[MLton-devel] CPU utilization

Stephen Weeks MLton@mlton.org
Wed, 2 Jul 2003 18:06:23 -0700


For some reason, on my desktop machine, CPU utilization of
MLton-compiled executables is about 50%.  The MLton version doesn't
see to matter -- I tried all the way back to 20010706 and got roughly
the same utilization.  Here are the times I see for barnes-hut
(4096).

version
--------
20010706	36.32user 0.36system 1:15.25elapsed
20020410	30.18user 0.44system 1:02.25elapsed
20020712	30.57user 0.07system 1:01.99elapsed
20020923	31.64user 0.11system 1:05.40elapsed
20030312	31.69user 0.09system 1:05.53elapsed
current		33.64user 0.06system 1:09.16elapsed

However, the same executable that gets 50% on my desktop gets 100% on
my server machine.

Any ideas on why this might be, or how to find out, and how to fix it?



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