[PATCH] D60609: Use native llvm JSON library for time profiler output

[Takuto Ikuta via Phabricator via llvm-commits]

takuto.ikuta added a comment.

I think it is true that json library is slower than just naive json output.
But this code run one time in a compile and should have relatively few json objects.
So visible performance effect will be low. Taking stats sounds good and I'm surprised if this patch change clang performance match.


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  https://reviews.llvm.org/D60609/new/

https://reviews.llvm.org/D60609