package mirage-solo5

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mirage-solo5
- Solo5_os
  - Lifecycle
  - MM
  - Main
  - Memory
  - Solo5
  - Time

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Memory management operations.

type stat = {

heap_words : int;
(*
total number of words allocatable on the heap.
*)
live_words : int;
(*
number of live (i.e. allocated) words on the heap.
*)
stack_words : int;
(*
number of words in use by the program stack. This includes any space reserved by a stack guard.
*)
free_words : int;
(*
number of free (i.e. allocatable) words on the heap.
*)

}

Memory allocation statistics. Units are the system word size, as used by the OCaml stdlib Gc module.

val stat : unit -> stat

stat () returns memory allocation statistics. This uses mallinfo and walks over the entire heap. This call is slower than quick_stat.

val quick_stat : unit -> stat

quick_stat () returns memory allocation statistics. This call uses a precomputed value. This call is cheaper than stat, but the returned values may not be completely accurate.

val trim : unit -> unit

trim () release free memory from the heap (may update the value returned by quick_stat)