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Bytemark HUFFMAN 7% slower than gcc #13626

Closed Quuxplusone closed 11 years ago

Quuxplusone commented 12 years ago
Bugzilla Link PR13586
Status RESOLVED WORKSFORME
Importance P normal
Reported by wbrana@gmail.com
Reported on 2012-08-12 05:07:31 -0700
Last modified on 2013-02-10 10:08:27 -0800
Version trunk
Hardware PC Linux
CC geek4civic@gmail.com, llvm-bugs@lists.llvm.org, rafael@espindo.la
Fixed by commit(s)
Attachments
Blocks
Blocked by
See also 
http://www.tux.org/~mayer/linux/nbench-byte-2.2.3.tar.gz

clang trunk
HUFFMAN             :          3242.8  :      89.92  :      28.72
gcc 4.7.2 pre
HUFFMAN             :          3474.4  :      96.35  :      30.77

CFLAGS = -ggdb -Wall -O3 -funroll-loops -g0 -march=core2 -fomit-frame-pointer -
ffast-math -mssse3 -fno-PIE -fno-exceptions -fno-stack-protector -static
Quuxplusone commented 11 years ago

WORKSFORME on Sandy Bridge