Depending on the repo, between 3-4 minutes and 3 hours. Fast is some quick checks that the repo builds, slow is an FPGA synthesis and place/route. None of them

Depending on the repo, between 3-4 minutes and 3 hours. Fast is some quick checks that the repo builds, slow is an FPGA synthesis and place/route. None of them are particularly large in term of LOC. Probably the slowest part of the process on the non-FPGA builds is installing python packages.