[MLton-user] more optimization questions

[brian denheyer]

I most certainly appreciate the help.

Brian

On Nov 20, 2005, at 8:36 PM, Stephen Weeks wrote:

>
>> The metric which is driving my interest in this is not what C does,
>> it' what do I get for MFLOPS.  However, C gives better MFLOPS so I
>> use it as a benchmark.  I think this is an interesting problem in
>> that it's very easy to understand how to write these FD-like codes
>> very efficiently - so what keeps a higher order language from doing
>> the same ?
>
> Nothing.  Until we see your code we can't be sure, but I think that
> the factor of 3.5 could be completely attributable to a combination of
> overflow detection, bounds checks, lack of loop optimizations, and
> translation to C instead of native code.
>
> My point being that the differences are not fundamental to
> higher-order languages or to SML.  More, relatively straightforward,
> work on MLton and judicious use of flags/primitives that avoid checks
> should be able to eliminate the difference.  I'm still optimistic
> that, once we see the code, we can get a good bit of the way there.
>
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