Performance/Yhc

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Revision as of 10:32, 20 December 2008

Haskell Performance Resource Constructs: Data Types - Functions Overloading - FFI - Arrays Strings - Integers - I/O Floating point - Concurrency Modules - Monads Techniques: Strictness - Laziness Avoiding space leaks Accumulating parameter Implementation-Specific: GHC - nhc98 - Hugs Yhc - JHC

Yhc is not optimised for speed, and as such does not infer strictness information, and does not honour any specialise pragmas. If your program is time critical, using GHC would probably be a better bet. In particular, Yhc does no inlining, so if you have a time critical inner loop and have to use Yhc, then inlining manually would probably be a good idea.

Yhc is optimised for small size useage, and should require less heap space than other compilers. There are no space optimisations that can be made that will help Yhc, beyond those which are useful for all Haskell compilers.

Category: Performance