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Re: High run time variance
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From: |
Ludovic Courtès |
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Subject: |
Re: High run time variance |
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Date: |
Tue, 30 Mar 2010 15:01:44 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Hello,
Luca Saiu <address@hidden> writes:
> The effect is much weaker in either case, when using tail-recursive
> functions. This is interesting.
Another guess: it could be that the non-tail-recursive version fills the
L2 cache (/sys/devices/system/cpu/cpu0/cache/index2/size says it’s 2 MiB
on my laptop), or something like that.
Thanks,
Ludo’.