AMD Sempron CPUTYPE & Co.
dmitry.mityugov at gmail.com
Wed Sep 21 01:22:50 PDT 2005
On 9/21/05, Josh Paetzel <josh at tcbug.org> wrote:
> On Tuesday 20 September 2005 15:21, Andrew P. wrote:
> > Hello!
> > So I have a Sempron 2500+ CPU, one that supports
> > SSE3. What should I place in my /etc/make.conf? I use
> > ssh with X11Forward very often, so OpenSSL should
> > be compiled to be as fast as it can be on this CPU.
> > Here's a part of dmesg:
> > CPU: AMD Sempron(tm) Processor 2500+
> > (1407.05-MHz 686-class CPU)
> > Origin = "AuthenticAMD" Id = 0x20fc2 Stepping = 2
> > Features=0x78bfbff<FPU,VME,DE,PSE,TSC,MSR,
> > PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,
> > PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
> > Features2=0x1<SSE3>
> > AMD Features=0xe2500800<SYSCALL,NX,MMX+,
> > <b25>,LM,3DNow+,3DNow>
> > I want to use SSE3, but I don't want to set CPUTYPE
> > to nocona, cause that way compilers won't ever use
> > AMD features. Is there a way to tell compilers to use
> > every feature I've got?
> > Thanks very much,
> > Andrew P.
> I don't know what options to put in /etc/make.conf, but I see that you
> are running your FSB @ 133mhz when it should be @ 166mhz. A Sempron
> 2500+ runs at 1.75ghz
Not necessarily. There are several 2500+ Sempron models that operate
at different speeds, check out for example this one:
Dmitry Mityugov, St. Petersburg, Russia
I ignore all messages with confidentiality statements
"We live less by imagination than despite it" - Rockwell Kent, "N by E"
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