Function BenchmarkCSVParsing

cpp/src/arrow/csv/parser_benchmark.cc:158–184

}

static void BenchmarkCSVParsing(benchmark::State& state,  // NOLINT non-const reference
                                const std::string& csv, int32_t num_rows,
                                ParseOptions options) {
  BlockParser parser(options, -1, num_rows + 1);

  while (state.KeepRunning()) {
    uint32_t parsed_size = 0;
    ABORT_NOT_OK(parser.Parse(std::string_view(csv), &parsed_size));

    // Include performance of visiting the parsed values, as that might
    // vary depending on the parser's internal data structures.
    bool dummy_quoted = false;
    uint32_t dummy_size = 0;
    auto visit = [&](const uint8_t* data, uint32_t size, bool quoted) {
      dummy_size += size;
      dummy_quoted ^= quoted;
      return Status::OK();
    };
    for (int32_t col = 0; col < parser.num_cols(); ++col) {
      ABORT_NOT_OK(parser.VisitColumn(col, visit));
      benchmark::DoNotOptimize(dummy_size);
      benchmark::DoNotOptimize(dummy_quoted);
    }
  }

  state.SetBytesProcessed(state.iterations() * csv.size());
}

static void BenchmarkCSVParsing(benchmark::State& state,  // NOLINT non-const reference
                                const Example& example, ParseOptions options) {