Function CountKernelBenchInt64

cpp/src/arrow/acero/aggregate_benchmark.cc:729–740

//

static void CountKernelBenchInt64(benchmark::State& state) {
  RegressionArgs args(state);
  const int64_t array_size = args.size / sizeof(int64_t);
  auto rand = random::RandomArrayGenerator(1923);
  auto array = rand.Numeric<Int64Type>(array_size, -100, 100, args.null_proportion);

  for (auto _ : state) {
    ABORT_NOT_OK(Count(array->Slice(1, array_size)).status());
  }

  state.SetItemsProcessed(state.iterations() * array_size);
}
BENCHMARK(CountKernelBenchInt64)->Args({1 * 1024 * 1024, 2});  // 1M with 50% null.

//