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[Bug target/54246] New: Bytemark FOURIER 54% slower in X32 chroot
- From: "wbrana at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 13 Aug 2012 16:46:17 +0000
- Subject: [Bug target/54246] New: Bytemark FOURIER 54% slower in X32 chroot
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54246
Bug #: 54246
Summary: Bytemark FOURIER 54% slower in X32 chroot
Classification: Unclassified
Product: gcc
Version: 4.7.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: wbrana@gmail.com
http://www.tux.org/~mayer/linux/nbench-byte-2.2.3.tar.gz
compiled on 64-bit system with glibc 2.14.1 and run in X32 chroot
FOURIER : 36275 : 41.26 : 23.17
compiled in X32 chroot with glibc 2.16 and run in X32 chroot
FOURIER : 16574 : 18.85 : 10.59
both were compiled with same CFLAGS
-static -m64 -ggdb -Wall -O3 -funroll-loops -g0 -march=core2 -mfpmath=sse
-fomit-frame-pointer -ffast-math -mssse3 -fno-PIE -fno-exceptions
-fno-stack-protector