[Pdx-pm] string comparison vs hash

chromatic chromatic at wgz.org
Tue May 29 15:54:55 PDT 2007


On Tuesday 29 May 2007 15:35:07 Austin Schutz wrote:

> 	You are using different file reading techniques. That could be
> _very_ significant. If you are going to slurp all the lines for the
> string comparison you should do the same for the hash.

Worse than that, the first code to read the file pays the penalty of 
populating file buffers.  Subsequent reads probably all come from a warm 
cache.

Mixing IO with benchmarks usually skews the results heavily.

-- c


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