In the #curl project, we spend 3.3 days/day on running tests - around 140,000 tests per commit/PR. In addition to what every developer runs in their own systems of course.

Our test failure rate in CI jobs is at 0.004%, which is annoyingly high when running this many tests.

Data from Dan Fandrich's curl up 2024 talk: youtube.com/watch?v=TxNdAm845T…

#curl