Thats barely 2% as posted. Like you said, that could be statistically
insignificant.
---Mike
On 5/3/2011 2:46 AM, Alexander wrote:
> Not much but it sure looks better! ;)
> I did a little benchmark with a program of mine (lower is better):
> -O3 -march=pentium -mtune=pentium: 66m3.387s
> -O3 -mtune=generic: 61m18.543s
> -O3 -march=geode -mtune=geode: 59m43.385s
>
> I only did one run so it's probably all within the error margin anyways.
> In /etc/make.conf I now use:
> CFLAGS= -Os -O2 -pipe -march=geode -mtune=geode
> COPTFLAGS= -Os -pipe -mtune=geode -march=geode
>
> Alex.
>
> ----- Message from [email protected] ---------
> Date: Mon, 02 May 2011 10:11:06 -0400
> From: Mike Tancsa <[email protected]>
> Subject: Re: [Soekris] svn commit: r221274 - in stable/8: contrib/gcc
> contrib/gcc/config/i386 contrib/gcc/config/mips
> contrib/gcc/config/rs6000 contrib/gcc/config/s390 contrib/gcc/cp
> contrib/gcc/doc contrib/libstdc++ con...
> To: Alexander <[email protected]>
> Cc: [email protected]
>
>
>> On 5/2/2011 5:42 AM, Alexander wrote:
>>> With this commit to FreeBSD we can now use "-march=geode -mtune=geode"
>>> with the FreeBSD's gcc. *yay*
>>
>> Hi,
>> How significant are the optimizations ? Has anyone done any
>> benchmarks
>> ? To make use of it, just add
>> CPUTYPE=geod
>> in /etc/make.conf ? Does that do both world and kernel ?
>>
>> ---Mike
>>
>>> Alex.
>>>
>>> ----- Message from [email protected] ---------
>>> Date: Sat, 30 Apr 2011 22:07:04 +0000 (UTC)
>>> From: Martin Matuska <[email protected]>
>>> Subject: svn commit: r221274 - in stable/8: contrib/gcc
>>> contrib/gcc/config/i386 contrib/gcc/config/mips
>>> contrib/gcc/config/rs6000 contrib/gcc/config/s390 contrib/gcc/cp
>>> contrib/gcc/doc contrib/libstdc++ con...
>>> To: [email protected], [email protected],
>>> [email protected], [email protected]
>>>
>>>
>>>> Author: mm
>>>> Date: Sat Apr 30 22:07:04 2011
>>>> New Revision: 221274
>>>> URL: http://svn.freebsd.org/changeset/base/221274
>>>>
>>>> Log:
>>>> MFC 219374, 219376, 219639, 219640, 219697, 219711, 220150:
>>>>
>>>> MFC r219374:
>>>> Backport Intel Core 2 and AMD Geode CPU types from gcc-4.3 (GPLv2)
>>>> These options are supported in this shape in all newer GCC versions.
>>>>
>>>> Source: gcc-4_3-branch (rev. 118090, 118973, 120846; GPLv2)
>>>>
>>>> MFC r219376:
>>>> Add AMD Geode CPU type to bsd.cpu.mk and examples/etc/make.conf
>>>> For CPUTYPE=core2 use -march=core2
>>>>
>>>> MFC r219639:
>>>> Backport SSSE3 instruction set support to base gcc.
>>>> Enabled by default for -march=core2
>>>>
>>>> Source: gcc-4_3-branch (rev. 117958, 121687, 121726, 123639; GPLv2)
>>>>
>>>> MFC r219640:
>>>> Add ssse3 capability for CPUTYPE=core2 to MACHINE_CPU in bsd.cpu.mk
>>>>
>>>> MFC r219697:
>>>> Fix -march/-mtune=native autodetection for Intel Core 2 CPUs
>>>>
>>>> Source: gcc-4_3-branch (partial rev. 119454; GPLv2)
>>>>
>>>> MFC r219711:
>>>> Backport missing tunings for -march=core2:
>>>> - enable extra 80387 mathematical constants (ext_80387_constants)
>>>> - enable compare and exchange 16 bytes (cmpxchg16b)
>>>>
>>>> Verified against llvm-gcc (and apple gcc)
>>>> Source: gcc-4_3-branch (ref. svn revs. 119260, 121140; GPLv2)
>>>>
>>>> MFC r220150:
>>>> Upgrade of base gcc and libstdc++ to the last GPLv2-licensed revision
>>>> (rev. 127959 of gcc-4_2-branch).
>>>>
>>>> Resolved GCC bugs:
>>>> c++: 17763, 29365, 30535, 30917, 31337, 31941, 32108, 32112,
>>>> 32346,
>>>> 32898, 32992
>>>> debug: 32610, 32914
>>>> libstdc++: 33084, 33128
>>>> middle-end: 32563
>>>> rtl-optimization: 33148
>>>> tree-optimization: 25413, 32723
>>>> target: 32218
>>>>
>>>> Source: gcc-4_2-branch (up to rev. 127959)
>>>>
>>>> Obtained from: gcc (var. revs of gcc-4_2-branch and
>>>> gcc-4_3-branch; GPLv2)
>>>> PR: gnu/153298, gnu/153959, gnu/154385, gnu/155308
>>>>
>>>> Added:
>>>> stable/8/contrib/gcc/config/i386/geode.md
>>>> - copied unchanged from r219374,
>>>> head/contrib/gcc/config/i386/geode.md
>>>> stable/8/contrib/gcc/config/i386/tmmintrin.h
>>>> - copied unchanged from r219639,
>>>> head/contrib/gcc/config/i386/tmmintrin.h
>>>> Modified:
>>>> stable/8/contrib/gcc/BASE-VER
>>>> stable/8/contrib/gcc/ChangeLog
>>>> stable/8/contrib/gcc/DATESTAMP
>>>> stable/8/contrib/gcc/DEV-PHASE
>>>> stable/8/contrib/gcc/config.gcc
>>>> stable/8/contrib/gcc/config/i386/driver-i386.c
>>>> stable/8/contrib/gcc/config/i386/i386.c
>>>> stable/8/contrib/gcc/config/i386/i386.h
>>>> stable/8/contrib/gcc/config/i386/i386.md
>>>> stable/8/contrib/gcc/config/i386/i386.opt
>>>> stable/8/contrib/gcc/config/i386/sse.md
>>>> stable/8/contrib/gcc/config/i386/xmmintrin.h
>>>> stable/8/contrib/gcc/config/mips/predicates.md
>>>> stable/8/contrib/gcc/config/rs6000/rs6000.c
>>>> stable/8/contrib/gcc/config/s390/s390.md
>>>> stable/8/contrib/gcc/cp/ChangeLog
>>>> stable/8/contrib/gcc/cp/call.c
>>>> stable/8/contrib/gcc/cp/cp-tree.h
>>>> stable/8/contrib/gcc/cp/cxx-pretty-print.c
>>>> stable/8/contrib/gcc/cp/decl.c
>>>> stable/8/contrib/gcc/cp/decl2.c
>>>> stable/8/contrib/gcc/cp/error.c
>>>> stable/8/contrib/gcc/cp/lex.c
>>>> stable/8/contrib/gcc/cp/name-lookup.c
>>>> stable/8/contrib/gcc/cp/pt.c
>>>> stable/8/contrib/gcc/cp/semantics.c
>>>> stable/8/contrib/gcc/cp/typeck.c
>>>> stable/8/contrib/gcc/doc/contrib.texi
>>>> stable/8/contrib/gcc/doc/extend.texi
>>>> stable/8/contrib/gcc/doc/gcc.1
>>>> stable/8/contrib/gcc/doc/invoke.texi
>>>> stable/8/contrib/gcc/dwarf2out.c
>>>> stable/8/contrib/gcc/expr.c
>>>> stable/8/contrib/gcc/fold-const.c
>>>> stable/8/contrib/gcc/gimplify.c
>>>> stable/8/contrib/gcc/reload1.c
>>>> stable/8/contrib/gcc/simplify-rtx.c
>>>> stable/8/contrib/gcc/target-def.h
>>>> stable/8/contrib/gcc/target.h
>>>> stable/8/contrib/gcc/targhooks.c
>>>> stable/8/contrib/gcc/targhooks.h
>>>> stable/8/contrib/gcc/tree-if-conv.c
>>>> stable/8/contrib/gcc/tree-ssa-structalias.c
>>>> stable/8/contrib/gcc/tree-vect-analyze.c
>>>> stable/8/contrib/gcc/tree-vect-patterns.c
>>>> stable/8/contrib/gcc/tree.c
>>>> stable/8/contrib/gcc/tree.h
>>>> stable/8/contrib/libstdc++/ChangeLog
>>>> stable/8/contrib/libstdc++/include/std/std_valarray.h
>>>> stable/8/contrib/libstdc++/include/tr1/random
>>>> stable/8/share/examples/etc/make.conf
>>>> stable/8/share/mk/bsd.cpu.mk
>>>> Directory Properties:
>>>> stable/8/contrib/gcc/ (props changed)
>>>> stable/8/contrib/libstdc++/ (props changed)
>>>> stable/8/share/examples/ (props changed)
>>>> stable/8/share/examples/cvsup/ (props changed)
>>>> stable/8/share/mk/ (props changed)
>>>>
>>>
>>>
>>> ----- End message from [email protected] -----
>>>
>>>
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>>
>>
>> --
>> -------------------
>> Mike Tancsa, tel +1 519 651 3400
>> Sentex Communications, [email protected]
>> Providing Internet services since 1994 www.sentex.net
>> Cambridge, Ontario Canada http://www.tancsa.com/
>>
>
>
> ----- End message from [email protected] -----
>
>
>
> ========================================================================
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> # / |/ /__ ____ _(_) /_ ____ _ [email protected] \n +491776461165 #
> # / / _ `/ _ `/ / / // / ' \ Amiga (68k/PPC): AOS/NetBSD/Linux #
> # /_/|_/\_,_/\_, /_/_/\_,_/_/_/_/ Mac (PPC): MacOS-X / Linux / MacOS-X #
> # /___/ x86: FreeBSD/Linux/Solaris/Win2k ARM9: EPOC EV6 #
> ========================================================================
>
>
> ----------------------------------------------------------------
> cakebox.homeunix.net - all the machine one needs..
>
>
--
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, [email protected]
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada http://www.tancsa.com/
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