At Tue, 16 Mar 2004 07:56:10 +0800, Michael Clark wrote: > Package: libc6 > Version: 2.3.2.ds1-11 > > Did some tests with bonnie++ on 2.6.3 with latest glibc in sid and > noticed per char IO is dreadfully slow. Remember a thread months > back about this on LKML: http://kerneltrap.org/node/view/1574 > > Here are the relevant benchmarks run with glibc-2.3.2.ds1-11 > (using LD_ASSUME_KERNEL=2.4.1 to disable NPTL). > > Version 1.03 ------Sequential Output------ --Sequential Input- --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP > 2.6.3 NPTL 1G 3313 95 16808 8 5619 3 3291 93 16130 2 74.1 0 > 2.6.3 LxThreads 1G 11562 92 17384 8 6155 2 11370 81 15846 2 65.1 0 > 2.6.3 NPTL-fixed 1G 10695 78 18139 10 5399 3 12534 86 16298 3 73.7 0 > > Fix for this was in glibc CVS and have included a patch (tested).
OK, I've put it in. I believe this patch does not affect any changes except for performance issue. Regards, -- gotom -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
