On 06/26/07 00:42, Danek Duvall wrote:
I thought Sasha would jump in at some point, but
http://opensolaris.org/os/project/onnv/onnv_build/faster_builds/
Sasha is offsite in a class at AMD this week and I'm not on the
opensolaris-code email alias (yet).
I notice that in the build results there, eg,
http://opensolaris.org/os/project/onnv/onnv_build/faster_builds/times/x86/
the DMAKE_MAX_JOBS is set to just 4. For an 8 socket 16 core system
that is way too kind. Was that chosen to be closer to a more
typical workstation configuration, more representative of
the typical OpenSolaris user?
No, I think that DMAKE_MAX_JOBS set to 4 might be the default because
Sasha forgot to explicitly set it or change his ~/.make.machines file
before doing some of the initial builds.
Setting max jobs to around 64 on a similar system (X4600 M2 16 cores @
2.6GHz
and 64GB) has full nightly (default developer.sh options - debug,
non-debug and
lint) completed in 45-60 minutes. Who cares if the load average is in
the
hundreds - that is what FSS is for on a shared system :-)
All of the experiments on the G4 since then have been with
DMAKE_MAX_JOBS set to 64.
Jonathan
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