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//===--- ProtocolDispatch2.swift ------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// This is a simple benchmark that tests the performance of calls to
// existential methods.
//===----------------------------------------------------------------------===//
import TestsUtils
public let benchmarks =
BenchmarkInfo(
name: "ProtocolDispatch2",
runFunction: run_ProtocolDispatch2,
tags: [.validation, .abstraction, .cpubench])
protocol Pingable { func ping() -> Int; func pong() -> Int}
struct Game : Pingable {
func zero() -> Int { return 0}
func ping() -> Int { return 1}
func pong() -> Int { return 2}
func puff() -> Int { return 3}
}
@inline(never)
func use_protocol(_ val : Int,_ game1 : Pingable, _ game2 : Pingable) -> Int {
var t = game1.ping() + game1.pong()
if (val % 2 == 0) {
t += game1.pong() + game1.ping()
}
t += game1.ping() + game1.pong()
t += game2.ping() + game2.pong()
if (val % 2 == 0) {
t += game2.pong() + game2.ping()
}
t += game2.ping() + game2.pong()
return t
}
@inline(never)
func wrapper(_ val : Int,_ game1 : Pingable, _ game2 : Pingable) -> Int {
return use_protocol(val, game1, game2)
}
@inline(never)
public func run_ProtocolDispatch2(_ n: Int) {
var c = 0
let g1 = Game()
let g2 = Game()
for _ in 1...10*n {
c = 0
for i in 1...5000 {
c += wrapper(i, g1, g2)
}
}
check(c == 75000)
}
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