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This repository was archived by the owner on May 29, 2026. It is now read-only.
This repository was archived by the owner on May 29, 2026. It is now read-only.

GcovPlugin: slow processing for large C++ projects #108

Description

@Kobby-Bawuah

A user with a large C++ project (~5,000+ .gcno files) is experiencing ~16 minutes
of processing time during the gcov preparation step of upload, with no log output
during that period.

The same coverage generation completes in ~1 minute using fastcov, which
parallelizes gcov execution.

The gcov plugin currently runs sequentially with no parallelization, and also runs
by default on every upload even when not needed (default plugin list includes gcov).

This was reported by a user testing with both codecov-action v4 and v5.

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