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//===--- ArrayOfPOD.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 benchmark tests creation and destruction of an array of
// trivial static type. It is meant to be a baseline for comparison against
// ArrayOfGenericPOD.
//
// For comparison, we always create three arrays of 200,000 words.
import TestsUtils
public let benchmarks =
BenchmarkInfo(
name: "ArrayOfPOD",
runFunction: run_ArrayOfPOD,
tags: [.validation, .api, .Array])
class RefArray<T> {
var array : [T]
init(_ i:T, count:Int = 100_000) {
array = [T](repeating: i, count: count)
}
}
@inline(never)
func genIntArray() {
blackHole(RefArray<Int>(3, count:200_000))
// should be a nop
}
enum PODEnum {
case Some(Int)
init(i:Int) { self = .Some(i) }
}
@inline(never)
func genEnumArray() {
blackHole(RefArray<PODEnum>(PODEnum.Some(3)))
// should be a nop
}
struct S {
var x: Int
var y: Int
}
@inline(never)
func genStructArray() {
blackHole(RefArray<S>(S(x:3, y:4)))
// should be a nop
}
@inline(never)
public func run_ArrayOfPOD(_ n: Int) {
for _ in 0..<n {
genIntArray()
genEnumArray()
genStructArray()
}
}
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