site_archiver@lists.apple.com Delivered-To: darwin-dev@lists.apple.com On Aug 27, 2009, at 2:49 AM, Greg Parker wrote: Is there anything in the stats below that can hint at slowness? Thanks, Joel --- [1] Firefox dyld stats [2] Safari dyld stats --- fastest mac firefox! http://wagerlabs.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.appl... DYLD_PRINT_STATISTICS may also be useful in identifying where your startup time is going. I have the stats for Firefox [1] and Safari [2], using the dyld shared cache. I don't know if I'm reading this correctly but it seems that Firefox goes through dyld more than twice as fast as Safari! total time: 49.1 milliseconds (100.0%) total images loaded: 106 (93 from dyld shared cache, 56 needed no fixups) total segments mapped: 49, into 5903 pages with 684 pages pre-fetched total images loading time: 9.5 milliseconds (19.4%) total rebase fixups: 149,011 total rebase fixups time: 4.1 milliseconds (8.4%) total binding fixups: 24,932 total binding symbol lookups: 797, average images searched per symbol: 2.3 total binding fixups time: 4.3 milliseconds (8.7%) total bindings lazily fixed up: 45 of 19,109 total init time time: 31.1 milliseconds (63.3%) total images with weak exports: 3 total time: 105.3 milliseconds (100.0%) total images loaded: 116 (114 from dyld shared cache, 114 needed no fixups) total segments mapped: 5, into 30 pages with 10 pages pre-fetched total images loading time: 3.6 milliseconds (3.4%) total rebase fixups: 1,298 total rebase fixups time: 0.1 milliseconds (0.0%) total binding fixups: 2,476 total binding symbol lookups: 234, average images searched per symbol: 1.6 total binding fixups time: 6.3 milliseconds (6.0%) total bindings lazily fixed up: 3 of 901 total init time time: 95.2 milliseconds (90.4%) total images with weak exports: 1 This email sent to site_archiver@lists.apple.com