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Big slowdown of OpenCL programs in Radeon 6970 with sprofile

Question asked by tuansnu on Jan 22, 2014
Latest reply on Feb 5, 2014 by prao



I have a Radeon 6970 and running some OpenCL applications (under Linux). Things went fine but when I tried to profile a program using sprofile, it is slowed down 15 times (from 60seconds to 900 seconds!). It is the same even I profile only one event (performance counter).

I used profiler version 2.5. I think I used Catalyst 13.11 beta but I'm not so sure because I don't know which way to check this information.


Any help would be appreciated