mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
d5f5d4bd55
This allows clients to iterate over a C++ container which doesn't provide random access with a `.forEach` call. rdar://107995558
76 lines
1.8 KiB
Swift
76 lines
1.8 KiB
Swift
//===--- CxxSetToCollection.swift -----------------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2012 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 benchmark that tracks how quickly Swift can convert a C++ set
|
|
// to a Swift collection.
|
|
|
|
import TestsUtils
|
|
|
|
#if SWIFT_PACKAGE
|
|
// FIXME: Needs fix for https://github.com/apple/swift/issues/61547.
|
|
|
|
public let benchmarks = [BenchmarkInfo]()
|
|
|
|
#else
|
|
|
|
import CxxStdlibPerformance
|
|
import Cxx
|
|
|
|
public let benchmarks = [
|
|
BenchmarkInfo(
|
|
name: "CxxSetU32.to.Array",
|
|
runFunction: run_CxxSetOfU32_to_Array,
|
|
tags: [.validation, .bridging, .cxxInterop],
|
|
setUpFunction: makeSetOnce),
|
|
BenchmarkInfo(
|
|
name: "CxxSetU32.to.Set",
|
|
runFunction: run_CxxSetOfU32_to_Set,
|
|
tags: [.validation, .bridging, .cxxInterop],
|
|
setUpFunction: makeSetOnce),
|
|
BenchmarkInfo(
|
|
name: "CxxSetU32.forEach",
|
|
runFunction: run_CxxSetOfU32_forEach,
|
|
tags: [.validation, .bridging, .cxxInterop],
|
|
setUpFunction: makeSetOnce),
|
|
]
|
|
|
|
func makeSetOnce() {
|
|
initSet(setSize)
|
|
}
|
|
|
|
let setSize = 1_000
|
|
|
|
@inline(never)
|
|
public func run_CxxSetOfU32_to_Array(_ n: Int) {
|
|
for _ in 0..<n {
|
|
blackHole(Array(set))
|
|
}
|
|
}
|
|
|
|
@inline(never)
|
|
public func run_CxxSetOfU32_to_Set(_ n: Int) {
|
|
for _ in 0..<n {
|
|
blackHole(Set(set))
|
|
}
|
|
}
|
|
|
|
@inline(never)
|
|
public func run_CxxSetOfU32_forEach(_ n: Int) {
|
|
for _ in 0..<n {
|
|
set.forEach {
|
|
blackHole($0)
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|