1 #region Copyright notice and license 2 // Protocol Buffers - Google's data interchange format 3 // Copyright 2019 Google Inc. All rights reserved. 4 // https://github.com/protocolbuffers/protobuf 5 // 6 // Redistribution and use in source and binary forms, with or without 7 // modification, are permitted provided that the following conditions are 8 // met: 9 // 10 // * Redistributions of source code must retain the above copyright 11 // notice, this list of conditions and the following disclaimer. 12 // * Redistributions in binary form must reproduce the above 13 // copyright notice, this list of conditions and the following disclaimer 14 // in the documentation and/or other materials provided with the 15 // distribution. 16 // * Neither the name of Google Inc. nor the names of its 17 // contributors may be used to endorse or promote products derived from 18 // this software without specific prior written permission. 19 // 20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 #endregion 32 33 using BenchmarkDotNet.Attributes; 34 35 namespace Google.Protobuf.Benchmarks 36 { 37 /// <summary> 38 /// Benchmarks using ByteString. 39 /// </summary> 40 [MemoryDiagnoser] 41 public class ByteStringBenchmark 42 { 43 private const int Zero = 0; 44 private const int Kilobyte = 1024; 45 private const int _128Kilobytes = 1024 * 128; 46 private const int Megabyte = 1024 * 1024; 47 private const int _10Megabytes = 1024 * 1024 * 10; 48 49 byte[] byteBuffer; 50 51 [GlobalSetup] GlobalSetup()52 public void GlobalSetup() 53 { 54 byteBuffer = new byte[PayloadSize]; 55 } 56 57 [Params(Zero, Kilobyte, _128Kilobytes, Megabyte, _10Megabytes)] 58 public int PayloadSize { get; set; } 59 60 [Benchmark] CopyFrom()61 public ByteString CopyFrom() 62 { 63 return ByteString.CopyFrom(byteBuffer); 64 } 65 66 [Benchmark] UnsafeWrap()67 public ByteString UnsafeWrap() 68 { 69 return UnsafeByteOperations.UnsafeWrap(byteBuffer); 70 } 71 } 72 } 73