Effect of large binaries on garbage collection

[Simon Peyton-Jones]

| In the current CVS GHC, undoubtedly the right thing to use is
| Foreign.mallocForeignPtr.  Internally these are implemented as
| MutableByteArray#, so you get fast allocation and GC, but from the
| programmer's point of view it's a normal ForeignPtr.

I wonder how it is for a random FFI user to discover this.  Does some
advice belong in the FFI spec, or in GHC's FFI chapter?

Simon