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//===--- InsertCharacter.swift --------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 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
//
//===----------------------------------------------------------------------===//
import TestsUtils
let t: [BenchmarkCategory] = [.validation, .api, .String]
public let benchmarks = [
BenchmarkInfo(name: "InsertCharacterEndIndex",
runFunction: run_InsertCharacterEndIndex, tags: t,
setUpFunction: buildWorkload),
BenchmarkInfo(name: "InsertCharacterTowardsEndIndex",
runFunction: run_InsertCharacterTowardsEndIndex, tags: t,
setUpFunction: buildWorkload),
BenchmarkInfo(name: "InsertCharacterStartIndex",
runFunction: run_InsertCharacterStartIndex, tags: t,
setUpFunction: buildWorkload, legacyFactor: 5),
BenchmarkInfo(name: "InsertCharacterEndIndexNonASCII",
runFunction: run_InsertCharacterEndIndexNonASCII, tags: t,
setUpFunction: buildWorkload),
BenchmarkInfo(name: "InsertCharacterTowardsEndIndexNonASCII",
runFunction: run_InsertCharacterTowardsEndIndexNonASCII, tags: t,
setUpFunction: buildWorkload),
BenchmarkInfo(name: "InsertCharacterStartIndexNonASCII",
runFunction: run_InsertCharacterStartIndexNonASCII, tags: t,
setUpFunction: buildWorkload)
]
let str = String(repeating: "A very long ASCII string.", count: 200)
func buildWorkload() {
blackHole(str)
}
// Insert towards end index
@inline(__always)
func insertTowardsEndIndex(_ c: Character, in string: String, count: Int) {
var workload = string
var index = workload.endIndex
for i in 0..<count {
workload.insert(identity(c), at: index)
if i % 1000 == 0 {
index = workload.endIndex
}
}
blackHole(workload)
}
@inline(never)
func run_InsertCharacterTowardsEndIndex(_ n: Int) {
insertTowardsEndIndex("s", in: str, count: n * 3000)
}
@inline(never)
func run_InsertCharacterTowardsEndIndexNonASCII(_ n: Int) {
insertTowardsEndIndex("👩🏼💻", in: str, count: n * 1000)
}
// Insert at end index
@inline(__always)
func insertAtEndIndex(_ c: Character, in string: String, count: Int) {
var workload = string
for _ in 0..<count {
workload.insert(identity(c), at: workload.endIndex)
}
blackHole(workload)
}
@inline(never)
func run_InsertCharacterEndIndex(_ n: Int) {
insertAtEndIndex("s", in: str, count: n * 3000)
}
@inline(never)
func run_InsertCharacterEndIndexNonASCII(_ n: Int) {
insertAtEndIndex("👩🏾🏫", in: str, count: n * 1000)
}
// Insert at start index
@inline(__always)
func insertAtStartIndex(
_ c: Character, in string: String, count: Int, insertions: Int) {
var workload = str
for _ in 0..<count {
for _ in 0..<insertions {
workload.insert(identity(c), at: workload.startIndex)
}
workload = str
}
blackHole(workload)
}
@inline(never)
func run_InsertCharacterStartIndex(_ n: Int) {
insertAtStartIndex("w", in: str, count: n * 15, insertions: 50)
}
@inline(never)
func run_InsertCharacterStartIndexNonASCII(_ n: Int) {
insertAtStartIndex("👩🏾🏫", in: str, count: n * 75, insertions: 25)
}
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