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2.4V updated apps.

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Raistmer:
2 msattler
Yes, this testbench uses only 1 core. My question is : is any test-bench exist to correctly test full-cores-load run times?
AFAIK conroe has common L2 cache for cores so real situation for app when it runs in parrallel on all available cores quite different from single core run.
It's interesting to compare full-load run-times on Core2 Duo/Quadro with Athlon 64 X2 version IMHO.

2 SkOrPn I don't use any graphic or screensaver so cant give any help/comments on your situation, sorry.

msattler:

--- Quote from: Raistmer on 03 Sep 2007, 05:43:08 pm ---Yes, this testbench uses only 1 core. My question is : is any test-bench exist to correctly test full-cores-load run times?
AFAIK conroe has common L2 cache for cores so real situation for app when it runs in parrallel on all available cores quite different from single core run.
It's interesting to compare full-load run-times on Core2 Duo/Quadro with Athlon 64 X2 version IMHO.


--- End quote ---

Interesting point, but I don't know if it's ever been done.  You would have to get each app to run on all four cores at the same time.  I have no idea if some versions would react differently to sharing the L2 cache than others, but I think the app that tests the best on a single core would still be the best to use running on all four.

Idefix:

--- Quote from: Crunch3r on 03 Sep 2007, 01:11:08 pm ---I know, i fixed that one  2 hours ago.
--- End quote ---

Many thanks  :)

Regards,
Carsten

Josef W. Segur:

--- Quote from: Raistmer on 03 Sep 2007, 05:43:08 pm ---...
is any test-bench exist to correctly test full-cores-load run times?
--- End quote ---

When running more than one application instance, there is contention for resources. To test all the possible scenarios of different WU angle ranges, offsets of start time, etc. simply would have too many variable effects to permit repeatable tests. That's why the test program shuts down the BOINC service if it's running and does everything on one core.

I don't say a multiple test is impossible, but the amount of time spent testing many scenarios would be more than we can expect volunteer testers to contribute.
                                                            Joe

msattler:

--- Quote from: Josef W. Segur on 03 Sep 2007, 08:42:50 pm ---
--- Quote from: Raistmer on 03 Sep 2007, 05:43:08 pm ---...
is any test-bench exist to correctly test full-cores-load run times?
--- End quote ---

When running more than one application instance, there is contention for resources. To test all the possible scenarios of different WU angle ranges, offsets of start time, etc. simply would have too many variable effects to permit repeatable tests. That's why the test program shuts down the BOINC service if it's running and does everything on one core.

I don't say a multiple test is impossible, but the amount of time spent testing many scenarios would be more than we can expect volunteer testers to contribute.
                                                            Joe

--- End quote ---

If there were a way to test the same app on 2 cores or 4 cores simultaneously, I wouldn't mind knowing if it can be done and trying it..............would it be a hard thing to modify the knabench script to do it,  or really just not worth the bother?

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