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Wed May 19 22:17:22 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-May/100187.html

Does anybody think that by having problems with the new GIL that it might
further weaken the adoption rate for 3k? -peter

On 5/19/10 7:00 AM, "David Beazley" <dave at dabeaz.com> wrote:

>> From: "Martin v. L?wis" <martin at v.loewis.de>
>> To: Dj Gilcrease <digitalxero at gmail.com>
>> Cc: python-dev at python.org
>> Subject: Re: [Python-Dev] Fixing the GIL (with a BFS scheduler)
>> Message-ID: <4BF385E3.9030903 at v.loewis.de>
>> Content-Type: text/plain; charset=ISO-8859-1
>> 
>>> I think the new GIL should be given a year or so in the wild before
>>> you start trying to optimize theoretical issues you may run into. If
>>> in a year people come back and have some examples of where a proper
>>> scheduler would help improve speed on multi-core systems even more,
>>> then we can address the issue at that time.
>> 
>> Exactly my feelings.
>> 
> 
> Although I don't agree that the problem of I/O convoying is merely some
> "theoretical issue", I would agree with a go-slow approach---after all, the
> new GIL hasn't even appeared in any actual release yet.    It might be a good
> idea to prominently document the fact that the new GIL has some known
> performance issues (e.g., possible I/O convoying), but that feedback
> concerning the performance of real-world applications is desired.
> 
> Cheers,
> Dave
> 
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[Python-Dev] Fixing the GIL (with a BFS scheduler)