Travis Oliphant wrote:
So, I now believe that his code (plus the array scalar extension type)
was actually exposing a real bug in the memory manager itself. In
theory, the Python memory manager should have been able to re-use the
memory for the array-scalar instances because they are
Martin v. Löwis wrote:
One way (I think the only way) this could happen if:
- the objects being allocated are all smaller than 256 bytes
- when allocating new objects, the requested size was different
from any other size previously deallocated.
So if you first allocate 1,000,000 objects
On Tue, 2005-11-22 at 23:04 -0600, Paul Jimenez wrote:
It is my assertion that urlparse is currently broken. Specifically, I
think that urlparse breaks an abstraction boundary with ill effect.
In writing a mailclient, I wished to allow my users to specify their
imap server as a url, such
Hi,
On Thu, Nov 24, 2005 at 01:59:57AM -0800, Robert Kern wrote:
You can get the version of scipy_core just before the fix that Travis
applied:
Now we can start debugging :-)
http://projects.scipy.org/scipy/scipy_core/changeset/1490
This changeset alone fixes the small example you
Hi,
Ok, here is the reason for the leak...
There is in scipy a type called 'int32_arrtype' which inherits from both
another scipy type called 'signedinteger_arrtype', and from 'int'.
Obscure! This is not 100% officially allowed: you are inheriting from
two C types. You're living dangerously!
On Thu, 2005-11-24 at 14:11 +, Duncan Grisby wrote:
Hi,
I posted this to comp.lang.python, but got no response, so I thought I
would consult the wise people here...
I have encountered a problem with the re module. I have a
multi-threaded program that does lots of regular expression
On Thursday 24 November, Donovan Baarda wrote:
I don't know if this will help, but in my experience compiling re's
often takes longer than matching them... are you sure that it's the
match and not a compile that is taking a long time? Are you using
pre-compiled re's or are you dynamically
Donovan Baarda wrote:
I don't know if this will help, but in my experience compiling re's
often takes longer than matching them... are you sure that it's the
match and not a compile that is taking a long time? Are you using
pre-compiled re's or are you dynamically generating strings and using
Armin Rigo wrote:
Hi,
Ok, here is the reason for the leak...
There is in scipy a type called 'int32_arrtype' which inherits from both
another scipy type called 'signedinteger_arrtype', and from 'int'.
Obscure! This is not 100% officially allowed: you are inheriting from
two C types.
Armin Rigo wrote:
Hi,
Ok, here is the reason for the leak...
There is in scipy a type called 'int32_arrtype' which inherits from both
another scipy type called 'signedinteger_arrtype', and from 'int'.
Obscure! This is not 100% officially allowed: you are inheriting from
two C types.
While running regrtest with -R to find reference leaks I found a usage
issue. When a codec is registered it is stored in the interpreter
state and cannot be removed. Since it is stored as a list, if you
repeated add the same search function, you will get duplicates in the
list and they can't be
Neal Norwitz wrote:
While running regrtest with -R to find reference leaks I found a usage
issue. When a codec is registered it is stored in the interpreter
state and cannot be removed. Since it is stored as a list, if you
repeated add the same search function, you will get duplicates in the
On 11/24/05, M.-A. Lemburg [EMAIL PROTECTED] wrote:
Should users have access to the search path (through a
codecs.unregister())?
Maybe, but why would you want to unregister a search function ?
If so, should it search from the end of the
list to the beginning to remove an item? That
Neal Norwitz wrote:
On 11/24/05, M.-A. Lemburg [EMAIL PROTECTED] wrote:
Should users have access to the search path (through a
codecs.unregister())?
Maybe, but why would you want to unregister a search function ?
If so, should it search from the end of the
list to the beginning to remove an
Hi Travis,
On Thu, Nov 24, 2005 at 10:17:43AM -0700, Travis E. Oliphant wrote:
Why doesn't the int32
type inherit its tp_free from the early types first?
In your case I suspect that the tp_free is inherited from the tp_base
which is probably 'int'. I don't see how to fix typeobject.c,
There are still a few reference leaks I've been able to identify. I
didn't see an obvious solution to these (well, I saw one obvious
solution which crashed, so obviously I was wrong).
When running regrtest with -R here are the ref leaks reported:
test_codeccallbacks leaked [2, 2, 2, 2]
Martin v. Löwis wrote:
Travis Oliphant wrote:
So, I now believe that his code (plus the array scalar extension
type) was actually exposing a real bug in the memory manager itself.
In theory, the Python memory manager should have been able to re-use
the memory for the array-scalar
Martin v. Löwis wrote:
Travis Oliphant wrote:
As verified by removing usage of the Python PyObject_MALLOC function,
it was the Python memory manager that was performing poorly. Even
though the array-scalar objects were deleted, the memory manager
would not re-use their memory for later
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