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tweak: guess of chunk_size in Fork_join

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Simon Cruanes 2023-07-10 01:23:30 -04:00
parent 2326ae0078
commit f081c0f8ad
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src/fork_join.ml
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@ -100,7 +100,7 @@ let for_ ?chunk_size n (f : int -> int -> unit) : unit =
| Some cs -> max 1 (min n cs)
| None ->
(* guess: try to have roughly one task per core *)
max 1 (n / Domain_.recommended_number ())
max 1 (1 + (n / D_pool_.n_domains ()))
in
let start_tasks ~run (suspension : Suspend_.suspension) =