On Wed, 2016-02-03 at 12:59 -0800, Khem Raj wrote:
> in systems of  this age it should be yet.

Sorry, I didn't really understand that comment.

For what it's worth, as a very quick and fairly unscientific comparison,
I did "time make -j4" in a glibc tree and got:

real    1m38.812s
user    4m6.420s
sys     0m23.148s

and then I cleaned the tree and did "time make -j4 CFLAGS='-O2 -g
-pipe'" and got:

real    1m37.299s
user    4m21.420s
sys     0m27.304s

I'm not sure these results are statistically significant but on this
very limited evidence it certainly doesn't look like -pipe is providing
any transformational benefits.  The real time has gone down a tiny bit,
which suggests that -pipe is giving some extra parallelism, but the
system and user time have both actually gone up in the second case. 

p.


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