Word frequency: Difference between revisions
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m (→{{header|Haskell}}: workaround failing syntax highlighting (doesn't seem to know that ' is a symbol character)) |
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Using IORefs as values in the map seems to give a ~2x speedup on large files: |
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Using IORefs as values in the map seems to give a ~2x speedup on large files. The below code is based on https://github.com/composewell/streamly-examples/blob/master/examples/WordFrequency.hs , but still using lazy IO to avoid the extra library dependency (in production you should [https://stackoverflow.com/questions/5892653/whats-so-bad-about-lazy-i-o use a streaming library] like streamly/conduit/io-streams): |
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<lang haskell> |
<lang haskell> |
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module Main where |
module Main where |
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