[osg-users] [build] OSG 3.4.0 Build with Visual C++ 2015

Sebastian Messerschmidt sebastian.messerschmidt at gmx.de
Mon Apr 18 08:23:12 PDT 2016


Am 18.04.2016 um 15:56 schrieb Stuart Mentzer:
> Thanks Sebastian.
>
> Good reminder about /arch:AVX2. I can post a separate binary package built with this for people with newer CPUs if it shows a good performance gain.
Ok. Be aware not all modern CPUs support this though.
>
> I'll also experiment with /fp:fast and see what the performance gain is, but it sounds like it might not be a good idea for an OSG distribution package.
>
> I'll try to get the Intel C++ builds working and I'll report back if I have any interesting findings. The docs claim binary compatibility with VC++ 2015 with /Qvc14. If there is interest in the CMake additions to support Intel C++ I can push them to a GitHub branch.
Ok, I wasn't aware of this. Maybe it is a newer feature. Keep us posted.
>
> If anyone can point me to good performance benchmarks that would be helpful in sorting out the VC++ and Intel C++ options and performance.
You won't find something like this, at least not for what you are after. 
When it comes to OSG we propably have to do this ourselves.
>
> Thanks,
> Stuart

Cheers
Sebastian
>
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> http://forum.openscenegraph.org/viewtopic.php?p=66861#66861
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