http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54073
Bug #: 54073
Summary: SciMark Monte Carlo test performance has seriously
decreased in recent GCC releases
Classification: Unclassified
Product: gcc
Version: 4.7.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: [email protected]
ReportedBy: [email protected]
Created attachment 27860
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27860
Sci Mark Monte Carlo test
On an Intel Core i7 CPU (see the attached screenshot):
GCC 4.2.x - 380
GCC 4.7.x - 265
i.e. 44% slower.
SciMark 2.0 sources can be fetched here:
http://math.nist.gov/scimark2/download_c.html