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//===----------------------------------------------------------------------===//
//
// 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 AnyHashable's initializer that needs to dynamically
// upcast the instance to the type that introduces the Hashable
// conformance.
import TestsUtils
// 23% _swift_dynamicCast
// 23% _swift_release_
// 18% _swift_stdlib_makeAnyHashableUsingDefaultRepresentation
// 11% _swift_stdlib_makeAnyHashableUpcastingToHashableBaseType
// 16% _swift_retain_[n]
// 5% swift_conformsToProtocol
public let benchmarks =
BenchmarkInfo(
name: "AnyHashableWithAClass",
runFunction: run_AnyHashableWithAClass,
tags: [.abstraction, .runtime, .cpubench],
legacyFactor: 500
)
class TestHashableBase : Hashable {
var value: Int
init(_ value: Int) {
self.value = value
}
func hash(into hasher: inout Hasher) {
hasher.combine(value)
}
static func == (
lhs: TestHashableBase,
rhs: TestHashableBase
) -> Bool {
return lhs.value == rhs.value
}
}
class TestHashableDerived1 : TestHashableBase {}
class TestHashableDerived2 : TestHashableDerived1 {}
class TestHashableDerived3 : TestHashableDerived2 {}
class TestHashableDerived4 : TestHashableDerived3 {}
class TestHashableDerived5 : TestHashableDerived4 {}
@inline(never)
public func run_AnyHashableWithAClass(_ n: Int) {
let c = TestHashableDerived5(10)
for _ in 0...(n*1000) {
_ = AnyHashable(c)
}
}
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