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open Dune_thread_pool
let spawn_thread f = ignore (Thread.create f ())
let%bench "almost no-op" =
let tp = Thread_pool.create ~min_workers:10 ~max_workers:50 ~spawn_thread in
let tasks = 50_000 in
let counter = Atomic.make tasks in
let f () = Atomic.decr counter in
for _ = 0 to tasks - 1 do
Thread_pool.task tp ~f
done;
while Atomic.get counter > 0 do
Thread.yield ()
done
;;
let%bench "syscall" =
let tp = Thread_pool.create ~min_workers:10 ~max_workers:50 ~spawn_thread in
let tasks = 50_000 in
let counter = Atomic.make tasks in
let f () =
Unix.sleepf 0.0;
Atomic.decr counter
in
for _ = 0 to tasks - 1 do
Thread_pool.task tp ~f
done;
while Atomic.get counter > 0 do
Thread.yield ()
done
;;
let%bench "syscall - no background" =
let tasks = 50_000 in
let counter = Atomic.make tasks in
let f () =
Unix.sleepf 0.0;
Atomic.decr counter
in
for _ = 0 to tasks - 1 do
f ()
done;
while Atomic.get counter > 0 do
Thread.yield ()
done
;;
|
