cpython/PC/dllbase_nt.txt

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In Win32, DLL's are "pre-linked" using a specified base address.
When the DLL is loaded, an attempt is made to place it at
that address. If that address is already in use, a new base address
is selected, and the DLL subject to fixups. Apparently, these
fixups are very slow, and significant performance gains can be
made by selecting a good base address.
This document is to allocate base addresses to core Python
and Python .PYD files, to give a better change of optimal performance.
This base address is passed to the linker using the /BASE
command line switch.
Python.dll - 1e100000 - 1e180000 (-1)
Standard Extension Modules 1e180000 - 1e200000 ""
- bsddb 1e180000 - 1e188000 ""
- _tkinter 1e190000 - 1e1A0000
- parser 1e1A0000 - 1e1B0000
- zlib 1e1B0000 - 1e1C0000
- winreg 1e1C0000 - 1e1D0000
- _socket 1e1D0000 - 1e1E0000
- _sre 1e1E0000 - 1e1F0000
- mmap 1e1F0000 - 1e1FFFFF
More standard extensions 1D100000 - 1e000000
- pyexpat 1D100000 - 1D110000
- select 1D110000 - 1D120000
- unicodedata 1D120000 - 1D130000
- winsound 1D130000 - 1D140000
Other extension modules
- win32api 1e200000 - 1e220000
- win32ras 1e220000 - 1e230000
- win32lz 1e230000 - 1e240000
- timer 1e240000 - 1e250000
- mmapfile 1e250000 - 1e260000
- win32pipe 1e260000 - 1e270000
- avl 1e270000 - 1e270000
- dbhash 1e280000 - 1e290000
- win32net 1e290000 - 1e2A0000
- win32security 1e2A0000 - 1e2B0000
- win32print 1e2B0000 - 1e2c0000
- <nspi is dead too??> 1e2d0000 - 1e2e0000
- win32gui 1e2e0000 - 1e2f0000
- _imaging 1e2f0000 - 1e300000
- multiarray 1e300000 - 1e310000
- win32help 1e310000 - 1e320000
- win32clipboard 1e320000 - 1e330000
PythonWin
win32ui 1e400000 - 1e500000