Shared Memory, Caching and Virtual Memory - why do I care?
Submitted by asang on 7 December, 2006 - 07:50
Recently, I read a post on Sue Loh's WinCE Base Team Blog. That made me realize the rationale for using shared memory has changed with the advances in Computer Architecture. Traditionally, we are taught in our OS courses that if you have to share some data between two co-operating processes, there are two options:
- Copy the buffer from source to target process
- Create a shared memory area that both processes have access to and use that to share information.
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