Date: Thu, 28 Aug 2003 08:29:32 +0800 From: David Xu <davidxu@FreeBSD.org> To: Daniel Eischen <eischen@vigrid.com> Cc: threads@FreeBSD.org Subject: Re: Call for thread testers Message-ID: <200308280829.32757.davidxu@FreeBSD.org> In-Reply-To: <Pine.GSO.4.10.10308271953550.9892-100000@pcnet5.pcnet.com> References: <Pine.GSO.4.10.10308271953550.9892-100000@pcnet5.pcnet.com>
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On Thursday 28 August 2003 07:57, Daniel Eischen wrote: > Yes, perhaps my kernel was a bit out of date. I also had > forgotten I had libc_r mapped to libkse with libmap.conf, > so the libc_r tests were actually using libkse! I re-ran > the tests on a different box, single PIII 800MHz, 512MB RAM. > They look better, although libthr still doesn't give consistent > results. > > Run 1 Run 2 Run 3 > ----------------------------------------------------------- > libc_r real 0m13.739s 0m13.739s 0m13.882s > user 0m3.330s 0m3.302s 0m3.394s > sys 0m9.858s 0m9.893s 0m9.820s > ----------------------------------------------------------- > libkse(M:N) real 0m11.977s 0m12.199s 0m12.097s > user 0m3.248s 0m3.081s 0m2.857s > sys 0m8.190s 0m8.517s 0m8.575s > ----------------------------------------------------------- > libkse(1:1) real 0m11.972s 0m12.044s 0m12.035s > user 0m3.198s 0m2.980s 0m3.183s > sys 0m8.244s 0m8.480s 0m8.282s > ----------------------------------------------------------- > libthr real 0m34.180s 0m16.193s 0m34.119s > user 0m5.075s 0m3.874s 0m5.255s > sys 0m28.286s 0m11.626s 0m28.038s > ----------------------------------------------------------- > > libkse(1:1) and libkse(M:N) are about equal, and slightly > better than libc_r. I can't explain libthr results. Use a kernel without witness compiled in, libthr should be faster than this result. But I always can not finish this test for libthr on my SMP machine, in most time, it will deadlock, so I can not give you a reliable result. David Xu
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