From: Gregg N 

Randall Parker
 wrote in news:4226492e$1{at}w3.nls.net:

> Gregg,
>
> The reason I'm changing process priority is that the machine gets
> sluggish when I'm using other processes. Sometimes changing the
> process priority helps. Sometimes it doesn't. I am puzzled why it
> doesn't always help when shutting down FireFox does help.

One possibility is that the CPU-boundedness of the flash animation is
keeping a rather large working set in memory. Reducing priority wouldn't
help this, and as a result it causes increased paging activity and cache
misses when another application attempts to become active.

Gregg

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