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Add performance.md and add instruction for linking tcmalloc
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BSBandme committed Mar 23, 2018
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15 changes: 14 additions & 1 deletion benchmarks/README.md
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This directory contains benchmarking schemas and data sets that you
can use to test a variety of performance scenarios against your
protobuf language runtime.
protobuf language runtime. If you are looking for performance
numbers of officially support languages, see [here](
https://github.com/google/protobuf/blob/master/docs/Performance.md)

## Prerequisite

Expand All @@ -17,6 +19,11 @@ We are using [google/benchmark](https://github.com/google/benchmark) as the
benchmark tool for testing cpp. This will be automaticly made during build the
cpp benchmark.

The cpp protobuf performance can be improved by linking with [tcmalloc library](
https://gperftools.github.io/gperftools/tcmalloc.html). For using tcmalloc, you
need to build [gpertools](https://github.com/gperftools/gperftools) to generate
libtcmallc.so library.

### Java
We're using maven to build the java benchmarks, which is the same as to build
the Java protobuf. There're no other tools need to install. We're using
Expand Down Expand Up @@ -79,6 +86,12 @@ $ make java
$ make cpp
```

For linking with tcmalloc:

```
$ env LD_PRELOAD={directory to libtcmalloc.so} make cpp
```

### Python:

We have three versions of python protobuf implementation: pure python, cpp
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304 changes: 304 additions & 0 deletions docs/performance.md
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# Protobuf Perforamcne
This benchmark result is tested on workstation with processor of Intel® Xeon® Processor E5-2630 and 32GB RAM

This table contains 3 languages' results:

* **C++** - For C++ there're 3 kinds of parsing ways:
* **new** - This is for using new operator for creating message instance.
* **new arena** - This is for using arena for creating new message instance.
* **reuse** - This is for reusing the same message instance for parsing.
* **Java** - For Java there're 3 kinds of parsing/Serialization ways:
* **byte[]** - This is for parsing from a Byte Array.
* **ByteString** - This is for parsing from a
com.google.protobuf.ByteString.
* **InputStream** - This is for parsing from a InputStream
* **Python** - For Pythong there're 3 kinds of python protobuf for testing:
* **C++-genereated-code** - This is for using cpp generated code of the
proto file as dynamic linked library.
* **C++-reflection** - This is for using cpp reflection, which there's no
generated code, but still using cpp protobuf library as dynamic linked
library.
* **pure-Python** - This is for pure Python version, which don't link with
any cpp protobuf library.

## Parsing performance

<table>
<tbody><tr>
<th rowspan="2"> </th>
<th colspan="3" rowspan="1">C++</th>
<th colspan="3" rowspan="1">C++ with tcmalloc</th>
<th colspan="3" rowspan="1">java</th>
<th colspan="3" rowspan="1">python</th>
</tr>
<tr>
<th colspan="1">new</th>
<th colspan="1">new arena</th>
<th colspan="1">reuse</th>
<th colspan="1">new</th>
<th colspan="1">new arena</th>
<th colspan="1">reuse</th>
<th colspan="1">byte[]</th>
<th colspan="1">ByteString</th>
<th colspan="1">InputStream</th>
<th colspan="1">C++-generated-code</th>
<th colspan="1">C++-reflection</th>
<th colspan="1">pure-Python</th>
</tr>
<tr>
<td>google_message1_proto2</td>
<td>368.717MB/s</td>
<td>261.847MB/s</td>
<td>799.403MB/s</td>
<td>645.183MB/s</td>
<td>441.023MB/s</td>
<td>1.122GB/s</td>
<td>425.437MB/s</td>
<td>425.937MB/s</td>
<td>251.018MB/s</td>
<td>82.8314MB/s</td>
<td>47.6763MB/s</td>
<td>3.76299MB/s</td>
</tr>
<tr>
<td>google_message1_proto3</td>
<td>294.517MB/s</td>
<td>229.116MB/s</td>
<td>469.982MB/s</td>
<td>434.510MB/s</td>
<td>394.701MB/s</td>
<td>591.931MB/s</td>
<td>357.597MB/s</td>
<td>378.568MB/s</td>
<td>221.676MB/s</td>
<td>82.0498MB/s</td>
<td>39.9467MB/s</td>
<td>3.77751MB/s</td>
</tr>
<tr>
<td>google_message2</td>
<td>277.242MB/s</td>
<td>347.611MB/s</td>
<td>793.67MB/s</td>
<td>503.721MB/s</td>
<td>596.333MB/s</td>
<td>922.533MB/s</td>
<td>416.778MB/s</td>
<td>419.543MB/s</td>
<td>367.145MB/s</td>
<td>241.46MB/s</td>
<td>71.5723MB/s</td>
<td>2.73538MB/s</td>
</tr>
<tr>
<td>google_message3_1</td>
<td>213.478MB/s</td>
<td>291.58MB/s</td>
<td>543.398MB/s</td>
<td>539.704MB/s</td>
<td>717.300MB/s</td>
<td>927.333MB/s</td>
<td>684.241MB/s</td>
<td>704.47MB/s</td>
<td>648.624MB/s</td>
<td>209.036MB/s</td>
<td>142.356MB/s</td>
<td>15.3324MB/s</td>
</tr>
<tr>
<td>google_message3_2</td>
<td>672.685MB/s</td>
<td>802.767MB/s</td>
<td>1.21505GB/s</td>
<td>985.790MB/s</td>
<td>1.136GB/s</td>
<td>1.367GB/s</td>
<td>1.54439GB/s</td>
<td>1.60603GB/s</td>
<td>1.33443GB/s</td>
<td>573.835MB/s</td>
<td>314.33MB/s</td>
<td>15.0169MB/s</td>
</tr>
<tr>
<td>google_message3_3</td>
<td>207.681MB/s</td>
<td>140.591MB/s</td>
<td>535.181MB/s</td>
<td>369.743MB/s</td>
<td>262.301MB/s</td>
<td>556.644MB/s</td>
<td>279.385MB/s</td>
<td>304.853MB/s</td>
<td>107.575MB/s</td>
<td>32.248MB/s</td>
<td>26.1431MB/s</td>
<td>2.63541MB/s</td>
</tr>
<tr>
<td>google_message3_4</td>
<td>7.96091GB/s</td>
<td>7.10024GB/s</td>
<td>9.3013GB/s</td>
<td>8.518GB/s</td>
<td>8.171GB/s</td>
<td>9.917GB/s</td>
<td>5.78006GB/s</td>
<td>5.85198GB/s</td>
<td>4.62609GB/s</td>
<td>2.49631GB/s</td>
<td>2.35442GB/s</td>
<td>802.061MB/s</td>
</tr>
<tr>
<td>google_message3_5</td>
<td>76.0072MB/s</td>
<td>51.6769MB/s</td>
<td>237.856MB/s</td>
<td>178.495MB/s</td>
<td>111.751MB/s</td>
<td>329.569MB/s</td>
<td>121.038MB/s</td>
<td>132.866MB/s</td>
<td>36.9197MB/s</td>
<td>10.3962MB/s</td>
<td>8.84659MB/s</td>
<td>1.25203MB/s</td>
</tr>
<tr>
<td>google_message4</td>
<td>331.46MB/s</td>
<td>404.862MB/s</td>
<td>427.99MB/s</td>
<td>589.887MB/s</td>
<td>720.367MB/s</td>
<td>705.373MB/s</td>
<td>606.228MB/s</td>
<td>589.13MB/s</td>
<td>530.692MB/s</td>
<td>305.543MB/s</td>
<td>174.834MB/s</td>
<td>7.86485MB/s</td>
</tr>
</tbody></table>

## Serialization performance

<table>
<tbody><tr>
<th rowspan="2"> </th>
<th colspan="1" rowspan="2">C++</th>
<th colspan="1" rowspan="2">C++ with tcmalloc</th>
<th colspan="3" rowspan="1">java</th>
<th colspan="3" rowspan="1">python</th>
</tr>
<tr>
<th colspan="1">byte[]</th>
<th colspan="1">ByteString</th>
<th colspan="1">InputStream</th>
<th colspan="1">C++-generated-code</th>
<th colspan="1">C++-reflection</th>
<th colspan="1">pure-Python</th>
</tr>
<tr>
<td>google_message1_proto2</td>
<td>1.39698GB/s</td>
<td>1.701GB/s</td>
<td>1.12915GB/s</td>
<td>1.13589GB/s</td>
<td>758.609MB/s</td>
<td>260.911MB/s</td>
<td>58.4815MB/s</td>
<td>5.77824MB/s</td>
</tr>
<tr>
<td>google_message1_proto3</td>
<td>959.305MB/s</td>
<td>939.404MB/s</td>
<td>1.15372GB/s</td>
<td>1.07824GB/s</td>
<td>802.337MB/s</td>
<td>239.4MB/s</td>
<td>33.6336MB/s</td>
<td>5.80524MB/s</td>
</tr>
<tr>
<td>google_message2</td>
<td>1.27429GB/s</td>
<td>1.402GB/s</td>
<td>1.01039GB/s</td>
<td>1022.99MB/s</td>
<td>798.736MB/s</td>
<td>996.755MB/s</td>
<td>57.9601MB/s</td>
<td>4.09246MB/s</td>
</tr>
<tr>
<td>google_message3_1</td>
<td>1.31916GB/s</td>
<td>2.049GB/s</td>
<td>991.496MB/s</td>
<td>860.332MB/s</td>
<td>662.88MB/s</td>
<td>1.48625GB/s</td>
<td>421.287MB/s</td>
<td>18.002MB/s</td>
</tr>
<tr>
<td>google_message3_2</td>
<td>2.15676GB/s</td>
<td>2.632GB/s</td>
<td>2.14736GB/s</td>
<td>2.08136GB/s</td>
<td>1.55997GB/s</td>
<td>2.39597GB/s</td>
<td>326.777MB/s</td>
<td>16.0527MB/s</td>
</tr>
<tr>
<td>google_message3_3</td>
<td>650.456MB/s</td>
<td>1.040GB/s</td>
<td>593.52MB/s</td>
<td>580.667MB/s</td>
<td>346.839MB/s</td>
<td>123.978MB/s</td>
<td>35.893MB/s</td>
<td>2.32834MB/s</td>
</tr>
<tr>
<td>google_message3_4</td>
<td>8.70154GB/s</td>
<td>9.825GB/s</td>
<td>5.88645GB/s</td>
<td>5.93946GB/s</td>
<td>2.44388GB/s</td>
<td>5.9241GB/s</td>
<td>4.05837GB/s</td>
<td>876.87MB/s</td>
</tr>
<tr>
<td>google_message3_5</td>
<td>246.33MB/s</td>
<td>443.993MB/s</td>
<td>283.278MB/s</td>
<td>259.167MB/s</td>
<td>206.37MB/s</td>
<td>37.0285MB/s</td>
<td>12.2228MB/s</td>
<td>1.1979MB/s</td>
</tr>
<tr>
<td>google_message4</td>
<td>1.56674GB/s</td>
<td>2.19601GB/s</td>
<td>776.907MB/s</td>
<td>770.707MB/s</td>
<td>702.931MB/s</td>
<td>1.49623GB/s</td>
<td>205.116MB/s</td>
<td>8.93428MB/s</td>
</tr>
</tbody></table>

\* The cpp performance can be improved by using [tcmalloc](https://gperftools.github.io/gperftools/tcmalloc.html), please follow the (instruction)[https://github.com/google/protobuf/blob/master/benchmarks/README.md] to link with tcmalloc to get the faster result.

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