// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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syntax = "proto3";
package benchmarks;
option java_package = "com.google.protobuf.benchmarks";

message BenchmarkDataset {
  // Name of the benchmark dataset.  This should be unique across all datasets.
  // Should only contain word characters: [a-zA-Z0-9_]
  string name = 1;

  // Fully-qualified name of the protobuf message for this dataset.
  // It will be one of the messages defined benchmark_messages.proto.
  // Implementations that do not support reflection can implement this with
  // an explicit "if/else" chain that lists every possible message defined
  // in this file.
  string message_name = 2;

  // The payload(s) for this dataset.  They should be parsed or serialized
  // in sequence, in a loop, ie.
  //
  //  while (!benchmarkDone) {  // Benchmark runner decides when to exit.
  //    for (i = 0; i < benchmark.payload.length; i++) {
  //      parse(benchmark.payload[i])
  //    }
  //  }
  //
  // This is intended to let datasets include a variety of data to provide
  // potentially more realistic results than just parsing the same message
  // over and over.  A single message parsed repeatedly could yield unusually
  // good branch prediction performance.
  repeated bytes payload = 3;
}

// A benchmark can write out metrics that we will then upload to our metrics
// database for tracking over time.
message Metric {
  // A unique ID for these results.  Used for de-duping.
  string guid = 1;

  // The tags specify exactly what benchmark was run against the dataset.
  // The specific benchmark suite can decide what these mean, but here are
  // some common tags that have a predefined meaning:
  //
  //   - "dataset": for tests that pertain to a specific dataset.
  //
  // For example:
  //
  //   # Tests parsing from binary proto string using arenas.
  //   tags={
  //     dataset: "testalltypes",
  //     op: "parse",
  //     format: "binaryproto",
  //     input: "string"
  //     arena: "true"
  //   }
  //
  //   # Tests serializing to JSON string.
  //   tags={
  //     dataset: "testalltypes",
  //     op: "serialize",
  //     format: "json",
  //     input: "string"
  //   }
  map<string, string> labels = 2;

  // Unit of measurement for the metric:
  //  - a speed test might be "mb_per_second" or "ops_per_second"
  //  - a size test might be "kb".
  string unit = 3;

  // Metric value.
  double value = 4;
}