pitrou commented on code in PR #40206:
URL: https://github.com/apache/arrow/pull/40206#discussion_r1504236409
##########
cpp/src/arrow/compute/kernels/vector_selection_benchmark.cc:
##########
@@ -158,6 +170,39 @@ struct TakeBenchmark {
}
state.SetItemsProcessed(state.iterations() * values->length());
}
+
+ void BenchChunked(const std::shared_ptr<ChunkedArray>& values, bool
chunk_indices_too) {
+ double indices_null_proportion = indices_have_nulls ? args.null_proportion
: 0;
+ auto indices =
+ rand.Int32(values->length(), 0, static_cast<int32_t>(values->length()
- 1),
+ indices_null_proportion);
+
+ if (monotonic_indices) {
+ auto arg_sorter = *SortIndices(*indices);
+ indices = *Take(*indices, *arg_sorter);
+ }
+ std::shared_ptr<ChunkedArray> chunked_indices;
+ if (chunk_indices_too) {
+ std::vector<std::shared_ptr<Array>> indices_chunks;
+ int64_t offset = 0;
+ for (int i = 0; i < values->num_chunks(); ++i) {
+ auto chunk = indices->Slice(offset, values->chunk(i)->length());
+ indices_chunks.push_back(std::move(chunk));
+ offset += values->chunk(i)->length();
+ }
+ chunked_indices =
std::make_shared<ChunkedArray>(std::move(indices_chunks));
+ }
+
+ if (chunk_indices_too) {
+ for (auto _ : state) {
+ ABORT_NOT_OK(Take(values, chunked_indices).status());
+ }
+ } else {
+ for (auto _ : state) {
+ ABORT_NOT_OK(Take(values, indices).status());
+ }
+ }
Review Comment:
Can we also call `SetItemsProcessed` here?
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