On Wed, 2010-04-28 at 12:13 +0200, Josselin Mouette wrote:
> The simplest solution is to put the routines in a shared library and
> to
> build two versions of the library. Put the i486 one in /usr/lib and
> the
> SSE2 one in /usr/lib/i686/sse2.
That might be the way to go. Thanks.
--
Kip Warner
Le mardi 27 avril 2010 à 17:07 -0700, Kip Warner a écrit :
> You're right, that can indeed be done with a few lines of code. e.g.
> cpuid instruction. The problem is that you then have to perform a branch
> every time you could potentially use hardware acceleration: a condition
> for when, say, SSE
On 17:07 Tue 27 Apr , Kip Warner wrote:
> On Wed, 2010-04-28 at 00:32 +0200, Benjamin Drung wrote:
> >
> > The best solution would be autodetection of SSE2 on runtime. That can
> > be
> > done with a few lines of code.
>
> You're right, that can indeed be done with a few lines of code. e.g.
Reinhard Tartler writes:
> On Mi, Apr 28, 2010 at 02:07:56 (CEST), Kip Warner wrote:
>
>> On Wed, 2010-04-28 at 00:32 +0200, Benjamin Drung wrote:
>>>
>>> The best solution would be autodetection of SSE2 on runtime. That can
>>> be
>>> done with a few lines of code.
>>
>> You're right, that can
On Mi, Apr 28, 2010 at 02:07:56 (CEST), Kip Warner wrote:
> On Wed, 2010-04-28 at 00:32 +0200, Benjamin Drung wrote:
>>
>> The best solution would be autodetection of SSE2 on runtime. That can
>> be
>> done with a few lines of code.
>
> You're right, that can indeed be done with a few lines of c
On Wed, 2010-04-28 at 00:32 +0200, Benjamin Drung wrote:
>
> The best solution would be autodetection of SSE2 on runtime. That can
> be
> done with a few lines of code.
You're right, that can indeed be done with a few lines of code. e.g.
cpuid instruction. The problem is that you then have to pe
Am Dienstag, den 27.04.2010, 14:45 -0700 schrieb Kip Warner:
> On Tue, 2010-04-27 at 21:43 +0100, Ben Hutchings wrote:
> > It must be 'i386'.
>
> But i386 includes machines like the 486 and the Pentium Pro that did not
> have SSE2 instruction set.
>
> If I was writing something for a 32-bit machi
On Tue, 2010-04-27 at 21:43 +0100, Ben Hutchings wrote:
> It must be 'i386'.
But i386 includes machines like the 486 and the Pentium Pro that did not
have SSE2 instruction set.
If I was writing something for a 32-bit machine with SSE2 instruction
set, what would be the most appropriate architectu
On Tue, 2010-04-27 at 21:29 +, brian m. carlson wrote:
> As far as uname, not all machines that output i686 will support SSE2.
> Your assumption should be that i686 == Pentium Pro, with the caveat
> that
> not all i686 machines support cmov (some Via chips do not).
Thanks. If I was writing so
On Tue, Apr 27, 2010 at 12:45:30PM -0700, Kip Warner wrote:
> Greetings Everyone,
>
> I've been looking for a while, but no luck. Is there a table somewhere
> that summarizes the different architecture names like i386, i586, i686,
> amd64, ia64, and so on along with the criteria for hardware quali
On Tue, 2010-04-27 at 13:40 -0700, Kip Warner wrote:
> On Tue, 2010-04-27 at 22:16 +0200, Benjamin Drung wrote:
> > Am Dienstag, den 27.04.2010, 12:45 -0700 schrieb Kip Warner:
> > > Greetings Everyone,
> > >
> > > I've been looking for a while, but no luck. Is there a table somewhere
> > > that s
On Tue, 2010-04-27 at 12:45 -0700, Kip Warner wrote:
> Greetings Everyone,
>
> I've been looking for a while, but no luck. Is there a table somewhere
> that summarizes the different architecture names like i386, i586, i686,
> amd64, ia64, and so on along with the criteria for hardware qualifying
>
On Tue, 2010-04-27 at 22:16 +0200, Benjamin Drung wrote:
> Am Dienstag, den 27.04.2010, 12:45 -0700 schrieb Kip Warner:
> > Greetings Everyone,
> >
> > I've been looking for a while, but no luck. Is there a table somewhere
> > that summarizes the different architecture names like i386, i586, i686,
Am Dienstag, den 27.04.2010, 12:45 -0700 schrieb Kip Warner:
> Greetings Everyone,
>
> I've been looking for a while, but no luck. Is there a table somewhere
> that summarizes the different architecture names like i386, i586, i686,
> amd64, ia64, and so on along with the criteria for hardware qual
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