Forum > GPU crunching
CUDA MB V12b for multi-GPU multicore hosts.
glennaxl:
On my GTX295+GTX260(216) Rig, x4 version makes the system sluggish.
Sutaru Tsureku:
I made a test of CUDA_V12b_x4 on my AMD QUAD 940 BE & 4x OCed GTX260-216.
But, the result don't look so well.. :-\
SETI@home/NC subforum/'eFMer Priority' - (CUDA) app priority change [Message 958712]
Raistmer:
--- Quote from: glennaxl on 25 Dec 2009, 12:46:23 pm ---On my GTX295+GTX260(216) Rig, x4 version makes the system sluggish.
--- End quote ---
What about another one? And what about CUDA MB itself performance?
Sluggishness can be anticipated indeed.Priority boost and affinity lock - both these changes can negatively affect GUI and other apps.
But what about performance?
@Jason
Can't say if all builds fail or not. Cause "failed" build passed KNA bench with PG* tasks just OK.
Host experienced random failures:
"-1" computational errors with unspecified kernel launch failure (in pulsefind, always same 106 line), BSoDs, very sluggish behavior...
But all this not directly related to V12b build discussed in this thread so better I will continue my complaints on own 9400GT in another thread :)
P.S. very agreed with your suspiction about PCI-E bus in that host.
Pappa:
@Raistmer It has been running on the 9800GT for over a day. I do see a slight sluggishness while typing. Out of the ~ 120 Result that have been returned ony 6-7 yielded "inconclusize." Less than a half dozen were VLAR and about 6 that were into HAR which it handled nicely.
Without capturing all the data to run an average before and after, generally the numbers look about the same. As AR's are not "exacrly the same." some small variance is seen from WU to WU. This I account to small variation in the AR and what signals are processed. Then one would have to have several days worth of Data to get any real idea of improvement.
The only way I could really think to setup a proper test would be to setup a MB Bench to process a group of MB to keep the CPU's busy and then make like 6 copies (only one AR) of the same Cuda WU in the Cuda Bench then compare Stock, V12, V12b and this one. Then any variance is due to Hardware conflicts/contention for the CPU.
Raistmer:
Yes, I did such test. But I have only 1 GPU installed now - no targed hardware for this build.
And I still don't understand how you manage to process VLARs with it... Could you list some completed VLAR results?
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version