[Py2exe-users] RE: Startupt time: .exe slower than .py

[Denis B. <bar...@bp...>]

Hello,

as far I know, Python source are easy recoverable from bytecode (*.pyc) 
files, so you can send *.py ;-)

I suppose, for more detailed diagnostic you can use python profiler 
(profile module) or logging module (for timestamping function calling).


Regards,
Denis Barmenkov


Date: Wed, 16 Jun 2004 08:25:45 +0200
From: "POYEN OP Olivier (DCL)" <Oli...@cl...>
To: <py2...@li...>
Subject: [Py2exe-users] Startupt time: .exe slower than .py

Hi all,

just subscribe to py2exe ml.

python 2.3
py2exe 0.5.0
wxpython 2.4.2.4
Pentium 4, 512 Mb RAM/3.2 Ghz - Win 2K SP3

This may be a known issue (/feature) or perhaps this is totally =
understandable once you know py2exe internals, but I have different =
startup time between script and its .exe


I saw that between a script launched in command line=20

python myscript.py

and an executable from the same file made with py2exe

./myscript.exe

the .exe is noticably slower to launch than the script

The script is a  wxpython software and after initialisation and creation =
of the gui, I start the initialization of a cache system, which output =
debug stuff.
The whole system is also connecting to another propriatery system to =
fecth data.=20
But anyway, those connections should "spend" the same time wheter they =
came from script or from .exe
And clearly, my debug output are far more slower to be printed in the =
.exe stuff than in the script version.


To give you borring details, both files, (sources, executables, =
images,..) are on the networks, not on the local HD.=20

I really don't know why, but, like always, the only things I can deliver =
are .exe and not .py files.=20
So, I have to stay with .exe.

I tweak my script a lot, and it's startup time is reasonably low, but =
the startup time of the .exe is like 4 or 5 times longer.=20

Is this a known issue, or the consequence of the whole py2exe system, =
and then I can't do anything about it ?=20
Or does it came from the fact that I have to read from a big librairie =
.zip file (2 MO. not so huge), in order to load primary modules, which =
turns to be slow.

Is there anything I can do about it ?=20
Or is there any debug options I can turn on to know more about what =
happens ?

Thanks for any comments/help/stuff.....

And by the way, did I really need to say that I enjoy using py2exe, that =
without it I would be obliged to use VB or VisualC++, or worse to stop =
using python.=20

Thanks for giving my job some hapy(thon)ness !


---OPQ
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