On Tuesday 12 December 2000 13:38, Linus Torvalds wrote:
> On Tue, 12 Dec 2000, Steven Cole wrote:
> > Task: make -j3 bzImage for 2.4.0-test12-pre7 kernel tree.
>
> Actually, do it with
>
> make -j3 'MAKE=make -j3' bzImage
>
> A single "-j3" won't do much. It will only build three directories at a
> time, and you'll never see much load. But doing it recursively means that
> you'll build three at a time all the way out to the leaf directories, and
> you should see loads up to 20+, and much more memory pressure too.
>
> Linus
Ok, repeated the tests with make -j3 'MAKE=make -j3' bzImage
I ran xosview to monitor the load.
The load values for 2.2.18 seemed to stay higher longer than
for 2.4.0-test12. I recorded the peak load observed.
For comparison, with make -j3 bzImage, the peak load was much
lower, about 2.7.
Task: make -j3 'MAKE=make -j3' bzImage for 2.4.0-test12-pre7 kernel tree.
Numbers are seconds to build.
New results:
1 2 3 ave.
143 143 143 143 Running 2.2.18 SMP
19.1 17.5 19.2 18.6 Max load observed with xosview
142 141 141 141.3 Running 2.4.0-test12-pre7 SMP
16.2 16.8 15.2 16.1 Max load observed with xosview
Steven
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