On 7 Oct 2013 07:28, "Victor Stinner" wrote:
>
> 2013/10/6 :
> > Quoting Antoine Pitrou :
> >
> >> The linecache module is used implicitly by the traceback and warnings
> >> module, so perhaps quite a bit more than one would imagine :-)
> >>
> >> I think limiting the linecache cache size would be
On 4 Oct 2013 07:17, "Guido van Rossum" wrote:
>
> On Thu, Oct 3, 2013 at 2:13 PM, Nick Coghlan wrote:
>>
>> On 4 Oct 2013 06:08, "Victor Stinner" wrote:
>> >
>> > 2013/10/3 Christian Heimes :
>> > > A hash algorithm can be added and one avaible hash
>> > > algorithm can be set before Py_Initial
2013/10/3 Victor Stinner :
> I worked on the implementation of the tracemalloc module and its PEP
> 454. I consider that this third version of the PEP is ready for a
> final review.
>
> HTML version of the PEP 454:
> http://www.python.org/dev/peps/pep-0454/
About the implementation.
I'm working i
On 6 October 2013 11:45, georg.brandl wrote:
> http://hg.python.org/cpython/rev/942b9420e7e9
> changeset: 86065:942b9420e7e9
> branch: 3.3
> parent: 86062:6ced4fb4f711
> user:Georg Brandl
> date:Sun Oct 06 12:46:13 2013 +0200
> summary:
> PythonCAD is now on PyQt, u
forwarding to the list , sorry ...
-- Forwarded message --
From: Olemis Lang
Date: Sun, 6 Oct 2013 17:09:38 -0500
Subject: Re: [Python-Dev] Reduce memory footprint of Python
To: Benjamin Peterson
On 10/6/13, Benjamin Peterson wrote:
> 2013/10/6 Victor Stinner :
>> 2013/10/6 Ben
On 10/6/13, Benjamin Peterson wrote:
> 2013/10/6 Victor Stinner :
>> Hi,
>>
:)
[...]
>>
>> unittest doesn't look to release memory (the TestCase class) after the
>> execution of a test.
>
> Is it important to optimize unittests for memory usage?
>
AFAICT , test results will stored the outcomes
Hello,
I am trying to understand how the free list linked-list evolves when an int
object is deallocated.
At the beginning, free_list is pointing to the last int object (n-1) in the
block. We initialize two int objects, free_list now points to the int object:
n-3.
free_list -> n-3
n-1 -> n-2
2013/10/6 :
> Quoting Antoine Pitrou :
>
>> The linecache module is used implicitly by the traceback and warnings
>> module, so perhaps quite a bit more than one would imagine :-)
>>
>> I think limiting the linecache cache size would be good enough.
>
> So what specific limit would you suggest?
B
On Sun, 06 Oct 2013 22:47:27 +0200
mar...@v.loewis.de wrote:
>
> Quoting Antoine Pitrou :
>
> > The linecache module is used implicitly by the traceback and warnings
> > module, so perhaps quite a bit more than one would imagine :-)
> >
> > I think limiting the linecache cache size would be good
Quoting Antoine Pitrou :
The linecache module is used implicitly by the traceback and warnings
module, so perhaps quite a bit more than one would imagine :-)
I think limiting the linecache cache size would be good enough.
So what specific limit would you suggest?
Regards,
Martin
_
Quoting Victor Stinner :
Slowly, I'm trying to see if it would be possible to reduce the memory
footprint of Python using the tracemalloc module.
[...]
Should I open a separated issue for each idea to track them in the bug
tracker, or a global issue?
There is a third alternative which I wou
On Sun, 06 Oct 2013 22:27:52 +0200
mar...@v.loewis.de wrote:
>
> Quoting Benjamin Peterson :
>
> >> If you know that your application uses a lot of memory, it is
> >> interesting to sometimes (when the application is idle) try to release
> >> some bytes to not use all the system memory. On embedd
Quoting Benjamin Peterson :
If you know that your application uses a lot of memory, it is
interesting to sometimes (when the application is idle) try to release
some bytes to not use all the system memory. On embedded devices,
memory is expensive and very limited. Each byte is important :-)
H
Benjamin wrote:
> Is it important to optimize unittests for memory usage?
2013/10/6 Georg Brandl :
> That does not seem very important, except if people execute test_import
> on every interpreter startup :)
Oh, I just realized that I forgot to explain why I'm starting with
unit tests. I ran the P
On 2013-10-06, at 12:37 , Stephen J. Turnbull wrote:
>
> For me, the point about string "+=" being efficient (sometimes) isn't
> that it is surprising compared to similar types, it's that it is
> surprising for any immutable sequence type.
It's clearly nitpicking, but ropes are immutable sequenc
Benjamin Peterson, 06.10.2013 17:41:
> 2013/10/6 Victor Stinner:
>> unittest doesn't look to release memory (the TestCase class) after the
>> execution of a test.
>
> Is it important to optimize unittests for memory usage?
Maybe "optimise" isn't the best word, but test suites can sometimes be hug
Amer writes:
> Hello,
>
> I would like to thank you for your great effort
> I have this question:
>
> I want to do the following IP address style in python
>
> ANY.45.10.ANY
> ANY.x.y.z
This list is for developing the Python language itself (including the
CPython interpreter and the st
2013/10/6 Victor Stinner :
> 2013/10/6 Benjamin Peterson :
>> 2013/10/6 Victor Stinner :
>>> Hi,
>>>
>>> Slowly, I'm trying to see if it would be possible to reduce the memory
>>> footprint of Python using the tracemalloc module.
>>>
>>> First, I noticed that linecache can allocate more than 2 MB.
2013/10/6 Benjamin Peterson :
> 2013/10/6 Victor Stinner :
>> Hi,
>>
>> Slowly, I'm trying to see if it would be possible to reduce the memory
>> footprint of Python using the tracemalloc module.
>>
>> First, I noticed that linecache can allocate more than 2 MB. What do
>> you think of adding a reg
Am 06.10.2013 17:32, schrieb Victor Stinner:
> Hi,
>
> Slowly, I'm trying to see if it would be possible to reduce the memory
> footprint of Python using the tracemalloc module.
>
> First, I noticed that linecache can allocate more than 2 MB. What do
> you think of adding a registry of "clear cac
Hi,
On Sun, 6 Oct 2013 17:32:37 +0200
Victor Stinner wrote:
>
> Slowly, I'm trying to see if it would be possible to reduce the memory
> footprint of Python using the tracemalloc module.
>
> First, I noticed that linecache can allocate more than 2 MB. What do
> you think of adding a registry o
2013/10/6 Victor Stinner :
> Hi,
>
> Slowly, I'm trying to see if it would be possible to reduce the memory
> footprint of Python using the tracemalloc module.
>
> First, I noticed that linecache can allocate more than 2 MB. What do
> you think of adding a registry of "clear cache" functions? For
>
Hi,
Slowly, I'm trying to see if it would be possible to reduce the memory
footprint of Python using the tracemalloc module.
First, I noticed that linecache can allocate more than 2 MB. What do
you think of adding a registry of "clear cache" functions? For
exemple, re.purge() and linecache.clearc
Hello,
I would like to thank you for your great effort
I have this question:
I want to do the following IP address style in python
ANY.45.10.ANY
ANY.x.y.z
I tried something like:
10.45.10.1 0.255.255.0, but it is not accepted I got some errors
Any help is appreciated
Best regards,
Amer
___
Nick Coghlan writes:
> I suspect "list" may have been the intended comparison there.
> "array.array" is another appropriate comparison. Having bytearray
> operations differ in algorithmic complexity from those two types
> would be very strange and surprising
I don't see why. If you really w
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