[Haskell-cafe] Something like optimistic evaluation

[Jake Mcarthur]

On Apr 28, 2008, at 5:09 PM, Daniil Elovkov wrote:

> Somewhat on the topic of optimistic evaluation, I've just thought of  
> another way to evaluate thunks.
>
> When the program is about to block on some IO, what if we start a  
> thread to evaluate (any) unevaluated thunks. We'll have additional  
> system thread, but the blocked one will not actually consume any  
> processor time.

Seems like this would be bad in cases where the programmer is trying  
to exploit laziness, such as using infinite lists, no?

- Jake