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RogerVolunteer developer Volunteer tester
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The tentative BOINC Challenge schedule for 2015 has been released.
What kind of challenges do people enjoy? Long or short, separate or combined, CPU or GPU, mini-drives instead of challenges?
Below are some suggested dates that don't clash with the current BOINC schedule:
01 - January
02 - 01-28 February - all Top5000 prime projects - Tour de Primes
03 - 06-13 March - GFN524288 - "Transition Challenge"
04 - 03-10 April - Wall-Sun-Sun
05 - 15-29 May - Factorial
06 - 13-27 June - GFN262144
07 - July
08 - 14-28 August - GCW
09 - 19-26 September - Wieferich
10 - 09-30 October - Wall-Sun-Sun - "Coma Wall - Sun/Sun Challenge"
11 - 21-28 November Primorial
12 - 01-11 December - 27 & 121 combined
Feel free to suggest challenge names, different dates or orders.
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Scott Brown Volunteer moderator Project administrator Volunteer tester Project scientist
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Two quick suggestions:
1) A GFN65536 one would be nice given that at around 425k digits, it is not far from being exceeded by the PPSE LLR units on BOINC in size. Thus, it (much like the SGS LLR on BOINC PG) will begin to be pushed off the top 5000 list eventually.
2) I have a feeling that GFN524288 will be beyond its "transition" from GPU ranged work to exclusively CPU by March.
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compositeVolunteer tester Send message
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As much as possible, avoid northern summer months for GPU challenges. Electricity bills tend to be higher and the demand for air conditioning is already higher. |
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Michael Goetz Volunteer moderator Project administrator
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As much as possible, avoid northern summer months for GPU challenges. Electricity bills tend to be higher and the demand for air conditioning is already higher.
It depends on the GPU. People with mid to low end GPUs draw more power from their CPU than from their GPU, especially is it's a newer CPU with FMA. Anyone with one (or more!!!) big GPUs will, as you say, draw a lot more power and produce a lot more heat. I personally turn the crunching off when I turn the air conditioning on.
On BOINC, the easy solution (which we've done for longer than I've been here) is to run CPU sieve challenges in the summer. PRPNet doesn't run sieves, so that's not an option for the PRPNet challenge series. (We've talked internally about running sieve challenges, but there's serious logistical problems that would prevent that.)
If you want a 'low power' summer challenge, my suggestion would be the n=15 and n=16 GFN projects. Genefer has to use the x87 transform which is MUCH slower and draws a lot less power than FMA, AVX, or even SSE2 crunching. On PRPNet, scheduling those tasks in the summer is the "coolest" option currently available.
Other than that, I'd suggest primorial or factorial because they run on on PFGW which (at least as of now) doesn't use FMA. It will still draw a lot of power due to AVX, but it's not as much as FMA But the small GFN projects are, by far, PRPNet's lowest power alternative.
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RogerVolunteer developer Volunteer tester
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Looking at my test_results.txt file I can see GFN524288 transition challenge needs to be in 2014:
19/06/14 b=800786
19/07/14 b=819924 increase per month=19138
17/08/14 b=838960 increase per month=19036
21/10/14 845966 today
21/11/14 865002 projection
21/12/14 884038 b-limit approaching
21/01/15 903074 hitting b-limit
So lets take that onboard and split the 27/121, changing the March GFN524288 challenge to a 27 challenge.
In Southern Hemisphere I have to deal with GFN challenge in January and Tour de Primes in February. I can actually "feel" the heat coming off my PC when ambient gets above 30degC. I have to babysit the PC in case my Wife turns it off when I am not around.
Northern Hemisphere Summer is June/July/August. There is no July challenge for this reason. In June we have GFN262144. We can swap that with GFN65536. In August we have GCW. We can swap that with Primorial.
01 - January
02 - 01-28 February - all Top5000 prime projects - Tour de Primes
03 - 06-13 March (7 days) - 27
04 - 03-10 April (7 days) - Wall-Sun-Sun
05 - 15-29 May (14 days) - Factorial
06 - 13-27 June (14 days) - GFN65536
07 - July
08 - 14-28 August (14 days) - Primorial
09 - 19-26 September (7 days) - Wieferich
10 - 09-30 October (21 days) - Wall-Sun-Sun - "Coma Wall - Sun/Sun Challenge"
11 - 21-28 November (7 days) - GCW
12 - 01-11 December (10 days) - 121 |
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compositeVolunteer tester Send message
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A GFN challenge for my space heater would feel good right about now, here. It's -17 C outside this hour, ("feels like" -24 C with the wind). Of course, the last week of January would be better, when the air temperature sits around -28C during the day and -35 C at night.
Edit: Actually, I should consider putting something in the car as an interior heater. The standard heaters are purely resistive loads. |
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Sysadm@Nbg Volunteer moderator Volunteer tester Project scientist
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Still no suggestion for January challenge?!
time flies fast ...
PS: Jan 3 to 11 is blocked by PrimeGrid-Challenge
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Sysadm@Nbg
my current lucky number: 113856050^65536 + 1
PSA-PRPNet-Stats-URL: http://u-g-f.de/PRPNet/
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Still no suggestion for January challenge?!
time flies fast ...
PS: Jan 3 to 11 is blocked by PrimeGrid-Challenge
Since Wall–Sun–Sun (WSS) has two challenges, maybe Wieferich (WFS) could have a challenge in January, in addition to the one proposed in September? "Wieferich Water-carrier", for the astrological sign Aquarius. (The Sun will have celestial longitude 300° (2π × 10/12) circa January 21; we could look up the exact time of day.) /JeppeSN |
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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Still no suggestion for January challenge?!
time flies fast ...
PS: Jan 3 to 11 is blocked by PrimeGrid-Challenge
Since Wall–Sun–Sun (WSS) has two challenges, maybe Wieferich (WFS) could have a challenge in January, in addition to the one proposed in September? "Wieferich Water-carrier", for the astrological sign Aquarius. (The Sun will have celestial longitude 300° (2π × 10/12) circa January 21; we could look up the exact time of day.) /JeppeSN
There is no PRPNet challenge in January due to it being the height of Summer in the Southern Hemisphere. Still if someone else will second this nomination we can schedule a 7 day WFS challenge from 21-28 January. I am keen to get WFS beyond 4*10^17 into fresh search territory. |
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Tyler Project administrator Volunteer tester Send message
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Still no suggestion for January challenge?!
time flies fast ...
PS: Jan 3 to 11 is blocked by PrimeGrid-Challenge
Since Wall–Sun–Sun (WSS) has two challenges, maybe Wieferich (WFS) could have a challenge in January, in addition to the one proposed in September? "Wieferich Water-carrier", for the astrological sign Aquarius. (The Sun will have celestial longitude 300° (2π × 10/12) circa January 21; we could look up the exact time of day.) /JeppeSN
There is no PRPNet challenge in January due to it being the height of Summer in the Southern Hemisphere. Still if someone else will second this nomination we can schedule a 7 day WFS challenge from 21-28 January. I am keen to get WFS beyond 4*10^17 into fresh search territory.
I think that Jan 21-28 for WFS would be good
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275*2^3585539+1 is prime!!! (1079358 digits)
Proud member of Aggie the Pew
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Still no suggestion for January challenge?!
time flies fast ...
PS: Jan 3 to 11 is blocked by PrimeGrid-Challenge
Since Wall–Sun–Sun (WSS) has two challenges, maybe Wieferich (WFS) could have a challenge in January, in addition to the one proposed in September? "Wieferich Water-carrier", for the astrological sign Aquarius. (The Sun will have celestial longitude 300° (2π × 10/12) circa January 21; we could look up the exact time of day.) /JeppeSN
There is no PRPNet challenge in January due to it being the height of Summer in the Southern Hemisphere. Still if someone else will second this nomination we can schedule a 7 day WFS challenge from 21-28 January. I am keen to get WFS beyond 4*10^17 into fresh search territory.
I think that Jan 21-28 for WFS would be good
I tried to find the exact time. Maybe I misunderstand some astronomical notions(?), but I think we want the longitude of Sun in a geocentric ecliptic coordinate system. I tried to fill in some time deltas in this form, and I got this response which suggests we start January 20 at 09:37:19 UTC. Maybe someone knows a better source or way to find the time where Sun's longitude is 300°? /JeppeSN |
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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Still no suggestion for January challenge?!
time flies fast ...
PS: Jan 3 to 11 is blocked by PrimeGrid-Challenge
Since Wall–Sun–Sun (WSS) has two challenges, maybe Wieferich (WFS) could have a challenge in January, in addition to the one proposed in September? "Wieferich Water-carrier", for the astrological sign Aquarius. (The Sun will have celestial longitude 300° (2π × 10/12) circa January 21; we could look up the exact time of day.) /JeppeSN
There is no PRPNet challenge in January due to it being the height of Summer in the Southern Hemisphere. Still if someone else will second this nomination we can schedule a 7 day WFS challenge from 21-28 January. I am keen to get WFS beyond 4*10^17 into fresh search territory.
I think that Jan 21-28 for WFS would be good
I tried to find the exact time. Maybe I misunderstand some astronomical notions(?), but I think we want the longitude of Sun in a geocentric ecliptic coordinate system. I tried to fill in some time deltas in this form, and I got this response which suggests we start January 20 at 09:37:19 UTC. Maybe someone knows a better source or way to find the time where Sun's longitude is 300°? /JeppeSN
01 - 21-28 January - WFS - "Wieferich Water-carrier"
Next challenge is:
21-28 Wieferich Water-carrier
Start at 09:37:19 UTC (time when Sun's longitude reaches 300°) and end at 09:37:19 UTC, 1 week later. |
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Sysadm@Nbg Volunteer moderator Volunteer tester Project scientist
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Joined: 5 Feb 08 Posts: 1212 ID: 18646 Credit: 814,724,375 RAC: 111,957
                      
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Still no suggestion for January challenge?!
time flies fast ...
PS: Jan 3 to 11 is blocked by PrimeGrid-Challenge
Since Wall–Sun–Sun (WSS) has two challenges, maybe Wieferich (WFS) could have a challenge in January, in addition to the one proposed in September? "Wieferich Water-carrier", for the astrological sign Aquarius. (The Sun will have celestial longitude 300° (2π × 10/12) circa January 21; we could look up the exact time of day.) /JeppeSN
There is no PRPNet challenge in January due to it being the height of Summer in the Southern Hemisphere. Still if someone else will second this nomination we can schedule a 7 day WFS challenge from 21-28 January. I am keen to get WFS beyond 4*10^17 into fresh search territory.
I think that Jan 21-28 for WFS would be good
I tried to find the exact time. Maybe I misunderstand some astronomical notions(?), but I think we want the longitude of Sun in a geocentric ecliptic coordinate system. I tried to fill in some time deltas in this form, and I got this response which suggests we start January 20 at 09:37:19 UTC. Maybe someone knows a better source or way to find the time where Sun's longitude is 300°? /JeppeSN
01 - 21-28 January - WFS - "Wieferich Water-carrier"
Next challenge is:
21-28 Wieferich Water-carrier
Start at 09:37:19 UTC (time when Sun's longitude reaches 300°) and end at 09:37:19 UTC, 1 week later.
nice - lets prepare some stats later the day ...
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Sysadm@Nbg
my current lucky number: 113856050^65536 + 1
PSA-PRPNet-Stats-URL: http://u-g-f.de/PRPNet/
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I tried to find the exact time. Maybe I misunderstand some astronomical notions(?), but I think we want the longitude of Sun in a geocentric ecliptic coordinate system. I tried to fill in some time deltas in this form, and I got this response which suggests we start January 20 at 09:37:19 UTC. Maybe someone knows a better source or way to find the time where Sun's longitude is 300°? /JeppeSN
01 - 21-28 January - WFS - "Wieferich Water-carrier"
Next challenge is:
21-28 Wieferich Water-carrier
Start at 09:37:19 UTC (time when Sun's longitude reaches 300°) and end at 09:37:19 UTC, 1 week later.
I think it would be 20–27 January if my attempt at understanding ecliptic longitude was successful. I know I said circa 21 January earlier... Anyway, very nice with a January challenge. /JeppeSN |
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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I tried to find the exact time. Maybe I misunderstand some astronomical notions(?), but I think we want the longitude of Sun in a geocentric ecliptic coordinate system. I tried to fill in some time deltas in this form, and I got this response which suggests we start January 20 at 09:37:19 UTC. Maybe someone knows a better source or way to find the time where Sun's longitude is 300°? /JeppeSN
01 - 21-28 January - WFS - "Wieferich Water-carrier"
Next challenge is:
21-28 Wieferich Water-carrier
Start at 09:37:19 UTC (time when Sun's longitude reaches 300°) and end at 09:37:19 UTC, 1 week later.
I think it would be 20–27 January if my attempt at understanding ecliptic longitude was successful. I know I said circa 21 January earlier... Anyway, very nice with a January challenge. /JeppeSN
01 - 20-27 January - WFS - "Wieferich Water-carrier"
Next challenge is:
20-27 Wieferich Water-carrier
Start at 09:37:19 UTC (time when Sun's longitude reaches 300°) and end at 09:37:19 UTC, 1 week later. |
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Sysadm@Nbg Volunteer moderator Volunteer tester Project scientist
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fixed stats pages are online
and crontab is changed too
____________
Sysadm@Nbg
my current lucky number: 113856050^65536 + 1
PSA-PRPNet-Stats-URL: http://u-g-f.de/PRPNet/
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Are we still looking for a name for the next prpnet challenge? This is March 6 to 13 on the "27" port, right? How about the "Cube" challenge, in honor of "27"?
I did look through events that occurred in history on both the 6th and the 13th (at least as far as Wikipedia can be considered reliable) but everything looked pretty obscure, or, kind of a "downer", like someone being assassinated, a war starting, etc. So, no.
Now, if I can only get that "Age of Aquarius" song out of my head :-)
g |
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The name of the next challenge should be binary cyclops challenge.
If we write 27 (the multiplier used in the subproject) in binary:
11011
and compare with 2015 (the current year in the usual calendar) in binary:
11111011111
we see that both have only one zero, one eye, and that this eye is right in the middle, making each number a palindrome. According to OEIS A129868, these symmetrical monsters are called binary cyclops numbers.
/JeppeSN |
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It looks like 3503138^65536+1 by Scott Brown is the first Project Staging Area find during the February challenge (Tour de Primes). /JeppeSN |
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As of the last information I can find, it appears that a BOINC PG challenge and a PRPnet challenge in June overlap (starting June 12, 13). Did I miss something?
--Gary |
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RogerVolunteer developer Volunteer tester
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BOINC started out with 1-4th June ESP Sieve challenge, then changed to 12-15th June:
http://www.primegrid.com/forum_thread.php?id=5940
Some options I can think of to de-conflict by changing 13-27 June (14 days) - GFN65536 to:
• 20-27 June (7 days) - GFN65536
• 20 June-4 July (14 days) - GFN65536
• 20 June-20 July (30 days) - GFN65536
Let me know what you prefer? |
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Scott Brown Volunteer moderator Project administrator Volunteer tester Project scientist
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• 20-27 June (7 days) - GFN65536
I'd prefer this one simply because the GFN65536 project is using the x87 application, and I'd not want to tie up too many AVX and FMA3 capable CPUs on a longer challenge rather than having them crunch other GFN and LLR projects where they are more efficient.
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I like Scott's thinking on this change.
G
p.s. I only noticed this conflict by using an iCal calendar of challenges provided by PG user/teammate mattozan, whom I acknowledge and thank for his efforts. |
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RogerVolunteer developer Volunteer tester
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• 20-27 June (7 days) - GFN65536
I'd prefer this one simply because the GFN65536 project is using the x87 application, and I'd not want to tie up too many AVX and FMA3 capable CPUs on a longer challenge rather than having them crunch other GFN and LLR projects where they are more efficient.
OK. Lets go with that. |
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Can you post the finished calendar?
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RogerVolunteer developer Volunteer tester
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Can you post the finished calendar?
01 - 20-27 January - WFS - "Wieferich Water-carrier"
02 - 01-28 February - all Top5000 prime projects - Tour de Primes
03 - 06-13 March (7 days) - 27 - "Binary Cyclops Challenge"
04 - 03-10 April (7 days) - Wall-Sun-Sun - "Easter Egg Hunt"
05 - 13-27 May (14 days) - Factorial - "Top Gun Challenge"
06 - 20-27 June (7 days) - GFN65536 - "Solstice Challenge"
07 - July
08 - 14-28 August (14 days) - Primorial
09 - 19-26 September (7 days) - Wieferich
10 - 09-30 October (21 days) - Wall-Sun-Sun - "Coma Wall - Sun/Sun Challenge"
11 - 21-28 November (7 days) - GCW
12 - 01-11 December (10 days) - 121 |
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RogerVolunteer developer Volunteer tester
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Next challenge is:
03-10 April - Wall-Sun-Sun "Easter Egg Hunt"
I suggest we start at 12:00 UTC and end at 12:00 UTC. |
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• 20-27 June (7 days) - GFN65536
I'd prefer this one simply because the GFN65536 project is using the x87 application, and I'd not want to tie up too many AVX and FMA3 capable CPUs on a longer challenge rather than having them crunch other GFN and LLR projects where they are more efficient.
I also prefer short PRPNet challenges, that won't take too much CPU time away from the BOINC projects I also have my computers work for.
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RogerVolunteer developer Volunteer tester
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Top Gun Day is May 13th:
http://www.topgunday.com/2009/02/top-gun-day-is-may-13th/
Generate your Call Sign and prepare for the Top Gun Challenge.
In addition to the usual stats I'll be running 1 day training sorties.
Teams will be divided into Student Aviators against TOPGUN Instructors.
Winning side gets split into Students and Instructors for the next training sortie with handycaps based on previous sortie until one Team is victorious at the end.
eg. Team rank 1,3,5,7,... TOPGUN Instructors vs Team rank 2,4,6,8,... Student Aviators, based on http://u-g-f.de/PRPNet/allteam_stats.php?proj=FPS
Say Instructors win, then next sortie is 1,5,.. vs 3,7,... with handycap (sum side this sortie/sum side teams scores from previous sortie).
Maverick:
This is what I call a target rich environment.
Next challenge is:
05 - 13-27 May (14 days) - Factorial - "Top Gun Challenge"
I suggest we start at 02:00 UTC and end at 02:00 UTC.
Choose start time so you can see "todays progress" in PRPNet stats for each training sortie. |
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Top Gun Day is May 13th:
http://www.topgunday.com/2009/02/top-gun-day-is-may-13th/
Generate your Call Sign...
My call sign came out as 'Augur', very portentous!
I guess I will have to participate. |
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The next challenge is a factorial prime search. What executable is it supposed to use?
pfgw or llr?
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JimB Honorary cruncher Send message
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The next challenge is a factorial prime search. What executable is it supposed to use?
pfgw or llr?
pfgw. llr can't handle those. |
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RogerVolunteer developer Volunteer tester
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Next challenge is:
20-27 June - GFN65536 - "Solstice Challenge"
I suggest we start at 12:00 UTC and end at 12:00 UTC. |
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Honza Volunteer moderator Volunteer tester Project scientist Send message
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Looking at pending test for GFN655436, there are 27,679 tests in progress.
http://u-g-f.de/PRPNet/pending_stats.php?proj=GFN65536
We better solve this prior to running a challenge.
IIRC, this can happen when cache is a bit too large.
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My stats
Badge score: 1*1 + 5*1 + 8*3 + 9*11 + 10*1 + 11*1 + 12*3 = 186 |
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Looking at pending test for GFN655436, there are 27,679 tests in progress.
http://u-g-f.de/PRPNet/pending_stats.php?proj=GFN65536
We better solve this prior to running a challenge.
IIRC, this can happen when cache is a bit too large.
Thanks, there is some interaction between Ross*'s client/application setup and the server. I'm looking into it.
Cheers
- Iain
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Twitter: IainBethune
Proud member of team "Aggie The Pew". Go Aggie!
3073428256125*2^1290000-1 is Prime! |
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JimB Honorary cruncher Send message
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Looking at pending test for GFN655436, there are 27,679 tests in progress.
http://u-g-f.de/PRPNet/pending_stats.php?proj=GFN65536
We better solve this prior to running a challenge.
IIRC, this can happen when cache is a bit too large.
What happened was that Ross had only the genefercuda app enabled in prpclient. While the server didn't handle this appropriately, it's not something most users would do with GFN65536. |
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Next challenge is:
20-27 June - GFN65536 - "Solstice Challenge"
I suggest we start at 12:00 UTC and end at 12:00 UTC.
Then maybe a challenge prime can be found before the sun "turns around" at its most northerly declination at June 21, 16:38 UT (solstice). /JeppeSN |
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RogerVolunteer developer Volunteer tester
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George Boole Mathematical Sciences Conference 17 Aug 2015 - 28 Aug 2015
http://georgeboole.com/events/conferences/george-boole-mathematical-sciences-conference.html
Boole is a pivotal figure who can be described as the ‘father of the information age’. His invention of Boolean algebra and symbolic logic pioneered a new mathematics. His legacy surrounds us everywhere, in the computers, information storage and retrieval, electronic circuits and controls that support life, learning and communications in the 21st century. In 2015, University College Cork celebrates the bicentenary of George Boole, 1815-64.
Lines up pretty well with the Primorial challenge.
Other challenge ideas:
- World Humanitarian Day, 19th August
- International Day for the Remembrance of the Slave Trade and Its Abolition, 23 August
- https://en.wikipedia.org/wiki/August
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RogerVolunteer developer Volunteer tester
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Next challenge is:
14-28 August - Primorial - "George Boole Bicentenary Challenge"
I suggest we start at 12:00 UTC and end at 12:00 UTC. |
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Sysadm@Nbg Volunteer moderator Volunteer tester Project scientist
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Next challenge is:
14-28 August - Primorial - "George Boole Bicentenary Challenge"
I suggest we start at 12:00 UTC and end at 12:00 UTC.
challenge stats page and crontab are prepared
(link to challenge thread will follow asap)
I hope temperature isnt to hot for my cpu cores
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Sysadm@Nbg
my current lucky number: 113856050^65536 + 1
PSA-PRPNet-Stats-URL: http://u-g-f.de/PRPNet/
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RogerVolunteer developer Volunteer tester
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Next challenge is:
19-26 September - Wieferich
Any ideas? How about :-
Clean Up the World Challenge:
https://en.wikipedia.org/wiki/Clean_Up_the_World
Tolkien Week Challenge:
https://en.wikipedia.org/wiki/Hobbit_Day
Bear Market Challenge:
http://www.investing.com/indices/major-indices |
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19-26 September Bear Market Challenge:
Are you sure? Should I sell my shares now?
Of course we have the equinox (UTC, September 23, 08:20), but it may have been used too often already.
/JeppeSN
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Michael Goetz Volunteer moderator Project administrator
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I'd avoid "bear market" challenge. This may be a painful time for some of us, and we don't want to rub it in. Plus, it's very unpredictable, so it could just as easily be a bull market.
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My lucky number is 75898524288+1 |
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Scott Brown Volunteer moderator Project administrator Volunteer tester Project scientist
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Joined: 17 Oct 05 Posts: 2329 ID: 1178 Credit: 15,587,472,640 RAC: 13,520,640
                                           
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I like the "Tolkien Week" challenge, but I am an avid reader of his works including several of the academic pieces. :)
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Sysadm@Nbg Volunteer moderator Volunteer tester Project scientist
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Joined: 5 Feb 08 Posts: 1212 ID: 18646 Credit: 814,724,375 RAC: 111,957
                      
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I like the "Tolkien Week" challenge, but I am an avid reader of his works including several of the academic pieces. :)
I like it, too! And Wieferich primes are as rare as a ent-woman ;-)
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Sysadm@Nbg
my current lucky number: 113856050^65536 + 1
PSA-PRPNet-Stats-URL: http://u-g-f.de/PRPNet/
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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Very good. Next challenge is:
19-26 September - Wieferich - "Tolkien Week Challenge"
I suggest we start at 12:00 UTC and end at 12:00 UTC. |
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I'm getting warmed up as we speak :)
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Michael Goetz Volunteer moderator Project administrator
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Joined: 21 Jan 10 Posts: 13804 ID: 53948 Credit: 345,369,032 RAC: 4,797
                              
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We just made a change to the BOINC challenge schedule.
The BOINC October challenge is now 5 days instead of 3 days, so it ends on the 9th, the same day the PRPNet challenge starts.
The October BOINC challenge is now 3 days instead of 5 days, and starts two days later but the end day hasn't changed. That should have no impact on the November PRPNet challenge.
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My lucky number is 75898524288+1 |
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Sysadm@Nbg Volunteer moderator Volunteer tester Project scientist
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Joined: 5 Feb 08 Posts: 1212 ID: 18646 Credit: 814,724,375 RAC: 111,957
                      
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I suggest we start a day later; so it is a 20-day-challenge instead of a 21-day; this seems to me still long enough to celebrate our coma wall
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Sysadm@Nbg
my current lucky number: 113856050^65536 + 1
PSA-PRPNet-Stats-URL: http://u-g-f.de/PRPNet/
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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Next challenge is:
10-30 October - Wall-Sun-Sun - "Coma Wall - Sun/Sun Challenge"
https://en.wikipedia.org/wiki/CfA2_Great_Wall
I suggest we start at 12:00 UTC and end at 12:00 UTC. |
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Dave  Send message
Joined: 13 Feb 12 Posts: 3062 ID: 130544 Credit: 2,116,956,724 RAC: 1,464,765
                      
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I'm in as I enjoy WSS. Means no n=16 sving for a bit that's all. |
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a 20 day challenge? Just making sure I read it correctly. |
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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Yes indeed, purpose is a 20 day WSS challenge.
In 2014 we had the following:
2x 1 month: September Wieferich challenge and Tour de Primes challenge
5x 2 week
2x 1 week
By end of 2015:
1x 1 month: Tour de Primes challenge
1x 3 week: WSS challenge
2x 2 week
6x 1 week
These long GPU challenges can really advance the leading edge of a sub-project, and increases the chance of near-finds. |
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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Next challenge is:
21-28 November - GCW - "Snark Hunt Challenge"
I suggest we start at 12:00 UTC and end at 12:00 UTC.
https://en.wikipedia.org/wiki/The_Hunting_of_the_Snark |
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I'd like to propose the "Binomial Challenge."
It works on "two" levels:
1) Binomial-2 numbers: 27 & 121, the 2nd is the 2nd row of Pascal's Triangle
2) The 884th anniversary of the passing of Omar Khayyam, Persian mathematician who may have known and used the complete binomial theorem, is December 4. (Noting all the powers of 2 in those numbers)
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Eating more cheese on Thursdays. |
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RogerVolunteer developer Volunteer tester
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Joined: 27 Nov 11 Posts: 1138 ID: 120786 Credit: 268,621,444 RAC: 0
                    
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I don't see 27 in Pascal's Triangle until the 28th row.
Nevertheless time is short so we'll go with your suggestion.
Next challenge is:
01-11 December - 121 - "Binomial Challenge"
I suggest we start at 12:00 UTC and end at 12:00 UTC.
Omar Khayyám:
“Your hand can seize today, but not tomorrow; and thoughts of your tomorrow are nothing but desire. Don’t waste this breath, if your heart isn’t crazy, since "the rest of your life" won’t last forever.” |
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