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[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Nov 2004 17:50:19 -0000
- Subject: [Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance
- References: <20030710140519.11488.falk@debian.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-06 17:50 -------
New timings from the mainline for PPC:
[zhivago:~/src/localgccPRs] pinskia% ~/local/bin/gcc -O2 pr11488.c -fno-schedule-insns[zhivago:~/
src/localgccPRs] pinskia% time ./a.out1.300u 0.010s 0:01.34 97.7% 0+0k 0+0io 0pf+0w[zhivago:~/
src/localgccPRs] pinskia% ~/local/bin/gcc -O2 pr11488.c
[zhivago:~/src/localgccPRs] pinskia% time ./a.out
4.060u 0.020s 0:04.16 98.0% 0+0k 0+0io 0pf+0w
--
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2004-03-01 06:08:10 |2004-11-06 17:50:18
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488