Grader_lab4_ex6 performance related issue

[atul20027]

While submitting the results_test to the grade_lab4_ex6 function i m getting the 52.6% performance. However, i my system performance is around 84%

Performance for this set of parameters: 84.11407470703125
Performance for this set of parameters: 84.051513671875
Performance for this set of parameters: 84.32769775390625
Performance for this set of parameters: 83.88214111328125
Performance for this set of parameters: 84.17205810546875
Performance for this set of parameters: 83.97064208984375
Performance for this set of parameters: 84.22393798828125
Performance for this set of parameters: 84.12017822265625
Performance for this set of parameters: 84.31396484375
Performance for this set of parameters: 84.393310546875