On 10 Şubat, 08:38, Brian 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 large programs wit
> 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 th
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() t
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
run
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 for
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 cl
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 chan
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:
http://groups.google.com/group/comp.lang.python/browse_thread/thread/fc01a6470245a704/f80733445ce30a36#f8
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 finished.
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 * result
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
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 pen
ec(ss)
>>> print ss
╣ --> how did this happen if the param and return values are same? I
cannot understand this. Something has todo with ref counts but I don't
understand the problem.
>>>
On Apr 6, 3:13 pm, k3xji wrote:
> Hi all,
>
> This might be a newbie question.
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:
> >> 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 overl
> >> 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 overl
On 29 Aralık, 11:52, "Gabriel Genellina"
wrote:
> En Mon, 29 Dec 2008 05:56:10 -0200, k3xji 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 t
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 = threading.Even
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)
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
test
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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,
>
>
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 method
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
> >&
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:
>
>
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; //
> 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 t
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
retu
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
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
See yield() statement.
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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 th
> 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
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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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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