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Message boards : Sophie Germain Prime Search : New SGS version has long startup time

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DarrylProject donor
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Found 1 prime in the 2019 Tour de Primes321 LLR Gold: Earned 500,000 credits (503,464)Cullen LLR Gold: Earned 500,000 credits (500,149)ESP LLR Gold: Earned 500,000 credits (515,497)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (527,019)PPS LLR Jade: Earned 10,000,000 credits (12,110,967)PSP LLR Amethyst: Earned 1,000,000 credits (1,006,254)SoB LLR Gold: Earned 500,000 credits (538,748)SR5 LLR Turquoise: Earned 5,000,000 credits (5,387,020)SGS LLR Sapphire: Earned 20,000,000 credits (20,006,208)TRP LLR Gold: Earned 500,000 credits (506,533)Woodall LLR Gold: Earned 500,000 credits (536,003)321 Sieve Jade: Earned 10,000,000 credits (10,011,269)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (52,021,564)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,134,887)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,260,654)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,761,921)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,020,224)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,055,458)GFN Sapphire: Earned 20,000,000 credits (20,090,858)
Message 52309 - Posted: 31 Mar 2012 | 15:00:18 UTC

Hi all,

I noticed over the last couple of days that the new SGS version that was released is usually 5-10% faster than the previous version - however the amount of time consumed once the WU begins crunching, before the status updates from 0.000% to 1.050% at the beginning, is substantial and varies a lot.

The WU's on one of my desktops take around 10 mins, but with an extra 10-40 seconds or so seemingly wasted at the beginning of each one. Since this is a reasonable fraction of the entire calculation time i'm just curious if only i see this issue or if infact there is any good reason for this?

Thanks
Darryl
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321 LLR Ruby: Earned 2,000,000 credits (3,002,360)Cullen LLR Ruby: Earned 2,000,000 credits (3,040,127)PPS LLR Ruby: Earned 2,000,000 credits (4,146,102)PSP LLR Turquoise: Earned 5,000,000 credits (5,432,836)SoB LLR Turquoise: Earned 5,000,000 credits (5,623,361)SR5 LLR Gold: Earned 500,000 credits (640,957)SGS LLR Ruby: Earned 2,000,000 credits (4,053,556)TRP LLR Ruby: Earned 2,000,000 credits (3,826,598)Woodall LLR Ruby: Earned 2,000,000 credits (3,123,627)321 Sieve Silver: Earned 100,000 credits (237,768)Cullen/Woodall Sieve (suspended) Double Silver: Earned 200,000,000 credits (265,102,350)PPS Sieve Double Silver: Earned 200,000,000 credits (292,642,933)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,801,812)GFN Emerald: Earned 50,000,000 credits (82,759,285)
Message 52317 - Posted: 31 Mar 2012 | 19:38:13 UTC - in response to Message 52309.

and there I thought I was imagining things. Yes, I've seen this too.

Profile Michael GoetzProject donor
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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,822,730)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Turquoise: Earned 5,000,000 credits (5,009,577)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Turquoise: Earned 5,000,000 credits (8,948,263)PSP LLR Turquoise: Earned 5,000,000 credits (5,065,592)SoB LLR Sapphire: Earned 20,000,000 credits (34,221,148)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,014,138)TRP LLR Ruby: Earned 2,000,000 credits (2,737,347)Woodall LLR Ruby: Earned 2,000,000 credits (2,195,123)321 Sieve Turquoise: Earned 5,000,000 credits (5,446,806)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Jade: Earned 10,000,000 credits (10,114,260)GFN Emerald: Earned 50,000,000 credits (66,792,341)PSA Jade: Earned 10,000,000 credits (12,404,447)
Message 52322 - Posted: 31 Mar 2012 | 21:57:32 UTC

I have done a little investigation into this problem -- and I've found nothing out of the ordinary.

I tried running the current 3.8.8 LLR 64 bit executable, both standalone and via BOINC.

The BOINC status update in the GUI is driven by the LLR command line client outputing status messages, which are read by the wrapper and passed to the BOINC manager, which draws the progress in the display window.

So, the display updates whenever LLR prints those progress messages.

What I found was that, on my hardware, when running standalone, those messages were coming about 10 to 12 seconds apart. The first one appeared about 10 seconds after LLR started.

Running under BOINC, I found that the first status update occurred about 10-12 seconds after the WU started runnings, and continued at intervals of about 10-12 seconds. That's exactly what should be happening; it matches the output of LLR in standalone mode.

As far as I can determine, it's working the way it's supposed to.

What I would recommend doing is this:

Wait until a new SGS starts, and time how long it takes from the time the status changes to "Running" and the progress increments from 0.000 to 1.005 (or whatever). Then, also time the amount of time it takes to get to the second update at around 2%. If the two times are roughly the same, then it's working as intended. If it took substantially longer for the first update than the second, then something's wrong.

Since it's not happening on my computer (at least not when running just 1 core, which is how I tested it), perhaps it would help if you provided lots of details about the environment in which you have seen this problem occur. Since nobody seems to know what's causing it right now, including as much detail as possible might help fnd the clue that solves this.

My CPU is a Core2Quad, so no AVX, but it is 64 bits.
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DarrylProject donor
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Found 1 prime in the 2019 Tour de Primes321 LLR Gold: Earned 500,000 credits (503,464)Cullen LLR Gold: Earned 500,000 credits (500,149)ESP LLR Gold: Earned 500,000 credits (515,497)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (527,019)PPS LLR Jade: Earned 10,000,000 credits (12,110,967)PSP LLR Amethyst: Earned 1,000,000 credits (1,006,254)SoB LLR Gold: Earned 500,000 credits (538,748)SR5 LLR Turquoise: Earned 5,000,000 credits (5,387,020)SGS LLR Sapphire: Earned 20,000,000 credits (20,006,208)TRP LLR Gold: Earned 500,000 credits (506,533)Woodall LLR Gold: Earned 500,000 credits (536,003)321 Sieve Jade: Earned 10,000,000 credits (10,011,269)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (52,021,564)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,134,887)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,260,654)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,761,921)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,020,224)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,055,458)GFN Sapphire: Earned 20,000,000 credits (20,090,858)
Message 52323 - Posted: 31 Mar 2012 | 22:14:17 UTC - in response to Message 52322.

Hi michael,

Thanks for the info. I thought someone might say this so i did indeed time it. From 0.000% to 1.050% takes anywhere from 20-50 seconds. From then on, i.e. 1.050 to 2.100% takes around 6 secs, and every status update thereafter also comes in 6 or 7 secs later. But the initial 15+ secs of the workunit are reported as "running" but at 0.000%. Something is wrong here, i just assume there is some code that requires a 15-30 second initialisation before the calculation can begin...

Regards,
Darryl
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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,822,730)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Turquoise: Earned 5,000,000 credits (5,009,577)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Turquoise: Earned 5,000,000 credits (8,948,263)PSP LLR Turquoise: Earned 5,000,000 credits (5,065,592)SoB LLR Sapphire: Earned 20,000,000 credits (34,221,148)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,014,138)TRP LLR Ruby: Earned 2,000,000 credits (2,737,347)Woodall LLR Ruby: Earned 2,000,000 credits (2,195,123)321 Sieve Turquoise: Earned 5,000,000 credits (5,446,806)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Jade: Earned 10,000,000 credits (10,114,260)GFN Emerald: Earned 50,000,000 credits (66,792,341)PSA Jade: Earned 10,000,000 credits (12,404,447)
Message 52325 - Posted: 31 Mar 2012 | 22:41:51 UTC - in response to Message 52323.

Hi michael,

Thanks for the info. I thought someone might say this so i did indeed time it. From 0.000% to 1.050% takes anywhere from 20-50 seconds. From then on, i.e. 1.050 to 2.100% takes around 6 secs, and every status update thereafter also comes in 6 or 7 secs later. But the initial 15+ secs of the workunit are reported as "running" but at 0.000%. Something is wrong here, i just assume there is some code that requires a 15-30 second initialisation before the calculation can begin...

Regards,
Darryl


Awesome, it's reproducible on your computer and all your computers are running 64 bit Windows 7. That makes it simple:

Download the latest version of cllr.exe to a folder on your computer, rename it to something manageable like "cllr.exe", then run it with this command:

cllr.exe -d -q"441506687765*2^666669-1"

(or use one of the SGS numbers from your WUs.)

Copy and past the output here.

This is what you SHOULD see:

C:\PRPNet\prpclient-5.0.4-windows-gpu\prpclient-1-gpu>cllr388 -q"4415066877765*2
^666669-1" -d
Starting Lucas Lehmer Riesel prime test of 4415066877765*2^666669-1
Using zero-padded Core2 type-1 FFT length 72K, Pass1=96, Pass2=768
V1 = 5 ; Computing U0...done.
4415066877765*2^666669-1, iteration : 10000 / 666669 [1.49%]. Time per iteratio
4415066877765*2^666669-1, iteration : 20000 / 666669 [2.99%]. Time per iteratio
4415066877765*2^666669-1, iteration : 30000 / 666669 [4.49%]. Time per iteratio
4415066877765*2^666669-1, iteration : 40000 / 666669 [5.99%]. Time per iteratio
n : 1.344 ms.
Caught signal. Terminating.


(Note that the progress messages are on multiple lines because the 80 column window is too short, but that's useful in this circumstance.)
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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 52326 - Posted: 31 Mar 2012 | 22:45:48 UTC - in response to Message 52323.
Last modified: 31 Mar 2012 | 22:47:04 UTC

Great, so I am not crazy :)
This is same symptom I sow on my machine...


From 0.000% to 1.050% takes anywhere from 20-50 seconds. From then on, i.e. 1.050 to 2.100% takes around 6 secs, and every status update thereafter also comes in 6 or 7 secs later.



Michael this is not shown when you use only one core: on my 3.7 GHz one core finished WU in 9minutes and few seconds
But when you enable four cores crunch time increase to 10:30???
Yesterday I try few combinations in app.info with old llr.exe and old wrapers but didnot resolve problem. On the other hand: on Linux with one core or all cores: crunch time is same 9:05.

So mystery is even bigger... In first I suspect my windows installation, but since another have same problem it could not be windows. On the another hand i did try "old" llr and wrappers and problem is same....
I can even put small movie on youtube to see how it looks like, but something is strange.
I accept your explanation that is ok , but why crunch time rise on windows but not on Linux?
____________
314187728^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
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321 LLR Amethyst: Earned 1,000,000 credits (1,061,666)Cullen LLR Amethyst: Earned 1,000,000 credits (1,029,850)PPS LLR Ruby: Earned 2,000,000 credits (2,647,860)PSP LLR Ruby: Earned 2,000,000 credits (2,877,696)SoB LLR Amethyst: Earned 1,000,000 credits (1,376,336)SR5 LLR Silver: Earned 100,000 credits (131,116)SGS LLR Ruby: Earned 2,000,000 credits (2,025,343)TRP LLR Amethyst: Earned 1,000,000 credits (1,112,533)Woodall LLR Amethyst: Earned 1,000,000 credits (1,118,119)321 Sieve Amethyst: Earned 1,000,000 credits (1,014,806)Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,022,047)PPS Sieve Turquoise: Earned 5,000,000 credits (6,478,805)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (242,867)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,050,478)AP 26/27 Gold: Earned 500,000 credits (679,594)GFN Ruby: Earned 2,000,000 credits (2,278,022)PSA Jade: Earned 10,000,000 credits (12,061,816)
Message 52330 - Posted: 1 Apr 2012 | 1:51:23 UTC - in response to Message 52326.

Please remember that Windows 7 in particular is very very bad scheduling at long cpu intensive tasks. So, to me at least, the really the only valid tests under Windows 7 is when all available cores are crunching and no GPU WUs. Note that hyperthreading must be disabled in the bios not restricting boinc to 50% of cores. I found the core temp program useful as it showed the processor frequency changing when no all available cores are working (none of the other similar tools showed this).

Really you should do as Michael suggests. But I would go further and say run half of your processors on SGS with boinc and run the after half on PRPNet 's SGS (server=SGS:100:1:prpnet.primegrid.com:12000). After the initial setup these should be provide similar run times. Otherwise there is a bigger issue related to boinc.

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Discovered 1 mega primeEliminated 3 conjecture "k"s321 LLR Gold: Earned 500,000 credits (996,607)Cullen LLR Gold: Earned 500,000 credits (509,295)ESP LLR Ruby: Earned 2,000,000 credits (3,591,765)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (504,064)PPS LLR Turquoise: Earned 5,000,000 credits (7,832,434)PSP LLR Gold: Earned 500,000 credits (504,659)SoB LLR Gold: Earned 500,000 credits (797,536)SR5 LLR Turquoise: Earned 5,000,000 credits (5,217,730)SGS LLR Ruby: Earned 2,000,000 credits (2,535,068)TRP LLR Gold: Earned 500,000 credits (709,235)Woodall LLR Gold: Earned 500,000 credits (516,210)321 Sieve Gold: Earned 500,000 credits (999,602)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,000,539)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,041,543)PPS Sieve Emerald: Earned 50,000,000 credits (78,298,163)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (318,603)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,111,748)AP 26/27 Turquoise: Earned 5,000,000 credits (8,627,762)GFN Turquoise: Earned 5,000,000 credits (7,394,865)PSA Sapphire: Earned 20,000,000 credits (38,610,885)
Message 52333 - Posted: 1 Apr 2012 | 5:50:48 UTC - in response to Message 52330.

What i also see is that in this "initialization time" the task takes more than 25% CPU time (on a 4-core CPU). Sometimes 50% or even 75% of the total CPU power...
____________
ESP: Eliminated k=94373
SR5: Eliminated k=97366 and k=325918

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Found 1 prime in the 2019 Tour de Primes321 LLR Gold: Earned 500,000 credits (503,464)Cullen LLR Gold: Earned 500,000 credits (500,149)ESP LLR Gold: Earned 500,000 credits (515,497)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (527,019)PPS LLR Jade: Earned 10,000,000 credits (12,110,967)PSP LLR Amethyst: Earned 1,000,000 credits (1,006,254)SoB LLR Gold: Earned 500,000 credits (538,748)SR5 LLR Turquoise: Earned 5,000,000 credits (5,387,020)SGS LLR Sapphire: Earned 20,000,000 credits (20,006,208)TRP LLR Gold: Earned 500,000 credits (506,533)Woodall LLR Gold: Earned 500,000 credits (536,003)321 Sieve Jade: Earned 10,000,000 credits (10,011,269)Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (52,021,564)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,134,887)PPS Sieve Double Bronze: Earned 100,000,000 credits (100,260,654)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,761,921)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,020,224)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,055,458)GFN Sapphire: Earned 20,000,000 credits (20,090,858)
Message 52336 - Posted: 1 Apr 2012 | 7:45:01 UTC


C:\Users\Darryl2\Downloads>cllr.exe -d -q"8829660260085*2^666668-1"
Starting Lucas Lehmer Riesel prime test of 8829660260085*2^666668-1
Using zero-padded AMD K10 type-1 FFT length 72K, Pass1=96, Pass2=768
V1 = 9 ; Computing U0...done.
8829660260085*2^666668-1, iteration : 10000 / 666668 [1.49%]. Time per iteratio
8829660260085*2^666668-1, iteration : 20000 / 666668 [2.99%]. Time per iteratio
8829660260085*2^666668-1, iteration : 30000 / 666668 [4.49%]. Time per iteratio
8829660260085*2^666668-1, iteration : 40000 / 666668 [5.99%]. Time per iteratio
8829660260085*2^666668-1, iteration : 50000 / 666668 [7.49%]. Time per iteratio
8829660260085*2^666668-1, iteration : 60000 / 666668 [8.99%]. Time per iteratio
8829660260085*2^666668-1, iteration : 70000 / 666668 [10.49%]. Time per iterati
8829660260085*2^666668-1, iteration : 80000 / 666668 [11.99%]. Time per iterati
8829660260085*2^666668-1, iteration : 90000 / 666668 [13.49%]. Time per iterati
8829660260085*2^666668-1, iteration : 100000 / 666668 [14.99%]. Time per iterat
ion : 0.939 ms.
Caught signal. Terminating.


This is what I see at the command line. The time per iteration jumps up and down a bit but I don't see anything here that really explains this behaviour. (All BOINC computations were suspended when I ran this)
____________

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321 LLR Silver: Earned 100,000 credits (101,692)Cullen LLR Silver: Earned 100,000 credits (104,876)ESP LLR Silver: Earned 100,000 credits (101,979)PPS LLR Silver: Earned 100,000 credits (148,018)PSP LLR Silver: Earned 100,000 credits (140,441)SoB LLR Silver: Earned 100,000 credits (119,475)SR5 LLR Silver: Earned 100,000 credits (120,939)SGS LLR Silver: Earned 100,000 credits (122,783)TRP LLR Silver: Earned 100,000 credits (100,115)Woodall LLR Silver: Earned 100,000 credits (107,459)321 Sieve Silver: Earned 100,000 credits (202,757)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (6,908,135)PPS Sieve Sapphire: Earned 20,000,000 credits (25,450,104)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (130,966)TRP Sieve (suspended) Silver: Earned 100,000 credits (201,525)AP 26/27 Silver: Earned 100,000 credits (100,015)GFN Silver: Earned 100,000 credits (246,369)PSA Silver: Earned 100,000 credits (226,594)
Message 52341 - Posted: 1 Apr 2012 | 9:46:06 UTC

Do you see the same problem if you manually set the llr-app onto a specified core via taskmanager or process explorer?

Andreas Stiller from http://ctmagazin.de developed a win-tool called "Launch".
The syntax is "Launch <app> /p="" /a=1 /c=N"
/p="xxxx yyyy zzz" Parameter for the Application, "" for " in String
/a=xxx Processoraffinity for file, xxx= 0 without (is default)
1: Processor 0, 2:Processor 1, 3:Processor 0+1, 4: Processor 2 ...
/c=xxx priorityclass xxx=N[ormal] is default, I[dle], B(elow), H[igh], A[bove], R(ealtime)

launch cllr.exe /p="-d -q""8829660260085*2^666668-1""" /a=1 /c=N"
This means, cllr.exe is executed only on core 1 with normal priority.
Pressing "enter" after each iteration you will get "Time per iteration" in a new line.
____________
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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,822,730)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Turquoise: Earned 5,000,000 credits (5,009,577)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Turquoise: Earned 5,000,000 credits (8,948,263)PSP LLR Turquoise: Earned 5,000,000 credits (5,065,592)SoB LLR Sapphire: Earned 20,000,000 credits (34,221,148)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,014,138)TRP LLR Ruby: Earned 2,000,000 credits (2,737,347)Woodall LLR Ruby: Earned 2,000,000 credits (2,195,123)321 Sieve Turquoise: Earned 5,000,000 credits (5,446,806)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Jade: Earned 10,000,000 credits (10,114,260)GFN Emerald: Earned 50,000,000 credits (66,792,341)PSA Jade: Earned 10,000,000 credits (12,404,447)
Message 52354 - Posted: 1 Apr 2012 | 13:21:20 UTC - in response to Message 52333.

What i also see is that in this "initialization time" the task takes more than 25% CPU time (on a 4-core CPU). Sometimes 50% or even 75% of the total CPU power...


That's odd.

I'm rapidly running out of ideas that don't involve asking Jean or George.

Here's a question: is anyone experiencing this problem on a CPU that is NOT AVX? If this is only happening on AVX CPUs, that would narrow the problem down.
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Message 52360 - Posted: 1 Apr 2012 | 14:02:17 UTC - in response to Message 52354.

The pc I noticed it on was with avx. I presumed it was a HT quirk as it was only the 7th or 8th wu to start that displayed this 'problem'. It never bothered me enough to check whether it occurred with subsequent wu's.

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Discovered 1 mega primeEliminated 3 conjecture "k"s321 LLR Gold: Earned 500,000 credits (996,607)Cullen LLR Gold: Earned 500,000 credits (509,295)ESP LLR Ruby: Earned 2,000,000 credits (3,591,765)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (504,064)PPS LLR Turquoise: Earned 5,000,000 credits (7,832,434)PSP LLR Gold: Earned 500,000 credits (504,659)SoB LLR Gold: Earned 500,000 credits (797,536)SR5 LLR Turquoise: Earned 5,000,000 credits (5,217,730)SGS LLR Ruby: Earned 2,000,000 credits (2,535,068)TRP LLR Gold: Earned 500,000 credits (709,235)Woodall LLR Gold: Earned 500,000 credits (516,210)321 Sieve Gold: Earned 500,000 credits (999,602)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,000,539)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,041,543)PPS Sieve Emerald: Earned 50,000,000 credits (78,298,163)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (318,603)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,111,748)AP 26/27 Turquoise: Earned 5,000,000 credits (8,627,762)GFN Turquoise: Earned 5,000,000 credits (7,394,865)PSA Sapphire: Earned 20,000,000 credits (38,610,885)
Message 52366 - Posted: 1 Apr 2012 | 14:49:39 UTC - in response to Message 52354.

What i also see is that in this "initialization time" the task takes more than 25% CPU time (on a 4-core CPU). Sometimes 50% or even 75% of the total CPU power...


That's odd.

I'm rapidly running out of ideas that don't involve asking Jean or George.

Here's a question: is anyone experiencing this problem on a CPU that is NOT AVX? If this is only happening on AVX CPUs, that would narrow the problem down.


I remember seeing this problem already a long time ago when the first AVX release came out. I've never seen it on my non-AVX processor. But now with the new official release 1.00 i can see it also on my non-AVX processor...
____________
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SR5: Eliminated k=97366 and k=325918

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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52371 - Posted: 1 Apr 2012 | 15:48:13 UTC - in response to Message 52354.
Last modified: 1 Apr 2012 | 15:48:44 UTC

What i also see is that in this "initialization time" the task takes more than 25% CPU time (on a 4-core CPU). Sometimes 50% or even 75% of the total CPU power...


That's odd.

I'm rapidly running out of ideas that don't involve asking Jean or George.

Here's a question: is anyone experiencing this problem on a CPU that is NOT AVX? If this is only happening on AVX CPUs, that would narrow the problem down.

Yes, on CPU that is AVX in enviroment that is not AVX aware (VMWare 4.x).
Described 3 days ago in [url=http://www.primegrid.com/forum_thread.php?id=4206&nowrap=true#52235
]LLR 3.8.8 Test in Boinc thread[/url]
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Message 52382 - Posted: 1 Apr 2012 | 17:51:08 UTC

I can see the "effect" on my AMD X6 1100T and also AMD X4 630.

However I'm running some SGS units on an Intel Xeon 5506, and although i can see the same effect there it is very small. WU times there are around 1150 secs and the difference between the 0 --> 1% jump is only about 2 secs longer than the 1--2% jump, 2--3% jump, etc. For comparison the AMD processors take around 2-3 times as long to get from 0 to 1 % as they do for any subsequent % jump.

A sample size of only 3 isn't really enough to draw conclusions but the AMD's seem to have the biggest problem, at least for me.
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Message 52387 - Posted: 1 Apr 2012 | 18:41:05 UTC - in response to Message 52371.
Last modified: 1 Apr 2012 | 19:25:51 UTC

Honza wrote:
What i also see is that in this "initialization time" the task takes more than 25% CPU time (on a 4-core CPU). Sometimes 50% or even 75% of the total CPU power...


That's odd.

I'm rapidly running out of ideas that don't involve asking Jean or George.

Here's a question: is anyone experiencing this problem on a CPU that is NOT AVX? If this is only happening on AVX CPUs, that would narrow the problem down.

Yes, on CPU that is AVX in enviroment that is not AVX aware (VMWare 4.x).
Described 3 days ago in LLR 3.8.8 Test in Boinc thread

Perhaps i can explain some things and hopefully somebody is able to see the root cause.
It should depend of the used OS, what you see. With older OS (all pre-Vista) an app can and will switch between all available cpu-cores to increase the overall system performance.
This behaviour has a little bit changed since Vista because this would be suboptimal for Intel's Turbo 1.0 and 2.0 feature. If all cores are on load, Turbo1.0 can not switch to a higher speed bin and Turbo 2.0 only one speed bin higher. How many speed bins a CPU can climb up is depended of the status of all other available cores and the TDP via the CPU-temperature. If they have reached a deep or deeper sleep state, the running core(s) are able to reach higher clockrate until they reach their programmed maximum.

W7 changed nothing on this. A single-thread process or app runs hopefully only on one core to reach a higher speed bin on this core but this is depended of the state of all other available cores and the programmed TDP. If the max TDP is reached, a CPU in Turbo-mode will ever lower their clockrate until the CPU has lowered their temperature.
But from time to time the OS can wake up a sleeping core to let them do some things. If this happens, a single-thread process/app can switch to another core with a lower clockrate.

For AMDs BD is this Intel optimization complete contra-productiv. The BD has a much lower single core performance than every up to date Intel processor and is also slower than their K10 predecessor. BD is only fast, when he can do multi-threaded processes/apps but he has some architecture limitations. SSE is 128bit width and can run on every part of a modul, AVX is 256bit width and need the help of both modul parts. Therefore it makes no difference in computation times on AMDs BD, if you use AVX or SSE.

Another point is the affinity of a process/app. Crunch3r released in the past a BOINC client with buildin affinity support. The version 6.1.0.32 for Win32 and 6.1.0.64 for Win64 (Linux did not need this work around because it is smart enough to let a single threaded app run only one core and hold it only on the same core the app was startet). This should help to let a single threaded app running only on one core and not switch over all available cores. The affinity features inside the client was a work around to mask an Intel design decision. Their Core2Quad was not a nativ quadcore like AMDs Phenom, Intel put together two separate silicon dies (each equivalent to a single Core 2 Duo) on one MCM. Both die's are connected/must communicate only over the slow FSB. Therefore Intels quads could not reach the higher scalability of AMDs quads. A process runs on core1 and is moved by the OS to core2. This will cause no penalties because both cores are homed on the same die but if the OS decides to move an app to core3 or core4, you will get a penalty. In this case the cpu-state with all registers must be transferred over the slow FSB before the app can continues on the core3/4. Intel changed this with Nehalem, their first native quadcore.
The BOINC developer did not want to have this affinity thing inside their source because it made no difference on AMDs native quads (Phenom and newer) and they got also no measurements that showed the relationship or usefulness.


VMware. Like said in another thread, VMware uses full virtualization and only the CPU itself will be directly available in a virtual machine. It is up to the installed OS inside a VM to use the available features inside the host CPU or not. For AVX you need at least W7SP1 or their binar compilat W2k8-R2 or Linux with kernel 2.6.30 and newer. If you see no AVX inside a VMware vSphere4/5-VM, you should check the EVC setting or some settings inside the physical BIOS. EVC is sometimes needed, if you want to use vMotion with different CPU-versions. VMware updated their KB-entry Enhanced vMotion Compatibility (EVC) processor support on march, 7th.


[add]
Here are two computation times. The first run of "cllr.exe" switched the complete runtime over all cores of my Core2Quad (viewed with SysInternals "process explorer") and the second with affinity to core 2:
D:\>cllr.exe -d -q"8829660260085*2^666668-1"
Starting Lucas Lehmer Riesel prime test of 8829660260085*2^666668-1
Using zero-padded Core2 type-1 FFT length 72K, Pass1=96, Pass2=768
V1 = 9 ; Computing U0...done.
8829660260085*2^666668-1 is not prime. LLR Res64: 1DF5917BCC5ED911 Time : 808.023 sec.

D:\>launch cllr.exe /p="-d -q""8829660260085*2^666668-1""" /a=2 /c=N
"D:\\cllr.exe" -d -q"8829660260085*2^666668-1" in VZ:D:\
run Instanz 0 Handle= 704 ID= 9A8 Th= 700 ThID= CCC

D:\>Starting Lucas Lehmer Riesel prime test of 8829660260085*2^666668-1
Using zero-padded Core2 type-1 FFT length 72K, Pass1=96, Pass2=768
V1 = 9 ; Computing U0...done.
8829660260085*2^666668-1, iteration : 10000 / 666668 [1.49%]. Time per iteration : 1.184 ms.
D:\>8829660260085*2^666668-1, iteration : 20000 / 666668 [2.99%]. Time per iteration : 1.145 ms.
D:\>8829660260085*2^666668-1, iteration : 30000 / 666668 [4.49%]. Time per iteration : 1.141 ms.
D:\>8829660260085*2^666668-1, iteration : 40000 / 666668 [5.99%]. Time per iteration : 1.144 ms.
D:\>8829660260085*2^666668-1, iteration : 50000 / 666668 [7.49%]. Time per iteration : 1.140 ms.
D:\>8829660260085*2^666668-1, iteration : 60000 / 666668 [8.99%]. Time per iteration : 1.259 ms.
8829660260085*2^666668-1, iteration : 80000 / 666668 [11.99%]. Time per iteration : 1.257 ms. ms.
D:\>8829660260085*2^666668-1, iteration : 90000 / 666668 [13.49%]. Time per iteration : 1.149 ms.
D:\>8829660260085*2^666668-1, iteration : 100000 / 666668 [14.99%]. Time per iteration : 1.253 ms.
8829660260085*2^666668-1 is not prime. LLR Res64: 1DF5917BCC5ED911 Time : 792.911 sec.

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 52399 - Posted: 1 Apr 2012 | 20:13:35 UTC - in response to Message 52387.

Both my CPU are non AVX, but as I said before: on Linux there is not such problem ( since I use app.info)
But with Windows stock SGS applications, and with app.info I get similar results, and that is what confusing me...
Since there is new wrapper and new application for Windows, ok, lets say it is "not good".
But problem is also with app.info so you can use any combination of wrapper and cllr.
Since on last contest I run successfully PPS with app info and difference from windows and linux host was in few seconds on same speed, I will try to run it again. With app.info I used on that contest to see is there some problem with windows ( maybe driver update or something like that)
I doubt it is connected with series of number we are crunching in last few days...

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 52420 - Posted: 2 Apr 2012 | 0:32:05 UTC - in response to Message 52399.
Last modified: 2 Apr 2012 | 0:45:16 UTC

New info
stock app 388 and wraper 1.0 ( both x 64)
AMD 960T ( OC 3.8 GHz)
Win 7 SP1 x64 ( 4 GB RAM)

In Boinc first set of 4 WU start in same time
finished 538-558 second
second set 4 WU
finished 547-563
third set 4 WU
finished 551-583
in fourth set I have already one WU that is processed in 600 second :(
in fifth set I have already one WU that is processed in 630 second :(
Now I am afraid to see crunch time tomorrow morning...
So in every new step WU processing became slower and slower
But if you use only one core then WU is finished in 538 sec
____________
314187728^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52440 - Posted: 2 Apr 2012 | 9:07:06 UTC - in response to Message 52387.

Perhaps i can explain some things and hopefully somebody is able to see the root cause.
It should depend of the used OS, what you see. With older OS (all pre-Vista) an app

Thanks for detailed description.

Running VMWare ESXi 4.1 (no vSphere) and Windows 2008R2SP1. CPU-Z does not see AVX nor VT-x; VT is enabled in BIOS.

Which version of CLLR can I downgrade to?
I would like to test with older version if there would be no such a huge deviation of run times (and that average run time would be much better).

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321 LLR Silver: Earned 100,000 credits (101,692)Cullen LLR Silver: Earned 100,000 credits (104,876)ESP LLR Silver: Earned 100,000 credits (101,979)PPS LLR Silver: Earned 100,000 credits (148,018)PSP LLR Silver: Earned 100,000 credits (140,441)SoB LLR Silver: Earned 100,000 credits (119,475)SR5 LLR Silver: Earned 100,000 credits (120,939)SGS LLR Silver: Earned 100,000 credits (122,783)TRP LLR Silver: Earned 100,000 credits (100,115)Woodall LLR Silver: Earned 100,000 credits (107,459)321 Sieve Silver: Earned 100,000 credits (202,757)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (6,908,135)PPS Sieve Sapphire: Earned 20,000,000 credits (25,450,104)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (130,966)TRP Sieve (suspended) Silver: Earned 100,000 credits (201,525)AP 26/27 Silver: Earned 100,000 credits (100,015)GFN Silver: Earned 100,000 credits (246,369)PSA Silver: Earned 100,000 credits (226,594)
Message 52442 - Posted: 2 Apr 2012 | 9:10:19 UTC - in response to Message 52420.

Measurements inside BOINC are tricky and depended of the WU size. You can not compare two BOINC units with different size.
I suggest to wait until the challenge is over and do all test manually via CMD or ba$h.

Have you tried to pin WU manually on only one core via taskmanager or process explorer?
IIRC, AMDs Phenom X6 has also a Turbo-feature but works different to Intels implementation. If only half the cores of a CPU have work, the working cores are able to switch to a higher clockrate in one step. Depended of the CPU this step should be 400 or 500MHz. On the other side are only some processes able to saturate a core completely and the OS ever takes what it needs.
____________
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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52443 - Posted: 2 Apr 2012 | 9:25:13 UTC

Yes, I have been using Task manager to see core usage and CPU time.
(I do not consider CPU time in BOINC: Task properties reliable).

So when I reported that task is using more than one core (ie. 75% which is 3/4 cores), it was accroding to Windows Task Manager. CPU Affinity wasn't changed, apps are free to use whatever cores OS decides.
____________
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Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

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321 LLR Silver: Earned 100,000 credits (101,692)Cullen LLR Silver: Earned 100,000 credits (104,876)ESP LLR Silver: Earned 100,000 credits (101,979)PPS LLR Silver: Earned 100,000 credits (148,018)PSP LLR Silver: Earned 100,000 credits (140,441)SoB LLR Silver: Earned 100,000 credits (119,475)SR5 LLR Silver: Earned 100,000 credits (120,939)SGS LLR Silver: Earned 100,000 credits (122,783)TRP LLR Silver: Earned 100,000 credits (100,115)Woodall LLR Silver: Earned 100,000 credits (107,459)321 Sieve Silver: Earned 100,000 credits (202,757)Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (6,908,135)PPS Sieve Sapphire: Earned 20,000,000 credits (25,450,104)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Silver: Earned 100,000 credits (130,966)TRP Sieve (suspended) Silver: Earned 100,000 credits (201,525)AP 26/27 Silver: Earned 100,000 credits (100,015)GFN Silver: Earned 100,000 credits (246,369)PSA Silver: Earned 100,000 credits (226,594)
Message 52445 - Posted: 2 Apr 2012 | 10:01:28 UTC - in response to Message 52440.

Thanks for detailed description.

Running VMWare ESXi 4.1 (no vSphere) and Windows 2008R2SP1. CPU-Z does not see AVX nor VT-x; VT is enabled in BIOS.

Which version of CLLR can I downgrade to?
I would like to test with older version if there would be no such a huge deviation of run times (and that average run time would be much better).

vSphere4 is also used as synonym for ESX4 and ESXi4.
vSphere5 is a synonym for ESXi5, because there is no ESX5 anymore.
I believe you assoziate vSphere ever with vCenter. The vCenter is part of all VMware Kits. VMware compares all Kits at http://www.vmware.com/products/datacenter-virtualization/vsphere/small-business/compare-kits.html.

AVX should be no problem on a vSphere4 host. If you have a CPU with AVX and can not see it inside a VM, then you should check the settings for EVC on the host and the CPU mask inside every VM-config.
VT-x is normally only available on the host itself and needed for 64bit-VMs as a work around for some limitations in older Intel CPUs. If you need VT inside a VM then you should read JMattsons Running Nested VMs. Nested VMs are useful, if you want to have a virtualization product inside another VT-product. Examples are a vSphere-VM inside a Workstation-VM or HyperV inside VMware and so on. If you have trouble with VT-x, read JMattsons Trouble-shooting Intel VT-x Issues.

Older versions of LLR are available in all older PRPnet-versions or you download the wanted version directly from Jean Penne at officially releases and development versions.
____________
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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52454 - Posted: 2 Apr 2012 | 11:58:05 UTC

Let's put it another way: SGS on i5-2500, Run time ~28.000 - 35.000 secs.
http://www.primegrid.com/result.php?resultid=366000370
http://www.primegrid.com/result.php?resultid=365942073
http://www.primegrid.com/result.php?resultid=366000366
____________
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Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

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321 LLR Ruby: Earned 2,000,000 credits (3,002,360)Cullen LLR Ruby: Earned 2,000,000 credits (3,040,127)PPS LLR Ruby: Earned 2,000,000 credits (4,146,102)PSP LLR Turquoise: Earned 5,000,000 credits (5,432,836)SoB LLR Turquoise: Earned 5,000,000 credits (5,623,361)SR5 LLR Gold: Earned 500,000 credits (640,957)SGS LLR Ruby: Earned 2,000,000 credits (4,053,556)TRP LLR Ruby: Earned 2,000,000 credits (3,826,598)Woodall LLR Ruby: Earned 2,000,000 credits (3,123,627)321 Sieve Silver: Earned 100,000 credits (237,768)Cullen/Woodall Sieve (suspended) Double Silver: Earned 200,000,000 credits (265,102,350)PPS Sieve Double Silver: Earned 200,000,000 credits (292,642,933)TRP Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,801,812)GFN Emerald: Earned 50,000,000 credits (82,759,285)
Message 52457 - Posted: 2 Apr 2012 | 12:37:57 UTC - in response to Message 52454.
Last modified: 2 Apr 2012 | 12:40:49 UTC

those examples are a little extreme to say the least.

What I can see in my results is that CPU and Run time are near enough to the same pretty much all the time on the i7 950.
On the i7 970 and the 2600K there's a good proportion where there's 5-20s difference between the times.

** The 950 has a single video card and the other 2 boxes have 2 cards each. The 970 is only running 10cores out of 12. I can't remember off-hand if the 2600K is on 7 or 8.

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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52459 - Posted: 2 Apr 2012 | 13:20:50 UTC - in response to Message 52457.

those examples are a little extreme to say the least.

Yes, they are.
And that's the point...and mystery.

Situation right now - 4 task are "running according to BOINC", all with 0% progress.
According to task manager, one task taking ~20% CPU with 95 minutes, other one 0% with 34 secs, last one with 80%, 4th one is not present.
A minute later - 4th task got running at 99% CPU, all other at 0%, all of them at 0% progress.
____________
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Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52460 - Posted: 2 Apr 2012 | 13:46:55 UTC

Reverted back to 3.8.6 version. No benefit of AVX but no excessive run times, no long startup time, not more than single core usage per task etc.
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Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 52463 - Posted: 2 Apr 2012 | 14:05:43 UTC - in response to Message 52460.

Yes 3.8.6 solves problem but it is slower, much slower then 3.8.8 64 bit.
I can get one WU in 8:58 on 3.8 GHz with 3.8.8 but it would take 10 min on 3.8.6
And it looks like that 3.8.7 also have problem as 3.8.8 ( can anyone confirm this)
AMD 960 T ( doesnot have AVX) only on Windows.
Linux 3.8.8 x64 works perfect and it is faster then 3.8.8 32 bit.
____________
314187728^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
Proud member of team Aggie The Pew. Go Aggie!

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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52467 - Posted: 2 Apr 2012 | 14:30:44 UTC - in response to Message 52463.
Last modified: 2 Apr 2012 | 14:34:35 UTC

Yes 3.8.6 solves problem but it is slower, much slower then 3.8.8 64 bit.
I can get one WU in 8:58 on 3.8 GHz with 3.8.8 but it would take 10 min on 3.8.6

Slower? In my case it's ~490 non-AVX vs 350 secs AVX version.
Much slower? It's up to 35 000 secs with 3.8.8 vs. 490 secs with 3.8.6.

I would rather go slower but smooth, I can't baby sit all hosts.
(I might upgrade to VmWare 5.x in the future and see if it is any better)
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Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 52472 - Posted: 2 Apr 2012 | 15:08:42 UTC - in response to Message 52467.

Honza, I finally got one 3.8.7 x64 bit ( non AVX) that works like a charm.
Try this ( win version)
http://www.asgoodasitgoetz.com/distribution/cllr387dev-win-x64.7z

now I get crunch time from 8:58 - 9:06 ,first percent is after 8 seconds on all cores, and everything looks ok!
Good luck!

____________
314187728^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
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Credit: 2,643,105,862
RAC: 1,332,763
Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52476 - Posted: 2 Apr 2012 | 15:45:24 UTC

IIRC, there was/were some version(s) that had issues.
I'm not sure if 3.8.7 is not among them.
This is why I asked "Which version of CLLR can I downgrade to?"
____________
My stats
Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

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Joined: 25 Nov 09
Posts: 2799
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Credit: 52,738,925
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Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 52478 - Posted: 2 Apr 2012 | 15:49:06 UTC - in response to Message 52476.

There was two version of 3.8.7 one is with 26.5 and one is with 27.3
I now use one from 26.5 and it works ok...
____________
314187728^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
Proud member of team Aggie The Pew. Go Aggie!

Iain BethuneProject donor
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Joined: 28 Jan 09
Posts: 1588
ID: 34775
Credit: 194,056,043
RAC: 0
321 LLR Gold: Earned 500,000 credits (597,175)Cullen LLR Amethyst: Earned 1,000,000 credits (1,355,381)ESP LLR Turquoise: Earned 5,000,000 credits (5,048,594)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,564,412)PPS LLR Amethyst: Earned 1,000,000 credits (1,025,115)PSP LLR Sapphire: Earned 20,000,000 credits (28,367,849)SoB LLR Jade: Earned 10,000,000 credits (16,215,329)SR5 LLR Turquoise: Earned 5,000,000 credits (5,189,992)SGS LLR Amethyst: Earned 1,000,000 credits (1,244,067)TRP LLR Turquoise: Earned 5,000,000 credits (5,169,405)Woodall LLR Amethyst: Earned 1,000,000 credits (1,070,956)321 Sieve Bronze: Earned 10,000 credits (20,003)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (200,371)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (11,645,025)PPS Sieve Turquoise: Earned 5,000,000 credits (7,536,532)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,017,144)TRP Sieve (suspended) Gold: Earned 500,000 credits (554,946)AP 26/27 Ruby: Earned 2,000,000 credits (3,577,848)GFN Emerald: Earned 50,000,000 credits (97,047,976)PSA Ruby: Earned 2,000,000 credits (4,606,694)
Message 52494 - Posted: 2 Apr 2012 | 18:35:15 UTC

Hi, just to clarify re: LLR versions.

Please, please, please do not go back to LLR 3.8.7 (with gwnum 26.5) - this version contains a bug which may cause some results to be incorrect, and to have to go back and double-check these is very time-consuming for the project.

The only version of LLR which is safe to use is LLR 3.8.8 (with gwnum 27.5). Gwnum 27.4 and above contains the fix. Any other version is potentially buggy.

Unfortunately 3.8.8 has this performance issue that is being discussed on this thread, but I hope you will agree that it is more important that our results are correct than we get them more quickly.

Thanks

- Iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^1290000-1 is Prime!

HonzaProject donor
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Joined: 15 Aug 05
Posts: 1844
ID: 352
Credit: 2,643,105,862
RAC: 1,332,763
Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52496 - Posted: 2 Apr 2012 | 19:02:30 UTC

Yes, correct results are top priority, not speed nor credit.

Iain, is 3.8.6 OK to use?
Or should I revert to even older version on affected host? Which version?
____________
My stats
Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

Iain BethuneProject donor
Honorary cruncher
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Joined: 28 Jan 09
Posts: 1588
ID: 34775
Credit: 194,056,043
RAC: 0
321 LLR Gold: Earned 500,000 credits (597,175)Cullen LLR Amethyst: Earned 1,000,000 credits (1,355,381)ESP LLR Turquoise: Earned 5,000,000 credits (5,048,594)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,564,412)PPS LLR Amethyst: Earned 1,000,000 credits (1,025,115)PSP LLR Sapphire: Earned 20,000,000 credits (28,367,849)SoB LLR Jade: Earned 10,000,000 credits (16,215,329)SR5 LLR Turquoise: Earned 5,000,000 credits (5,189,992)SGS LLR Amethyst: Earned 1,000,000 credits (1,244,067)TRP LLR Turquoise: Earned 5,000,000 credits (5,169,405)Woodall LLR Amethyst: Earned 1,000,000 credits (1,070,956)321 Sieve Bronze: Earned 10,000 credits (20,003)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (200,371)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (11,645,025)PPS Sieve Turquoise: Earned 5,000,000 credits (7,536,532)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,017,144)TRP Sieve (suspended) Gold: Earned 500,000 credits (554,946)AP 26/27 Ruby: Earned 2,000,000 credits (3,577,848)GFN Emerald: Earned 50,000,000 credits (97,047,976)PSA Ruby: Earned 2,000,000 credits (4,606,694)
Message 52497 - Posted: 2 Apr 2012 | 19:33:50 UTC - in response to Message 52496.

Hi Honza,

Unfortunately the 'LLR bug' has been in all versions of gwnum right up until it was found and fixed in 27.4. So all previous LLR versions are suspect. From my point-of-view the right thing is to keep with LLR 3.8.8 for now, and try to debug the cause of the slow tasks ASAP.

Can you PM or email me the details of some WUs which are running really slow (and ideally some which are also running OK on the same host?). If you can recreate it outside of BOINC even better. Then I'll get Jean and George involved. Am I correct in saying this is only affecting AVX hosts with HT on? Sorry, I've only had time to skim-read this thread so far!

- Iain

____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^1290000-1 is Prime!

Profile Michael GoetzProject donor
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The "Shut up already!" badge:  This loud mouth has mansplained on the forums over 10 thousand times!  Sheesh!!!Discovered the World's First GFN-19 prime!!!Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Ruby: Earned 2,000,000 credits (2,822,730)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Turquoise: Earned 5,000,000 credits (5,009,577)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Turquoise: Earned 5,000,000 credits (8,948,263)PSP LLR Turquoise: Earned 5,000,000 credits (5,065,592)SoB LLR Sapphire: Earned 20,000,000 credits (34,221,148)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,014,138)TRP LLR Ruby: Earned 2,000,000 credits (2,737,347)Woodall LLR Ruby: Earned 2,000,000 credits (2,195,123)321 Sieve Turquoise: Earned 5,000,000 credits (5,446,806)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,059,304)PPS Sieve Sapphire: Earned 20,000,000 credits (20,110,788)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,035,522)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,051,121)AP 26/27 Jade: Earned 10,000,000 credits (10,114,260)GFN Emerald: Earned 50,000,000 credits (66,792,341)PSA Jade: Earned 10,000,000 credits (12,404,447)
Message 52499 - Posted: 2 Apr 2012 | 19:54:42 UTC - in response to Message 52472.

Honza, I finally got one 3.8.7 x64 bit ( non AVX) that works like a charm.
Try this ( win version)
http://www.asgoodasitgoetz.com/distribution/cllr387dev-win-x64.7z


And...

Please, please, please do not go back to LLR 3.8.7 (with gwnum 26.5) - this version contains a bug which may cause some results to be incorrect, and to have to go back and double-check these is very time-consuming for the project.

The only version of LLR which is safe to use is LLR 3.8.8 (with gwnum 27.5). Gwnum 27.4 and above contains the fix. Any other version is potentially buggy.

Unfortunately 3.8.8 has this performance issue that is being discussed on this thread, but I hope you will agree that it is more important that our results are correct than we get them more quickly.


Due to the buggy nature of the 3.8.7 build I have pulled that release from the website. Obviously, getting correct results is more important than getting potentially incorrect results faster.
____________
Please do not PM me with support questions. Ask on the forums instead. Thank you!

My lucky number is 75898524288+1

Iain BethuneProject donor
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Joined: 28 Jan 09
Posts: 1588
ID: 34775
Credit: 194,056,043
RAC: 0
321 LLR Gold: Earned 500,000 credits (597,175)Cullen LLR Amethyst: Earned 1,000,000 credits (1,355,381)ESP LLR Turquoise: Earned 5,000,000 credits (5,048,594)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,564,412)PPS LLR Amethyst: Earned 1,000,000 credits (1,025,115)PSP LLR Sapphire: Earned 20,000,000 credits (28,367,849)SoB LLR Jade: Earned 10,000,000 credits (16,215,329)SR5 LLR Turquoise: Earned 5,000,000 credits (5,189,992)SGS LLR Amethyst: Earned 1,000,000 credits (1,244,067)TRP LLR Turquoise: Earned 5,000,000 credits (5,169,405)Woodall LLR Amethyst: Earned 1,000,000 credits (1,070,956)321 Sieve Bronze: Earned 10,000 credits (20,003)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (200,371)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (11,645,025)PPS Sieve Turquoise: Earned 5,000,000 credits (7,536,532)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,017,144)TRP Sieve (suspended) Gold: Earned 500,000 credits (554,946)AP 26/27 Ruby: Earned 2,000,000 credits (3,577,848)GFN Emerald: Earned 50,000,000 credits (97,047,976)PSA Ruby: Earned 2,000,000 credits (4,606,694)
Message 52503 - Posted: 2 Apr 2012 | 21:08:45 UTC

To folks that have seen these inconsistent runtimes - can you try running the LLR 3.8.8 32 bit app? Does this still exhibit the same problem?

Cheers

- Iain
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^1290000-1 is Prime!

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Joined: 25 Nov 09
Posts: 2799
ID: 50683
Credit: 52,738,925
RAC: 8,023
Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 52509 - Posted: 2 Apr 2012 | 23:22:17 UTC - in response to Message 52503.

Not in same way , but yes ( and it is much slower then 64 bit build)
1% will come after 28-38 seconds from start of WU.
____________
314187728^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
Proud member of team Aggie The Pew. Go Aggie!

HonzaProject donor
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Joined: 15 Aug 05
Posts: 1844
ID: 352
Credit: 2,643,105,862
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Discovered 5 mega primesEliminated 3 conjecture "k"sFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2018 Tour de Primes Mountain Stage2019 Tour de Primes largest primeFound 4 primes in the 2019 Tour de PrimesFound 1 mega prime in the 2019 Tour de PrimesFound 1 prime in the 2019 Tour de Primes Mountain Stage321 LLR Emerald: Earned 50,000,000 credits (53,741,535)Cullen LLR Emerald: Earned 50,000,000 credits (50,296,190)ESP LLR Emerald: Earned 50,000,000 credits (50,853,190)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,309,119)PPS LLR Double Bronze: Earned 100,000,000 credits (100,184,938)PSP LLR Sapphire: Earned 20,000,000 credits (47,237,469)SoB LLR Emerald: Earned 50,000,000 credits (67,865,553)SR5 LLR Emerald: Earned 50,000,000 credits (50,320,316)SGS LLR Sapphire: Earned 20,000,000 credits (28,395,993)TPS LLR (retired) Bronze: Earned 10,000 credits (43,033)TRP LLR Emerald: Earned 50,000,000 credits (57,441,313)Woodall LLR Emerald: Earned 50,000,000 credits (50,956,094)321 Sieve Emerald: Earned 50,000,000 credits (50,611,470)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,142,109)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (50,504,945)PPS Sieve Double Gold: Earned 500,000,000 credits (504,377,255)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,288,222)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,149,354)AP 26/27 Double Silver: Earned 200,000,000 credits (214,118,887)GFN Double Gold: Earned 500,000,000 credits (636,139,076)PSA Double Gold: Earned 500,000,000 credits (535,123,356)
Message 52517 - Posted: 3 Apr 2012 | 9:12:51 UTC - in response to Message 52503.

To folks that have seen these inconsistent runtimes - can you try running the LLR 3.8.8 32 bit app? Does this still exhibit the same problem?

Nope, it behaves as bad as x64 version of LLR 3.8.8.

____________
My stats
Badge score: 1*1 + 5*1 + 7*1 + 8*8 + 9*7 + 11*1 + 12*3 = 187

Iain BethuneProject donor
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Joined: 28 Jan 09
Posts: 1588
ID: 34775
Credit: 194,056,043
RAC: 0
321 LLR Gold: Earned 500,000 credits (597,175)Cullen LLR Amethyst: Earned 1,000,000 credits (1,355,381)ESP LLR Turquoise: Earned 5,000,000 credits (5,048,594)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,564,412)PPS LLR Amethyst: Earned 1,000,000 credits (1,025,115)PSP LLR Sapphire: Earned 20,000,000 credits (28,367,849)SoB LLR Jade: Earned 10,000,000 credits (16,215,329)SR5 LLR Turquoise: Earned 5,000,000 credits (5,189,992)SGS LLR Amethyst: Earned 1,000,000 credits (1,244,067)TRP LLR Turquoise: Earned 5,000,000 credits (5,169,405)Woodall LLR Amethyst: Earned 1,000,000 credits (1,070,956)321 Sieve Bronze: Earned 10,000 credits (20,003)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (200,371)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (11,645,025)PPS Sieve Turquoise: Earned 5,000,000 credits (7,536,532)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,017,144)TRP Sieve (suspended) Gold: Earned 500,000 credits (554,946)AP 26/27 Ruby: Earned 2,000,000 credits (3,577,848)GFN Emerald: Earned 50,000,000 credits (97,047,976)PSA Ruby: Earned 2,000,000 credits (4,606,694)
Message 52523 - Posted: 3 Apr 2012 | 10:55:50 UTC - in response to Message 52517.

Thanks - will look into this further and keep you all posted...
____________
Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^1290000-1 is Prime!

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Joined: 25 Nov 09
Posts: 2799
ID: 50683
Credit: 52,738,925
RAC: 8,023
Eliminated 1 conjecture "k"Found 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de Primes321 LLR Silver: Earned 100,000 credits (229,492)Cullen LLR Silver: Earned 100,000 credits (110,733)PPS LLR Ruby: Earned 2,000,000 credits (3,073,989)PSP LLR Silver: Earned 100,000 credits (104,385)SoB LLR Silver: Earned 100,000 credits (106,117)SR5 LLR Silver: Earned 100,000 credits (139,802)SGS LLR Amethyst: Earned 1,000,000 credits (1,073,792)TRP LLR Silver: Earned 100,000 credits (122,712)Woodall LLR Silver: Earned 100,000 credits (122,944)321 Sieve Silver: Earned 100,000 credits (104,900)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,599)Generalized Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,363,809)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,579,917)GFN Sapphire: Earned 20,000,000 credits (23,312,456)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 53027 - Posted: 14 Apr 2012 | 22:07:10 UTC - in response to Message 52523.

Any news????
____________
314187728^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
Proud member of team Aggie The Pew. Go Aggie!

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