[MLton-devel] pinned large arrays

[Stephen Weeks]

I agree with Andrew that this stuff should be done within MLton and
that mmap'ing from C, marshalling, and using a C FFI for array access
is too costly, plus the other usual problems with missing MLton's
optimizations when you use C.  The bounds checks cost shouldn't be a
problem, since bounds-check elimination is slated to go into MLton
later this year (and they're already pretty cheap).

I agree that address space fragmentation is a problem.  But we're
going to run on SPARCs soon enough, and if all goes well, on 64 bit
x86 (or whatever) next year.

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