This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/18687] [4.0/4.1 Regression] ~50% compile time regression
- From: "belyshev at depni dot sinp dot msu dot ru" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Aug 2005 16:10:26 -0000
- Subject: [Bug tree-optimization/18687] [4.0/4.1 Regression] ~50% compile time regression
- References: <20041127043006.18687.belyshev@depni.sinp.msu.ru>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From belyshev at depni dot sinp dot msu dot ru 2005-08-17 16:10 -------
3.4.5 4.0.2 4.1.0 3.4->4.0 (%) 4.0->4.1 (%)
hashes100.c:
O0 1.56 1.59 1.57 2.2 -1.4
O1 2.54 4.23 4.49 66. 6.1
O2 4.43 6.29 6.56 42. 4.4
O3 4.74 6.33 6.66 34. 5.1
infcodes100.c:
O0 3.21 3.69 3.67 15. -0.64
O1 4.68 7.06 7.72 51. 9.3
O2 8.01 9.84 10.86 23. 10.
O3 8.45 9.94 10.95 18. 10.
Note this is a different machine than in my previous comments (2GHz k8 with
1024K of L2 cache in 64bit mode, previous was 1GHz k7 with 64K of L2).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687