Difference between revisions of "Performance/Strings"
Jump to navigation
Jump to search
BrettGiles (talk | contribs) (Adding performance infobox for more nav options) |
NeilMitchell (talk | contribs) (→Strings: Formatting fixes) |
||
Line 5: | Line 5: | ||
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 |
||
number of options: |
number of options: |
||
+ | |||
− | + | * The standard Data.PackedString type |
|
− | + | * One of the newer packed string libraries, for example [http://www.cse.unsw.edu.au/~dons/fps.html FastPackedString] |
|
− | * Unboxed arrays of Word8 or Char |
||
− | + | * Unboxed arrays of Word8 or Char |
|
+ | * Ptrs to foreign malloced Word8 buffers |
||
The packed string libraries have the benefit over arrays of Word8 or |
The packed string libraries have the benefit over arrays of Word8 or |
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.