Re: Crusoe's performance on linux?

Vojtech Pavlik
2003-06-23T07:56:56Z

On Mon, Jun 23, 2003 at 10:58:12AM +0700, Samphan Raruenrom wrote:
> Vojtech Pavlik wrote:
> > Could you a test just for me? Take vanilla 2.4.21 and then
> > make oldconfig; make dep; time make bzImage
> > That's basically what I want to know how long will take, since
> > it's one of the most common time consuming tasks the thing will
> > have to handle.
> Done! Here're the results:-
>
> Desktop - Pentium III 1 G Hz 754 MB -> 10.x min.
> Tablet PC - Crusoe TM5800 1 GHz 731 MB -> 17.x min.
>
> From freshdiagnos benchmack, the TPC has about 2x faster RAM.
> I use tmpfs for the whole process so disk speed didn't count.
> Both test run without X or any foreground process using
> 2.4.21-ac1 and RedHat kernel.
>
> What do you think?
> Shouldn't TM5800 with 4-wide VLIW engine and 64 registers,
> working on a single task, run as fast as a Pentium III?
> Why it take 70% longer for such small process (make+gcc+as)!
> There must be something wrong.

Same GCC version on both? Which?

--
Vojtech Pavlik
SuSE Labs, SuSE CR