Optimize raycast occlusion culling #101113
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This helps the compiler (gcc at least) to vectorize this loop, which then leads to the compiler emiting packed loads for the vectors. This leads to a modest but measurable improvement in mspf for the TPS demo.
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This helps the compiler (gcc at least) to vectorize this loop, which then leads to the compiler emiting packed loads for the vectors.
This leads to a modest but measurable improvement in mspf for the TPS demo.
This is still a draft as I'm still noodling with it, some of the extra alignments aren't actually necessary I think.
But basically I have discovered the wonders of gcc's
-fopt-info-vec-alland it is a lot of fun to see the improvements in objdump as it complains less!