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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(** {6 Physical size of an ocaml value.}
These functions explore objects recursively and may allocate a lot. *)
val size : 'a -> int
(** Physical size of an object in words. *)
val size_b : 'a -> int
(** Same as [size] in bytes. *)
val size_kb : 'a -> int
(** Same as [size] in kilobytes. *)
(** {6 Physical size of an ocaml value with sharing.} *)
(** This time, all the size of objects are computed with respect
to a larger object containing them all, and we only count
the new blocks not already seen earlier in the left-to-right
visit of the englobing object. *)
(** Provides the global object in which we'll search shared sizes *)
val register_shared_size : 'a -> unit
(** Shared size (in word) of an object with respect to the global object
given by the last [register_shared_size]. *)
val shared_size_of_obj : 'a -> int
(** Same, with an object indicated by its occurrence in the global
object. The very same object could have a zero size or not, depending
of the occurrence we're considering in the englobing object.
For speaking of occurrences, we use an [int list] for a path
of field indexes (leftmost = deepest block, rightmost = top block of the
global object). *)
val shared_size_of_pos : int list -> int
(** {6 Logical size of an OCaml value.} *)
val obj_stats : 'a -> int * int * int
(** Return the (logical) value size, the string size, and the maximum depth of
the object. This loops on cyclic structures. *)
(** {6 Total size of the allocated ocaml heap. } *)
val heap_size : unit -> int
(** Heap size, in words. *)
val heap_size_kb : unit -> int
(** Heap size, in kilobytes. *)
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