On 29 Apr 2002 at 10:56, Philip S Tellis wrote:
> They found a particular loop that was really badly implemented, and
> optimised it so that it ran 80% faster!
>
> You can imagine their surprise when it had no effect whatsoever on the
> speed of the system as a whole.
I bet system performance would have deteriorated because in order to optimise
the loop, they must have made it a CPU tight loop. Just do for(int i=0;;){i++;i-
-;} and you will see what happens to your CPU and thread scheduling etc..;-)
Shridhar
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