james@noether.ex.ac.uk

>example, if you have a 64K L2 cache already, it may be worth it to 
>increase that to 128K but may not worth it to go to to 256K.  It is 
>unlikely that anything beyond 512K will be of much use, according to 
>test results.)

Below is a message I sent to Javier re this thread.
>I have a 7300/200, but it came with a 256K cache like the 8600.  I put in 
>a 512K cache but can't remember the speed increase it gave, but I do 
>remember it was significant.  Soon after, I tested a 1Mb cache 
>against 512K with MacBench and found a 16% increase in processor speed.  
>There were very few 1M caches around at the time and they were expensive 
>so I stayed with the 512K.

I rechecked my figues and it was an 11% increase, not 16%.  The increase 
from 256K to 512K was much more as I recall.  Check on MacWorld or one of 
those places - they had a set of results there earlier this year.