https://scratch.mit.edu/projects/266933659/ 's tests result

Single test              : [Algo 1 test, Algo 2 test, Algo 3 test]
Quality   3 (50000 loops): [4461.497275, 4513.042686, 4321.894718]
Quality  10 (15811 loops): [2230.042308, 2347.238699, 2269.087247]

Quality  31 ( 5000 loops): Double tests to ensure   [
     Algorithm 1 Test    : [ 802.053258,  826.719576],
     Algorithm 2 Test    : [1042.970386, 1036.914136],
     Algorithm 3 Test    : [ 943.752348,  984.639619]]

Quality 100 ( 1581 loops): Triple tests to ensure   [
                           [ 302.410096,  261.971832,  263.236764],
                           [ 336.096943,  367.588930,  359.154932],
                           [ 365.840644,  375.623666,  358.016304]]

Quality 316 (  500 loops): Quadriple tests ensure   [
                           [ 103.092783,  105.775333,  103.605472,   97.427904],
                           [ 114.025086,  125.250502,  122.369066,  122.458976],
                           [ 116.849730,  122.488976,  118.906064,  116.468670]]