Hi! ----
[Please keep [EMAIL PROTECTED] in the CC: field for AST-related topics since not all people there are subscribed to all other opensolaris-org lists, too] Jens Elkner wrote: > On Wed, Oct 31, 2007 at 06:20:02AM +0100, Roland Mainz wrote: > > Jens Elkner wrote: > > [CC:'ing [EMAIL PROTECTED] since libast belongs > > to this project] > > > > > > regex.c RegexTest.java MHz > > > Solaris sparc 13.12u 0.01s 0:13.17 99.6% 5569 ms 1503 > > > Solaris x86 6.28u 0.00s 0:06.29 99.8% 2571 ms 2813 > > > Linux i686 0.704u 0.004s 0:00.70 100.0% 5587 ms > > > 2079.593 > > > > 1. Which locale do you use ? > > LC_CTYPE is set to en_US and LC_LANG/LC_ALL are unset. So I assume > 'en_US'. What about trying 1. LC_ALL=C (single-byte locale) 2. LC_ALL=en_US.UTF-8 (multibyte locale) Benchmarks for both singlebyte and multibyte locales would be interesting since they use slightly different codepaths and may perform differently for some patterns. > > 2. Starting with Solaris 11/B72 there is libast.so.1 which comes with an > > own set of pattern matching functions. It may be nice to check how these > > functions perform compared to the "normal" Solaris functions in libc. > > Well, have no machine with B72. So I tried to build > ast-ast.2007-06-28.tgz, but that fails under Solaris (must admit, that I > never understood the mamake magic to be able to troubleshoot). What was the build failure ? > Anyway, > it builts on Linux and thus I've a number for the same test: > > Linux (libast) 24.269u 0.160s 0:24.49 99.7% > (gcc -O5 regex.c -L /export/scratch/build/ast/arch/linux.i386/lib -last) Erm, you have to add the libast includes, too - otherwise it may not use the libast regex functions... > So I guess, it wouldn't be an improvement on Solaris, too. Are you sure it used the libast regex functions ? ---- Bye, Roland -- __ . . __ (o.\ \/ /.o) [EMAIL PROTECTED] \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 7950090 (;O/ \/ \O;) _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org
