-
Notifications
You must be signed in to change notification settings - Fork 14
/
ListInt32Where.cs
149 lines (135 loc) · 3.46 KB
/
ListInt32Where.cs
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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
using System.Runtime.InteropServices;
using ListExtensions = Faslinq.ListExtensions;
// ReSharper disable ForeachCanBeConvertedToQueryUsingAnotherGetEnumerator
// ReSharper disable ForCanBeConvertedToForeach
// ReSharper disable LoopCanBeConvertedToQuery
namespace LinqBenchmarks.List.Int32;
public class ListInt32Where: Int32ListBenchmarkBase
{
[Benchmark(Baseline = true)]
public int ForLoop()
{
var sum = 0;
for (var index = 0; index < source.Count; index++)
{
var item = source[index];
if (item.IsEven())
sum += item;
}
return sum;
}
#pragma warning disable HLQ010 // Consider using a 'for' loop instead.
[Benchmark]
public int ForeachLoop()
{
var sum = 0;
foreach (var item in source)
{
if (item.IsEven())
sum += item;
}
return sum;
}
#pragma warning restore HLQ010 // Consider using a 'for' loop instead.
[Benchmark]
public int Linq()
{
var items = System.Linq.Enumerable.Where(source, item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
[Benchmark]
public int LinqFaster()
{
var items = source.WhereF(item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
[Benchmark]
public int LinqFasterer()
{
var items = EnumerableF.WhereF(source, item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
[Benchmark]
public int LinqAF()
{
var items = global::LinqAF.ListExtensionMethods.Where(source, item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
#if DOTNET5_0_OR_GREATER
[Benchmark]
public int SpanLinq()
{
var items = CollectionsMarshal.AsSpan(source)
.Where(item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
#endif
[Benchmark]
public int StructLinq()
{
var items = source
.ToStructEnumerable()
.Where(item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
[Benchmark]
public int StructLinq_ValueDelegate()
{
var predicate = new Int32IsEven();
var items = source
.ToStructEnumerable()
.Where(ref predicate, x => x);
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
[Benchmark]
public int Hyperlinq()
{
var items = source.AsValueEnumerable()
.Where(item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
[Benchmark]
public int Hyperlinq_ValueDelegate()
{
var items = source.AsValueEnumerable()
.Where<Int32IsEven>();
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
[Benchmark]
public int Faslinq()
{
var items =
ListExtensions.Where(source, item => item.IsEven());
var sum = 0;
foreach (var item in items)
sum += item;
return sum;
}
}