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Re: kernel compile time

To: Kanoj Sarcar <kanoj@xxxxxxxxxxxxxxxxxxx>
Subject: Re: kernel compile time
From: Ralf Baechle <ralf@xxxxxxxxxxx>
Date: Thu, 1 Jun 2000 21:27:19 +0200
Cc: John Hawkes <hawkes@xxxxxxxxxxxxxxxxxxxx>, Rajagopal Ananthanarayanan <ananth@xxxxxxx>, linux-origin@xxxxxxxxxxx, skunx@xxxxxxxxxxxxxxxxxxxx
In-reply-to: <200006011842.LAA84787@xxxxxxxxxxxxxxxxxxx>; from kanoj@xxxxxxxxxxxxxxxxxxx on Thu, Jun 01, 2000 at 11:42:32AM -0700
References: <021301bfcbf5$b3ac41e0$ce059aa3@xxxxxxxxxxxx> <200006011842.LAA84787@xxxxxxxxxxxxxxxxxxx>
Sender: owner-linux-origin@xxxxxxxxxxx
On Thu, Jun 01, 2000 at 11:42:32AM -0700, Kanoj Sarcar wrote:

> True. And the other culprit is probably all the locore code (like
> fast tlb handlers, inital syscall/intr/pagefault code) that executes
> before the timers are switched from user to kernel/system.

Ulf's lmbench results for a UP Origin kernel are significantly below
what I achieve on my R5000 Indy.  That's suspicious.  I don't think
all of the difference can be explained by 32-bit vs. 64-bit code.


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