[Haskell-cafe] Question about memory usage

[Sebastian Fischer]

[CC-ing café again]

On Aug 16, 2010, at 5:52 PM, Daniel Fischer wrote:

>> I am a bit concerned about the memory usage.
>
> Of your implementation of the matrix power algorithm?

Yes.

> Making the fields of Matrix strict should help:
>
> data Matrix a = Matrix !a !a !a


Making all fields strict makes memory usage worse. When making only  
the first field strict, memory usage hardly differs (from the current  
implementation without strictness annotations).

Sebastian

-- 
Underestimating the novelty of the future is a time-honored tradition.
(D.G.)