Aaron Lehmann wrote:
> > 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
Well the source is there, and the licensing terms are most reasonable.
But then, the source was there eighteen months ago and nothing happened.
I think in-kernel MMX has fatal drawbacks anyway. Not sure what
they are - I prefer to pretend that x86 CPUs execute raw C.
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This archive was generated by hypermail 2b29 : Mon Sep 23 2002 - 22:00:25 EST