Compiling Linux 2.0.34 kernel with 386 or Pentium option ?

Compiling Linux 2.0.34 kernel with 386 or Pentium option ?

Post by Fabian Won » Mon, 30 Nov 1998 04:00:00



All,

I have an AMD K6/2 300 Mhz cpu and am compiling the Linux 2.0.34 kernel.
I know I can use
the 386 compile option to produce a stable kernel. I was wondering if
either the Pentium or
Pentium Pro options will optimise the kernel for the AMD K6/2 ?

Thanks.

Fabian Wong

 
 
 

Compiling Linux 2.0.34 kernel with 386 or Pentium option ?

Post by Michael R. Doerne » Tue, 01 Dec 1998 04:00:00



> All,

> I have an AMD K6/2 300 Mhz cpu and am compiling the Linux 2.0.34 kernel.
> I know I can use
> the 386 compile option to produce a stable kernel. I was wondering if
> either the Pentium or
> Pentium Pro options will optimise the kernel for the AMD K6/2 ?

> Thanks.

> Fabian Wong


I use the pentium option as I believe our chips (AMD) do not have Pent. Pro
codes on the chip.

--

--------------------------------------------------
"Ya know, you may not be able to hug your children
with nuclear arms, but ya sure can keep 'em warm!"

 
 
 

1. Linux Kernel Compilation for 386/486/Pentium?

Hello,

When doing "time dd if=/dev/zero bs=100k count=10000 | dd
of=/dev/zero" on a IBM PC w/ Pentium 166MHz and Linux Kernel 2.2.10 I
get different execution times for different kernel CPU configurations.

If I configure the kernel for (approx./averaged values):

                real    user    sys
386             78      20      57
Pentium         99      25      70

I did this test just by accident, to show a Linux newcomer, that I
create an own kernel to improve performance and lower size. So much
about performance. How come? Other mini benches (e.g. writing a 100MB
file using dd) also showed minor advantages for the 386 compilation,
but these were much smaller in the other tests. The machine was
unloaded at the time of the tests. Every test was run three times,
deviation was small.

Any ideas? What do you use for compiling on a Pentium like that. How
about AMD's? How about P3?

Roman

--
Roman Fietze (Mail Code 5023)              Heidelberg Digital/Germany

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