In the code below "s" reference is unboxed in sum_float loop, but not
in sum_in32. Why?
let sum_int32 v =
let s = ref 0l in
for i=0 to (Array.length v)-1 do
s := Int32.add !s (Array.unsafe_get v i)
done;
Int32.add !s Int32.zero
let sum_float v =
let s = ref 0. in
for i=0 to (Array.length v)-1 do
s := !s +. (Array.unsafe_get v i)
done;
!s +. 0.
- Dmitry Bely
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