nterms=200000000 nthreads=1 Main: now waiting for the threads... Thread thread #1: a=1 b=200000001 Thread thread #1 sumab = 19.6910435919144 Main: total sum = 19.6910435919144 nterms=200000000 nthreads=2 Main: now waiting for the threads... Thread thread #2: a=100000001 b=200000001 Thread thread #1: a=1 b=100000001 Thread thread #1 sumab = 18.9978964138526 Thread thread #2 sumab = 0.693147178059741 Main: total sum = 19.6910435919123 nterms=200000000 nthreads=3 Main: now waiting for the threads... Thread thread #2: a=66666667 b=133333334 Thread thread #1: a=1 b=66666667 Thread thread #3: a=133333334 b=200000001 Thread thread #3 sumab = 0.405465109358139 Thread thread #2 sumab = 0.693147184310161 Thread thread #1 sumab = 18.5924312982437 Main: total sum = 19.691043591912 nterms=200000000 nthreads=4 Main: now waiting for the threads... Thread thread #1: a=1 b=50000001 Thread thread #3: a=100000001 b=150000001 Thread thread #4: a=150000001 b=200000001 Thread thread #2: a=50000001 b=100000001 Thread thread #4 sumab = 0.287682071618549 Thread thread #1 sumab = 18.3047492382933 Thread thread #3 sumab = 0.405465106441426 Thread thread #2 sumab = 0.693147175559714 Main: total sum = 19.691043591913 nterms=200000000 nthreads=5 Main: now waiting for the threads... Thread thread #3: a=80000001 b=120000001 Thread thread #4: a=120000001 b=160000001 Thread thread #2: a=40000001 b=80000001 Thread thread #1: a=1 b=40000001 Thread thread #5: a=160000001 b=200000001 Thread thread #5 sumab = 0.223143550689328 Thread thread #1 sumab = 18.0816056894781 Thread thread #3 sumab = 0.405465106024843 Thread thread #4 sumab = 0.287682071410081 Thread thread #2 sumab = 0.693147174309758 Main: total sum = 19.6910435919121 nterms=200000000 nthreads=6 Main: now waiting for the threads... Thread thread #3: a=66666667 b=100000001 Thread thread #4: a=100000001 b=133333334 Thread thread #2: a=33333334 b=66666667 Thread thread #1: a=1 b=33333334 Thread thread #5: a=133333334 b=166666667 Thread thread #6: a=166666667 b=200000001 Thread thread #2 sumab = 0.693147173059905 Thread thread #3 sumab = 0.40546511560833 Thread thread #5 sumab = 0.223143549064184 Thread thread #1 sumab = 17.8992841251813 Thread thread #4 sumab = 0.287682068701782 Thread thread #6 sumab = 0.182321560294066 Main: total sum = 19.6910435919095 nterms=200000000 nthreads=7 Main: now waiting for the threads... Thread thread #5: a=114285715 b=142857143 Thread thread #2: a=28571429 b=57142858 Thread thread #3: a=57142858 b=85714286 Thread thread #7: a=171428572 b=200000001 Thread thread #6: a=142857143 b=171428572 Thread thread #4: a=85714286 b=114285715 Thread thread #1: a=1 b=28571429 Thread thread #1 sumab = 17.7451334378552 Thread thread #6 sumab = 0.182321559710634 Thread thread #5 sumab = 0.223143546939202 Thread thread #2 sumab = 0.693147189309943 Thread thread #3 sumab = 0.405465099358053 Thread thread #4 sumab = 0.287682076826711 Thread thread #7 sumab = 0.154150681910571 Main: total sum = 19.6910435919103 nterms=200000000 nthreads=8 Main: now waiting for the threads... Thread thread #3: a=50000001 b=75000001 Thread thread #5: a=100000001 b=125000001 Thread thread #4: a=75000001 b=100000001 Thread thread #7: a=150000001 b=175000001 Thread thread #6: a=125000001 b=150000001 Thread thread #1: a=1 b=25000001 Thread thread #2: a=25000001 b=50000001 Thread thread #8: a=175000001 b=200000001 Thread thread #3 sumab = 0.4054651047748 Thread thread #6 sumab = 0.182321556127268 Thread thread #5 sumab = 0.223143550314217 Thread thread #4 sumab = 0.287682070785091 Thread thread #1 sumab = 17.6116020677299 Thread thread #8 sumab = 0.13353139226736 Thread thread #2 sumab = 0.69314717056011 Thread thread #7 sumab = 0.154150679351042 Main: total sum = 19.6910435919098 nterms=200000000 nthreads=9 Main: now waiting for the threads... Thread thread #2: a=22222223 b=44444445 Thread thread #7: a=133333334 b=155555556 Thread thread #4: a=66666667 b=88888889 Thread thread #8: a=155555556 b=177777778 Thread thread #9: a=177777778 b=200000001 Thread thread #6: a=111111112 b=133333334 Thread thread #3: a=44444445 b=66666667 Thread thread #1: a=1 b=22222223 Thread thread #5: a=88888889 b=111111112 Thread thread #8 sumab = 0.133531391419167 Thread thread #3 sumab = 0.405465104358085 Thread thread #2 sumab = 0.693147169309895 Thread thread #4 sumab = 0.287682070576829 Thread thread #7 sumab = 0.154150678220093 Thread thread #5 sumab = 0.223143559189163 Thread thread #1 sumab = 17.4938190245743 Thread thread #6 sumab = 0.182321554543947 Thread thread #9 sumab = 0.11778303971887 Main: total sum = 19.6910435919104 nterms=200000000 nthreads=10 Main: now waiting for the threads... Thread thread #8: a=140000001 b=160000001 Thread thread #4: a=60000001 b=80000001 Thread thread #5: a=80000001 b=100000001 Thread thread #6: a=100000001 b=120000001 Thread thread #7: a=120000001 b=140000001 Thread thread #2: a=20000001 b=40000001 Thread thread #9: a=160000001 b=180000001 Thread thread #10: a=180000001 b=200000001 Thread thread #1: a=1 b=20000001 Thread thread #3: a=40000001 b=60000001 Thread thread #5 sumab = 0.223143550064179 Thread thread #10 sumab = 0.105360515380048 Thread thread #2 sumab = 0.69314716805987 Thread thread #7 sumab = 0.154150679232009 Thread thread #9 sumab = 0.117783035309168 Thread thread #1 sumab = 17.3884585214171 Thread thread #8 sumab = 0.13353139217812 Thread thread #4 sumab = 0.287682070368405 Thread thread #3 sumab = 0.40546510394147 Thread thread #6 sumab = 0.182321555960627 Main: total sum = 19.691043591911 harm: start: summing from 1 to 200000001 harm: finish: sum from 1 to 200000001 = 19.691 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 100000001 harm: start: summing from 100000001 to 200000001 harm: finish: sum from 1 to 100000001 = 18.9979 harm: finish: sum from 100000001 to 200000001 = 0.693147 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 66666667 harm: start: summing from 133333333 to 199999999 harm: start: summing from 66666667 to 133333333 harm: finish: sum from 133333333 to 199999999 = 0.405465 harm: finish: sum from 66666667 to 133333333 = 0.693147 harm: finish: sum from 1 to 66666667 = 18.5924 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 50000001 harm: start: summing from 50000001 to 100000001 harm: start: summing from 100000001 to 150000001 harm: start: summing from 150000001 to 200000001 harm: finish: sum from 50000001 to 100000001 = 0.693147 harm: finish: sum from 100000001 to 150000001 = 0.405465 harm: finish: sum from 150000001 to 200000001 = 0.287682 harm: finish: sum from 1 to 50000001 = 18.3047 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 40000001 harm: start: summing from 40000001 to 80000001 harm: start: summing from 80000001 to 120000001 harm: start: summing from 120000001 to 160000001 harm: start: summing from 160000001 to 200000001 harm: finish: sum from 160000001 to 200000001 = 0.223144 harm: finish: sum from 80000001 to 120000001 = 0.405465 harm: finish: sum from 120000001 to 160000001 = 0.287682 harm: finish: sum from 1 to 40000001 = 18.0816 harm: finish: sum from 40000001 to 80000001 = 0.693147 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 33333334 harm: start: summing from 33333334 to 66666667 harm: start: summing from 66666667 to 100000000 harm: start: summing from 100000000 to 133333333 harm: start: summing from 133333333 to 166666666 harm: start: summing from 166666666 to 199999999 harm: finish: sum from 1 to 33333334 = 17.8993 harm: finish: sum from 33333334 to 66666667 = 0.693147 harm: finish: sum from 133333333 to 166666666 = 0.223144 harm: finish: sum from 166666666 to 199999999 = 0.182322 harm: finish: sum from 100000000 to 133333333 = 0.287682 harm: finish: sum from 66666667 to 100000000 = 0.405465 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 28571429 harm: start: summing from 28571429 to 57142857 harm: start: summing from 114285713 to 142857141 harm: start: summing from 171428569 to 199999997 harm: start: summing from 57142857 to 85714285 harm: start: summing from 85714285 to 114285713 harm: start: summing from 142857141 to 171428569 harm: finish: sum from 1 to 28571429 = 17.7451 harm: finish: sum from 171428569 to 199999997 = 0.154151 harm: finish: sum from 142857141 to 171428569 = 0.182322 harm: finish: sum from 85714285 to 114285713 = 0.287682 harm: finish: sum from 57142857 to 85714285 = 0.405465 harm: finish: sum from 114285713 to 142857141 = 0.223144 harm: finish: sum from 28571429 to 57142857 = 0.693147 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 25000001 harm: start: summing from 25000001 to 50000001 harm: start: summing from 75000001 to 100000001 harm: start: summing from 50000001 to 75000001 harm: start: summing from 175000001 to 200000001 harm: start: summing from 100000001 to 125000001 harm: start: summing from 125000001 to 150000001 harm: start: summing from 150000001 to 175000001 harm: finish: sum from 75000001 to 100000001 = 0.287682 harm: finish: sum from 175000001 to 200000001 = 0.133531 harm: finish: sum from 25000001 to 50000001 = 0.693147 harm: finish: sum from 1 to 25000001 = 17.6116 harm: finish: sum from 50000001 to 75000001 = 0.405465 harm: finish: sum from 100000001 to 125000001 = 0.223144 harm: finish: sum from 150000001 to 175000001 = 0.154151 harm: finish: sum from 125000001 to 150000001 = 0.182322 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 22222223 harm: start: summing from 22222223 to 44444445 harm: start: summing from 44444445 to 66666667 harm: start: summing from 177777777 to 199999999 harm: start: summing from 66666667 to 88888889 harm: start: summing from 88888889 to 111111111 harm: start: summing from 111111111 to 133333333 harm: start: summing from 133333333 to 155555555 harm: start: summing from 155555555 to 177777777 harm: finish: sum from 177777777 to 199999999 = 0.117783 harm: finish: sum from 1 to 22222223 = 17.4938 harm: finish: sum from 22222223 to 44444445 = 0.693147 harm: finish: sum from 133333333 to 155555555 = 0.154151 harm: finish: sum from 44444445 to 66666667 = 0.405465 harm: finish: sum from 66666667 to 88888889 = 0.287682 harm: finish: sum from 111111111 to 133333333 = 0.182322 harm: finish: sum from 88888889 to 111111111 = 0.223144 harm: finish: sum from 155555555 to 177777777 = 0.133531 main: harmonic sum from 1 to 200000000 = 19.691 harm: start: summing from 1 to 20000001 harm: start: summing from 20000001 to 40000001 harm: start: summing from 40000001 to 60000001 harm: start: summing from 60000001 to 80000001 harm: start: summing from 100000001 to 120000001 harm: start: summing from 120000001 to 140000001 harm: start: summing from 140000001 to 160000001 harm: start: summing from 160000001 to 180000001 harm: start: summing from 180000001 to 200000001 harm: start: summing from 80000001 to 100000001 harm: finish: sum from 1 to 20000001 = 17.3885 harm: finish: sum from 40000001 to 60000001 = 0.405465 harm: finish: sum from 60000001 to 80000001 = 0.287682 harm: finish: sum from 140000001 to 160000001 = 0.133531 harm: finish: sum from 100000001 to 120000001 = 0.182322 harm: finish: sum from 80000001 to 100000001 = 0.223144 harm: finish: sum from 120000001 to 140000001 = 0.154151 harm: finish: sum from 160000001 to 180000001 = 0.117783 harm: finish: sum from 180000001 to 200000001 = 0.105361 harm: finish: sum from 20000001 to 40000001 = 0.693147 main: harmonic sum from 1 to 200000000 = 19.691