On 10 Şubat, 08:38, Brian dribna...@gmail.com wrote:
I'm posting here because I can't find a Yappi specific mailing list.
I've been using the rather brilliant Yappi fromhttp://code.google.com/p/yappi/
It works well for small programs with a few threads. However, when
trying to run it over
I'll probably port 3148 to Python 2.x after its running happily in
Python 3.2.
Very good news.
One idea: Once library becomes reliable enough- of course there are
various use cases - but IMHO it perfectly fits the problem domain of
implementing an async DB library on top of it. I suppose
Hi,
Is there any work on porting PEP 3148 back to 2.x series. That is a
wonderful PEP, any many long-running applications are really in need
of some stable library for handling stuff in async way just as
proposed in this PEP.
Thanks,
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Please show the *exact* error message, including the traceback, by
copying and pasting it. Do not retype it by hand, or summarize it, or put
it into your own words.
Unfortunately this is not possible. The logging system I designed only
gives the following information, as we have millions of
Hi all,
We have a select-based server written in Python. Occasionally, maybe
twice a month there occurs a weird problem, select() returns with
filedescriptor out of range in select() error. This is of course a
normal error and handled gracefully. Our policy is to take down few
users for select()
Hi all,
Yappi (Yet Another Python Profiler) 0.51 released. See the version
highlights:
* OPTIMIZATION:Use per-pit cpc for better accuracy in different
timing_sample values. Now timing_sample is not linearly decreasing the
timing accuracy for most of the applications tested. We reduced the
Hi all,
yappi(yet another python profiler with multithreading support)
released.
See:
http://code.google.com/p/yappi/
Thanks,
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Hi,
yappi(yet another python profiler) is a Python Profiler with
multithreading support. This is the last beta version with some major
changes and bugfixes:
v0.3 Changes
-
[+] yappi did not compile out of box on VS2008. Fix the compile
issues. (Thanks to Kevin Watters)
[+] tidy up stat
Hi,
yappi(yet another python profiler) is a Python Profiler with
multithreading support. This is the last beta version with some major
changes and bugfixes:
v0.3 Changes
-
[+] yappi did not compile out of box on VS2008. Fix the compile
issues. (Thanks to Kevin Watters)
[+] tidy up stat
yappi(Yet Another Python Profiler) v0.2 released. Documentation is
updated.
Features:
* very efficient multi-threading profiling.
* profiler pollution effect (the overhead that the profiler put on
an application) can be viewed from the statistic results.
* may help to avoid deadlocks.
Forgot to give the link:
http://code.google.com/p/yappi/
Twitter:
http://twitter.com/sumercip
Thanks,
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Sumer Cip
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Support the Python Software Foundation:
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Hi all,
After implementing a game server on which 100k people playing games
per-day, it turns out to be that continuous and efficient profiling is
key to improve an long-running applications like these. With this idea
in mind, I am motivated to write a profiler. I am not a Python expert
or even
Hi all,
Started a project year ago with hard goals in mind : Developing a game
server which can handle thousands of clients simultaneously.System
must be stable, scalable, efficient, and if the client need to migrate
the server to another OS, this will be a matter of time, if possible
without
Hi all,
Yesterday I opened a thread for this issue where I was calling
sys.setcheckinterval() with sys.maxint and then try to set it to a
lower value but did not succeed with that. Here it is:
Hi all,
I want unpreempted behavior for some application and do some testing
as below. Well the unpreemption behavior is working fine with
sys.setcheckinterval(sys.maxint). However, when I set the interval to
a lower value, the thread does not being preempted anymore, it runs
until it is
Whan I run the following function, I see a mem leak, a 20 mb of memory
is allocated and is not freed. Here is the code I run:
import esauth
for i in range(100):
... ss = esauth.penc('sumer')
...
for i in range(100):
... ss = esauth.penc('sumer')
...
And here is the penc()
When I run the following function, I seem to have a mem leak, a 20 mb
of memory
is allocated and is not freed. Here is the code I run:
import esauth
for i in range(100):
... ss = esauth.penc('sumer')
...
for i in range(100):
... ss = esauth.penc('sumer')
...
And here is the
Interestaing I changed malloc()/free() usage with PyMem_xx APIs and
the problem resolved. However, I really cannot understand why the
first version does not work. Here is the latest code that has no
problems at all:
static PyObject *
penc(PyObject *self, PyObject *args)
{
PyObject *
Hi all,
This might be a newbie question. I am trying to implement a simple
string decoder/encoder algorithm. Just suppose I am substrcating some
values from the string passed as a parameter to the function and I
want the function to return encoded/decoded version of the string.
Here is the call:
todo with ref counts but I don't
understand the problem.
On Apr 6, 3:13 pm, k3xji sum...@gmail.com wrote:
Hi all,
This might be a newbie question. I am trying to implement a simple
string decoder/encoder algorithm. Just suppose I am substrcating some
values from the string passed
Note that the thread acquires the lock ONCE, repeats several thousand
times an assignment to a *local* variable called GLOBAL_VAR (!), finally
releases the lock and exits. As every thread does the same, they just
run
one after another, they never have a significant overlap.
Ok.
Note that the thread acquires the lock ONCE, repeats several thousand
times an assignment to a *local* variable called GLOBAL_VAR (!), finally
releases the lock and exits. As every thread does the same, they just
run
one after another, they never have a significant overlap.
Ok.
Hi,
I am trying to see on which situations does the Read-Write Lock
performs better on primitive Lock() itself. Below is the code I am
using to test the performance:
import threading
import locks
import time
class mylock(object):
def __init__(self):
self.__notreading =
On 29 Aralık, 11:52, Gabriel Genellina gagsl-...@yahoo.com.ar
wrote:
En Mon, 29 Dec 2008 05:56:10 -0200, k3xji sum...@gmail.com escribió:
I am trying to see on which situations does the Read-Write Lock
performs better on primitive Lock() itself. Below is the code I am
using to test
Hi all,
I have written a simple multithreaded profiler using decorators. Below
is how it works:
1) Iterate all modules in sys.modules and iterate each function/ class
methods inside them, means all of them including built-in methods.
2) Decorate the methods and functions to a global function.
3)
Hi,
Is there a way to hook a function call in python? I know __getattr__
is doing for variables, it is giving us a chance before a field is
initialized. Do we have same functionality for methods?
Example:
class Foo(object):
def __call_method__(self, ...) # just pseudo
print 'A
On Dec 4, 5:48 pm, Steven D'Aprano [EMAIL PROTECTED]
cybersource.com.au wrote:
On Thu, 04 Dec 2008 06:23:28 -0800, k3xji wrote:
Hi,
Is there a way to hook a function call in python? I know __getattr__ is
doing for variables,
What do you mean variables? Do you mean attributes
test
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Thanks for the tips.
3/ Now fact is that even all this won't probably be enough to implement
a robust generic profiler - something which obviously requires a deep
understanding of the language *and* it's implementation.
Indeed. Maybe not generic,but with these information at least I can
write my
On Nov 26, 1:34 pm, Stefan Behnel [EMAIL PROTECTED] wrote:
k3xji wrote:
I am new to Python C API and finding it difficult to debug C
extensions. So, basically I want to see the value of an integer value
during the C API. Here is the code:
#define LAST_MIX_VAL 0xDEADBEEF
static
On Nov 26, 1:43 pm, Diez B. Roggisch [EMAIL PROTECTED] wrote:
k3xji wrote:
On Nov 26, 1:34 pm, Stefan Behnel [EMAIL PROTECTED] wrote:
k3xji wrote:
I am new to Python C API and finding it difficult to debug C
extensions. So, basically I want to see the value of an integer value
during
Hi all,
I am new to Python C API and finding it difficult to debug C
extensions. So, basically I want to see the value of an integer value
during the C API. Here is the code:
#define LAST_MIX_VAL 0xDEADBEEF
static PyObject *
chash(PyObject *self, PyObject *args)
{
unsigned int key,result;
Hi all,
As development goes on for a server project, it turns out that I am
using the MySQLDB and DB interactions excessively. One questions is
just bothering me, why don't we have a timeout for queries in PEP 249
(DB API)?
Is it really safe to wait for a query to finish, means, is it always
Try spawning a new process to run your query
in. Use the multiprocessing library. Your main
application can then just poll the db/query processes
to see if they're a) finished and b) have a result
Your application server can also c0 kill long running
queries that are deemed to be taking
Hi all,
This will probably be a long question/short answer, sorry, but I have
wandered net about the subject and really feel cannot find just enough
information.I want to ask my question by giving an example to
explicitly express my understanding which may be also wrong:
So, let's have a string
Hi all,
This will probably be a long question/short answer, sorry, but I have
wandered net about the subject and really feel cannot find just enough
information.I want to ask my question by giving an example to
explicitly express my understanding which may be also wrong:
So, let's have a string
I think what I am looking for is SetConsoleCtrlHandler(..) which
receives signals for CTRL+C and system shutdown. I don't want to take
the power outage into account because as far as I can see there is no
portable/simple/reliable way to accomplish that. So, thanks for the
tip again.
So what is
See yield() statement.
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Hi all,
Is there anyway to detect abnormal interpreter shutdown like (closing
from task manager, power shutdown of the PC..etc)?
Regards,
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If you mean detecting abnormal shutdown after the fact, as opposed to
catching it while happening, you could create an empty temp file when
the program starts and delete it upon normal termination.
I have a server application, and I want to take some actions *before*
the shutdown. I assumed to
Hi all,
I am trying to develop a game-server in python. Design is as
following:
- ConnectionManager - handling/distributing incoming connections
- IOManager - handling IO recv/send operations on sockets.
(inheritable)
- Socket - basic async socket object
- SocketServer - handling multiple socket
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