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.
Clearly another factor to preclude when establishing the baseline. The
base comparison is dcache vs codestream vs nothing, a potential
secondary effect is with the thread code.