Consumes too much time

[theextractor]

Question
I used stryker-mutator/karma-runner:^8.7.1 to run the mutation test in my angular14 project.

It took 2.5 hours to run the mutation test on 100 files with around 2.5k mutants. I ran it in my local machine with 4 concurrent processors. Is it normal? Do we have any recommendations to improve this? Ideally, I would want to bring this down to less than 10 minutes. Any suggestions?

[bartekleon]

Usually stryker execution time is strictly related to how long your unit tests take, as mutation testing is basically running your unit tests a lot.
You could try disabling some files / mutants https://stryker-mutator.io/docs/stryker-js/disable-mutants/
You could also try using incremental testing https://stryker-mutator.io/docs/stryker-js/incremental/