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1   /*
2    * Copyright 2020 The Netty Project
3    *
4    * The Netty Project licenses this file to you under the Apache License,
5    * version 2.0 (the "License"); you may not use this file except in compliance
6    * with the License. You may obtain a copy of the License at:
7    *
8    *   https://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, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations
14   * under the License.
15   */
16  package io.netty5.handler.codec.http2;
17  
18  import io.netty5.microbench.util.AbstractMicrobenchmark;
19  import io.netty5.util.AsciiString;
20  import io.netty5.util.CharsetUtil;
21  import org.openjdk.jmh.annotations.Benchmark;
22  import org.openjdk.jmh.annotations.BenchmarkMode;
23  import org.openjdk.jmh.annotations.Fork;
24  import org.openjdk.jmh.annotations.Measurement;
25  import org.openjdk.jmh.annotations.Mode;
26  import org.openjdk.jmh.annotations.OutputTimeUnit;
27  import org.openjdk.jmh.annotations.Scope;
28  import org.openjdk.jmh.annotations.State;
29  import org.openjdk.jmh.annotations.Threads;
30  import org.openjdk.jmh.annotations.Warmup;
31  
32  import java.util.concurrent.TimeUnit;
33  
34  @Fork(1)
35  @Threads(1)
36  @State(Scope.Benchmark)
37  @Warmup(iterations = 5)
38  @Measurement(iterations = 5)
39  @OutputTimeUnit(TimeUnit.NANOSECONDS)
40  public class HpackStaticTableBenchmark extends AbstractMicrobenchmark {
41  
42      private static final CharSequence X_CONTENT_ENCODING =
43              new AsciiString("x-content-encoding".getBytes(CharsetUtil.US_ASCII), false);
44      private static final CharSequence X_GZIP = new AsciiString("x-gzip".getBytes(CharsetUtil.US_ASCII), false);
45      private static final CharSequence STATUS = new AsciiString(":status".getBytes(CharsetUtil.US_ASCII), false);
46      private static final CharSequence STATUS_200 = new AsciiString("200".getBytes(CharsetUtil.US_ASCII), false);
47      private static final CharSequence STATUS_500 = new AsciiString("500".getBytes(CharsetUtil.US_ASCII), false);
48      private static final CharSequence AUTHORITY =
49              new AsciiString(":authority".getBytes(CharsetUtil.US_ASCII), false);
50      private static final CharSequence AUTHORITY_NETTY =
51              new AsciiString("netty.io".getBytes(CharsetUtil.US_ASCII), false);
52      private static final CharSequence USER_AGENT =
53              new AsciiString("user-agent".getBytes(CharsetUtil.US_ASCII), false);
54      private static final CharSequence USER_AGENT_CURL =
55              new AsciiString("curl/7.64.1".getBytes(CharsetUtil.US_ASCII), false);
56  
57      @Benchmark
58      @BenchmarkMode(Mode.AverageTime)
59      public int lookupNoNameMatch() {
60          return HpackStaticTable.getIndexInsensitive(X_CONTENT_ENCODING, X_GZIP);
61      }
62  
63      @Benchmark
64      @BenchmarkMode(Mode.AverageTime)
65      public int lookupNameAndValueMatchFirst() {
66          return HpackStaticTable.getIndexInsensitive(STATUS, STATUS_200);
67      }
68  
69      @Benchmark
70      @BenchmarkMode(Mode.AverageTime)
71      public int lookupNameAndValueMatchLast() {
72          return HpackStaticTable.getIndexInsensitive(STATUS, STATUS_500);
73      }
74  
75      @Benchmark
76      @BenchmarkMode(Mode.AverageTime)
77      public int lookupNameOnlyMatchBeginTable() {
78          return HpackStaticTable.getIndexInsensitive(AUTHORITY, AUTHORITY_NETTY);
79      }
80  
81      @Benchmark
82      @BenchmarkMode(Mode.AverageTime)
83      public int lookupNameOnlyMatchEndTable() {
84          return HpackStaticTable.getIndexInsensitive(USER_AGENT, USER_AGENT_CURL);
85      }
86  }