In message <15568.17201.80743.521864@grasshopper.cs.duke.edu>, Andrew Gallatin
writes:
>FWIW, I just did a -j8 buildworld with & without HLT. The times were
>nearly identical, with the HLT kernel being ~15 seconds faster (real
>time) and using 56 seconds less system time. With a sample size of 1,
>I admit its hard to make any meaningful performance comparisons;
>but the system seems roughly as fast & did not deadlock.
>
>At least on these machines, the cooler office seems worth the risk ;)
>
>Drew
>
>==> world.log.hlt <==
> 1757.06 real 1694.33 user 674.49 sys
>
>==> world.log <==
> 1771.65 real 1696.62 user 730.04 sys
Your system time looks significant, the other two are a bit too
close to judge without a standard deviation.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG | TCP/IP since RFC 956
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