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11) Message boards : Number crunching : Sub-project "life" expectancy (Message 158076)
Posted 8 days ago by Profile Michael GoetzProject donor
There may be a pause in Cullen and Woodall. We're running close to the end of those sieve files and will need to do more sieving before continuing.

Hey Michael,
Could this sieving be opened up for all of us?
Vaughan


I expect it will be a public project. It was last time.
12) Message boards : Number crunching : Sub-project "life" expectancy (Message 158053)
Posted 8 days ago by Profile Michael GoetzProject donor
There may be a pause in Cullen and Woodall. We're running close to the end of those sieve files and will need to do more sieving before continuing.
13) Message boards : Wieferich and Wall-Sun-Sun Prime Search : End of WW Project - 30 day notice (Message 157990)
Posted 12 days ago by Profile Michael GoetzProject donor
My recollection was that the problem wasn’t doing them at the same time. If that were the case we would have created two projects. The problem was that the other two weren’t practical and/or efficient.
14) Message boards : Wieferich and Wall-Sun-Sun Prime Search : End of WW Project - 30 day notice (Message 157982)
Posted 13 days ago by Profile Michael GoetzProject donor
Are there any plans to update the software for a higher range?


None at this time. I suspect going higher would make the software significantly slower.
15) Message boards : Number crunching : GFN18 run times have increased (Message 157881)
Posted 17 days ago by Profile Michael GoetzProject donor
I have gone from about 126 GFN18 tasks per day to 82 tasks per day and which represents a drop of 35% .... I will wait another day to see how these results will stabilize before switching subprojects.

I also like the fact that we all have the opportunity to always finish first but it means very little if at the same time we have a noticeable drop in throughput.


It depends on the GPU.

According to Yves, Nvidia 16xx and up see a small decrease in speed while 10xx (like my 1060) see about a 33% decrease in speed. That’s a lot, but… those are OLD and SLOW GPUs with “first” rates close to zero. While personal throughput for me has decreased, first rate has increased to 100%, and PROJECT throughput has greatly INCREASED because only one full task is needed per candidate.

For me that’s a worthwhile trade off since it’s actually possible for me to discover a prime. The same is also true if you choose to use a CPU (with MT).
16) Message boards : Wieferich and Wall-Sun-Sun Prime Search : End of WW Project - 30 day notice (Message 157837)
Posted 19 days ago by Profile Michael GoetzProject donor
Just wondering what the software limit for this search is?


18,446,744,073,709,551,616


Which means that based on the "min remaining bound" and "leading edge" numbers on the subproject status page, we're currently between 92.3 and 94.5% done with WW.


94.54%
17) Message boards : Wieferich and Wall-Sun-Sun Prime Search : End of WW Project - 30 day notice (Message 157823)
Posted 20 days ago by Profile Michael GoetzProject donor
Just wondering what the software limit for this search is?


18,446,744,073,709,551,616
18) Message boards : News : WW Project to End Soon (Message 157816)
Posted 21 days ago by Profile Michael GoetzProject donor
Within the next month or two, the WW project will reach the limit of the software, and the project will shut down.

Details and discussion can be found here.
19) Message boards : Wieferich and Wall-Sun-Sun Prime Search : End of WW Project - 30 day notice (Message 157815)
Posted 21 days ago by Profile Michael GoetzProject donor
This is the official "30 day" notice that the WW project is ending soon. The exact timing depends on how quickly people run the remaining tasks. At the current usage rates there's between 30 and 60 days worth of work remaining. Once all the work is gone, the project ends.
20) Message boards : Sophie Germain Prime Search : Sophie Germain MEGA? (Message 157748)
Posted 25 days ago by Profile Michael GoetzProject donor
Where would the sieving be done? Would it reopen an old badge or be a new effort? I appreciate this is somewhat in the future, if ever.


It's impossible to predict what will happen with SGS in the future, but I can tell you how the sieving was done in the past.

The SGS sieving was done by a single admin (Lennart) off-line. The sieving wasn't a public project. That's why there's no badge for SGS sieving. Also, even if it was a public sieve, it likely would have been manual sieving, so it would be part of the PSA badge.

When it comes time to do another SGS range, the sieving is likely to be either private like its been in the past, or, if public, it will probably be done manually. I don't see it being worth setting up the automation to do it via BOINC, so the sieving credit would probably be applied to the PSA badge.


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