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authorcsharptest <roger@csharptest.net>2011-05-20 15:15:34 -0500
committerrogerk <devnull@localhost>2011-05-20 15:15:34 -0500
commit71f662c33e9938951eec3da97140aed25aa815d7 (patch)
treec322e13686cad5c8bff9e54d7585fc8e4adf6537 /src/ProtoBench/Program.cs
parentd965c666ecf405f4e997ab251e72551508a14678 (diff)
downloadprotobuf-71f662c33e9938951eec3da97140aed25aa815d7.tar.gz
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reformatted all code to .NET standard formatting
Diffstat (limited to 'src/ProtoBench/Program.cs')
-rw-r--r--src/ProtoBench/Program.cs312
1 files changed, 168 insertions, 144 deletions
diff --git a/src/ProtoBench/Program.cs b/src/ProtoBench/Program.cs
index 7a9370e4..6203486c 100644
--- a/src/ProtoBench/Program.cs
+++ b/src/ProtoBench/Program.cs
@@ -1,145 +1,169 @@
-#region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2008 Google Inc. All rights reserved.
-// http://github.com/jskeet/dotnet-protobufs/
-// Original C++/Java/Python code:
-// http://code.google.com/p/protobuf/
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-#endregion
-
-using System;
-using System.Diagnostics;
-using System.IO;
-
-namespace Google.ProtocolBuffers.ProtoBench
-{
- /// <summary>
- /// Simple benchmarking of arbitrary messages.
- /// </summary>
- public sealed class Program {
-
- private static readonly TimeSpan MinSampleTime = TimeSpan.FromSeconds(2);
- private static readonly TimeSpan TargetTime = TimeSpan.FromSeconds(30);
-
- // Avoid a .NET 3.5 dependency
- delegate void Action();
-
- public static int Main(string[] args) {
- if (args.Length < 2 || (args.Length % 2) != 0) {
- Console.Error.WriteLine("Usage: ProtoBench <descriptor type name> <input data>");
- Console.Error.WriteLine("The descriptor type name is the fully-qualified message name,");
- Console.Error.WriteLine("including assembly - e.g. Google.ProtocolBuffers.BenchmarkProtos.Message1,ProtoBench");
- Console.Error.WriteLine("(You can specify multiple pairs of descriptor type name and input data.)");
- return 1;
- }
- bool success = true;
- for (int i = 0; i < args.Length; i += 2) {
- success &= RunTest(args[i], args[i + 1]);
- }
- return success ? 0 : 1;
- }
-
- /// <summary>
- /// Runs a single test. Error messages are displayed to Console.Error, and the return value indicates
- /// general success/failure.
- /// </summary>
- public static bool RunTest(string typeName, string file) {
- Console.WriteLine("Benchmarking {0} with file {1}", typeName, file);
- IMessage defaultMessage;
- try {
- defaultMessage = MessageUtil.GetDefaultMessage(typeName);
- } catch (ArgumentException e) {
- Console.Error.WriteLine(e.Message);
- return false;
- }
- try {
- byte[] inputData = File.ReadAllBytes(file);
- MemoryStream inputStream = new MemoryStream(inputData);
- ByteString inputString = ByteString.CopyFrom(inputData);
- IMessage sampleMessage = defaultMessage.WeakCreateBuilderForType().WeakMergeFrom(inputString).WeakBuild();
- Benchmark("Serialize to byte string", inputData.Length, () => sampleMessage.ToByteString());
- Benchmark("Serialize to byte array", inputData.Length, () => sampleMessage.ToByteArray());
- Benchmark("Serialize to memory stream", inputData.Length, () => sampleMessage.WriteTo(new MemoryStream()));
- Benchmark("Deserialize from byte string", inputData.Length,
- () => defaultMessage.WeakCreateBuilderForType()
- .WeakMergeFrom(inputString)
- .WeakBuild()
- );
- Benchmark("Deserialize from byte array", inputData.Length,
- () => defaultMessage.WeakCreateBuilderForType()
- .WeakMergeFrom(CodedInputStream.CreateInstance(inputData))
- .WeakBuild()
- );
- Benchmark("Deserialize from memory stream", inputData.Length, () => {
- inputStream.Position = 0;
- defaultMessage.WeakCreateBuilderForType()
- .WeakMergeFrom(CodedInputStream.CreateInstance(inputStream))
- .WeakBuild();
- });
- Console.WriteLine();
- return true;
- } catch (Exception e) {
- Console.Error.WriteLine("Error: {0}", e.Message);
- Console.Error.WriteLine();
- Console.Error.WriteLine("Detailed exception information: {0}", e);
- return false;
- }
- }
-
- private static void Benchmark(string name, long dataSize, Action action) {
- // Make sure it's JITted
- action();
- // Run it progressively more times until we've got a reasonable sample
-
- int iterations = 1;
- TimeSpan elapsed = TimeAction(action, iterations);
- while (elapsed < MinSampleTime) {
- iterations *= 2;
- elapsed = TimeAction(action, iterations);
- }
- // Upscale the sample to the target time. Do this in floating point arithmetic
- // to avoid overflow issues.
- iterations = (int) ((TargetTime.Ticks / (double)elapsed.Ticks) * iterations);
- elapsed = TimeAction(action, iterations);
- Console.WriteLine("{0}: {1} iterations in {2:f3}s; {3:f3}MB/s",
- name, iterations, elapsed.TotalSeconds,
- (iterations * dataSize) / (elapsed.TotalSeconds * 1024 * 1024));
- }
-
- private static TimeSpan TimeAction(Action action, int iterations) {
- GC.Collect();
- GC.WaitForPendingFinalizers();
- Stopwatch sw = Stopwatch.StartNew();
- for (int i = 0; i < iterations; i++) {
- action();
- }
- sw.Stop();
- return sw.Elapsed;
- }
- }
+#region Copyright notice and license
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace Google.ProtocolBuffers.ProtoBench
+{
+ /// <summary>
+ /// Simple benchmarking of arbitrary messages.
+ /// </summary>
+ public sealed class Program
+ {
+ private static readonly TimeSpan MinSampleTime = TimeSpan.FromSeconds(2);
+ private static readonly TimeSpan TargetTime = TimeSpan.FromSeconds(30);
+
+ // Avoid a .NET 3.5 dependency
+ private delegate void Action();
+
+ public static int Main(string[] args)
+ {
+ if (args.Length < 2 || (args.Length%2) != 0)
+ {
+ Console.Error.WriteLine("Usage: ProtoBench <descriptor type name> <input data>");
+ Console.Error.WriteLine("The descriptor type name is the fully-qualified message name,");
+ Console.Error.WriteLine(
+ "including assembly - e.g. Google.ProtocolBuffers.BenchmarkProtos.Message1,ProtoBench");
+ Console.Error.WriteLine("(You can specify multiple pairs of descriptor type name and input data.)");
+ return 1;
+ }
+ bool success = true;
+ for (int i = 0; i < args.Length; i += 2)
+ {
+ success &= RunTest(args[i], args[i + 1]);
+ }
+ return success ? 0 : 1;
+ }
+
+ /// <summary>
+ /// Runs a single test. Error messages are displayed to Console.Error, and the return value indicates
+ /// general success/failure.
+ /// </summary>
+ public static bool RunTest(string typeName, string file)
+ {
+ Console.WriteLine("Benchmarking {0} with file {1}", typeName, file);
+ IMessage defaultMessage;
+ try
+ {
+ defaultMessage = MessageUtil.GetDefaultMessage(typeName);
+ }
+ catch (ArgumentException e)
+ {
+ Console.Error.WriteLine(e.Message);
+ return false;
+ }
+ try
+ {
+ byte[] inputData = File.ReadAllBytes(file);
+ MemoryStream inputStream = new MemoryStream(inputData);
+ ByteString inputString = ByteString.CopyFrom(inputData);
+ IMessage sampleMessage =
+ defaultMessage.WeakCreateBuilderForType().WeakMergeFrom(inputString).WeakBuild();
+ Benchmark("Serialize to byte string", inputData.Length, () => sampleMessage.ToByteString());
+ Benchmark("Serialize to byte array", inputData.Length, () => sampleMessage.ToByteArray());
+ Benchmark("Serialize to memory stream", inputData.Length,
+ () => sampleMessage.WriteTo(new MemoryStream()));
+ Benchmark("Deserialize from byte string", inputData.Length,
+ () => defaultMessage.WeakCreateBuilderForType()
+ .WeakMergeFrom(inputString)
+ .WeakBuild()
+ );
+ Benchmark("Deserialize from byte array", inputData.Length,
+ () => defaultMessage.WeakCreateBuilderForType()
+ .WeakMergeFrom(CodedInputStream.CreateInstance(inputData))
+ .WeakBuild()
+ );
+ Benchmark("Deserialize from memory stream", inputData.Length, () =>
+ {
+ inputStream.Position = 0;
+ defaultMessage.
+ WeakCreateBuilderForType()
+ .WeakMergeFrom(
+ CodedInputStream.
+ CreateInstance(
+ inputStream))
+ .WeakBuild();
+ });
+ Console.WriteLine();
+ return true;
+ }
+ catch (Exception e)
+ {
+ Console.Error.WriteLine("Error: {0}", e.Message);
+ Console.Error.WriteLine();
+ Console.Error.WriteLine("Detailed exception information: {0}", e);
+ return false;
+ }
+ }
+
+ private static void Benchmark(string name, long dataSize, Action action)
+ {
+ // Make sure it's JITted
+ action();
+ // Run it progressively more times until we've got a reasonable sample
+
+ int iterations = 1;
+ TimeSpan elapsed = TimeAction(action, iterations);
+ while (elapsed < MinSampleTime)
+ {
+ iterations *= 2;
+ elapsed = TimeAction(action, iterations);
+ }
+ // Upscale the sample to the target time. Do this in floating point arithmetic
+ // to avoid overflow issues.
+ iterations = (int) ((TargetTime.Ticks/(double) elapsed.Ticks)*iterations);
+ elapsed = TimeAction(action, iterations);
+ Console.WriteLine("{0}: {1} iterations in {2:f3}s; {3:f3}MB/s",
+ name, iterations, elapsed.TotalSeconds,
+ (iterations*dataSize)/(elapsed.TotalSeconds*1024*1024));
+ }
+
+ private static TimeSpan TimeAction(Action action, int iterations)
+ {
+ GC.Collect();
+ GC.WaitForPendingFinalizers();
+ Stopwatch sw = Stopwatch.StartNew();
+ for (int i = 0; i < iterations; i++)
+ {
+ action();
+ }
+ sw.Stop();
+ return sw.Elapsed;
+ }
+ }
} \ No newline at end of file