[PATCH] D117853: [ELF] Parallelize --compress-debug-sections=zlib

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

In a large executable I tested, for all shard, compressed divided by uncompressed is smaller than 0.558342. The median is 0.408379.
I have tried 0.25 as initial output size but do not see a memory usage difference.


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