So one of the assumptions in nom's design is branch prediction will be mostly ok.But could it parse stuff while deferring branches to later?
Probably room for speedup w. branchless even if it increases code size slightly. Worth a shot!
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I might try my hand at the "tag" combinator first (recognizes a specific string) by reusing crypto constant time compare code (branchless)
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Also, possible to measure rates of branch (mis) prediction: http://valgrind.org/docs/manual/cg-manual.html …
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