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cmd/compile: go1.7beta2 performance regression (floats and arrays) #16187
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Try some float32 heavy code with arrays on 1.7beta2, saw a problem and reduced it to a self contained example:
go get github.com/taruti/float_degradation
1.7beta2 producing as good or better code than 1.6
At least related probably.
I think that array zeroing is here not the fault, most time is spent in
This code is simplified from machine generated code.