How much memory does a process take

[Alamelu]

Does a process take 4 GB of memory ? what if the application requires more
than 4 gb?

 

[Bo Persson]

Does a process take 4 GB of memory ? what if the application
requires more than 4 gb?

It depends.

The most common 32 bit operating systems have a 4 GB virtual address
space, normally giving 2 GB to each process, and keeping 2 GB to
itself. Nothing is forcing a process to use all its memory, of course.

If the application requires more, I guess the options are either to
make it require less, or move to 64 bit operating system. There the
address space is much larger.


Bo Persson

 

[Armin Zingler]

Does a process take 4 GB of memory ? what if the application requires
more than 4 gb?

Use a 64-bit platform (and a 64-bit targeted application).

See
http://msdn.microsoft.com/en-us/library/aa384271(VS.85).aspx
http://msdn.microsoft.com/en-us/library/aa366912(VS.85).aspx

including sub topic
http://msdn.microsoft.com/en-us/library/aa366778(VS.85).aspx


Armin