[SciPy-User] Multiprocessing and shared memory
Sun Oct 18 23:50:12 CDT 2009
Felix Schlesinger skrev:
> Now that you say it, I agree, that really show be true (unless the kernel does
> some magic 'optimization' here and gets it very wrong).
It's not the kernel that actually does the copy-on-write. It's
implemented in hardware (the paging memory management unit). A page (4k)
will be copied if it's marked for copy on write.
More information about the SciPy-User