On 09/14/2014 11:34 PM, Peter Geoghegan wrote:
On Sun, Sep 14, 2014 at 7:37 AM, Heikki Linnakangas
<hlinnakan...@vmware.com> wrote:
Both values vary in range 5.9 - 6.1 s, so it's fair to say that the useless
memcmp() is free with these parameters.

Is this the worst case scenario?

Other than pushing the differences much much later in the strings
(which you surely thought of already), yes.

Please test the absolute worst case scenario you can think of. As I said earlier, if you can demonstrate that the slowdown of that is acceptable, we don't even need to discuss how likely or realistic the case is.

- Heikki



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