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Subject: BOUNCE Csound: Non-member submission from [lrackl%SLC%HEXCELNET@hexcel.attmail.com (Rackl, Les)]

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 ----------
>P.S. I have just bought a 8600/200, should I buy more cache memory for   
real
>time
>performance? (I have already enough DRAM)


>Javier Ruiz


If you are loading data into the CPU from RAM in 64K chunks (say), then   
64K of cache
can add tremendous performance increases, because it "pre-fetches" the   
data chunk and
can then load into the CPU very, very quickly (something like 1 CPU   
cycle).

If you're not loading 64K chunks, though, you'll be generating cache   
misses which will actually
degrade performance, relative to having no cache.

This is my understanding of it, though i confess to not understanding the   
differences between
Level 1 and Level 2 cache.  Could someone straighten this out for me?


les


-- 
James Andrews, maths CDO, ext.3977