[PATCH 1 of 5] parsers: add a function to efficiently lowercase ASCII strings

[Siddharth Agarwal]

On 10/04/2014 03:55 AM, Antoine Pitrou wrote:
> Why do you memcpy() first? You could read from str directly inside the
> loop.

Leftover from an earlier attempt. Removing the memcpy results in a 
further 10% speedup. Nice. I'll resend with updated performance numbers.

- Siddharth


>
> Regards
>
> Antoine.
>
>
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