Taylor R Campbell <campbell+netbsd-tech-k...@mumble.net> wrote: > Date: Mon, 7 Apr 2014 16:44:47 +0100 > From: Mindaugas Rasiukevicius <rm...@netbsd.org> > > One concern though: can you benchmark ./build.sh on a machine with 8 or > more CPUs? I fear that vcache.lock might be a bit contended and we > ought to figure out how much. If the contention is not significant, it > should be fine for now. > > I can do this if you really want, but I doubt it'll make a difference > unless your src and obj trees are spread across multiple different > types of file systems, because currently for ufs, ufs_ihashlock and > ufs_hashlock are just as contended as vcache.lock would be.
Should be fine, but once tmpfs is switched to use vcache, it might become a little bit more visible for some workloads.. -- Mindaugas