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Before, we would only do scheduling after register allocation if we spilled, despite the fact that the pre-RA scheduler was only supposed to be for register pressure and set the latencies of every instruction to 1. This meant that unless we spilled, which we rarely do, then we never considered instruction latencies at all, and we usually never bothered to try and hide texture fetch latency. Although a later commit removes the setting the latency to 1 part, we still want to always run the post-RA scheduler since it's able to take the false dependencies that the register allocator creates into account, and it can be more aggressive than the pre-RA scheduler since it doesn't have to worry about register pressure at all. Test master post-ra-sched diff %diff bench_OglPSBump2 396.730 402.386 5.656 +1.400% bench_OglPSBump8 244.370 247.591 3.221 +1.300% bench_OglPSPhong 241.117 242.002 0.885 +0.300% bench_OglPSPom 59.555 59.725 0.170 +0.200% bench_OglShMapPcf 86.149 102.346 16.197 +18.800% bench_OglVSTangent 388.849 395.489 6.640 +1.700% bench_trex 65.471 65.862 0.390 +0.500% bench_trexoff 69.562 70.150 0.588 +0.800% bench_heaven 25.179 25.254 0.074 +0.200% Reviewed-by: Jason Ekstrand <jasoan.ekstrand@intel.com> |
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| autogen.sh | ||
| CleanSpec.mk | ||
| common.py | ||
| configure.ac | ||
| install-gallium-links.mk | ||
| install-lib-links.mk | ||
| Makefile.am | ||
| SConstruct | ||
| VERSION | ||
File: docs/README.WIN32 Last updated: 21 June 2013 Quick Start ----- ----- Windows drivers are build with SCons. Makefiles or Visual Studio projects are no longer shipped or supported. Run scons libgl-gdi to build gallium based GDI driver. This will work both with MSVS or Mingw. Windows Drivers ------- ------- At this time, only the gallium GDI driver is known to work. Source code also exists in the tree for other drivers in src/mesa/drivers/windows, but the status of this code is unknown. Recipe ------ Building on windows requires several open-source packages. These are steps that work as of this writing. - install python 2.7 - install scons (latest) - install mingw, flex, and bison - install pywin32 from here: http://www.lfd.uci.edu/~gohlke/pythonlibs get pywin32-218.4.win-amd64-py2.7.exe - install git - download mesa from git see http://www.mesa3d.org/repository.html - run scons General ------- After building, you can copy the above DLL files to a place in your PATH such as $SystemRoot/SYSTEM32. If you don't like putting things in a system directory, place them in the same directory as the executable(s). Be careful about accidentially overwriting files of the same name in the SYSTEM32 directory. The DLL files are built so that the external entry points use the stdcall calling convention. Static LIB files are not built. The LIB files that are built with are the linker import files associated with the DLL files. The si-glu sources are used to build the GLU libs. This was done mainly to get the better tessellator code. If you have a Windows-related build problem or question, please post to the mesa-dev or mesa-users list.