Re: [PATCHV2 3/3] x86, ras: Add mcsafe_memcpy() function to recover from machine checks
From: Borislav Petkov
Date: Tue Dec 15 2015 - 14:28:50 EST
On Tue, Dec 15, 2015 at 07:19:58PM +0000, Elliott, Robert (Persistent Memory) wrote:
...
> Due to the historic long latency of storage devices,
> applications don't re-read from storage again; they
> save the results.
> So, the streaming-load instructions are beneficial:
That's the theory...
Do you also have some actual performance numbers where non-temporal
operations are better than the REP; MOVSB and *actually* show
improvements? And no microbenchmarks please.
Thanks.
--
Regards/Gruss,
Boris.
ECO tip #101: Trim your mails when you reply.
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