Should I use Python 32bit or Python 64bit

Question

I have a win7 64bit installation  Must I use Python 64bit  What are the differences between the 32bit and 64bit Python versions anyway  Do different Python packages  such as south  django  mysqldb etc  support only 32bit 64bit

User · Answer

I had trouble running python app  running large dataframes  in 32 - got MemoryError message  while on 64 it worked fine

User · Answer

Machine learning packages like tensorflow 2 x are designed to work only on 64 bit Python as they are memory intensive

User · Answer

You do not need to use 64bit since windows will emulate 32bit programs using wow64  But using the native version  64bit  will give you more performance

User · Answer

In my experience  using the 32-bit version is more trouble-free  Unless you are working on applications that make heavy use of memory  mostly scientific computing  that uses more than 2GB memory   you re better off with 32-bit versions because    You generally use less memory  You have less problems using COM  since you are on Windows   If you have to load DLLs  they most probably are also 32-bit  Python 64-bit can t load 32-bit libraries without some heavy hacks running another Python  this time in 32-bit  and using IPC  If you have to load DLLs that you compile yourself  you ll have to compile them to 64-bit  which is usually harder to do  specially if using MinGW on Windows   If you ever use PyInstaller or py2exe  those tools will generate executables with the same bitness of your Python interpreter

User · Answer

64 bit version will allow a single process to use more RAM than 32 bit  however you may find that the memory footprint doubles depending on what you are storing in RAM  Integers in particular    For example if your app requires   2GB of RAM  so you switch from 32bit to 64bit you may find that your app is now requiring   4GB of RAM   Check whether all of your 3rd party modules are available in 64 bit  otherwise it may be easier to stick to 32bit in the meantime

User · Answer

Use the 64 bit version only if you have to work with heavy amounts of data  in that scenario  the 64 bits performs better with the inconvenient that John La Rooy said  if not  stick with the 32 bits

[python] Should I use Python 32bit or Python 64bit

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