[CM] s7: Whether to use WITH_GMP

[Kjetil Matheussen]

On Thu, Apr 13, 2017 at 9:05 PM, <bil at ccrma.stanford.edu> wrote:
> Let me
> know if the gc protection functions are too slow --
> internally in s7, I sometimes use the scheme stack
> for quick GC protection, especially when I can't
> guarantee I'll reach the unprotect code -- that
> process could be exported.


When using  s7_gc_unprotect_at instead of just s7_gc_unprotect,
the GC protection functions are probably more than fast enough
for my usage.

Regarding big numbers, I wonder if I should compile with gmp.
It feels safer not to risk losing accuracy. But are calculations
slower with gmp if you don't use big numbers? I.e. will (+ 1 1)
and (+ 1.1 1.5) always run equally fast whether you use
libgmp or not?
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