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Scaevolus
on April 24, 2013
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Introduction to AVX2 optimizations in x264
In terms of mangling, it reorders your vector operations, which can drastically hurt performance.
Do any production compilers schedule instructions to maximize superscalar performance?
kevinnk
on April 24, 2013
[–]
Um, unless I misunderstand your question, virtually all of them do. In particular, GCC, Clang/LLVM and ICC all do instruction scheduling.
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Do any production compilers schedule instructions to maximize superscalar performance?