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Is there any way to disable the hardware prefetcher in Intel core i3 /i7 ?

Although I have posted related question in stackoverflow, but no solution till now.

https://stackoverflow.com/questions/19474791/does-intel-support-disabling-hardware-prefetcher-through-msr-for-core-i7

I have tried to change the MSR bit , but got error message. I have mentioned it here.

https://stackoverflow.com/questions/19435788/unable-to-disable-hardware-prefetcher-in-core-i7

Any suggestion will be highly appreciated

1 Answer 1

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I just got to know from the link, that from Nehalem onwards, Intel has disabled the option of controlling prefetching from the MSRs, the BIOS seems to be the only way then. I'm not sure how prefetching can be disabled if the BIOS does not provide an option.

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