# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.285700E-04 3.162353038787841796875 0.204684E-03 2 4 32 3.146800518035888671875 0.170100E-05 3.146800518035888671875 0.154600E-05 3 8 32 3.142894983291625976563 0.118000E-05 3.142894744873046875000 0.121400E-05 4 16 32 3.141918420791625976563 0.111100E-05 3.141918182373046875000 0.141300E-05 5 32 32 3.141674757003784179688 0.132400E-05 3.141674041748046875000 0.124300E-05 6 64 32 3.141612529754638671875 0.161900E-05 3.141613006591796875000 0.133700E-05 7 128 32 3.141597270965576171875 0.245800E-05 3.141597747802734375000 0.145300E-05 8 256 32 3.141594171524047851563 0.381200E-05 3.141593694686889648438 0.194000E-05 9 512 32 3.141592979431152343750 0.677400E-05 3.141592979431152343750 0.267000E-05 10 1024 32 3.141591548919677734375 0.126000E-04 3.141592502593994140625 0.420000E-05 11 2048 32 3.141591787338256835938 0.244100E-04 3.141592264175415039063 0.711900E-05 12 4096 32 3.141593933105468750000 0.479500E-04 3.141592502593994140625 0.132500E-04 13 8192 32 3.141591310501098632813 0.951710E-04 3.141592264175415039063 0.253610E-04 14 16384 32 3.141590595245361328125 0.189454E-03 3.141592741012573242188 0.499750E-04 15 32768 32 3.141591072082519531250 0.377993E-03 3.141592502593994140625 0.984270E-04 16 65536 32 3.141590118408203125000 0.755161E-03 3.141593456268310546875 0.196271E-03 17 131072 32 3.141554117202758789063 0.151485E-02 3.141596555709838867188 0.391190E-03 18 262144 32 3.141556262969970703125 0.387171E-02 3.141582489013671875000 0.822791E-03 19 524288 32 3.141239643096923828125 0.579570E-02 3.141627788543701171875 0.161670E-02 20 1048576 32 3.140426158905029296875 0.114342E-01 3.141475200653076171875 0.316323E-02 21 2097152 32 3.139504432678222656250 0.226581E-01 3.140707969665527343750 0.630123E-02 22 4194304 32 3.125116586685180664063 0.451738E-01 3.144063949584960937500 0.125413E-01 23 8388608 32 2.991986751556396484375 0.901472E-01 3.154937744140625000000 0.250472E-01 24 16777216 32 4.000000000000000000000 0.180211E+00 3.151985883712768554688 0.500343E-01 25 33554432 32 2.000000000000000000000 0.360570E+00 3.189925193786621093750 0.100016E+00 26 67108864 32 1.000000000000000000000 0.720478E+00 3.209477424621582031250 0.200168E+00 27 134217728 32 0.500000000000000000000 0.144055E+01 2.000000000000000000000 0.400823E+00 28 268435456 32 0.250000000000000000000 0.288337E+01 1.000000000000000000000 0.800670E+00 29 536870912 32 0.125000000000000000000 0.576660E+01 0.500000000000000000000 0.160704E+01 30 1073741824 32 0.062500000000000000000 0.115253E+02 0.250000000000000000000 0.320362E+01 31 2147483648 32 0.031250000000000000000 0.230452E+02 0.125000000000000000000 0.640649E+01 32 4294967296 32 0.015625000000000000000 0.461111E+02 0.062500000000000000000 0.128130E+02 33 8589934592 32 0.007812500000000000000 0.921919E+02 0.031250000000000000000 0.256272E+02 34 17179869184 32 0.003906250000000000000 0.184373E+03 0.015625000000000000000 0.513769E+02 35 34359738368 32 0.001953125000000000000 0.368754E+03 0.007812500000000000000 0.102627E+03