| Next | Making Programs Faster | 17 |
Unfortunately, measuring CPU isn't always what you want
Consider a program with high wallclock time but low CPU time
This program is spending a lot of time waiting around
That may be unavoidable
Reducing the CPU usage of this program may not reduce its wallclock usage proportionally
It may be computing faster but spending the same amount of time waiting around
| Next | |
Copyright © 2003 M. J. Dominus |