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Date: Mon, 20 May 2013 19:04:50 +0100
Subject: Re: Please help with Threading
From: =?ISO-8859-1?Q?F=E1bio_Santos?= <fabiosantosart@gmail.com>
To: Dave Angel <davea@davea.name>
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Xref: csiph.com comp.lang.python:45629

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I didn't know that.
On 20 May 2013 12:10, "Dave Angel" <davea@davea.name> wrote:
> Are you making function calls, using system libraries, or creating or
deleting any objects?  All of these use the GIL because they use common
data structures shared among all threads.  At the lowest level, creating an
object requires locked access to the memory manager.
>
>
> Don't forget, the GIL gets used much more for Python internals than it
does for the visible stuff.

I did not know that. It's both interesting and somehow obvious, although I
didn't know it yet.

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<p dir=3D"ltr">I didn&#39;t know that.<br>
On 20 May 2013 12:10, &quot;Dave Angel&quot; &lt;<a href=3D"mailto:davea@da=
vea.name">davea@davea.name</a>&gt; wrote:<br>
&gt; Are you making function calls, using system libraries, or creating or =
deleting any objects? =A0All of these use the GIL because they use common d=
ata structures shared among all threads. =A0At the lowest level, creating a=
n object requires locked access to the memory manager.<br>

&gt;<br>
&gt;<br>
&gt; Don&#39;t forget, the GIL gets used much more for Python internals tha=
n it does for the visible stuff.</p>
<p dir=3D"ltr">I did not know that. It&#39;s both interesting and somehow o=
bvious, although I didn&#39;t know it yet. </p>

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