On Mon, May 7, 2012 at 8:43 AM, Jim Meyering <jim@xxxxxxxxxxxx> wrote: > Today I noticed that some tests from coreutils' test suite > were taking far longer than they used to on rawhide. > For example, run this command in an empty directory: > > seq 200000|env time xargs touch > > it takes < 5s on F17 3.3.4-1.fc17.x86_64 ext4/sdb8/SSD, yet > it takes 47s on rawhide 3.4.0-0.rc5.git5.1.fc18.x86_64 ext4/vda1/SSD > > 10x performance hit... ouch. > > Does anyone know why? Rawhide has all the kernel debug options turned on. It isn't worthwhile doing a comparison when those are enabled. You could try again with the first -rc6 build that shows up, as that will have the options disabled. josh -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
