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c001de0359
These have all shown to be interesting, relevant, stable, and optimized well enough by the compiler to be useful for cpu performance tracking.
76 lines
2.4 KiB
Swift
76 lines
2.4 KiB
Swift
//===--- StringReplaceSubrange.swift -------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import TestsUtils
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let tags: [BenchmarkCategory] = [.validation, .api, .String, .cpubench]
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public let StringReplaceSubrange = [
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BenchmarkInfo(
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name: "String.replaceSubrange.String.Small",
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runFunction: { replaceSubrange($0, smallString, with: "t") },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.String",
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runFunction: { replaceSubrange($0, largeString, with: "t") },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.Substring.Small",
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runFunction: { replaceSubrange($0, smallString, with: "t"[...]) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.Substring",
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runFunction: { replaceSubrange($0, largeString, with: "t"[...]) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.ArrChar.Small",
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runFunction: { replaceSubrange($0, smallString, with: arrayCharacter) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.ArrChar",
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runFunction: { replaceSubrange($0, largeString, with: arrayCharacter) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.RepChar.Small",
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runFunction: { replaceSubrange($0, smallString, with: repeatedCharacter) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.RepChar",
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runFunction: { replaceSubrange($0, largeString, with: repeatedCharacter) },
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tags: tags
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),
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]
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let smallString = "coffee"
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let largeString = "coffee\u{301}coffeecoffeecoffeecoffee"
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let arrayCharacter = Array<Character>(["t"])
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let repeatedCharacter = repeatElement(Character("t"), count: 1)
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@inline(never)
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private func replaceSubrange<C: Collection>(
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_ N: Int, _ string: String, with newElements: C
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) where C.Element == Character {
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var copy = getString(string)
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let range = string.startIndex..<string.index(after: string.startIndex)
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for _ in 0 ..< 500 * N {
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copy.replaceSubrange(range, with: newElements)
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}
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}
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