criterion /

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Criterion: robust, reliable performance measurement

This package provides the Criterion module, a Haskell library for
measuring and analysing the performance of Haskell programs.

To get started, read the documentation for the Criterion.Main module,
and take a look at the programs in the examples directory.

Building and installing

To build and install criterion, just run

  cabal install criterion

On Mac OS X, the Chart library that criterion uses is not available,
so you'll have to build without it.

  cabal install criterion -f-chart
This will lose you the ability to generate charts, but you'll still be
able to generate CSV files and import them into your favourite
spreadsheet, or gnuplot, or whatnot.

Get involved!

Please feel welcome to contribute new code or bug fixes.  You can
fetch the source repository from here:

darcs get


Bryan O'Sullivan <>