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gccflags.py --flags-histogram meaning #140

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TimHuDi opened this issue Feb 21, 2020 · 1 comment
Open

gccflags.py --flags-histogram meaning #140

TimHuDi opened this issue Feb 21, 2020 · 1 comment

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@TimHuDi
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TimHuDi commented Feb 21, 2020

I want to figure out the meaning of --flags-histogram,but cannot get it from the source code.
@jansel
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jansel commented Feb 24, 2020

It is for debugging/analysis. It prints out the top 20 flags most commonly used in the final (best) configurations over past training runs. So if you train a single program say 30 times, you can figure out which flags occur most commonly in the winning config.

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