This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
open System | |
open System.Diagnostics | |
open System | |
let getNextSequential n = | |
let r = Random 42 | |
let start = r.Next (n*3/2) | |
fun i -> (start + i) % n | |
let getNextRandom n = | |
let r = Random 42 | |
fun _ -> r.Next (n*4) | |
[<EntryPoint>] | |
let main argv = | |
let f = | |
match argv with | |
| [| "sequential" |] -> getNextSequential | |
| [| "random" |] -> getNextRandom | |
| _ -> failwith "invalid arg" | |
for i in 0 .. 25 .. 250 do | |
let getNext = f i | |
let elementsA = Array.init i getNext | |
let elementsB = Array.init i getNext | |
let sw = Stopwatch.StartNew () | |
for j = 1 to 1000000 / (i+1) do | |
let a = Set.ofArray elementsA | |
let b = Set.ofArray elementsB | |
let c = Set.union a b | |
for a in elementsA do | |
if not (c |> Set.contains a) then failwith "boom" | |
for b in elementsB do | |
if not (c |> Set.contains b) then failwith "boom" | |
printfn "%s,%s,%d,%d" argv.[0] (if Environment.Is64BitProcess then "64-bit" else "32-bit") i sw.ElapsedMilliseconds | |
0 // return an integer exit code |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment