Subject: Re: HyperSPARC woes...
To: Jon Buller <jonb@metronet.com>
From: Jason Thorpe <thorpej@nas.nasa.gov>
List: port-sparc
Date: 10/18/1996 18:01:49
On Fri, 18 Oct 1996 10:07:48 -0500 
 Jon Buller <jonb@metronet.com> wrote:

 > That sounds real slow, does EVERY SPARC kernel do that on ALL traps?
 > It sounds like a config option that would inline the code for MY machine
 > and eliminate the code for all others would be significantly faster.
 > (All this from someone who has not looked at the code, but did get
 > an ELC a few months ago and is currently running said code.)
 > 
 >      option I_HAVE_AN_ELC_WITH_A_XXX_PROCESSOR_YYY_CACHE_ZZZ_ESPCHIP...

Actually, that's what happens if you have all of:

	options		SUN4
	options		SUN4C
	options		SUN4M

If you eliminate cpu types that you don't have, the code doesn't have
to do all of the comparisons...

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                               Home: 408.866.1912
NAS: M/S 258-6                                          Work: 415.604.0935
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