I've seen this recommended in several different forums. One as a supposed way to boost performance, another to help sort problems.
Having read this I'm now a bit confused.
Is it worth doing or not?
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Basically, what windows prefetch does is it is supposed to open programs that have been opened before faster. In my opinion, these days prefetch doesn't do much since the computers are super fast you can't even see a difference. It's like IE Cache, when you open a page for the first time it will take 15 seconds (56k, example). But when you re-visted the site it will come up +-3 seconds.
An instruction that notifies the CPU that a particular cache line will be needed by a following instruction, permitting memory fetch to overlap execution. The prefetch instruction is simply a load that does not use its operand. Current SGI compilers can generate prefetch instructions automatically.
Clearing the prefetch should only be used to help with certain problems.
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