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[Bug tree-optimization/26830] [4.1/4.2 Regression] Insane amount of compile-time / memory needed at -O1 and above
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 27 Mar 2006 07:37:52 -0000
- Subject: [Bug tree-optimization/26830] [4.1/4.2 Regression] Insane amount of compile-time / memory needed at -O1 and above
- References: <bug-26830-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #19 from bonzini at gnu dot org 2006-03-27 07:37 -------
tree copy propagation : 18.58 ( 2%) usr 0.01 ( 0%) sys 18.54 ( 2%) wall
2369 kB ( 0%) ggc
tree PHI insertion : 34.49 ( 4%) usr 0.85 (23%) sys 35.34 ( 4%) wall
758641 kB (79%) ggc
tree SSA rewrite : 43.98 ( 6%) usr 0.02 ( 1%) sys 43.96 ( 6%) wall
10954 kB ( 1%) ggc
dominator optimization: 9.97 ( 1%) usr 0.01 ( 0%) sys 10.01 ( 1%) wall
8694 kB ( 1%) ggc
loop analysis : 10.35 ( 1%) usr 1.21 (33%) sys 11.76 ( 1%) wall
463 kB ( 0%) ggc
global alloc : 404.96 (51%) usr 0.14 ( 4%) sys 405.33 (51%) wall
7244 kB ( 1%) ggc
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26830