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Message boards : Sierpinski/Riesel Base 5 Problem : Fast double checking is turned on for SR5

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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 PrimesFound 1 prime in the 2020 Tour de PrimesFound 2 primes in the 2021 Tour de Primes321 LLR Turquoise: Earned 5,000,000 credits (5,132,712)Cullen LLR Turquoise: Earned 5,000,000 credits (5,038,114)ESP LLR Turquoise: Earned 5,000,000 credits (6,177,890)Generalized Cullen/Woodall LLR Ruby: Earned 2,000,000 credits (2,145,754)PPS LLR Sapphire: Earned 20,000,000 credits (20,751,038)PSP LLR Turquoise: Earned 5,000,000 credits (5,197,957)SoB LLR Sapphire: Earned 20,000,000 credits (36,067,618)SR5 LLR Jade: Earned 10,000,000 credits (10,007,110)SGS LLR Ruby: Earned 2,000,000 credits (3,718,606)TRP LLR Turquoise: Earned 5,000,000 credits (5,084,329)Woodall LLR Ruby: Earned 2,000,000 credits (3,772,887)321 Sieve (suspended) Jade: Earned 10,000,000 credits (10,061,196)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 (22,885,121)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 (10,118,303)WW Sapphire: Earned 20,000,000 credits (32,204,000)GFN Emerald: Earned 50,000,000 credits (78,031,938)PSA Jade: Earned 10,000,000 credits (12,445,029)
Message 143455 - Posted: 19 Sep 2020 | 16:19:32 UTC

We have enabled the LLR2 fast double checking for SR5. More details can be found here: https://www.primegrid.com/forum_thread.php?id=9303

Important facts to know:

* Workunits are either old-LLR or new-LLR2. The two are not compatible. The existing LLR tasks will still get sent out using the full double checking. Once those are exhausted, the new LLR2 tasks will start going out.

* For SR5, the LLR2 tasks are about 20% to 30% longer. Credit has been increased accordingly.

* If you're using app_info.xml, you'll want to make sure you're using the latest executables and the correct parameters.

* There's no more racing to beat your wingman. Only one main task is sent out, and almost always you're going to be first, because there's only one task. (Only in some failure modes will there be two tasks sent out, and if that happens, it's probably because of something you did.)

* Your task will upload several megabytes worth of validation data to the server. The server uses this information to produce a special, very fast, double check task.

* The double check task is over 100 times faster than the main task. Credit is proportionally smaller, of course. The double check task is a different workunit than the main task. Both generally only have one task.


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Message boards : Sierpinski/Riesel Base 5 Problem : Fast double checking is turned on for SR5

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