> (PS: Am I looking in the wrong places, or are a lot of GHC options
> undocumented? I seem to remember options being brandished about (turn
> of array bounds checking, tuning unboxing and stuff) that I'm unable
> to find documented anywhere.)
There might be one or two undocumented optimisation knobs, but I believe
everything that is actually useful is documented. Anything undocumented
is either broken or experimental.
There isn't a flag to turn off array bounds checking - it would require
compiling against different libraries. There are array operations that
avoid bounds checking, however (eg. unsafeRead, unsafeWrite).
The flags that affect automatic boxing/unboxing are
-funbox-strict-fields and -fno-strictness.
Cheers,
Simon
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