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From Stas Bekman <s...@stason.org>
Subject Re: compiling perl on freebsd to support ithreads
Date Wed, 27 Apr 2005 15:01:30 GMT
Tom Schindl wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> Stas Bekman schrieb:
> | Tom Schindl wrote:
> | [...]
> |
> |> Perl with compiled threads support (used or not used) is much slower and
> |> when new threads are started the whole memory is copied over because
> |> there's no copy-on-write logic like there is for fork.
> |
> |
> | Actually there is COW in the recent perls, but it doesn't perform very
> | well.
> |
> |
> 
> Good to know. I'm following p5p but have only recognized the CLONE_SKIP
> discussion ;-)

Just visited the p5p Olympus, and I was told that while COW exists it's 
not used by perl_clone (threads) yet. But it's planned to try and see 
whether it improves the situation some time later (probably after Nicholas 
releases 5.8.7).

-- 
__________________________________________________________________
Stas Bekman            JAm_pH ------> Just Another mod_perl Hacker
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