On 01 October 2004 08:45, Peter Simons wrote:
> I am a happy user of hGetBufNonBlocking, but I have come to
> realize that mutable arrays are nicer to work with than
> pointers, so I have considered using hGetArray instead. I
> do, however, depend on the fact that the function returns as
> soon as it has read data -- even if less than requested --,
> like hGetBufNonBlocking does.
>
> Is there currently a way to achieve this?
Not currently, but I could probably implement the equivalent
(hGetArrayNonBlocking).
> Am I right assuming that hGetBuf and hGetArray do not differ
> much performance-wise?
Hopefully not.
> One of the reasons I am curious about using mutable arrays
> is because of Data.Array.Base.unsafeRead, which seems to be
> a *lot* faster than accessing the memory through a pointer.
> Is there anything comparable for pointer access?
I'm surprised if pointer access to memory is slower than unsafeRead.
Could you post some code that we can peer at?
Cheers,
Simon
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