I was, although I'd have to check again what number I used. I set it to something with the SCONSOPTS (or similar) environment variable on each computer I use and then don't worry about it any more. You can see that the "real" time is substantially less than the other times added together, about 1/6th as much. Since I probably set -j to something more than 6 on that machine, I'd guess that's around where it saturates.

Gabe

Quoting Korey Sewell <[email protected]>:

Gabe,
do you think there will be any more of a difference when you build scons
with the "-j" flags?  (e.g scons -j2 or scons -j4)


On Sat, Jan 21, 2012 at 5:38 AM, Gabe Black <[email protected]> wrote:

Here are some build time numbers.

time scons build/X86/gem5.opt
real    4m35.081s
user    23m48.901s
sys     1m34.119s


time scons build/X86_SE/gem5.opt
real    4m10.493s
user    18m9.749s
sys     1m6.644s


time scons build/X86_FS/gem5.opt
real    4m33.993s
user    22m58.946s
sys     1m31.277s

Gabe
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- Korey
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