Eli Zaretskii writes: >> From: "H. Dieter Wilhelm" >> Cc: emacs-devel@gnu.org >> Date: Sun, 30 Jan 2022 12:57:04 +0100 >> >> $ rm -r eln-cache/ >> $ date && emacs >> $ date -r latest/eln-cache/file >> >> That worked for me doing a quick check: >> >> I'm curious about the hyperthreading potential on my 4 core Intel laptop >> for doing compilations. And checked Emacs-28.0.91 from Corwin with (setq >> native-comp-async-jobs-number 8) vs 4 jobs. My init.el forces Emacs to >> compile over 200 .eln files and it took about 5'40" with 8 logical >> processors and 7'7" with 4 logical processors. > > How many execution units you actually have there? I think you mean with "execution units" what the task manager calls "cores". This computer has 4 cores and 8 logical processors as you can see in the attached image from it's task manager.