[distcc] using a powerful build host
Andi Kleen
ak at muc.de
Sun Nov 17 12:34:00 GMT 2002
Hallo,
I have the following setup:
One workstation and one powerful multiprocessor box that I use only sometimes
for compiling. The multiprocessor box is able to run 8 compilers in parallel.
I normally compile on the workstation but sometimes when I'm in a hurry
and need a big tree rebuilt I want to tap the power of the multi processor
box using distcc.
What I tried:
just specify DISTCC_HOSTS=mpbox CC="distcc gcc" make -j8 ...
Unfortunately top on mpbox shows that only one or two cc1s are active
in parallel. I also tried DISTCC_HOSTS="mpbox mpbox ..." (8 times) ... -j8,
but it also doesn't seem to trigger much more parallelism. The makefiles
are set up for parallelism, when I run it locally on the mpbox it
runs much faster.
I also would like to include localhost (= workstation), but it should
only run at best two compilers in parallel.
I'm considering now to configure multiple IP aliases and run
8 distccs in parallel on the mpbox. Is there are a better way to
do what I want?
Thanks,
-Andi
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