File: ReduceInto.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (120 lines) | stat: -rw-r--r-- 3,237 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
//===--- ReduceInto.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
//
//===----------------------------------------------------------------------===//

import TestsUtils

public let benchmarks = [
  BenchmarkInfo(name: "FilterEvenUsingReduce", runFunction: run_FilterEvenUsingReduce, tags: [.validation, .api], legacyFactor: 10),
  BenchmarkInfo(name: "FilterEvenUsingReduceInto", runFunction: run_FilterEvenUsingReduceInto, tags: [.validation, .api]),
  BenchmarkInfo(name: "FrequenciesUsingReduce", runFunction: run_FrequenciesUsingReduce, tags: [.validation, .api], legacyFactor: 10),
  BenchmarkInfo(name: "FrequenciesUsingReduceInto", runFunction: run_FrequenciesUsingReduceInto, tags: [.validation, .api], legacyFactor: 10),
  BenchmarkInfo(name: "SumUsingReduce", runFunction: run_SumUsingReduce, tags: [.validation, .api]),
  BenchmarkInfo(name: "SumUsingReduceInto", runFunction: run_SumUsingReduceInto, tags: [.validation, .api]),
]

// Sum

@inline(never)
public func run_SumUsingReduce(_ n: Int) {
  let numbers = [Int](0..<1000)

  var c = 0
  for _ in 1...n*1000 {
    c = c &+ numbers.reduce(0) { (acc: Int, num: Int) -> Int in
      acc &+ num
    }
  }
  check(c != 0)
}

@inline(never)
public func run_SumUsingReduceInto(_ n: Int) {
  let numbers = [Int](0..<1000)

  var c = 0
  for _ in 1...n*1000 {
    c = c &+ numbers.reduce(into: 0) { (acc: inout Int, num: Int) in
      acc = acc &+ num
    }
  }
  check(c != 0)
}

// Filter

@inline(never)
public func run_FilterEvenUsingReduce(_ n: Int) {
  let numbers = [Int](0..<100)

  var c = 0
  for _ in 1...n*10 {
    let a = numbers.reduce([]) { (acc: [Int], num: Int) -> [Int] in
      var a = acc
      if num % 2 == 0 {
        a.append(num)
      }
      return a
    }
    c = c &+ a.count
  }
  check(c != 0)
}

@inline(never)
public func run_FilterEvenUsingReduceInto(_ n: Int) {
  let numbers = [Int](0..<100)

  var c = 0
  for _ in 1...n*100 {
    let a = numbers.reduce(into: []) { (acc: inout [Int], num: Int) in
      if num % 2 == 0 {
        acc.append(num)
      }
    }
    c = c &+ a.count
  }
  check(c != 0)
}

// Frequencies

@inline(never)
public func run_FrequenciesUsingReduce(_ n: Int) {
  let s = "thequickbrownfoxjumpsoverthelazydogusingasmanycharacteraspossible123456789"

  var c = 0
  for _ in 1...n*10 {
    let a = s.reduce([:]) {
      (acc: [Character: Int], c: Character) -> [Character: Int] in
      var d = acc
      d[c, default: 0] += 1
      return d
    }
    c = c &+ a.count
  }
  check(c != 0)
}

@inline(never)
public func run_FrequenciesUsingReduceInto(_ n: Int) {
  let s = "thequickbrownfoxjumpsoverthelazydogusingasmanycharacteraspossible123456789"

  var c = 0
  for _ in 1...n*10 {
    let a = s.reduce(into: [:]) {
      (acc: inout [Character: Int], c: Character) in
      acc[c, default: 0] += 1
    }
    c = c &+ a.count
  }
  check(c != 0)
}