[PATCH] D59277: Speeding up llvm-cov with multithreaded renderFiles.

[Sajjad Mirza via Phabricator via llvm-commits]

sajjadm created this revision.
sajjadm added a reviewer: Dor1s.
Herald added subscribers: llvm-commits, jdoerfert, mgrang.
Herald added a project: LLVM.

CoverageExporterJson::renderFiles accounts for most of the
execution time given a large profdata file with multiple binaries.

Proposed solution is to generate JSON for each file in parallel and
sort at the end to preserve deterministic output.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D59277

Files:
  llvm/tools/llvm-cov/CodeCoverage.cpp
  llvm/tools/llvm-cov/CoverageExporterJson.cpp
  llvm/tools/llvm-cov/CoverageViewOptions.h

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