Docstoc

PI Benchmarking Results

Document Sample
PI Benchmarking  Results Powered By Docstoc
					Calculate Pi Test 1, Cray SV1 sn3313% TestPi C version (1000000000 iterations): Time(0)=1056214960 sec 190754 microsec Time = 1056215010 sec 166561 microsec Pi = 3.14159265160220000000000000000000 for 1000000000 iterations. Real PI = 3.14159265358979000000000000000000 Percent error = 0.00000006326685866214570000000000 Time: 50 sec and 975807 microsec MPI c version, 16 processes, 1000000000 iterations: Start Time process 0 =1056215013 sec 969708 microsec Process 15, loop values 937500001 to 1000000000 Process 15, mytotal=0.000000000033333 Process 4, loop values 250000001 to 312500000 Process 4, mytotal=0.000000000400000 Process 12, loop values 750000001 to 812500000 Process 12, mytotal=0.000000000051282 Process 8, loop values 500000001 to 562500000 Process 8, mytotal=0.000000000111111 Process 13, loop values 812500001 to 875000000 Process 13, mytotal=0.000000000043956 Process 11, loop values 687500001 to 750000000 Process 11, mytotal=0.000000000060606 Process 7, loop values 437500001 to 500000000 Process 7, mytotal=0.000000000142857 Process 6, loop values 375000001 to 437500000 Process 6, mytotal=0.000000000190476 Process 1, loop values 62500001 to 125000000 Process 1, mytotal=0.000000004000000 Process 14, loop values 875000001 to 937500000 Process 14, mytotal=0.000000000038095 Process 3, loop values 187500001 to 250000000 Process 3, mytotal=0.000000000666667 Process 5, loop values 312500001 to 375000000 Process 5, mytotal=0.000000000266667 Process 10, loop values 625000001 to 687500000 Process 10, mytotal=0.000000000072727 Process 9, loop values 562500001 to 625000000 Process 9, mytotal=0.000000000088889 Process 2, loop values 125000001 to 187500000 Process 2, mytotal=0.000000001333333 Process 0, loop values 1 to 62500000 Process 0, mytotal=0.785398155396372, pi= 3.141593 End Time for process 0 = 1056215018 sec 402543 microsec Process 0: Pi = 3.14159265158544000000000000000000 for 1000000000 iterations. Process 0: Real PI = 3.14159265358979000000000000000000 Process 0: Percent error = 0.00000006380062641668810000000000 Time for process 0: 5 sec and 432835 microsec

Test 2 "Transformer" workstation: (non MPI version) rlatimer@deadend:~/Supercomputers$ ./TestPi C version, 1000000000 iterations: Time(0)=1056215439 sec 112628 microsec Time = 1056215495 sec 234480 microsec Pi = 3.14159265158940570472623221576214 for 1000000000 iterations. Real PI = 3.14159265358979311599796346854419 Percent error = 0.00000006367430892053924448294281 Time: 56 sec and 1121852 microsec Test 3: "Element" workstation: (non MPI version) rlatimer@hydrogen:~/Supercomputers$ ./TestPi C version, 1000000000 iterations: Time(0)=1056215655 sec 912804 microsec Time = 1056215664 sec 783397 microsec Pi = 3.14159265158940570472623221576214 for 1000000000 iterations. Real PI = 3.14159265358979311599796346854419 Percent error = 0.00000006367430892053924448294281 Time: 9 sec and 870593 microsec


				
DOCUMENT INFO