Date: Sat, 8 Apr 2006 19:06:22 GMT From: "Pedro F. Giffuni" <giffunip@asme.org> To: freebsd-gnats-submit@FreeBSD.org Subject: ports/95521: math/blas : add optimized flags option Message-ID: <200604081906.k38J6MmV068835@www.freebsd.org> Resent-Message-ID: <200604081910.k38JADNA019646@freefall.freebsd.org>
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>Number: 95521
>Category: ports
>Synopsis: math/blas : add optimized flags option
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-ports-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Sat Apr 08 19:10:13 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator: Pedro F. Giffuni
>Release: 6.0-release amd64
>Organization:
>Environment:
FreeBSD etoile.cable.net.co 6.0-RELEASE FreeBSD 6.0-RELEASE #12: Sat Feb 11 13:45:47 COT 2006 root@etoile.cable.net.co:/usr/src/sys/amd64/compile/DIMENSION amd64
>Description:
Modern compilers know tricks, and in blas' case it's a good idea to have the option to try them.
That said, running the lapack tests didn't show major performance differences.
>How-To-Repeat:
>Fix:
diff -ruN blas.orig/Makefile blas/Makefile
--- blas.orig/Makefile Fri Apr 7 12:17:22 2006
+++ blas/Makefile Sat Apr 8 12:06:45 2006
@@ -17,10 +17,15 @@
MAINTAINER= ports@FreeBSD.org
COMMENT= Basic Linear Algebra, level 1, 2, and 3
+.if defined(WITH_OPTIMIZED_FLAGS)
+FFLAGS+= -O3 -ffast-math -funroll-loops
+.endif
+
INSTALLS_SHLIB= yes
NO_WRKSUBDIR= yes
-pre-build:
- ${CP} ${FILESDIR}/makefile.lib ${WRKSRC}/Makefile
+do-configure:
+ @${INSTALL_DATA} ${FILESDIR}/makefile.lib ${WRKSRC}/Makefile
+ @${REINPLACE_CMD} -e 's+@FFLAGS@+${FFLAGS}+g' ${WRKSRC}/Makefile
.include <bsd.port.mk>
diff -ruN blas.orig/files/makefile.lib blas/files/makefile.lib
--- blas.orig/files/makefile.lib Fri Apr 7 12:17:22 2006
+++ blas/files/makefile.lib Sat Apr 8 12:01:53 2006
@@ -1,6 +1,8 @@
# @(#)Makefile 5.7 (Berkeley) 6/27/91
+FFLAGS= @FFLAGS@
+
LIBDIR= ${PREFIX}/lib
-NOPROFILE= no
+NO_PROFILE= no
SHLIB_MAJOR= 1
>Release-Note:
>Audit-Trail:
>Unformatted:
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