Overhead of individual python apps

[Neil Hodgson]

Dennis Lee Bieber:

> 	I've not investigated -- but what is the default stack size given to
> an application?

    Python has a stack reserve of 2000000 bytes but that is an 
allocation of virtual space. Pages are realised in that allocation as 
required with an initial stack commit of one page, 4096 bytes.

    Neil

C:\Python24>dumpbin /headers python.exe
Microsoft (R) COFF/PE Dumper Version 7.10.3077
Copyright (C) Microsoft Corporation.  All rights reserved.


Dump of file python.exe

PE signature found

File Type: EXECUTABLE IMAGE

FILE HEADER VALUES
              14C machine (x86)
                4 number of sections
         424A51B8 time date stamp Wed Mar 30 17:14:00 2005
                0 file pointer to symbol table
                0 number of symbols
               E0 size of optional header
              10F characteristics
                    Relocations stripped
                    Executable
                    Line numbers stripped
                    Symbols stripped
                    32 bit word machine

OPTIONAL HEADER VALUES
              10B magic # (PE32)
             7.10 linker version
              400 size of code
              A00 size of initialized data
                0 size of uninitialized data
             1062 entry point (1D001062)
             1000 base of code
             2000 base of data
         1D000000 image base (1D000000 to 1D004FFF)
             1000 section alignment
              200 file alignment
             4.00 operating system version
             0.00 image version
             4.00 subsystem version
                0 Win32 version
             5000 size of image
              400 size of headers
                0 checksum
                3 subsystem (Windows CUI)
                0 DLL characteristics
           1E8480 size of stack reserve
             1000 size of stack commit
           100000 size of heap reserve
             1000 size of heap commit
...