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Message boards : Sierpinski/Riesel Base 5 Problem : SR5 primes may take up to 10 times longer to process than composites

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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 (2,063,182)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (4,375,883)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Ruby: Earned 2,000,000 credits (2,774,205)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (34,158,496)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,012,222)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 (5,046,112)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve 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 Turquoise: Earned 5,000,000 credits (7,090,096)GFN Emerald: Earned 50,000,000 credits (64,594,991)PSA Jade: Earned 10,000,000 credits (10,873,960)
Message 68148 - Posted: 5 Aug 2013 | 16:55:51 UTC

We've increased the deadline for SR5 tasks to 6 days. With larger numbers come longer processing times. Since it also takes up to 4 times the normal time to process a number when a prime is found, we feel this increase in the deadline is warranted.

Since there's still several hundred SR5 workunits in the pipeline, you may still get some SR5 tasks with 3 day deadlines, but all new workunits will have a 6 day deadline.

Note: Some older CPUs such as an AMD Sempron may run SR5 tasks up to four times slower than they run other LLR tasks. Therefore, if you have a really old computer (like my 32-bit Sempron) and are lucky enough to find a Riesel prime, you won't be able to complete the processing within the deadline. If your computer can't complete an SR5 task in 36 hours (1/4th of the deadline), it won't be able to make the deadline if it finds a Riesel (-1) prime. Sierpinski (+1) primes "only" take twice as long.

When deciding whether to process SR5, please keep this extra processing time for primes in mind. If you have a very slow processor and miss the deadline, you may miss out on getting credit for discovering the prime or being the double checker.
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Profile Michael GoetzProject donor
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Joined: 21 Jan 10
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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 (2,063,182)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (4,375,883)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Ruby: Earned 2,000,000 credits (2,774,205)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (34,158,496)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,012,222)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 (5,046,112)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve 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 Turquoise: Earned 5,000,000 credits (7,090,096)GFN Emerald: Earned 50,000,000 credits (64,594,991)PSA Jade: Earned 10,000,000 credits (10,873,960)
Message 68161 - Posted: 6 Aug 2013 | 1:54:58 UTC

While reviewing the most recent prime, it looks like I need to revise my statement about primes taking four times as long to calculate.

The most recent prime took almost ten times as long to calculate.

Therefore, so that people have enough time to process these numbers, I'm increasing the deadline (again) to 15 days.

So, if you notice that your SR5 job is taking an unusually long time, or that your wingman took a really long time, it's probably because you've just found the next SR5 prime!
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Profile Crun-chiProject donor
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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 (2,982,482)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 Gold: Earned 500,000 credits (515,556)PPS Sieve Jade: Earned 10,000,000 credits (11,340,212)TRP Sieve (suspended) Silver: Earned 100,000 credits (255,612)AP 26/27 Ruby: Earned 2,000,000 credits (2,575,874)GFN Sapphire: Earned 20,000,000 credits (23,152,487)PSA Turquoise: Earned 5,000,000 credits (7,522,050)
Message 68166 - Posted: 6 Aug 2013 | 8:28:29 UTC - in response to Message 68161.

Does this ten times longer test is on AVX or non-avx cpu?
When that prime is reported I will test it , and see run times...
____________
271643232^131072+1 GENERALIZED FERMAT :)
93*10^1029523-1 REPDIGIT PRIME
31*332^367560+1 CRUS PRIME
Proud member of team Aggie The Pew. Go Aggie!

Profile Michael GoetzProject donor
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Joined: 21 Jan 10
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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 (2,063,182)Cullen LLR Ruby: Earned 2,000,000 credits (2,005,249)ESP LLR Ruby: Earned 2,000,000 credits (4,375,883)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Ruby: Earned 2,000,000 credits (2,774,205)PSP LLR Ruby: Earned 2,000,000 credits (2,632,269)SoB LLR Sapphire: Earned 20,000,000 credits (34,158,496)SR5 LLR Turquoise: Earned 5,000,000 credits (8,293,415)SGS LLR Ruby: Earned 2,000,000 credits (2,012,222)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 (5,046,112)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,170,256)Generalized Cullen/Woodall Sieve 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 Turquoise: Earned 5,000,000 credits (7,090,096)GFN Emerald: Earned 50,000,000 credits (64,594,991)PSA Jade: Earned 10,000,000 credits (10,873,960)
Message 68167 - Posted: 6 Aug 2013 | 10:59:19 UTC - in response to Message 68166.

Does this ten times longer test is on AVX or non-avx cpu?
When that prime is reported I will test it , and see run times...


Both.
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Discovered 1 Fermat divisor321 LLR Amethyst: Earned 1,000,000 credits (1,109,079)Cullen LLR Gold: Earned 500,000 credits (536,395)ESP LLR Amethyst: Earned 1,000,000 credits (1,186,507)Generalized Cullen/Woodall LLR Gold: Earned 500,000 credits (546,953)PPS LLR Ruby: Earned 2,000,000 credits (3,545,097)PSP LLR Gold: Earned 500,000 credits (813,831)SoB LLR Amethyst: Earned 1,000,000 credits (1,748,006)SR5 LLR Turquoise: Earned 5,000,000 credits (5,239,728)SGS LLR Ruby: Earned 2,000,000 credits (2,314,675)TPS LLR (retired) Silver: Earned 100,000 credits (166,694)TRP LLR Ruby: Earned 2,000,000 credits (4,573,291)Woodall LLR Gold: Earned 500,000 credits (715,263)321 Sieve Bronze: Earned 10,000 credits (30,347)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,168,597)Generalized Cullen/Woodall Sieve Gold: Earned 500,000 credits (541,280)PPS Sieve Emerald: Earned 50,000,000 credits (85,522,504)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Gold: Earned 500,000 credits (716,314)TRP Sieve (suspended) Amethyst: Earned 1,000,000 credits (1,256,703)AP 26/27 Jade: Earned 10,000,000 credits (11,769,846)GFN Jade: Earned 10,000,000 credits (14,525,206)PSA Amethyst: Earned 1,000,000 credits (1,096,383)
Message 123094 - Posted: 3 Dec 2018 | 6:19:18 UTC

Task is past the 2 day mark. Hope it's a prime and not some kind of error. The progress % hasn't moved in awhile

JimBProject donor
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321 LLR Ruby: Earned 2,000,000 credits (2,071,006)Cullen LLR Ruby: Earned 2,000,000 credits (4,358,167)ESP LLR Turquoise: Earned 5,000,000 credits (5,014,632)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,589,971)PPS LLR Ruby: Earned 2,000,000 credits (2,102,793)PSP LLR Turquoise: Earned 5,000,000 credits (5,013,650)SoB LLR Sapphire: Earned 20,000,000 credits (38,700,593)SR5 LLR Jade: Earned 10,000,000 credits (10,987,079)SGS LLR Ruby: Earned 2,000,000 credits (2,069,865)TRP LLR Ruby: Earned 2,000,000 credits (2,125,793)Woodall LLR Ruby: Earned 2,000,000 credits (2,595,228)321 Sieve Turquoise: Earned 5,000,000 credits (5,000,447)Cullen/Woodall Sieve (suspended) Ruby: Earned 2,000,000 credits (4,002,919)Generalized Cullen/Woodall Sieve Sapphire: Earned 20,000,000 credits (20,005,451)PPS Sieve Emerald: Earned 50,000,000 credits (50,809,179)Sierpinski (ESP/PSP/SoB) Sieve (suspended) Ruby: Earned 2,000,000 credits (2,341,676)TRP Sieve (suspended) Ruby: Earned 2,000,000 credits (2,070,804)AP 26/27 Jade: Earned 10,000,000 credits (10,592,660)GFN Sapphire: Earned 20,000,000 credits (31,491,236)PSA Double Gold: Earned 500,000,000 credits (631,867,115)
Message 123096 - Posted: 3 Dec 2018 | 9:01:43 UTC - in response to Message 123094.

Task is past the 2 day mark. Hope it's a prime and not some kind of error. The progress % hasn't moved in awhile

My impression is that the task isn't running at all. It was 72% done on 1 December. Exactly 24 hours later it was still at 72% done. That's not how a prime would behave. A prime would restart at zero percent done after it hit 100%.

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Message boards : Sierpinski/Riesel Base 5 Problem : SR5 primes may take up to 10 times longer to process than composites

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