core_profiler
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package core_profiler
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Delta_timer is an optimized two-probe group to track time differences between calls to start and stop.

type t
type state = private Core.Time_ns.t
val create : name:string -> t
val start : t -> unit
val stop : t -> unit
val pause : t -> unit
val record : t -> unit
val stateless_start : t -> state
val stateless_stop : t -> state -> unit
val wrap_sync : t -> ('a -> 'b) -> 'a -> 'b

Typically partially applied (the first two arguments) to produce a 'wrapped' function. This behaves like the identity function on functions, except it times the inner function.

val wrap_sync2 : t -> ('a -> 'b -> 'c) -> 'a -> 'b -> 'c
val wrap_sync3 : t -> ('a -> 'b -> 'c -> 'd) -> 'a -> 'b -> 'c -> 'd
val wrap_sync4 : t -> ('a -> 'b -> 'c -> 'd -> 'e) -> 'a -> 'b -> 'c -> 'd -> 'e