Daily Archives: January 9, 2014

AMD OpenCL on arch linux

 
Due to an old AMD Radeon HD 4890 graphics card, I was forced to use the additional repos xorg112 and catalyst-hd234k to get a working AMD legacy fglrx / X server duo. Till now, clinfo runs fine. However, in order to compile OpenCL applications I installed the amdapp-sdk package from AUR. Afterwards, clinfo and every other OpenCL binary segfaulted instantaneously due to mixed OpenCL versions. Replacing /opt/AMDAPP/SDK/lib/libamdocl64.so with /usr/lib/libamdocl64.so solved this issue.

catalyst-utils: /usr/lib/libamdocl64.so
amdapp-sdk: /opt/AMDAPP/SDK/lib/libamdocl64.so

The GPU load can be monitored using the following command:

aticonfig --adapter=0 --od-getclocks
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