This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug fortran/29549] matmul slow for complex matrices
- From: "jb at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Nov 2006 14:15:05 -0000
- Subject: [Bug fortran/29549] matmul slow for complex matrices
- References: <bug-29549-1719@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from jb at gcc dot gnu dot org 2006-11-04 14:15 -------
Confirmed.
I noticed it too when I was reviewing FX's external-blas patch. But the complex
version of matmul is generated from the same m4 sources as the real versions.
It might be that the middle- and/or back-end generates inefficient code for
complex arithmetic in general?
--
jb at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jb at gcc dot gnu dot org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2006-11-04 14:15:02
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29549