I've been using the development kernels from about 105 onwards and am
puzzled by some performance variations.
When I've built a new kernel I normally try it out by rebuilding the
project I'm working on by doing :
make really_clean; make; make really_clean; time make
Some of the development kernels take ~30 seconds elapsed time to compile
my program while others take ~40 seconds. I haven't got exact figures
except I know that yesterdays 2.1.127 took 31 seconds 94% cpu, and todays
2.1.128 took 41 seconds 74% cpu. This was done on the same system, just
after a reboot. Why the difference in in cpu% ?
This is running on a PPro 200 with 80 meg of RAM.
- Joe Thornber
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