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ParseRawPrimitivesBenchmark: compare CodedInputStream vs ParseContext

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This commit is contained in:
Jan Tattermusch 2020-04-03 16:11:41 +02:00
parent b2d2915439
commit 5f836193c7
1 changed files with 103 additions and 6 deletions
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109
csharp/src/Google.Protobuf.Benchmarks/ParseRawPrimitivesBenchmark.cs
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@ -35,6 +35,7 @@ using System;
using System.Buffers.Binary;
using System.Collections.Generic;
using System.IO;
using System.Buffers;
namespace Google.Protobuf.Benchmarks
{
@ -85,7 +86,7 @@ namespace Google.Protobuf.Benchmarks
[Arguments(3)]
[Arguments(4)]
[Arguments(5)]
public int ParseRawVarint32(int encodedSize)
public int ParseRawVarint32_CodedInputStream(int encodedSize)
{
CodedInputStream cis = new CodedInputStream(varintInputBuffers[encodedSize]);
int sum = 0;
@ -96,6 +97,23 @@ namespace Google.Protobuf.Benchmarks
return sum;
}
[Benchmark]
[Arguments(1)]
[Arguments(2)]
[Arguments(3)]
[Arguments(4)]
[Arguments(5)]
public int ParseRawVarint32_ParseContext(int encodedSize)
{
var ctx = CreateParseContext(varintInputBuffers[encodedSize]);
int sum = 0;
for (int i = 0; i < BytesToParse / encodedSize; i++)
{
sum += ctx.ReadInt32();
}
return sum;
}
[Benchmark]
[Arguments(1)]
[Arguments(2)]
@ -107,7 +125,7 @@ namespace Google.Protobuf.Benchmarks
[Arguments(8)]
[Arguments(9)]
[Arguments(10)]
public long ParseRawVarint64(int encodedSize)
public long ParseRawVarint64_CodedInputStream(int encodedSize)
{
CodedInputStream cis = new CodedInputStream(varintInputBuffers[encodedSize]);
long sum = 0;
@ -119,7 +137,29 @@ namespace Google.Protobuf.Benchmarks
}
[Benchmark]
public uint ParseFixed32()
[Arguments(1)]
[Arguments(2)]
[Arguments(3)]
[Arguments(4)]
[Arguments(5)]
[Arguments(6)]
[Arguments(7)]
[Arguments(8)]
[Arguments(9)]
[Arguments(10)]
public long ParseRawVarint64_ParseContext(int encodedSize)
{
var ctx = CreateParseContext(varintInputBuffers[encodedSize]);
long sum = 0;
for (int i = 0; i < BytesToParse / encodedSize; i++)
{
sum += ctx.ReadInt64();
}
return sum;
}
[Benchmark]
public uint ParseFixed32_CodedInputStream()
{
const int encodedSize = sizeof(uint);
CodedInputStream cis = new CodedInputStream(fixedIntInputBuffer);
@ -132,7 +172,20 @@ namespace Google.Protobuf.Benchmarks
}
[Benchmark]
public ulong ParseFixed64()
public uint ParseFixed32_ParseContext()
{
const int encodedSize = sizeof(uint);
var ctx = CreateParseContext(fixedIntInputBuffer);
uint sum = 0;
for (uint i = 0; i < BytesToParse / encodedSize; i++)
{
sum += ctx.ReadFixed32();
}
return sum;
}
[Benchmark]
public ulong ParseFixed64_CodedInputStream()
{
const int encodedSize = sizeof(ulong);
CodedInputStream cis = new CodedInputStream(fixedIntInputBuffer);
@ -145,7 +198,20 @@ namespace Google.Protobuf.Benchmarks
}
[Benchmark]
public float ParseRawFloat()
public ulong ParseFixed64_ParseContext()
{
const int encodedSize = sizeof(ulong);
var ctx = CreateParseContext(fixedIntInputBuffer);
ulong sum = 0;
for (int i = 0; i < BytesToParse / encodedSize; i++)
{
sum += ctx.ReadFixed64();
}
return sum;
}
[Benchmark]
public float ParseRawFloat_CodedInputStream()
{
const int encodedSize = sizeof(float);
CodedInputStream cis = new CodedInputStream(floatInputBuffer);
@ -158,7 +224,20 @@ namespace Google.Protobuf.Benchmarks
}
[Benchmark]
public double ParseRawDouble()
public float ParseRawFloat_ParseContext()
{
const int encodedSize = sizeof(float);
var ctx = CreateParseContext(floatInputBuffer);
float sum = 0;
for (int i = 0; i < BytesToParse / encodedSize; i++)
{
sum += ctx.ReadFloat();
}
return sum;
}
[Benchmark]
public double ParseRawDouble_CodedInputStream()
{
const int encodedSize = sizeof(double);
CodedInputStream cis = new CodedInputStream(doubleInputBuffer);
@ -170,6 +249,24 @@ namespace Google.Protobuf.Benchmarks
return sum;
}
[Benchmark]
public double ParseRawDouble_ParseContext()
{
const int encodedSize = sizeof(double);
var ctx = CreateParseContext(doubleInputBuffer);
double sum = 0;
for (int i = 0; i < BytesToParse / encodedSize; i++)
{
sum += ctx.ReadDouble();
}
return sum;
}
private static ParseContext CreateParseContext(byte[] buffer)
{
return new ParseContext(new ReadOnlySequence<byte>(buffer));
}
private static byte[] CreateBufferWithRandomVarints(Random random, int valueCount, int encodedSize, int paddingValueCount)
{
MemoryStream ms = new MemoryStream();