Re: [PATCH RFC] [X86] performance improvement for memcpy_64.S by fast string.
From: Andi Kleen
Date: Fri Nov 06 2009 - 11:51:38 EST
> Intel Nehalem improves the performance of REP strings significantly
> over previous microarchitectures in several ways:
The problem is that it's not necessarily a win on older CPUs to
do it this way.
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/