Nb thread max 1 N 100000 Mean time on 10000 executions Sequential work took 0.000103 seconds OMP work took 0.000101 seconds Nb thread max 2 N 100000 Mean time on 10000 executions Sequential work took 0.000102 seconds OMP work took 0.000052 seconds Nb thread max 4 N 100000 Mean time on 10000 executions Sequential work took 0.000105 seconds OMP work took 0.000030 seconds Nb thread max 6 N 100000 Mean time on 10000 executions Sequential work took 0.000100 seconds OMP work took 0.000022 seconds Nb thread max 12 N 100000 Mean time on 10000 executions Sequential work took 0.000100 seconds OMP work took 0.000022 seconds