* Rabin Vincent <[email protected]> wrote: > The memcpy and memset benchmarks return bogus results when iterations > > 0 because the iterations value is not taken into account when > calculating the final result: > > $ perf bench mem memset --only-prefault --length 1GB --iterations 1 > # Running 'mem/memset' benchmark: > # Copying 1GB Bytes ... > > 20.798669 GB/Sec (with prefault) > $ perf bench mem memset --only-prefault --length 1GB --iterations 10 > # Running 'mem/memset' benchmark: > # Copying 1GB Bytes ... > > 2.086576 GB/Sec (with prefault) > $ perf bench mem memset --only-prefault --length 1GB --iterations 100 > # Running 'mem/memset' benchmark: > # Copying 1GB Bytes ... > > 212.840917 MB/Sec (with prefault) > > Fix this. > > Signed-off-by: Rabin Vincent <[email protected]>
Acked-by: Ingo Molnar <[email protected]> Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
