On Sun, Apr 27, 2008 at 12:36:05PM -0700, Russ Allbery wrote:
> After further investigation, it looks like gnubg does runtime probing, but
> if you tell it to use SSE, it also adds -msse to the build flags. Will
> building with -msse break the binaries on i386 chips without SSE all by
> itself, ev
"Steinar H. Gunderson" <[EMAIL PROTECTED]> writes:
> On Sun, Apr 27, 2008 at 07:17:14AM +0200, Bernd Eckenfels wrote:
>> If it probes, it is most likely loading an optimized asm module, and
>> you dont need the SSE switch at all.
> If you use gcc inline assembler and want to use SSE registers in
On Sun, Apr 27, 2008 at 02:02:24PM +0200, Kurt Roeckx wrote:
> - When you hace shared libraries you can put them in directories like
> /usr/lib/i686/sse/. The dynamic linker whould pick it up for
> you in that case. (I have no idea if it looks at i686/sse or not,
> but it looks at various o
> Does any Athlon64 support sse3?
yes, since Venice Stepping E3 and San Diego Stepping E4.
But thanks for the reminder, there were indeed CPUs before that.
--
Bernd Zeimetz Debian GNU/Linux Developer
GPG Fingerprint: 06C8 C9A2 EAAD E37E 5B2C BE93 067A AD04 C93B FF79
On Sun, Apr 27, 2008 at 04:06:40PM +0200, Goswin von Brederlow wrote:
> Kurt Roeckx <[EMAIL PROTECTED]> writes:
> > If you want to have different optimizations depending on the cpu,
> > there are a two options I know of:
> > - When you hace shared libraries you can put them in directories like
> >
Kurt Roeckx <[EMAIL PROTECTED]> writes:
> On Sat, Apr 26, 2008 at 07:05:17PM -0700, Russ Allbery wrote:
>> gnubg supports optionally building with SSE support for increased speed in
>> the analytical engine. I have to date kept this disabled to not generate
>> binaries that might not run on all o
Bernd Zeimetz <[EMAIL PROTECTED]> writes:
>> And check if there is any sse3 support. That one needs cpu suport on
>> amd64 too.
>
> Are there amd64 machines which do *not* support sse3?
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 4
model name : A
On Sun, Apr 27, 2008 at 07:17:14AM +0200, Bernd Eckenfels wrote:
>> Also, it looks like it probes at runtime for SSE, so I may be able to
>> build with that on i386 as well.
> If it probes, it is most likely loading an optimized asm module, and you
> dont need the SSE switch at all.
If you use gcc
> And check if there is any sse3 support. That one needs cpu suport on
> amd64 too.
Are there amd64 machines which do *not* support sse3?
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Bernd Zeimetz Debian GNU/Linux Developer
GPG Fingerprint: 06C8 C9A2 EAAD E37E 5B2C BE93 067A AD04 C93B FF79
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On Sat, Apr 26, 2008 at 07:05:17PM -0700, Russ Allbery wrote:
> gnubg supports optionally building with SSE support for increased speed in
> the analytical engine. I have to date kept this disabled to not generate
> binaries that might not run on all otherwise-supported Debian systems.
>
> Howeve
Russ Allbery <[EMAIL PROTECTED]> writes:
> Faidon Liambotis <[EMAIL PROTECTED]> writes:
>> Russ Allbery wrote:
>
>>> However, a user mentioned that he thinks all chips that fall into the
>>> amd64 architecture have SSE and hence adding -msse would be safe for the
>>> amd64 build. Is that correct?
In article <[EMAIL PROTECTED]> you wrote:
> Also, it looks like it probes at runtime for SSE, so I may be able to
> build with that on i386 as well.
If it probes, it is most likely loading an optimized asm module, and you
dont need the SSE switch at all.
Gruss
Bernd
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Faidon Liambotis <[EMAIL PROTECTED]> writes:
> Russ Allbery wrote:
>> However, a user mentioned that he thinks all chips that fall into the
>> amd64 architecture have SSE and hence adding -msse would be safe for the
>> amd64 build. Is that correct? And in general are there any guidelines
>> abou
Russ Allbery wrote:
However, a user mentioned that he thinks all chips that fall into the
amd64 architecture have SSE and hence adding -msse would be safe for the
amd64 build. Is that correct? And in general are there any guidelines
about things like this? I assume that using -msse for the i38
On Sun, Apr 27, 2008 at 10:05 AM, Russ Allbery <[EMAIL PROTECTED]> wrote:
> However, a user mentioned that he thinks all chips that fall into the
> amd64 architecture have SSE and hence adding -msse would be safe for the
> amd64 build. Is that correct?
http://en.wikipedia.org/wiki/X86-64 says
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