WillAyd commented on code in PR #15041:
URL: https://github.com/apache/arrow/pull/15041#discussion_r1053772951


##########
cpp/src/arrow/compute/kernels/vector_sort_benchmark.cc:
##########
@@ -106,6 +125,19 @@ static void ArraySortFuncBoolBenchmark(benchmark::State& 
state, const Runner& ru
   ArraySortFuncBenchmark(state, runner, values);
 }
 
+template <typename Runner>
+static void ArraySortFuncStringBenchmark(benchmark::State& state, const 
Runner& runner,
+                                         int64_t min_length, int64_t 
max_length) {
+  RegressionArgs args(state);
+
+  const int64_t array_size = args.size / sizeof(int64_t);

Review Comment:
   Hmm OK. IIUC we are parametrizing a benchmark with a bunch of different 
sized byte streams, the length of which is available through args.size. So is 
the suggested fix here to divide that by `sizeof(string)`? Or should it be 
`int32_t` to match the offset of `StringType`?



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