Mac 3.0 benchmarks

Marcel Weiher marcel at metaobject.com
Thu Feb 8 18:31:04 UTC 2001


> From: Tim Rowledge <tim at sumeru.stanford.edu>

> I see a similar slowdown on Acorn, and it seems to be almost entirely 
> the cost of hitting the event polling prim(s) every 20mSec; change to a 
> brain numbing 200mSec and get back most of the performance but  
loose all
> control over the pointer....

Yes, changing the poll-period also changed things.  However, I don't  
think the problem is the (external, VM-based) expense of polling.   
Why?  Well, my VM is multi-threaded, so each poll just locks a  
semaphore and checks a buffer, which is empty most of the time.  Not  
expensive.

Marcel





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