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
|
//===--- ArrayLiteral.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 checks performance of creating array from literal and array value
// propagation.
// It is reported to be slow: <rdar://problem/17297449>
import TestsUtils
public let benchmarks = [
BenchmarkInfo(name: "ArrayLiteral2", runFunction: run_ArrayLiteral, tags: [.validation, .api, .Array]),
BenchmarkInfo(name: "ArrayValueProp", runFunction: run_ArrayValueProp, tags: [.validation, .api, .Array]),
BenchmarkInfo(name: "ArrayValueProp2", runFunction: run_ArrayValueProp2, tags: [.validation, .api, .Array]),
BenchmarkInfo(name: "ArrayValueProp3", runFunction: run_ArrayValueProp3, tags: [.validation, .api, .Array]),
BenchmarkInfo(name: "ArrayValueProp4", runFunction: run_ArrayValueProp4, tags: [.validation, .api, .Array]),
]
@inline(never)
func makeArray() -> [Int] {
return [1,2,3]
}
@inline(never)
public func run_ArrayLiteral(_ n: Int) {
for _ in 1...10000*n {
blackHole(makeArray())
}
}
@inline(never)
func addLiteralArray() -> Int {
let arr = [1, 2, 3]
return arr[0] + arr[1] + arr[2]
}
@inline(never)
public func run_ArrayValueProp(_ n: Int) {
var res = 123
for _ in 1...10000*n {
res += addLiteralArray()
res -= addLiteralArray()
}
check(res == 123)
}
@inline(never)
func addLiteralArray2() -> Int {
let arr = [1, 2, 3]
var r = 0
for elt in arr {
r += elt
}
return r
}
@inline(never)
func addLiteralArray3() -> Int {
let arr = [1, 2, 3]
var r = 0
for i in 0..<arr.count {
r += arr[i]
}
return r
}
@inline(never)
func addLiteralArray4() -> Int {
let arr = [1, 2, 3]
var r = 0
for i in 0..<3 {
r += arr[i]
}
return r
}
@inline(never)
public func run_ArrayValueProp2(_ n: Int) {
var res = 123
for _ in 1...10000*n {
res += addLiteralArray2()
res -= addLiteralArray2()
}
check(res == 123)
}
@inline(never)
public func run_ArrayValueProp3(_ n: Int) {
var res = 123
for _ in 1...10000*n {
res += addLiteralArray3()
res -= addLiteralArray3()
}
check(res == 123)
}
@inline(never)
public func run_ArrayValueProp4(_ n: Int) {
var res = 123
for _ in 1...10000*n {
res += addLiteralArray4()
res -= addLiteralArray4()
}
check(res == 123)
}
|
