[arch-dev-public] i686 and SSE2

Daniel Micay danielmicay at gmail.com
Fri Sep 16 19:57:13 UTC 2016

On Fri, 2016-09-16 at 21:44 +0200, Bartłomiej Piotrowski wrote:
> Actually, why don't raise the bar higher? SSE2 has been introduced in
> 2001 – that's 15 years to upgrade one's hardware and given my sad
> experiences with computers, I find it hard to believe anyone has that
> old PC that happens to run Arch.
> We used to advertise ourselves as optimized for modern processors. Our
> "i786" really should include SSE3. For the same reason I would not
> complain about requiring SSE4 instructions for amd64.
> > 
> > I also wish we had some data on SSE2 support across i686 machines.
> > Perhaps
> > we should upgrade pkgstats to record *all* the cpuflags? We would
> > gain data
> > for future decisions, too.
> pkgstats seems to have lots of old data. It would be beneficial to
> start
> the statistics from scratch and include kernel modules as well to see
> if
> our config isn't overloaded.
> Bartłomiej

I think it does include kernel modules. It's why it doesn't work
properly with linux-grsec since it can't obtain that without root and
then doesn't collect statistics on installs with grsecurity. It might
just not be published.
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