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From: "markus at trippelsdorf dot de" <sourceware-bugzilla@sourceware.org> To: glibc-bugs@sources.redhat.com Subject: [Bug math/14412] New: Removal of sysdeps/x86_64/fpu/s_sincos.S causes pdf rendering time regression Date: Thu, 26 Jul 2012 21:08:00 -0000 [thread overview] Message-ID: <bug-14412-131@http.sourceware.org/bugzilla/> (raw) http://sourceware.org/bugzilla/show_bug.cgi?id=14412 Bug #: 14412 Summary: Removal of sysdeps/x86_64/fpu/s_sincos.S causes pdf rendering time regression Product: glibc Version: 2.16 Status: NEW Severity: normal Priority: P2 Component: math AssignedTo: unassigned@sourceware.org ReportedBy: markus@trippelsdorf.de Classification: Unclassified The removal of sysdeps/x86_64/fpu/s_sincos.S more than doubles the time it takes to render a particular pdf testpage with Okular. commit b35fe25ed9b3b406754fe681b1785f330d9faf62 Author: Andreas Jaeger <aj@suse.de> Date: Wed Mar 7 14:51:39 2012 +0100 [BZ #13658] * sysdeps/x86_64/fpu/s_sincos.S: Delete. * math/libm-test.inc (sincos_test): Add test for large input. See the following poppler bug: https://bugs.freedesktop.org/show_bug.cgi?id=52551 With glibc-2.16 it takes ~1 minute to open that page: # Overhead Command Shared Object Symbol 35.90% okular libm-2.16.so [.] feraiseexcept 12.30% okular libm-2.16.so [.] __sin 9.03% okular libm-2.16.so [.] __cos 5.01% okular libpoppler.so.26.0.0 [.] void std::__introsort_loop<SplashIntersect*, long, cmpIntersectFunctor>(SplashIntersect*, SplashInt ersect*, long, cmpIntersectFunctor) 2.80% okular libpoppler.so.26.0.0 [.] SplashXPathScanner::computeIntersections() Before commit b35fe25ed9b3b40 it only takes 24 seconds: # Overhead Command Shared Object Symbol 24.09% okular libm.so [.] __sincos 10.42% okular libpoppler.so.26.0.0 [.] SplashIntersect* std::__unguarded_partition<SplashIntersect*, SplashIntersect, cmpIntersectFunc tor>(SplashIntersect*, SplashIntersect*, SplashIntersect const&, cmpIntersectFunctor) 5.73% okular libpoppler.so.26.0.0 [.] SplashXPathScanner::computeIntersections() -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
next reply other threads:[~2012-07-26 21:08 UTC|newest] Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-07-26 21:08 markus at trippelsdorf dot de [this message] 2012-07-26 21:09 ` [Bug math/14412] " markus at trippelsdorf dot de 2012-07-26 21:14 ` markus at trippelsdorf dot de 2012-07-27 6:44 ` aj at suse dot de 2012-07-27 7:18 ` markus at trippelsdorf dot de 2012-07-27 12:33 ` markus at trippelsdorf dot de 2012-07-28 22:15 ` bugdal at aerifal dot cx 2012-08-03 3:51 ` carlos_odonell at mentor dot com 2012-08-09 10:14 ` markus at trippelsdorf dot de 2012-08-19 9:31 ` markus at trippelsdorf dot de 2012-08-19 9:37 ` [Bug math/14412] Removal of sysdeps/x86_64/fpu/s_sincos.S causes regressions markus at trippelsdorf dot de 2012-12-03 22:13 ` davem at davemloft dot net 2012-12-04 0:00 ` carlos at systemhalted dot org 2013-04-25 21:48 ` wbrana at gmail dot com 2013-04-25 23:35 ` carlos at redhat dot com 2013-04-25 23:58 ` bugdal at aerifal dot cx 2013-04-26 0:14 ` bugdal at aerifal dot cx 2013-04-26 2:55 ` siddhesh at redhat dot com 2013-04-26 3:08 ` bugdal at aerifal dot cx 2013-04-26 3:50 ` siddhesh at redhat dot com 2013-04-26 6:29 ` markus at trippelsdorf dot de 2013-04-26 6:40 ` jakub at redhat dot com 2013-04-26 10:00 ` siddhesh at redhat dot com 2013-04-26 11:31 ` joseph at codesourcery dot com 2013-04-26 11:33 ` joseph at codesourcery dot com 2013-04-26 11:42 ` siddhesh at redhat dot com 2013-04-26 13:52 ` bugdal at aerifal dot cx 2013-04-26 13:55 ` bugdal at aerifal dot cx 2013-04-26 15:07 ` joseph at codesourcery dot com 2013-04-26 15:20 ` wbrana at gmail dot com 2013-04-29 10:29 ` siddhesh at redhat dot com 2013-04-29 10:50 ` wbrana at gmail dot com 2013-04-29 11:55 ` bugdal at aerifal dot cx 2013-04-29 12:32 ` wbrana at gmail dot com 2013-04-29 13:21 ` Ondřej Bílka 2013-04-29 13:21 ` neleai at seznam dot cz 2013-04-29 13:28 ` bugdal at aerifal dot cx 2013-04-29 14:04 ` Ondřej Bílka 2013-04-29 13:32 ` bugdal at aerifal dot cx 2013-04-29 13:36 ` wbrana at gmail dot com 2013-04-29 13:44 ` siddhesh at redhat dot com 2013-04-29 13:51 ` bugdal at aerifal dot cx 2013-04-29 14:04 ` neleai at seznam dot cz 2013-04-29 14:19 ` siddhesh at redhat dot com 2013-04-29 14:29 ` markus at trippelsdorf dot de 2013-04-29 14:48 ` bugdal at aerifal dot cx 2013-04-29 16:29 ` Ondřej Bílka 2013-04-29 16:29 ` neleai at seznam dot cz 2013-04-29 17:30 ` bugdal at aerifal dot cx 2013-04-29 20:58 ` joseph at codesourcery dot com 2013-04-30 5:41 ` siddhesh at redhat dot com 2013-04-30 21:37 ` bugdal at aerifal dot cx 2013-05-01 22:25 ` bugdal at aerifal dot cx 2013-07-16 20:08 ` nshmyrev at yandex dot ru 2013-09-07 6:55 ` carlos at redhat dot com 2014-02-06 18:31 ` jsm28 at gcc dot gnu.org 2014-06-17 18:55 ` fweimer at redhat dot com
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