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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