On Wed, Apr 20, 2011 at 5:27 PM, Jussi Lehtola wrote:
> x86_64: plain and sse2
This does not look good to me, because the x86-64 instruction set only
includes sse2. sse3 is not available on every amd64 processor and thus
should not be used by default. The maintainer should rather build the
base pa
On Wed, Apr 20, 2011 at 5:27 PM, Jussi Lehtola
wrote:
> What package are we talking about?
>
> There is already at least one package in Fedora which does a similar
> thing: ATLAS. It normally automatically tunes itself for the optimal
> build flags, so some special tricks have to be done for packa
On Wed, 20 Apr 2011 11:59:18 -0600
Jerry James wrote:
> I'm packaging a library that does some heavy mathematical
> computations. The build system tries to cleverly determine whether an
> Intel CPU with vector instructions is being used.
What package are we talking about?
There is already at le
On 4/20/11 5:57 PM, Jerry James wrote:
> On Wed, Apr 20, 2011 at 3:32 PM, Adam Jackson wrote:
>> The least capable processor we've gone out of our way to fix things for is
>> the AMD Geode GX, which has MMX and 3DNow, but is also slightly less than a
>> proper Pentium Pro in that it doesn't have n
On Wed, Apr 20, 2011 at 3:32 PM, Adam Jackson wrote:
> The least capable processor we've gone out of our way to fix things for is
> the AMD Geode GX, which has MMX and 3DNow, but is also slightly less than a
> proper Pentium Pro in that it doesn't have nopl or cmov.
>
> However, rpm sets --march=i
On 4/20/11 1:59 PM, Jerry James wrote:
> I'm packaging a library that does some heavy mathematical
> computations. The build system tries to cleverly determine whether an
> Intel CPU with vector instructions is being used. Until I can
> convince upstream to do this at runtime, I'll need to build
