memcpy vs slice copy

BCS none at anon.com
Mon Mar 16 12:29:44 PDT 2009


Hello Jarrett,

> I'm actually kind of shocked that given the prevalence of memory block
> copy operations that more CPUs haven't implemented it as a basic
> instruction.  Yes, RISC is nice, but geez, this seems like a
> no-brainer.
> 

How about memory to memory DMA, Why even make the CPU wait for it to finish?





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