On Wed, Apr 14, 2010 at 11:51 AM, Andriy Gapon <a...@freebsd.org> wrote:
> on 14/04/2010 19:45 Adam Vande More said the following: > > > > also if I run cpuset on the dgemm then the utilization is basically at > > the theoretical max for one core so at least that part is working. > > You can also try procstat -t <pid> to find out thread IDs and cpuset -t to > pin the > threads to the cores. > it gets to around 90% doing that. time : 103.617271 or 27.140992 Mflops : 47172.925449 n: 4100 time : 113.910669 or 30.520677 Mflops : 45174.496186 n: 4200 time : 121.880695 or 32.068070 Mflops : 46217.711013 n: 4300 tried a couple of different thread orders but didn't seem to make a difference. galacticdominator% procstat -t 1922 PID TID COMM TDNAME CPU PRI STATE WCHAN 1922 100092 dgemm initial thread 0 190 run - 1922 100268 dgemm - 1 190 run - 1922 100270 dgemm - 1 191 run - 1922 100272 dgemm - 3 190 run - 1922 100273 dgemm - 2 191 run - 1922 100274 dgemm - 2 191 run - 1922 100282 dgemm - 0 190 run - 1922 100283 dgemm - 3 190 run - galacticdominator% cpuset -t 100092 -l 0 galacticdominator% cpuset -t 100268 -l 1 galacticdominator% cpuset -t 100270 -l 2 galacticdominator% cpuset -t 100272 -l 3 galacticdominator% cpuset -t 100273 -l 0 galacticdominator% cpuset -t 100274 -l 1 galacticdominator% cpuset -t 100282 -l 2 galacticdominator% cpuset -t 100283 -l 3 galacticdominator% cpuset -t 100092 -l 0 galacticdominator% cpuset -t 100268 -l 0 galacticdominator% cpuset -t 100270 -l 1 galacticdominator% cpuset -t 100272 -l 1 galacticdominator% cpuset -t 100273 -l 2 galacticdominator% cpuset -t 100274 -l 2 galacticdominator% cpuset -t 100282 -l 3 galacticdominator% cpuset -t 100283 -l 3 This is from the second set: time : 150.348850 or 40.488350 Mflops : 45022.951141 n: 4600 time : 161.968982 or 43.589618 Mflops : 44669.884500 n: 4700 Since this is a full fledged desktop environment, 90% utilization seems pretty good. I'm no expert Andriy, but it seems like if gotoblas implemented some of the FreeBSD optimizations then we'd be in the same ballpark. -- Adam Vande More _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
