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
|
//===--- CharacterLiteralsSmall.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
//
//===----------------------------------------------------------------------===//
// This test tests the performance of Characters initialized from literals that
// fit within the small (63 bits or fewer) representation and can be
// represented as a packed integer.
import TestsUtils
public let benchmarks =
BenchmarkInfo(
name: "CharacterLiteralsSmall",
runFunction: run_CharacterLiteralsSmall,
tags: [.validation, .api, .String])
@inline(never)
func makeCharacter_UTF8Length1() -> Character {
return "a"
}
@inline(never)
func makeCharacter_UTF8Length2() -> Character {
return "\u{00a9}"
}
@inline(never)
func makeCharacter_UTF8Length3() -> Character {
return "a\u{0300}"
}
@inline(never)
func makeCharacter_UTF8Length4() -> Character {
return "\u{00a9}\u{0300}"
}
@inline(never)
func makeCharacter_UTF8Length5() -> Character {
return "a\u{0300}\u{0301}"
}
@inline(never)
func makeCharacter_UTF8Length6() -> Character {
return "\u{00a9}\u{0300}\u{0301}"
}
@inline(never)
func makeCharacter_UTF8Length7() -> Character {
return "a\u{0300}\u{0301}\u{0302}"
}
@inline(never)
func makeCharacter_UTF8Length8() -> Character {
return "\u{00a9}\u{0300}\u{0301}\u{0302}"
}
@inline(never)
func makeLiterals() {
blackHole(makeCharacter_UTF8Length1())
blackHole(makeCharacter_UTF8Length2())
blackHole(makeCharacter_UTF8Length3())
blackHole(makeCharacter_UTF8Length4())
blackHole(makeCharacter_UTF8Length5())
blackHole(makeCharacter_UTF8Length6())
blackHole(makeCharacter_UTF8Length7())
blackHole(makeCharacter_UTF8Length8())
}
public func run_CharacterLiteralsSmall(_ n: Int) {
for _ in 0...10000 * n {
makeLiterals()
}
}
|
