# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.143880E-04 3.162353038787841796875 0.720360E-04 2 4 32 3.146800518035888671875 0.592801E-05 3.146800518035888671875 0.327599E-05 3 8 32 3.142894983291625976562 0.290401E-05 3.142894744873046875000 0.261600E-05 4 16 32 3.141918420791625976562 0.274801E-05 3.141918182373046875000 0.248398E-05 5 32 32 3.141674757003784179688 0.296402E-05 3.141674280166625976562 0.230400E-05 6 64 32 3.141612529754638671875 0.328801E-05 3.141613006591796875000 0.261600E-05 7 128 32 3.141597270965576171875 0.435600E-05 3.141597986221313476562 0.309598E-05 8 256 32 3.141594171524047851562 0.614402E-05 3.141593933105468750000 0.433199E-05 9 512 32 3.141592979431152343750 0.101880E-04 3.141592025756835937500 0.608401E-05 10 1024 32 3.141591548919677734375 0.178080E-04 3.141592264175415039062 0.999600E-05 11 2048 32 3.141591787338256835938 0.333600E-04 3.141592025756835937500 0.365160E-04 12 4096 32 3.141593933105468750000 0.643320E-04 3.141596555709838867188 0.334080E-04 13 8192 32 3.141591310501098632812 0.126168E-03 3.141592979431152343750 0.639840E-04 14 16384 32 3.141590595245361328125 0.249768E-03 3.141592025756835937500 0.125892E-03 15 32768 32 3.141591072082519531250 0.504024E-03 3.141593456268310546875 0.249949E-03 16 65536 32 3.141590118408203125000 0.998796E-03 3.141591072082519531250 0.533100E-03 17 131072 32 3.141554117202758789062 0.199670E-02 3.141589641571044921875 0.100334E-02 18 262144 32 3.141556262969970703125 0.400688E-02 3.141633033752441406250 0.199915E-02 19 524288 32 3.141239643096923828125 0.806981E-02 3.141443729400634765625 0.398275E-02 20 1048576 32 3.140426158905029296875 0.159960E-01 3.141897201538085937500 0.802479E-02 21 2097152 32 3.139504432678222656250 0.317586E-01 3.140977621078491210938 0.160405E-01 22 4194304 32 3.125116586685180664062 0.635051E-01 3.126748085021972656250 0.320164E-01 23 8388608 32 2.991986751556396484375 0.127091E+00 3.145321369171142578125 0.640247E-01 24 16777216 32 4.000000000000000000000 0.254022E+00 3.280641078948974609375 0.128078E+00 25 33554432 32 2.000000000000000000000 0.507996E+00 3.340595483779907226562 0.255698E+00 26 67108864 32 1.000000000000000000000 0.102507E+01 2.000000000000000000000 0.511496E+00 27 134217728 32 0.500000000000000000000 0.203397E+01 1.000000000000000000000 0.102412E+01 28 268435456 32 0.250000000000000000000 0.406351E+01 0.500000000000000000000 0.204673E+01 29 536870912 32 0.125000000000000000000 0.812926E+01 0.250000000000000000000 0.409228E+01 30 1073741824 32 0.062500000000000000000 0.162572E+02 0.125000000000000000000 0.818888E+01 31 2147483648 32 0.031250000000000000000 0.325469E+02 0.062500000000000000000 0.163985E+02 32 4294967296 32 0.015625000000000000000 0.650974E+02 0.031250000000000000000 0.328679E+02 33 8589934592 32 0.007812500000000000000 0.130066E+03 0.015625000000000000000 0.655811E+02 34 17179869184 32 0.003906250000000000000 0.260140E+03 0.007812500000000000000 0.131680E+03 35 34359738368 32 0.001953125000000000000 0.520202E+03 0.003906250000000000000 0.262387E+03