Goswin von Brederlow <goswin-v-b@web.de> wrote:

> You need to write a new function
>
> CAMLextern value caml_alloc_double_array (mlsize_t),
>
> or similar that ensures alignment on 8 byte for double even for 32bit
> systems.
>
> You should also check the CAMLextern value caml_copy_double (double);
> that it does the same.

If you decide to go this route, which this message
neither endorses not condemns, you also need to

A1/ allocate the doubles directly in the major heap, and
A2/ deactivate compactions

or

B/ modify the garbage-collector.

Pascal