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To: python-list@python.org
From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: RE Module Performance
Date: Sun, 28 Jul 2013 15:06:34 -0400
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On 7/28/2013 2:29 PM, Chris Angelico wrote:
> On Sun, Jul 28, 2013 at 7:19 PM, Joshua Landau <joshua@landau.ws> wrote:

>> Somewhat off topic, but befitting of the triviality of this thread, do I
>> understand correctly that you are saying garbage collection never causes any
>> noticeable slowdown in real-world circumstances? That's not remotely true.
>
> If it's done properly, garbage collection shouldn't hurt the *overall*
> performance of the app;

There are situations, some discussed on this list, where doing gc 
'right' means turning off the cycle garbage collector. As I remember, an 
example is creating a list of a million tuples, which otherwise triggers 
a lot of useless background bookkeeping. The cyclic gc is tuned for 
'normal' use patterns.

-- 
Terry Jan Reedy