sh(1) vfork patch, with benchmarks

[Jilles Tjoelker]

On Wed, Jan 25, 2012 at 11:54:46PM +0100, Jilles Tjoelker wrote:
> [snip]
> x micro-vfork-timings1-n
> + micro-vfork-timings1-y
> +------------------------------------------------------------------------------+
> |    +                                                                         |
> |    +                                                                     x   |
> | + ++                                                              x      xx  |
> |++ ++                                                              xx     xx x|
> | |_A|                                                                |___AM_| |
> +------------------------------------------------------------------------------+
>     N           Min           Max        Median           Avg        Stddev
> x   9          3.86          4.05             4     3.9633333   0.076648549
> +   9          2.52           2.6          2.58     2.5722222   0.033082389
> Difference at 95.0% confidence
>         -1.39111 +/- 0.0589948
>         -35.0995% +/- 1.48851%
>         (Student's t, pooled s = 0.0590315)

> [snip]

I forgot to mention, the numbers are time in seconds (measured with
/usr/bin/time).

-- 
Jilles Tjoelker