message: Add the newly added "run_frequency" parameter to the README.md.
diff: @@ -34,6 +34,12 @@ and the following optional parameters:
  * `run_delay`: `float` (default=-1.0) \
  The delay in seconds between subsequent benchmark runs. Non-positive values
  mean use no delay.
  +* `run_frequency`: `float` (default=-1.0) \
  + The frequency of running a benchmark run as the number of prorated runs per
  + second. If the targeted rate per second cannot be reached, the benchmark
  + would start the next run immediately, trying its best to catch up. If set,
  + this will override the `run_delay` parameter. A non-positive value means
  + there is no delay between subsequent runs.
  * `enable_op_profiling`: `bool` (default=false) \
  Whether to enable per-operator profiling measurement.
  * `profiling_output_csv_file`: `str` (default="") \
  