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package ocaml_intrinsics
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Module Ocaml_intrinsicsSource
Ext_pointer uses values of the OCaml type "int" to represent pointers to 2-byte aligned memory blocks allocated outside the OCaml heap.
The are two version of count_leading_zeros, count_set_bits each, which differ in their native code implementation. The first version takes as input a tagged integer and the second version takes as input an untagged integer. Generally, the first version (that operates on a tagged integer) is faster, but if the integer is already untagged, it may be faster to use the second version.
Native_pointer uses Nativeint to hold a pointer to a memory block allocated outside the OCaml heap. The pointer is not required to be aligned.