Re: Linux speed on sun4c

From: David S. Miller (
Date: Sun Jul 01 2001 - 01:36:34 EST

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.

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.

David S. Miller
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