GPU FLOPS: Theory vs Reality

Author	Message
Keith Myers Volunteer tester Send message Joined: 29 Apr 01 Posts: 13164 Credit: 1,160,866,277 RAC: 1,873	Message 2026304 - Posted: 4 Jan 2020, 18:19:47 UTC - in response to Message 2026267. multiprocs refers to the number of SM's a card has. SM = Symmetric Multiprocessor = parallel Computing Unit = CU or what Nvidia calls them. More SM's or more CU's equal greater parallel math performance and the faster our tasks will run. Seti@Home classic workunits:20,676 CPU time:74,226 hours A proud member of the OFA (Old Farts Association) ID: 2026304 ·

Tom M Volunteer tester Send message Joined: 28 Nov 02 Posts: 5126 Credit: 276,046,078 RAC: 462	Message 2026309 - Posted: 4 Jan 2020, 18:37:48 UTC - in response to Message 2026304. multiprocs refers to the number of SM's a card has. SM = Symmetric Multiprocessor = parallel Computing Unit = CU or what Nvidia calls them. More SM's or more CU's equal greater parallel math performance and the faster our tasks will run. Thank you for the clarification. A proud member of the OFA (Old Farts Association). ID: 2026309 ·

Tom M Volunteer tester Send message Joined: 28 Nov 02 Posts: 5126 Credit: 276,046,078 RAC: 462	Message 2026310 - Posted: 4 Jan 2020, 18:39:13 UTC - in response to Message 2026267. I have googled "multiProcs" and for some reason Google hasn't extracted anything. Exactly what is "multiProcs" supposed to represent? ---pause-----google some more and.....----------- I think I see. It appears to be related to the number of parallel processes that a GPU can run? If so, that would be a major descriptive parameter. A higher # implies being able to run more processes in parallel. Since this is the basis for the gpu app speed up over the cpu app processing speed.... Tom Well there you go then, learnt something new. I found the mulitProcs number in the stderr.txt for the workunits either awaiting validated or validated. I thought the higher the number the better the card went lol. Thats why I picked a 1660 super over a 2nd hand 1070 lol. Cheers Mark And Thank you for bringing it up. Just made the change a few minutes ago. Tom A proud member of the OFA (Old Farts Association). ID: 2026310 ·

tazzduke Volunteer tester Send message Joined: 15 Sep 07 Posts: 190 Credit: 28,269,068 RAC: 5	Message 2026355 - Posted: 5 Jan 2020, 0:21:39 UTC - in response to Message 2026310. I have googled "multiProcs" and for some reason Google hasn't extracted anything. Exactly what is "multiProcs" supposed to represent? ---pause-----google some more and.....----------- I think I see. It appears to be related to the number of parallel processes that a GPU can run? If so, that would be a major descriptive parameter. A higher # implies being able to run more processes in parallel. Since this is the basis for the gpu app speed up over the cpu app processing speed.... Tom Well there you go then, learnt something new. I found the mulitProcs number in the stderr.txt for the workunits either awaiting validated or validated. I thought the higher the number the better the card went lol. Thats why I picked a 1660 super over a 2nd hand 1070 lol. Cheers Mark And Thank you for bringing it up. Just made the change a few minutes ago. Tom :-) ID: 2026355 ·

©2025 University of California

SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.