In article <[EMAIL PROTECTED]>,
Mike Smith <[EMAIL PROTECTED]> wrote:
>
> It looks about right, but page colouring is pointless unless and until we
> can determine the processor cache characteristics at runtime.
>
> Which we can't.
Why can't we do this at least on the i386 with the CPUID instruction,
initial %eax == 2? It returns cache size, associativity, and line
size for both the L1 and L2 caches. As far as I can tell, it works
for the Pentium Pro and subsequent processors.
John
--
John Polstra [EMAIL PROTECTED]
John D. Polstra & Co., Inc. Seattle, Washington USA
"Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa
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