pitrou commented on code in PR #36298:
URL: https://github.com/apache/arrow/pull/36298#discussion_r1244041526
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cpp/src/parquet/encoding_benchmark.cc:
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@@ -782,6 +782,27 @@ static void BM_RleDecodingSpacedBoolean(benchmark::State&
state) {
}
BENCHMARK(BM_RleDecodingSpacedBoolean)->Apply(BM_SpacedArgs);
+template <typename Type>
+static void EncodeDict(std::vector<typename Type::c_type>& values,
+ benchmark::State& state) {
+ using T = typename Type::c_type;
+ int num_values = static_cast<int>(values.size());
+
+ MemoryPool* allocator = default_memory_pool();
+ std::shared_ptr<ColumnDescriptor> descr = Int64Schema(Repetition::REQUIRED);
+
+ auto base_encoder = MakeEncoder(Type::type_num, Encoding::RLE_DICTIONARY,
+ /*use_dictionary=*/true, descr.get(),
allocator);
+ auto encoder =
+ dynamic_cast<typename
EncodingTraits<Type>::Encoder*>(base_encoder.get());
+ for (auto _ : state) {
+ encoder->Put(values.data(), num_values);
+ encoder->FlushValues();
+ }
+
+ state.SetBytesProcessed(state.iterations() * state.range(0) * sizeof(T));
Review Comment:
You addressed only one comment here.
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