Re: Linux speed on sun4c

[Guenter Millahn <Guenter.Millahn@Informatik.TU-Cottbus.DE>]

On Sat, 30 Jun 2001, David S. Miller wrote:

> Aaron Lehmann writes:
>  > NetBSD/Sparc's FAQ asserts:
>  > 
>  >     Why is NetBSD so much faster than SparcLinux on sun4c (top) 
>  > 
>  >         The memory management hardware on sun4c machines (SPARCStation
>  >         1, 1+, 2, IPC, IPX, SLC, ELC and clones) is not handled particularly
>  >         well by Linux. Until Linux reworks their MMU code NetBSD will be very
>  >         much faster on this hardware. 
>  > 
>  > Was there ever any truth to this statement? It seems to be light on
>  > technical details. Have these purported issues ever been fixed?
>  > 
>  > I don't want to be scared into running NetBSD on my SparcStation 2 :D.


What about OpenBSD?  Same as NetBSD?



> It's totally true, use *BSD on your sun4c systems if top performance
> is your desire. :-)
> 
> I know how to fix it but frankly I have no desire to work on
> that platform any more.
> 
> Later,
> David S. Miller
> davem@redhat.com


David, can you publish your idea for a fix? Possibly anybody elese can make
the patch?

Thanks, Guenter

-- 
Dipl.-Ing. Guenter Millahn         Brandenburg University of Technology
Systems, Network & DB Admin        CS Dept / DB & IS Research Group
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