1/*
2 * Copyright 2014 Google Inc. All rights reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17using BenchmarkDotNet.Attributes;
18using MyGame.Example;
19
20namespace Google.FlatBuffers.Benchmarks
21{
22 //[EtwProfiler] - needs elevated privileges
23 [MemoryDiagnoser]
24 public class FlatBufferBuilderBenchmark
25 {
26 private const int NumberOfRows = 10_000;
27
28 [Benchmark]
29 public void BuildNestedMonster()
30 {
31 const string nestedMonsterName = "NestedMonsterName";
32 const short nestedMonsterHp = 600;
33 const short nestedMonsterMana = 1024;
34
35 for (int i = 0; i < NumberOfRows; i++)
36 {
37 // Create nested buffer as a Monster type
38 var fbb1 = new FlatBufferBuilder(16);
39 var str1 = fbb1.CreateString(nestedMonsterName);
40 Monster.StartMonster(fbb1);
41 Monster.AddName(fbb1, str1);
42 Monster.AddHp(fbb1, nestedMonsterHp);
43 Monster.AddMana(fbb1, nestedMonsterMana);
44 var monster1 = Monster.EndMonster(fbb1);
45 Monster.FinishMonsterBuffer(fbb1, monster1);
46 var fbb1Bytes = fbb1.SizedByteArray();
47 fbb1 = null;
48
49 // Create a Monster which has the first buffer as a nested buffer
50 var fbb2 = new FlatBufferBuilder(16);
51 var str2 = fbb2.CreateString("My Monster");
52 var nestedBuffer = Monster.CreateTestnestedflatbufferVector(fbb2, fbb1Bytes);
53 Monster.StartMonster(fbb2);
54 Monster.AddName(fbb2, str2);
55 Monster.AddHp(fbb2, 50);
56 Monster.AddMana(fbb2, 32);
57 Monster.AddTestnestedflatbuffer(fbb2, nestedBuffer);
58 var monster = Monster.EndMonster(fbb2);
59 Monster.FinishMonsterBuffer(fbb2, monster);
60 }
61 }
62
63 [Benchmark]
64 public void BuildMonster()
65 {
66 for (int i = 0; i < NumberOfRows; i++)
67 {
68 var builder = new FlatBufferBuilder(16);
69 var str1 = builder.CreateString("MonsterName");
70 Monster.StartMonster(builder);
71 Monster.AddName(builder, str1);
72 Monster.AddHp(builder, 600);
73 Monster.AddMana(builder, 1024);
74 Monster.AddColor(builder, Color.Blue);
75 Monster.AddTestbool(builder, true);
76 Monster.AddTestf(builder, 0.3f);
77 Monster.AddTestf2(builder, 0.2f);
78 Monster.AddTestf3(builder, 0.1f);
79
80 var monster1 = Monster.EndMonster(builder);
81 Monster.FinishMonsterBuffer(builder, monster1);
82 }
83 }
84
85 [Benchmark]
86 public void TestTables()
87 {
88 FlatBufferBuilder builder = new FlatBufferBuilder(1024 * 1024 * 32);
89 for (int x = 0; x < 500000; ++x)
90 {
91 var offset = builder.CreateString("T");
92 builder.StartObject(4);
93 builder.AddDouble(3.2);
94 builder.AddDouble(4.2);
95 builder.AddDouble(5.2);
96 builder.AddOffset(offset.Value);
97 builder.EndObject();
98 }
99 }
100 }
101}
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