Re: [hwloc-users] Reporting an operating system warning

2017-01-03 Thread Johannes Goller
Definitely! I am using version 3.0 (the latest) of this SKD: http://developer.amd.com/tools-and-sdks/opencl-zone/amd-accelerated-parallel-processing-app-sdk/ This, as far as I can tell, is a standard way to get opencl.so, which I need to link to in order to use OpenCL. What I made was a command

Re: [hwloc-users] Reporting an operating system warning

2017-01-03 Thread Johannes Goller
Thanks again! Yes, I did get warnings, but -- now that I am taking a closer look -- I can see that the warning is different. It complains about L2 cache: * hwloc 1.11.0 has encountered what looks like an error from the

Re: [hwloc-users] Reporting an operating system warning

2017-01-03 Thread Brice Goglin
Thanks Surprisingly, I don't see any L1i in the XML output either. Did you get warnings during this run "HWLOC_COMPONENTS=x86 lstopo foo.xml" ? Indeed, you (very likely) don't care about that warning in the AMD SDK. Pass HWLOC_HIDE_ERRORS=1 in the environment to silence it. Brice Le

Re: [hwloc-users] Reporting an operating system warning

2017-01-02 Thread Johannes Goller
Hi Brice, thank you very much for looking into this! I am attaching the generated foo.xml. I actually came across this error message when trying to play with OpenCL, using the AMD SDK API. My main interest is in getting that to work on the GPU, and that might still work on my current kernel

Re: [hwloc-users] Reporting an operating system warning

2017-01-02 Thread Brice Goglin
Hello Johannes I think there are two bugs here. First one is that each "dual-core compute unit" is reported as a single core with two hardware threads. That's a kernel bug that appeared in 4.6. There's a fix at https://lkml.org/lkml/2016/11/29/852 but I don't think it has been applied yet. The