Re: [PATCH] zerocopy NFS for 2.5.36

Aaron Lehmann (aaronl@vitelus.com)
Wed, 18 Sep 2002 19:13:33 -0700


> akpm:/usr/src/cptimer> ./cptimer -d -s
> nbytes=10240 from_align=0, to_align=0
> copy_32: copied 19.1 Mbytes in 0.078 seconds at 243.9 Mbytes/sec
> __copy_duff: copied 19.1 Mbytes in 0.090 seconds at 211.1 Mbytes/sec

It's disappointing that this program doesn't seem to support
benchmarking of MMX copy loops (like the ones in arch/i386/lib/mmx.c).
Those seem to be the more interesting memcpy functions on modern
systems.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/