Bench sim measures

[SrujithPoondla]

-- Added code to do the benchmarks with an option to select the measure and size of dataset.

[coveralls]

Coverage remained the same at 99.91% when pulling b48baba on bench_sim_measures into 05315a0 on master.

[coveralls]

Coverage remained the same at 99.91% when pulling 229dc01 on bench_sim_measures into 05315a0 on master.

[coveralls]

Coverage decreased (-0.007%) to 99.903% when pulling 0f05df4 on bench_sim_measures into 05315a0 on master.

[coveralls]

Coverage decreased (-0.007%) to 99.903% when pulling 0f05df4 on bench_sim_measures into 05315a0 on master.