1)
Message boards :
Number crunching :
LLR2 installed on all big LLR projects
(Message 143443)
Posted 3 days ago by  Skivelitis2
I'm sure many care but may not be aware of the potential situation as of yet. I for one now have roughly 50 threads on 321-sieve. Need about 3m to reach 20m. Should take 7-10 days depending upon level of participation in THOR challenge (WCG).
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2)
Message boards :
Number crunching :
Sophie Germain's Birthday Challenge
(Message 139166)
Posted 176 days ago by Skivelitis2
In general, is there any difference between a 50% CPU setting or running on 2 threads on a hyper-threaded machine? Should have planned ahead to do some testing but no time now.
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3)
Message boards :
321 Prime Search :
321 Sieve
(Message 124639)
Posted 621 days ago by Skivelitis2
Thank you for the concise answer as usual Michael. Would one be wise to assume a "30 day notice" for GCW Sieve will be concurrent with the start of the 321 Sieve?
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4)
Message boards :
321 Prime Search :
321 Sieve
(Message 124583)
Posted 622 days ago by Skivelitis2
Noticed the 321 Prime Sieve "coming soon". Great news! Will this wait until the conclusion of the current challenge?
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5)
Message boards :
Number crunching :
Considering something crazy
(Message 118618)
Posted 831 days ago by Skivelitis2
I had a 8400 GS running PPS sieve for a while; one task took a little under 20 hours. You might call it a waste of time and effort, but something about getting old and measly hardware like that to contribute fascinates me.
EDIT: oh, didn't notice PPS sieve already got a mention.
Yeah, I figure it's that or put it back in the shoe box!
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6)
Message boards :
Number crunching :
Considering something crazy
(Message 118581)
Posted 833 days ago by Skivelitis2
None of the current transforms will run on pre-Fermi hardware. The old (deprecated) version of OCL2 would do so, but it hasn't been available for a very long time now.
And just to give you an idea of the poor speed of an 8400GS, PPS sieve units take about a day each on that card.
Yep, I've run a few and they take about 28 hrs each.
@Michael: Not at all comfortable with the whole app.info thing. Want to improve all of my llr badges to gold, so will be attempting to set up the multi-threading within the next few weeks. That will be enough of an ordeal for me. I am a very slow two finger typist and even at my glacial speed tend to generate a lot of typos. Have some reading up to do!
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7)
Message boards :
Number crunching :
Considering something crazy
(Message 118530)
Posted 835 days ago by Skivelitis2
Oh well, maybe I actually do need to be on some meds for even considering it. This 8400 GS does have 512Mb memory, but no getting around the CC 1.1 limitation. Guess I'll have to use a GT 1030 then.
Thanks for the replies!
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8)
Message boards :
Number crunching :
Considering something crazy
(Message 118525)
Posted 835 days ago by Skivelitis2
If I was to stop taking my meds for a few days and decided to run a GFNWR work unit on a 8400 GS (that is not a typo) would I have a snowball's chance of ever receiving credit before the deadline extensions ran out and two others completed the task? I ran one a year or two ago on a GT 730 and if memory serves in took about 38 days running 24/7. Felt an odd sense of accomplishment afterwards.....
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9)
Message boards :
Problems and Help :
What could be causing this?
(Message 118490)
Posted 836 days ago by Skivelitis2
Thanks for the reply, dthonon! I am a total Linux noob and most of that thread went right over my head. I think I'll run any GFN units on one of my Win 10 machines with a GT 1030 instead. Does the same problem occur with the AP27 work units on Linux?
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10)
Message boards :
Problems and Help :
What could be causing this?
(Message 118484)
Posted 837 days ago by Skivelitis2
Host ID = 535198
WU # 570241547
570172743
GFN 21 with GTX 950 Linux Mint 18.3:
Run time: 172772sec CPU time: 172102 Runtime: 150248sec CPU time 140658sec
Nvidia server X settings show GPU utilization at 100%, 73C temps, 1379 Mhz clock, 6608 memory transfer speed.
Recent PPS sieve work unit on same GPU:
Run time: 1143.43sec CPU time: 186.68sec
Wingman's GPU on both units show a far lesser percentage of CPU time.
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