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
|
//===--- StringInterpolation.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: "StringInterpolation",
runFunction: run_StringInterpolation,
tags: [.validation, .api, .String],
legacyFactor: 100),
BenchmarkInfo(
name: "StringInterpolationSmall",
runFunction: run_StringInterpolationSmall,
tags: [.validation, .api, .String],
legacyFactor: 10),
BenchmarkInfo(
name: "StringInterpolationManySmallSegments",
runFunction: run_StringInterpolationManySmallSegments,
tags: [.validation, .api, .String],
legacyFactor: 100),
]
class RefTypePrintable : CustomStringConvertible {
var description: String {
return "01234567890123456789012345678901234567890123456789"
}
}
@inline(never)
public func run_StringInterpolation(_ n: Int) {
let reps = 100
let refResult = reps
let anInt: Int64 = 0x1234567812345678
let aRefCountedObject = RefTypePrintable()
for _ in 1...n {
var result = 0
for _ in 1...reps {
let s: String = getString(
"\(anInt) abcdefdhijklmn \(aRefCountedObject) abcdefdhijklmn \u{01}")
let utf16 = s.utf16
// FIXME: if String is not stored as UTF-16 on this platform, then the
// following operation has a non-trivial cost and needs to be replaced
// with an operation on the native storage type.
result = result &+ Int(utf16.last!)
blackHole(s)
}
check(result == refResult)
}
}
@inline(never)
public func run_StringInterpolationSmall(_ n: Int) {
let reps = 100
let refResult = reps
let anInt: Int64 = 0x42
for _ in 1...10*n {
var result = 0
for _ in 1...reps {
let s: String = getString(
"\(getString("int")): \(anInt) \(getString("abc")) \u{01}")
result = result &+ Int(s.utf8.last!)
blackHole(s)
}
check(result == refResult)
}
}
@inline(never)
public func run_StringInterpolationManySmallSegments(_ n: Int) {
let numHex = min(UInt64(n), 0x0FFF_FFFF_FFFF_FFFF)
let numOct = min(UInt64(n), 0x0000_03FF_FFFF_FFFF)
let numBin = min(UInt64(n), 0x7FFF)
let segments = [
"abc",
String(numHex, radix: 16),
"0123456789",
String(Double.pi/2),
"*barely* small!",
String(numOct, radix: 8),
"",
String(numBin, radix: 2),
]
assert(segments.count == 8)
func getSegment(_ i: Int) -> String {
return getString(segments[i])
}
let reps = 100
for _ in 1...n {
for _ in 1...reps {
blackHole("""
\(getSegment(0)) \(getSegment(1))/\(getSegment(2))_\(getSegment(3))
\(getSegment(4)) \(getSegment(5)), \(getSegment(6))~~\(getSegment(7))
""")
}
}
}
|
