mte/unikernel/duniverse/bstr/bench/contains.ml
2025-11-11 02:07:51 +01:00

75 lines
2.2 KiB
OCaml

let seed = "4EygbdYh+v35vvrmD9YYP4byT5E3H7lTeXJiIj+dQnc="
let seed = Base64.decode_exn seed
let seed =
let res = Array.make (String.length seed / 2) 0 in
for i = 0 to (String.length seed / 2) - 1 do
res.(i) <- (Char.code seed.[i * 2] lsl 8) lor Char.code seed.[(i * 2) + 1]
done;
res
let random length =
let get _ =
match Random.int (10 + 26 + 26) with
| n when n < 10 -> Char.(chr (code '0' + n))
| n when n < 10 + 26 -> Char.(chr (code 'a' + n - 10))
| n -> Char.(chr (code 'A' + n - 10 - 26))
in
String.init length get
let str = random 4096
let chr_into_str = str.[Random.int 4096]
open Bechamel
open Toolkit
let bstr_contains =
let bstr = Bstr.of_string str in
Test.make ~name:"bstr"
@@ Staged.stage
@@ fun () -> ignore (Bstr.contains bstr chr_into_str)
let bigstringaf_contains =
let bstr = Bigstringaf.of_string str ~off:0 ~len:4096 in
Test.make ~name:"bigstringaf"
@@ Staged.stage
@@ fun () -> ignore (Bigstringaf.memchr bstr 0 chr_into_str 4096)
let cstruct_contains =
let cs = Cstruct.of_string str in
let fn chr = chr == chr_into_str in
Test.make ~name:"cstruct"
@@ Staged.stage
@@ fun () -> ignore (Cstruct.exists fn cs)
let tests =
Test.make_grouped ~name:"contains" ~fmt:"%s %s"
[ bstr_contains; bigstringaf_contains; cstruct_contains ]
let benchmark () =
let bootstrap = 0 and r_square = true and predictors = Measure.[| run |] in
let ols = Analyze.ols ~bootstrap ~r_square ~predictors in
let instances = Instance.[ monotonic_clock ] in
let limit = 2000
and stabilize = true
and quota = Time.second 1.0
and kde = Some 1000 in
let cfg = Benchmark.cfg ~limit ~stabilize ~quota ~kde () in
let raw = Benchmark.all cfg instances tests in
let res = List.map (fun i -> Analyze.all ols i raw) instances in
let res = Analyze.merge ols instances res in
(res, raw)
let nothing _ = Ok ()
let compare = String.compare
let () =
let res = benchmark () in
let res =
let open Bechamel_js in
let dst = Channel stdout
and x_label = Measure.run
and y_label = Measure.label Instance.monotonic_clock in
emit ~dst nothing ~compare ~x_label ~y_label res
in
match res with Ok () -> () | Error (`Msg msg) -> failwith msg