> I just tried this:
> 
> speedy# /usr/bin/time dd if=/dev/zero of=/dev/null bs=64k count=1638400
> 1638400+0 records in
> 1638400+0 records out
> 107374182400 bytes transferred in 52 secs (2064888123 bytes/sec)
>        51.57 real         1.26 user        50.28 sys
> 
> Of course, it's a GENERIC kernel and default BIOS settings.  But it does
> look like the VIA chipset sucks somewhat.

I doubt you measure VIA chipset speed.
With -current (and page colouring) everything should fit in Athlon L1
cache. With 1.5 results may be more random.

Change bs= to 256k or 512k to see the difference (and exercise real memory).

But there are better tools for measuring memory throughput...



Greetings,


	Witold J. Wnuk