ARROW-11490: [C++] BM_ArrowBinaryDict/EncodeLowLevel is not determini…

…stic Clearing out previous values before generating new data. This will allow the benchmark to be more consistent when run with benchmark_repetitions Closes #9411 from westonpace/bugfix/arrow-11490 Authored-by: Weston Pace <[email protected]> Signed-off-by: Antoine Pitrou <[email protected]>
apache · Feb 8, 2021 · 1c219e3 · 1c219e3
1 parent 8abb936
commit 1c219e3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/cpp/src/parquet/encoding_benchmark.cc b/cpp/src/parquet/encoding_benchmark.cc
@@ -534,6 +534,7 @@ class BenchmarkDecodeArrow : public ::benchmark::Fixture {
   void TearDown(const ::benchmark::State& state) override {
     buffer_.reset();
     input_array_.reset();
+    values_.clear();
   }
 
   void InitDataInputs() {