Known problems with dcache?

[Daniel Jacobowitz]

On Fri, Jan 10, 2003 at 06:15:55PM -0500, Andrew Cagney wrote:
> 
> >>Was it on an i386?  If it was, the other other cache would easily skew 
> >>any results.
> >
> >
> >Other other cache?  Codestream doesn't affect this so I don't know what
> >you mean.
> 
> It definitly affects things.  Both codestream and dcache are chewing cpu 
> cycles trying to cache instruction reads.  A valid comparison would at 
> least involve no dcache/codestream.

Sure; but it's overwhelmed by the LinuxThreads I/O, which doesn't touch
codestream at all; instruction reads weren't even a measurable time
last time I did this.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer