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Message boards : Prime Sierpinski Problem : Optimizing PSP processing with LLR2 ....

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Anthony Ayiomamitis
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Joined: 19 Mar 15
Posts: 2942
ID: 386066
Credit: 1,027,380,775
RAC: 261,650
Discovered 1 mega primeFound 2 primes in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 2 primes in the 2022 Tour de PrimesFound 1 mega prime in the 2022 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,048,709)Cullen LLR Turquoise: Earned 5,000,000 credits (5,026,008)ESP LLR Turquoise: Earned 5,000,000 credits (5,098,225)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (5,127,156)PPS LLR Sapphire: Earned 20,000,000 credits (20,015,895)PSP LLR Sapphire: Earned 20,000,000 credits (20,069,940)SoB LLR Sapphire: Earned 20,000,000 credits (20,045,552)SR5 LLR Turquoise: Earned 5,000,000 credits (9,540,476)SGS LLR Turquoise: Earned 5,000,000 credits (5,129,290)TRP LLR Turquoise: Earned 5,000,000 credits (5,050,008)Woodall LLR Turquoise: Earned 5,000,000 credits (5,062,520)321 Sieve (suspended) Double Bronze: Earned 100,000,000 credits (102,500,323)Generalized Cullen/Woodall Sieve (suspended) Double Bronze: Earned 100,000,000 credits (100,500,349)PPS Sieve Double Silver: Earned 200,000,000 credits (243,349,119)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (14,516,062)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,329,228)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,185,540)GFN Double Bronze: Earned 100,000,000 credits (124,030,331)WW Double Bronze: Earned 100,000,000 credits (100,228,000)PSA Double Bronze: Earned 100,000,000 credits (116,531,700)
Message 152249 - Posted: 14 Nov 2021 | 13:29:17 UTC
Last modified: 14 Nov 2021 | 13:32:49 UTC

A question for the group: how should I allocate the six physical cores of my i7 8700k CPU when processing PSP units? Do I go after 3x2 cores, 2x3 cores or perhaps 1x4 / 1x5 / 1x6 cores?

I am running a task right now with 5 cores allocated to it on my i7 8700k and it seems that it will take about 27 hrs to complete. Similarly, another system (i3 6300) will require about 32 hrs with only two cores to complete, thus suggesting that the five cores with the i7 8700k are an overkill and I am wasting potential resources.

With LLR2 it is not vital that we rush to return a task and, as a result, I can easily afford a slightly slower return if it will mean greater throughput per unit of time.

Thanks!

Profile NickProject donor
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Joined: 11 Jul 11
Posts: 1718
ID: 105020
Credit: 4,338,128,139
RAC: 10,463,363
Discovered 9 mega primesFound 5 primes in the 2020 Tour de PrimesFound 2 mega primes in the 2020 Tour de PrimesFound 4 primes in the 2021 Tour de PrimesFound 2 mega primes in the 2021 Tour de PrimesFound 3 primes in the 2022 Tour de Primes321 LLR Sapphire: Earned 20,000,000 credits (23,436,311)Cullen LLR Emerald: Earned 50,000,000 credits (50,743,293)ESP LLR Sapphire: Earned 20,000,000 credits (39,788,109)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,473,530)PPS LLR Emerald: Earned 50,000,000 credits (75,402,242)PSP LLR Emerald: Earned 50,000,000 credits (51,069,305)SoB LLR Emerald: Earned 50,000,000 credits (51,885,310)SR5 LLR Sapphire: Earned 20,000,000 credits (20,183,763)SGS LLR Sapphire: Earned 20,000,000 credits (20,482,069)TRP LLR Sapphire: Earned 20,000,000 credits (20,307,419)Woodall LLR Emerald: Earned 50,000,000 credits (51,058,101)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,380,527)Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (744,531)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,007,004)PPS Sieve Double Gold: Earned 500,000,000 credits (620,510,301)TRP Sieve (suspended) Bronze: Earned 10,000 credits (21,181)AP 26/27 Emerald: Earned 50,000,000 credits (50,339,393)GFN Double Gold: Earned 500,000,000 credits (584,179,751)WW Double Ruby: Earned 2,000,000,000 credits (2,602,332,000)
Message 152250 - Posted: 14 Nov 2021 | 13:58:55 UTC - in response to Message 152249.
Last modified: 14 Nov 2021 | 14:03:40 UTC

I can answer this quickly.
Do 1 task with all cores.

Edit: I am now paying attention. You will not get better performance on these CPUs than 1 task running.

Anthony Ayiomamitis
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Joined: 19 Mar 15
Posts: 2942
ID: 386066
Credit: 1,027,380,775
RAC: 261,650
Discovered 1 mega primeFound 2 primes in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 2 primes in the 2022 Tour de PrimesFound 1 mega prime in the 2022 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,048,709)Cullen LLR Turquoise: Earned 5,000,000 credits (5,026,008)ESP LLR Turquoise: Earned 5,000,000 credits (5,098,225)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (5,127,156)PPS LLR Sapphire: Earned 20,000,000 credits (20,015,895)PSP LLR Sapphire: Earned 20,000,000 credits (20,069,940)SoB LLR Sapphire: Earned 20,000,000 credits (20,045,552)SR5 LLR Turquoise: Earned 5,000,000 credits (9,540,476)SGS LLR Turquoise: Earned 5,000,000 credits (5,129,290)TRP LLR Turquoise: Earned 5,000,000 credits (5,050,008)Woodall LLR Turquoise: Earned 5,000,000 credits (5,062,520)321 Sieve (suspended) Double Bronze: Earned 100,000,000 credits (102,500,323)Generalized Cullen/Woodall Sieve (suspended) Double Bronze: Earned 100,000,000 credits (100,500,349)PPS Sieve Double Silver: Earned 200,000,000 credits (243,349,119)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (14,516,062)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,329,228)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,185,540)GFN Double Bronze: Earned 100,000,000 credits (124,030,331)WW Double Bronze: Earned 100,000,000 credits (100,228,000)PSA Double Bronze: Earned 100,000,000 credits (116,531,700)
Message 152251 - Posted: 14 Nov 2021 | 14:17:50 UTC - in response to Message 152250.

Thanks, Nick!

Profile Rafael
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Joined: 22 Oct 14
Posts: 905
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Credit: 459,496,650
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321 LLR Jade: Earned 10,000,000 credits (10,008,611)Cullen LLR Jade: Earned 10,000,000 credits (10,005,009)ESP LLR Jade: Earned 10,000,000 credits (10,041,747)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,000,820)PPS LLR Jade: Earned 10,000,000 credits (10,020,730)PSP LLR Jade: Earned 10,000,000 credits (10,049,767)SoB LLR Jade: Earned 10,000,000 credits (13,791,557)SR5 LLR Jade: Earned 10,000,000 credits (10,003,746)SGS LLR Jade: Earned 10,000,000 credits (10,002,215)TRP LLR Jade: Earned 10,000,000 credits (10,011,903)Woodall LLR Jade: Earned 10,000,000 credits (10,076,850)321 Sieve (suspended) Jade: Earned 10,000,000 credits (10,033,828)Generalized Cullen/Woodall Sieve (suspended) Jade: Earned 10,000,000 credits (10,037,204)PPS Sieve Jade: Earned 10,000,000 credits (10,305,147)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,000,053)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,030,160)AP 26/27 Emerald: Earned 50,000,000 credits (50,015,953)GFN Sapphire: Earned 20,000,000 credits (39,587,351)WW Emerald: Earned 50,000,000 credits (50,712,000)PSA Double Bronze: Earned 100,000,000 credits (170,761,999)
Message 152276 - Posted: 15 Nov 2021 | 16:32:28 UTC - in response to Message 152249.

A question for the group: how should I allocate the six physical cores of my i7 8700k CPU when processing PSP units? Do I go after 3x2 cores, 2x3 cores or perhaps 1x4 / 1x5 / 1x6 cores?

I am running a task right now with 5 cores allocated to it on my i7 8700k and it seems that it will take about 27 hrs to complete. Similarly, another system (i3 6300) will require about 32 hrs with only two cores to complete, thus suggesting that the five cores with the i7 8700k are an overkill and I am wasting potential resources.

With LLR2 it is not vital that we rush to return a task and, as a result, I can easily afford a slightly slower return if it will mean greater throughput per unit of time.

Thanks!


Rule of Thumb #1: always have the sum of cache usage for all your tasks a bit below your CPU cache.

Looking at single one of your tasks, it's using 2880k * 8 = ~23MB of cache, which is above your CPU's 12MB limit. So you should run fewer tasks to reduce usage... but since you can't run fewer than one, just run that single task with as many cores as you have.

Profile NickProject donor
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Joined: 11 Jul 11
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Credit: 4,338,128,139
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Discovered 9 mega primesFound 5 primes in the 2020 Tour de PrimesFound 2 mega primes in the 2020 Tour de PrimesFound 4 primes in the 2021 Tour de PrimesFound 2 mega primes in the 2021 Tour de PrimesFound 3 primes in the 2022 Tour de Primes321 LLR Sapphire: Earned 20,000,000 credits (23,436,311)Cullen LLR Emerald: Earned 50,000,000 credits (50,743,293)ESP LLR Sapphire: Earned 20,000,000 credits (39,788,109)Generalized Cullen/Woodall LLR Emerald: Earned 50,000,000 credits (50,473,530)PPS LLR Emerald: Earned 50,000,000 credits (75,402,242)PSP LLR Emerald: Earned 50,000,000 credits (51,069,305)SoB LLR Emerald: Earned 50,000,000 credits (51,885,310)SR5 LLR Sapphire: Earned 20,000,000 credits (20,183,763)SGS LLR Sapphire: Earned 20,000,000 credits (20,482,069)TRP LLR Sapphire: Earned 20,000,000 credits (20,307,419)Woodall LLR Emerald: Earned 50,000,000 credits (51,058,101)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,380,527)Cullen/Woodall Sieve (suspended) Gold: Earned 500,000 credits (744,531)Generalized Cullen/Woodall Sieve (suspended) Turquoise: Earned 5,000,000 credits (5,007,004)PPS Sieve Double Gold: Earned 500,000,000 credits (620,510,301)TRP Sieve (suspended) Bronze: Earned 10,000 credits (21,181)AP 26/27 Emerald: Earned 50,000,000 credits (50,339,393)GFN Double Gold: Earned 500,000,000 credits (584,179,751)WW Double Ruby: Earned 2,000,000,000 credits (2,602,332,000)
Message 152278 - Posted: 15 Nov 2021 | 16:42:09 UTC - in response to Message 152276.
Last modified: 15 Nov 2021 | 16:52:14 UTC


Rule of Thumb #1: always have the sum of cache usage for all your tasks a bit below your CPU cache..

Except it becomes 'weird' with the Intel CPUs that don't mirror information between L2 and L3.
I could have sworn that running 2 x PSP was not the best best choice, but I saw what Pooh Bear (Thankyou) was doing on his 10980XE and it worked for my 9960Xs too.
This isn't in contradiction of what you are saying.
Keep it below cache capacity, if you can.

Anthony Ayiomamitis
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Joined: 19 Mar 15
Posts: 2942
ID: 386066
Credit: 1,027,380,775
RAC: 261,650
Discovered 1 mega primeFound 2 primes in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 2 primes in the 2022 Tour de PrimesFound 1 mega prime in the 2022 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,048,709)Cullen LLR Turquoise: Earned 5,000,000 credits (5,026,008)ESP LLR Turquoise: Earned 5,000,000 credits (5,098,225)Generalized Cullen/Woodall LLR Turquoise: Earned 5,000,000 credits (5,127,156)PPS LLR Sapphire: Earned 20,000,000 credits (20,015,895)PSP LLR Sapphire: Earned 20,000,000 credits (20,069,940)SoB LLR Sapphire: Earned 20,000,000 credits (20,045,552)SR5 LLR Turquoise: Earned 5,000,000 credits (9,540,476)SGS LLR Turquoise: Earned 5,000,000 credits (5,129,290)TRP LLR Turquoise: Earned 5,000,000 credits (5,050,008)Woodall LLR Turquoise: Earned 5,000,000 credits (5,062,520)321 Sieve (suspended) Double Bronze: Earned 100,000,000 credits (102,500,323)Generalized Cullen/Woodall Sieve (suspended) Double Bronze: Earned 100,000,000 credits (100,500,349)PPS Sieve Double Silver: Earned 200,000,000 credits (243,349,119)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Jade: Earned 10,000,000 credits (14,516,062)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,329,228)AP 26/27 Double Bronze: Earned 100,000,000 credits (100,185,540)GFN Double Bronze: Earned 100,000,000 credits (124,030,331)WW Double Bronze: Earned 100,000,000 credits (100,228,000)PSA Double Bronze: Earned 100,000,000 credits (116,531,700)
Message 152283 - Posted: 15 Nov 2021 | 18:59:29 UTC - in response to Message 152276.

Rule of Thumb #1: always have the sum of cache usage for all your tasks a bit below your CPU cache.

Looking at single one of your tasks, it's using 2880k * 8 = ~23MB of cache, which is above your CPU's 12MB limit. So you should run fewer tasks to reduce usage... but since you can't run fewer than one, just run that single task with as many cores as you have.

Many thanks for the reminder, Rafale!

I have another unit completing in 90 minutes and which will come in at about 3 hrs earlier than expected and I suspect it will be due to a difference in FFT length (ex 2340k vs 2880k).

Profile BurProject donor
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Posts: 511
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Credit: 406,968,745
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321 LLR Ruby: Earned 2,000,000 credits (2,092,823)Cullen LLR Ruby: Earned 2,000,000 credits (2,315,295)ESP LLR Ruby: Earned 2,000,000 credits (2,151,088)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,620,968)PPS LLR Jade: Earned 10,000,000 credits (10,096,261)PSP LLR Ruby: Earned 2,000,000 credits (2,064,832)SoB LLR Ruby: Earned 2,000,000 credits (2,434,466)SR5 LLR Ruby: Earned 2,000,000 credits (2,065,004)SGS LLR Ruby: Earned 2,000,000 credits (2,027,649)TRP LLR Ruby: Earned 2,000,000 credits (2,089,856)Woodall LLR Ruby: Earned 2,000,000 credits (2,112,258)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,107,153)PPS Sieve Turquoise: Earned 5,000,000 credits (5,096,952)AP 26/27 Turquoise: Earned 5,000,000 credits (5,797,662)GFN Jade: Earned 10,000,000 credits (10,874,159)WW Double Silver: Earned 200,000,000 credits (349,980,000)PSA Amethyst: Earned 1,000,000 credits (1,042,601)
Message 152320 - Posted: 20 Nov 2021 | 7:23:53 UTC

You can also use Prime95/Mprime benchmark feature that tests the throughput for different cores/LLR combinations depending on the FFT size. Just make sure to enable "all-complex FFT".

That'll give you a very good estimate which number of cores is optimal.
____________
1281979 * 2^485014 + 1 is prime ... no further hits up to: n = 5,700,000

Jim WilkinsProject donor
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321 LLR Ruby: Earned 2,000,000 credits (3,054,714)Cullen LLR Ruby: Earned 2,000,000 credits (3,004,653)ESP LLR Ruby: Earned 2,000,000 credits (3,749,584)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (3,623,407)PPS LLR Ruby: Earned 2,000,000 credits (3,004,635)PSP LLR Turquoise: Earned 5,000,000 credits (5,017,568)SoB LLR Turquoise: Earned 5,000,000 credits (5,380,169)SR5 LLR Ruby: Earned 2,000,000 credits (3,001,594)SGS LLR Ruby: Earned 2,000,000 credits (3,001,424)TRP LLR Ruby: Earned 2,000,000 credits (3,004,060)Woodall LLR Ruby: Earned 2,000,000 credits (3,093,144)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,010,304)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (200,004)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,001,945)PPS Sieve Sapphire: Earned 20,000,000 credits (32,548,060)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,010,599)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,124,676)AP 26/27 Turquoise: Earned 5,000,000 credits (8,601,998)GFN Turquoise: Earned 5,000,000 credits (8,789,862)
Message 152325 - Posted: 20 Nov 2021 | 16:06:20 UTC - in response to Message 152276.

how do I know what my cache is?


____________
Thanks,
Jim

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Discovered 2 mega primesFound 2 primes in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 1 prime in the 2021 Tour de Primes321 LLR Amethyst: Earned 1,000,000 credits (1,187,213)Cullen LLR Amethyst: Earned 1,000,000 credits (1,291,013)ESP LLR Amethyst: Earned 1,000,000 credits (1,151,976)Generalized Cullen/Woodall LLR Amethyst: Earned 1,000,000 credits (1,199,207)PPS LLR Sapphire: Earned 20,000,000 credits (25,426,293)PSP LLR Amethyst: Earned 1,000,000 credits (1,476,639)SoB LLR Ruby: Earned 2,000,000 credits (2,432,091)SR5 LLR Ruby: Earned 2,000,000 credits (2,954,518)SGS LLR Amethyst: Earned 1,000,000 credits (1,462,951)TRP LLR Amethyst: Earned 1,000,000 credits (1,574,163)Woodall LLR Amethyst: Earned 1,000,000 credits (1,001,901)321 Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,119,749)Generalized Cullen/Woodall Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,005,331)PPS Sieve Emerald: Earned 50,000,000 credits (75,311,511)AP 26/27 Emerald: Earned 50,000,000 credits (80,617,420)GFN Double Bronze: Earned 100,000,000 credits (104,023,063)WW Double Bronze: Earned 100,000,000 credits (104,012,000)PSA Ruby: Earned 2,000,000 credits (2,059,222)
Message 152326 - Posted: 20 Nov 2021 | 19:03:05 UTC - in response to Message 152325.
Last modified: 20 Nov 2021 | 19:05:01 UTC

how do I know what my cache is?

I don't know an app nor a command for Linux.
Anyway, I believe the info can be found in the chip manufacturer website.

For Windows there is CPU-Z.
____________
"Accidit in puncto, quod non contingit in anno."
Something that does not occur in a year may, perchance, happen in a moment.

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Discovered 3 mega primesFound 2 primes in the 2018 Tour de PrimesFound 4 primes in the 2019 Tour de PrimesFound 3 primes in the 2020 Tour de PrimesFound 1 mega prime in the 2020 Tour de PrimesFound 4 primes in the 2021 Tour de PrimesFound 7 primes in the 2022 Tour de PrimesFound 1 mega prime in the 2022 Tour de Primes321 LLR Sapphire: Earned 20,000,000 credits (27,589,187)Cullen LLR Sapphire: Earned 20,000,000 credits (20,754,874)ESP LLR Sapphire: Earned 20,000,000 credits (20,453,074)Generalized Cullen/Woodall LLR Sapphire: Earned 20,000,000 credits (44,798,087)PPS LLR Emerald: Earned 50,000,000 credits (61,756,838)PSP LLR Sapphire: Earned 20,000,000 credits (20,571,669)SoB LLR Emerald: Earned 50,000,000 credits (50,873,282)SR5 LLR Sapphire: Earned 20,000,000 credits (21,257,664)SGS LLR Sapphire: Earned 20,000,000 credits (21,819,843)TRP LLR Sapphire: Earned 20,000,000 credits (20,191,201)Woodall LLR Sapphire: Earned 20,000,000 credits (20,376,385)321 Sieve (suspended) Emerald: Earned 50,000,000 credits (55,630,889)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,178,073)Generalized Cullen/Woodall Sieve (suspended) Emerald: Earned 50,000,000 credits (56,046,594)PPS Sieve Double Gold: Earned 500,000,000 credits (521,014,891)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Turquoise: Earned 5,000,000 credits (9,468,384)TRP Sieve (suspended) Jade: Earned 10,000,000 credits (10,076,645)AP 26/27 Double Gold: Earned 500,000,000 credits (502,006,216)GFN Double Silver: Earned 200,000,000 credits (275,163,001)WW Double Silver: Earned 200,000,000 credits (418,476,000)PSA Double Bronze: Earned 100,000,000 credits (126,200,096)
Message 152327 - Posted: 20 Nov 2021 | 19:09:44 UTC - in response to Message 152325.

how do I know what my cache is?



Your i5-5250U: 3MB
Your i5-10600: 12MB

(For everybody) Wikipedia is also a great place to look up data on whole families of chips, which is great comparison material for those shopping for new or used hardware, particularly the still excellent and cheap retired server stuff.
____________
Eating more cheese on Thursdays.

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Joined: 4 Sep 07
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ID: 11784
Credit: 95,222,440
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321 LLR Ruby: Earned 2,000,000 credits (3,054,714)Cullen LLR Ruby: Earned 2,000,000 credits (3,004,653)ESP LLR Ruby: Earned 2,000,000 credits (3,749,584)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (3,623,407)PPS LLR Ruby: Earned 2,000,000 credits (3,004,635)PSP LLR Turquoise: Earned 5,000,000 credits (5,017,568)SoB LLR Turquoise: Earned 5,000,000 credits (5,380,169)SR5 LLR Ruby: Earned 2,000,000 credits (3,001,594)SGS LLR Ruby: Earned 2,000,000 credits (3,001,424)TRP LLR Ruby: Earned 2,000,000 credits (3,004,060)Woodall LLR Ruby: Earned 2,000,000 credits (3,093,144)321 Sieve (suspended) Ruby: Earned 2,000,000 credits (2,010,304)Cullen/Woodall Sieve (suspended) Silver: Earned 100,000 credits (200,004)Generalized Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (2,001,945)PPS Sieve Sapphire: Earned 20,000,000 credits (32,548,060)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,010,599)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,124,676)AP 26/27 Turquoise: Earned 5,000,000 credits (8,601,998)GFN Turquoise: Earned 5,000,000 credits (8,789,862)
Message 152328 - Posted: 20 Nov 2021 | 19:19:02 UTC - in response to Message 152327.

Thanks...

Jim

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Credit: 543,185,506
RAC: 36,711
Discovered 1 mega primeFound 1 prime in the 2018 Tour de PrimesFound 1 prime in the 2019 Tour de PrimesFound 1 prime in the 2020 Tour de PrimesFound 1 prime in the 2021 Tour de Primes321 LLR Jade: Earned 10,000,000 credits (10,011,570)Cullen LLR Jade: Earned 10,000,000 credits (10,009,374)ESP LLR Jade: Earned 10,000,000 credits (10,009,221)Generalized Cullen/Woodall LLR Jade: Earned 10,000,000 credits (10,012,217)PPS LLR Jade: Earned 10,000,000 credits (16,319,859)PSP LLR Jade: Earned 10,000,000 credits (10,044,081)SoB LLR Jade: Earned 10,000,000 credits (10,064,750)SR5 LLR Jade: Earned 10,000,000 credits (10,002,051)SGS LLR Jade: Earned 10,000,000 credits (10,001,295)TRP LLR Jade: Earned 10,000,000 credits (10,002,411)Woodall LLR Jade: Earned 10,000,000 credits (10,013,921)321 Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,004,228)Generalized Cullen/Woodall Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,047,667)PPS Sieve Sapphire: Earned 20,000,000 credits (20,866,490)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,043,271)TRP Sieve (suspended) Sapphire: Earned 20,000,000 credits (20,015,177)AP 26/27 Sapphire: Earned 20,000,000 credits (20,045,194)GFN Emerald: Earned 50,000,000 credits (55,355,287)WW Emerald: Earned 50,000,000 credits (50,016,000)PSA Double Silver: Earned 200,000,000 credits (200,301,443)
Message 152352 - Posted: 22 Nov 2021 | 14:34:36 UTC - in response to Message 152326.

how do I know what my cache is?
I don't know an app nor a command for Linux.

In Linux, everything is in /proc/cpuinfo - just read this file or filter necessary lines:

cat /proc/cpuinfo | grep cache

Post to thread

Message boards : Prime Sierpinski Problem : Optimizing PSP processing with LLR2 ....

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