[Haskell-cafe] Sometimes pinned memory?

[Don Stewart]

gcross:
> Hey everyone!  Do you have any suggestions for how I might allocate an  
> aligned block of memory that I can pin while making foreign calls, but  
> leave unpinned the rest of the time to potentially improve allocation  
> and garbage collector performance?  Or is this even a good idea?

There's no pinned/unpinned memory. You have to pick one.

  * Use a ForeignPtr to allocate pinned memory (mallocForeignPtr)

if you want it mostly poinned. Otherwise, you'll need to copy from
unpinned to pinned.


-- Don