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post #71 of 100 (permalink) Old 04-26-2019, 06:07 PM
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I thought PPS Sieve had high GPU usage so I didn't bother checking it on my 1080Ti but it was very low even with CPU crunching stopped. 7:49 with 1 task. 9:06 with 3 tasks.

Even on the 1070 and 1070Ti they were around 10:40 and 9:18 at 2x. When at 3x they were running at 16:00 and 13:00. Improvements there too.


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post #72 of 100 (permalink) Old 04-26-2019, 06:34 PM
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Quote: Originally Posted by mmonnin View Post
I thought PPS Sieve had high GPU usage so I didn't bother checking it on my 1080Ti but it was very low even with CPU crunching stopped. 7:49 with 1 task. 9:06 with 3 tasks.

Even on the 1070 and 1070Ti they were around 10:40 and 9:18 at 2x. When at 3x they were running at 16:00 and 13:00. Improvements there too.
On my 2080ti, just 1 PPS sieve task keeps utilization at 85%
I have been running the manual sieving application at the same time; I think it ends up adding 500k ppd, which is about a 20% increase

Looks like I get roughly the same PPD from running 2xPPS sieve at a time.




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post #73 of 100 (permalink) Old 04-27-2019, 02:22 PM
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post #74 of 100 (permalink) Old 05-22-2019, 03:38 PM
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This weekend's sprint is this Amicable.

05/23/2019 22:00 (UTC) - 05/26/2019 21:59 (UTC)
Amicable Numbers

They have GPU apps but they are extremely CPU bound and every card requires many tasks to fully utilize the card if thats possible for higher core count systems. Many as in 7+ I've heard. Maybe more now. It basically a CPU project now. As the numbers get bigger it becomes less useful on the GPU.

CPU tasks appear to be mt at least up to 32t. Keeps the 1950x pegged with a quick dip every 20seconds or so. I can only get 64 tasks on 32t machine. Yikes 13gb memory and climbing. That might be its max as its going up and down between 10-13.4gb.



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post #75 of 100 (permalink) Old 05-22-2019, 06:39 PM
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post #76 of 100 (permalink) Old 05-22-2019, 07:05 PM
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About 12:15 to 12:20 per task on my 1950x.
15.1GB of Virtual mem
13.6GB of memory according to BOINCTasks.

Some of the top computers are using CPU only. The top one using 2x RTX 2070s but some others after it are all or mostly CPUs.

Edit: Oh my... trying it on my NV GPUs in Linux. 2-5% GPU utilization. Clock speeds are way down like at stock non-boost and temps are in the upper 30s when they are usually like upper 60s-70s.



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post #77 of 100 (permalink) Old 05-23-2019, 07:48 PM
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I'll be sticking with CPUs for a weekend run of Amicable. 2970WX running 42 threads, completes tasks in an average of 593 seconds, which is nearly 1 million ppd.


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post #78 of 100 (permalink) Old 05-25-2019, 03:45 PM
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Tomorrow is the greatest day in auto racing with the Monaco GP, Indy 500 and Coke 600. Over 1260 miles to be watched tomorrow.

UK BOINC Team is slowly gaining on OCN in Amicable Numbers FB Sprint event at less than 300k between the teams. It'd be great if we could stay in 9th and place in a Sprint event.


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post #79 of 100 (permalink) Old 05-26-2019, 11:04 AM
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That was my fault.
I had to take one of my machines off Amicable yesterday, but it is back up and crunching now. UK BOINC did pass us, but we might be able to catch them in the final four hours. We are currently just 68k behind.


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post #80 of 100 (permalink) Old 05-26-2019, 03:06 PM
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Whew, that sure helped. About a 200k point change in the past couple of hours to end up 151k ahead in 9th.


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