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From: "lothar at tradescape dot biz" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/36861] [4.3 Regression] boost's compressed avl confuses GCC Date: Mon, 28 Jul 2008 18:56:00 -0000 [thread overview] Message-ID: <20080728185551.2616.qmail@sourceware.org> (raw) In-Reply-To: <bug-36861-11487@http.gcc.gnu.org/bugzilla/> ------- Comment #19 from lothar at tradescape dot biz 2008-07-28 18:55 ------- Created an attachment (id=15973) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15973&action=view) oprofile logs I compiled optimized executables with and without -fno-strict-aliasing and generated an oprofile log for them: /opt2/linux/ix86/bin/g++-4.3.1 -m64 -O3 -no-strict-aliasing -g -I/opt2/linux/x86_64/include/boost-1_35 -DUSE_OPTIMIZATION=0 -o ./avltest-non ./avltest.cpp /opt2/linux/ix86/bin/g++-4.3.1 -m64 -O3 -fno-strict-aliasing -g -I/opt2/linux/x86_64/include/boost-1_35 -DUSE_OPTIMIZATION=0 -o ./avltest-non ./avltest.cpp sudo opcontrol --reset; sudo opcontrol --start; ./avltest-no; ./avltest-non ; sudo opcontrol --stop opannotate --source --assembly --demangle=smart --threshold=1 ./avltest-no >./avltest-no.oprofile.txt opannotate --source --assembly --demangle=smart --threshold=1 ./avltest-non >./avltest-non.oprofile.txt diff -u ./avltest-no.oprofile.txt ./avltest-non.oprofile.txt ./avltest-diff.oprofile.txt $ time ./avltest-non sizeof(Node)=72 sizeof(NodeSet)=40 creating file ./avltest.img done region.get_address()=0x7f4d43ed1000 region.get_size()=3600056 p_set=0x7f4d43ed1000 p_values=0x7f4d43ed1030 created/inserted 50000 entries region.get_address()=0x7f4d43b62000 region.get_size()=3600056 p_set=0x7f4d43b62000 p_values=0x7f4d43b62030 checked 50000 entries, result=1249975000 real 0m0.614s user 0m0.140s sys 0m0.016s $ time ./avltest-no sizeof(Node)=72 sizeof(NodeSet)=40 creating file ./avltest.img done region.get_address()=0x7f7fdce43000 region.get_size()=3600056 p_set=0x7f7fdce43000 p_values=0x7f7fdce43030 created/inserted 50000 entries region.get_address()=0x7f7fdcad4000 region.get_size()=3600056 p_set=0x7f7fdcad4000 p_values=0x7f7fdcad4030 checked 50000 entries, result=1249975000 real 0m22.634s user 0m22.277s sys 0m0.120s I hope these tests aid in finding the problem -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36861
next prev parent reply other threads:[~2008-07-28 18:56 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2008-07-17 7:28 [Bug c++/36861] New: code generation regression with -O3 lothar at tradescape dot biz 2008-07-17 7:29 ` [Bug c++/36861] " lothar at tradescape dot biz 2008-07-17 16:55 ` lothar at tradescape dot biz 2008-07-17 17:44 ` rguenth at gcc dot gnu dot org 2008-07-17 17:48 ` [Bug tree-optimization/36861] " pinskia at gcc dot gnu dot org 2008-07-17 17:51 ` lothar at tradescape dot biz 2008-07-17 17:53 ` lothar at tradescape dot biz 2008-07-17 18:02 ` rguenth at gcc dot gnu dot org 2008-07-17 18:10 ` lothar at tradescape dot biz 2008-07-17 18:29 ` [Bug tree-optimization/36861] [4.3 Regression] " rguenth at gcc dot gnu dot org 2008-07-17 20:15 ` lothar at tradescape dot biz 2008-07-17 20:20 ` rguenth at gcc dot gnu dot org 2008-07-22 21:44 ` [Bug tree-optimization/36861] boost's compressed avl confuses GCC pinskia at gcc dot gnu dot org 2008-07-22 21:49 ` lothar at tradescape dot biz 2008-07-22 21:53 ` pinskia at gcc dot gnu dot org 2008-07-22 22:01 ` lothar at tradescape dot biz 2008-07-23 8:04 ` igaztanaga at gmail dot com 2008-07-24 22:19 ` [Bug tree-optimization/36861] [4.3 Regression] " drow at gcc dot gnu dot org 2008-07-28 18:56 ` lothar at tradescape dot biz [this message] 2008-07-31 2:03 ` lothar at tradescape dot biz 2008-07-31 7:57 ` aldot at gcc dot gnu dot org 2008-08-29 4:41 ` pinskia at gcc dot gnu dot org 2008-09-20 14:27 ` [Bug tree-optimization/36861] [4.3/4.4 " rguenth at gcc dot gnu dot org 2008-09-20 14:28 ` rguenth at gcc dot gnu dot org 2008-10-10 16:00 ` [Bug target/36861] " lothar at tradescape dot biz 2008-10-22 3:03 ` mmitchel at gcc dot gnu dot org 2009-01-24 10:28 ` rguenth at gcc dot gnu dot org 2009-02-03 9:54 ` bonzini at gnu dot org 2009-08-04 12:41 ` [Bug target/36861] [4.3/4.4/4.5 " rguenth at gcc dot gnu dot org 2010-03-16 13:15 ` [Bug target/36861] [4.5 " rguenth at gcc dot gnu dot org 2010-04-06 11:21 ` rguenth at gcc dot gnu dot org 2010-07-05 15:40 ` [Bug target/36861] [4.5/4.6 " rguenth at gcc dot gnu dot org 2010-07-05 16:03 ` rguenth at gcc dot gnu dot org 2010-07-31 9:35 ` rguenth at gcc dot gnu dot org
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