Difference between revisions of "Performance/Strings"
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too much. In this case, you can instead use packed strings. There are a |
too much. In this case, you can instead use packed strings. There are a |
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number of options: |
number of options: |
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| − | + | * The standard Data.PackedString type |
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| − | + | * One of the newer packed string libraries, for example [http://www.cse.unsw.edu.au/~dons/fps.html FastPackedString] |
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| − | * Unboxed arrays of Word8 or Char |
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| − | + | * Unboxed arrays of Word8 or Char |
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| + | * Ptrs to foreign malloced Word8 buffers |
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The packed string libraries have the benefit over arrays of Word8 or |
The packed string libraries have the benefit over arrays of Word8 or |
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Revision as of 19:37, 17 February 2006
| Haskell Performance Resource
Constructs: Techniques: |
Strings
Sometimes the cost of representing strings as lists of Char can be too much. In this case, you can instead use packed strings. There are a number of options:
- The standard Data.PackedString type
- One of the newer packed string libraries, for example FastPackedString
- Unboxed arrays of Word8 or Char
- Ptrs to foreign malloced Word8 buffers
The packed string libraries have the benefit over arrays of Word8 or Char types, in that the provide the usual list-like operations.