On Feb 1, 2008, at 7:24 PM, Zbigniew wrote:
Thanks Shawn. Your results are really similar to Ivan's Xeon,
which was
running 64-bit. You both had a huge number of major GCs, in the 6-7k
range. I believe that you are seeing not only the effect of the
stack frame
difference we're seeing on certain 32-bit systems, but also the double
word size of 64-bit machines.
If you were to rerun your binary with a double-size stack (256k) to
account for the 64-bit words, I bet your GCs would go down
substantially.
Try:
$ ./shinn -:s256k
4446 minors and 816 majors with that (Using the -Ob compiled one),
and 15
seconds of run time. Some trials using real-world chicken programs
with the
larger stack size show a less-significant but still present speedup.
I'm thinking
it would be a good idea to increase the default stack size on 64-bit
hosts.
--
Shawn W.
[EMAIL PROTECTED]
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