On 22 September 2013 03:55, erik quanstrom <quanstro@quanstro.net> wrote:

>
>         new     1.55e10         O=10    M=8
>         old     2.74e10
>
>         new     3.64e10         O=0     M=8
>         old     5.14e10
>
> am i doing something fundamental wrong, or are the new locks substantially
> slower than the old ones?
>

In those cases, the new times seem to be quite a bit faster, more than they
are slower in the cases you found
slower, which involved only one process (if I understand the tests)