Hi Frank, I tracked down the problem. The way the superbuild was calling ./configure for mesa was causing the default -O2 flags set by mesa's ./configure to get dropped, thus resulting in an unoptimized mesa build. I just merged a fix for both issues into the superbuild.
---------- Chuck Atkins Staff R&D Engineer, Scientific Computing Kitware, Inc. On Fri, Oct 7, 2016 at 4:39 PM, Chuck Atkins <chuck.atk...@kitware.com> wrote: > which are not copied into the archive when packing the binaries using: >>> “ctest -V -R cpack-paraviewsdk-TGZ” >>> >> >> This should have been fixed a while ago. I'll try to reproduce it and >> make sure the packaging is correct. >> > > I see the same problem. I have a fix for the packaging and will get it up > shortly. It probably won't make it for the RC tonight but it will be fixed > before the release. > > > 4. Compared to the ParaView v5.1.2 binary for Linux, the compiled >>> version with mesa v12.0.3 is substantially slower than with the OpenSWR >>> version shipped with the binary. >>> >> That certainly should not be the case. >> > > The good news is that I was just able to reproduce the problem. Even > better I could isolate it to the mesa build from the superbuild. Swapping > out the mesa libs in the release binary on the web site, on a single > 14-Core Haswell CPU I see a difference of 25MiPolys / sec with the > superbuild libraries vs 118MiPolys / sec with the website binaries. > That's roughly a 4.5x performance difference, i.e. not good. I don't know > yet if it's a mesa problem or how we build it. I'll dig deeper and let you > know. > > Thanks for the bug! > > - Chuck >
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