mte/unikernel/duniverse/bstr/bench/blit.ml

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2025-11-11 02:07:51 +01:00
open Bechamel
open Toolkit
let src = String.make 256 '\x10'
let cs = Cstruct.create 512
let bstr = Bstr.create 512
let bigstringaf = Bigstringaf.create 512
let cstruct_blit () = Cstruct.blit_from_string src 0 cs 0 256
let bstr_blit () = Bstr.blit_from_string src ~src_off:0 bstr ~dst_off:0 ~len:256
let bigstringaf_blit () =
Bigstringaf.blit_from_string src ~src_off:0 bigstringaf ~dst_off:0 ~len:256
let cstruct_blit = Staged.stage cstruct_blit
let bstr_blit = Staged.stage bstr_blit
let bigstringaf_blit = Staged.stage bigstringaf_blit
let test0 = Test.make ~name:"Cstruct" cstruct_blit
let test1 = Test.make ~name:"Bstr" bstr_blit
let test2 = Test.make ~name:"Bigstringaf" bigstringaf_blit
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 tests =
Test.make_grouped ~name:"blit" ~fmt:"%s %s" [ test0; test1; test2 ]
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