Re: Linux speed on sun4c

[David S. Miller]

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.

Later,
David S. Miller
[e-mail]