See my revised comment above. Yes, GCC is much slower at compiling p7zip on x64 laptops specifically because it is apparently triggering thermal throttling, on

See my revised comment above. Yes, GCC is much slower at compiling p7zip on x64 laptops specifically because it is apparently triggering thermal throttling, on both Intel or AMD. It builds much faster on my old Xeon where thermal throttling is much less of an issue, and of course on the M1s.