Re: Crusoe's performance on linux?

[H. Peter Anvin]

Followup to:  <[e-mail]>
By author:    Samphan Raruenrom <[e-mail]>
In newsgroup: linux.dev.kernel
>
> 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.
> 

Which version of gcc are you running on the two machines?

	-hpa
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