From: Phrogz <gavin@...>
Date: 2006-09-05T00:05:24+09:00
Subject: Re: Happy Numbers (#93)

Sander Land wrote:
> Just had to test if there was any performance difference, results:
>
>       user     system      total        real
> inject(0)  20.320000   5.430000  25.750000 ( 34.486938)
> inject     20.450000   5.350000  25.800000 ( 30.152165)
> inject &:+ 37.860000   5.690000  43.550000 ( 45.670349)
> each       11.130000   3.460000  14.590000 ( 15.042142)
> C           0.020000   0.000000   0.020000 (  0.019815)
>
> so inject(0) vs inject doesn't really matter.

Interesting! Thanks for sharing. I'm surprised that #each with += is so
much faster.