message: fixed efficiency_pct for batch run
diff: @@ -677,12 +677,11 @@ void TransformPowX(const ExecPlan& execPlan,
  data.node->length, data.node->precision, data.node->inArrayType);
  size_t out_size_bytes = data_size_bytes(
  data.node->length, data.node->precision, data.node->outArrayType);
  - size_t total_size_bytes = in_size_bytes + out_size_bytes;
  + size_t total_size_bytes = (in_size_bytes + out_size_bytes) * data.node->batch;
  float duration_ms = 0.0f;
  hipEventElapsedTime(&duration_ms, start, stop);
  - auto exec_bw
  - = execution_bandwidth_GB_per_s(in_size_bytes + out_size_bytes, duration_ms);
  + auto exec_bw = execution_bandwidth_GB_per_s(total_size_bytes, duration_ms);
  auto efficiency_pct = 0.0;
  if(max_memory_bw != 0.0)
  efficiency_pct = 100.0 * exec_bw / max_memory_bw;
  