On Wed, 08/23 16:52, Fam Zheng wrote: > On Wed, 08/23 10:35, Thomas Huth wrote: > > Is it safe nowadays to run "make check -j4" for example? Last time I > > tried (maybe 1 or 2 years ago), there were still issues since some tests > > were using hard-coded temporary file names, so the parallel tests were > > disturbing each other, for example... > > We really should fix them. > > Last year I wanted to get some speed up in patchew's "make check" jobs so I > tried this: > > https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07713.html > > On my laptop it can save 50% time as shown in the commit message, > unfortunately > the patch didn't get enough traction, and I've since then rarely used -j in > "make check" command lines (what?!).
Spoke too soon, I forgot my git-publish hook has been doing "make check -j8" on all patches I post, and it seems to work well. Fam