# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.200938E-04 3.162353038787841796875 0.221818E-02 2 4 32 3.146800518035888671875 0.311807E-05 3.146800518035888671875 0.549499E-04 3 8 32 3.142894983291625976563 0.274600E-05 3.142894983291625976563 0.419002E-04 4 16 32 3.141918420791625976563 0.238372E-05 3.141917943954467773438 0.429694E-04 5 32 32 3.141674757003784179688 0.322657E-05 3.141674041748046875000 0.618300E-04 6 64 32 3.141612529754638671875 0.374997E-05 3.141613245010375976563 0.718259E-04 7 128 32 3.141597270965576171875 0.515999E-05 3.141597986221313476563 0.662771E-04 8 256 32 3.141594171524047851563 0.725780E-05 3.141594409942626953125 0.630780E-04 9 512 32 3.141592979431152343750 0.125761E-04 3.141592741012573242188 0.621611E-04 10 1024 32 3.141591548919677734375 0.222563E-04 3.141592741012573242188 0.680368E-04 11 2048 32 3.141591787338256835938 0.428990E-04 3.141592741012573242188 0.660880E-04 12 4096 32 3.141593933105468750000 0.918731E-04 3.141592264175415039063 0.683637E-04 13 8192 32 3.141590833663940429688 0.143544E-03 3.141591787338256835938 0.457973E-04 14 16384 32 3.141590595245361328125 0.284326E-03 3.141592502593994140625 0.420650E-04 15 32768 32 3.141591072082519531250 0.589406E-03 3.141592741012573242188 0.529448E-04 16 65536 32 3.141590118408203125000 0.114390E-02 3.141592979431152343750 0.650561E-04 17 131072 32 3.141554117202758789063 0.252434E-02 3.141592502593994140625 0.100337E-03 18 262144 32 3.141556262969970703125 0.480244E-02 3.141593217849731445313 0.161339E-03 19 524288 32 3.141239643096923828125 0.107683E-01 3.141601800918579101563 0.275669E-03 20 1048576 32 3.140426158905029296875 0.193520E-01 3.141627073287963867188 0.153401E-02 21 2097152 32 3.139504432678222656250 0.385754E-01 3.141628980636596679688 0.196595E-02 22 4194304 32 3.125116586685180664063 0.771470E-01 3.141418933868408203125 0.210684E-02 23 8388608 32 2.991986751556396484375 0.152528E+00 3.140863656997680664063 0.421346E-02 24 16777216 32 4.000000000000000000000 0.304308E+00 3.142787694931030273438 0.828144E-02 25 33554432 32 2.000000000000000000000 0.607021E+00 3.147295236587524414063 0.255018E-01 26 67108864 32 1.000000000000000000000 0.121105E+01 3.145092248916625976563 0.558263E-01 27 134217728 32 0.500000000000000000000 0.242116E+01 3.151345968246459960938 0.100647E+00 28 268435456 32 0.250000000000000000000 0.483574E+01 3.170188426971435546875 0.161115E+00 29 536870912 32 0.125000000000000000000 0.967839E+01 3.163310527801513671875 0.255993E+00 30 1073741824 32 0.062500000000000000000 0.193644E+02 2.500000000000000000000 0.505054E+00 31 2147483648 32 0.031250000000000000000 0.387168E+02 1.250000000000000000000 0.100712E+01 32 4294967296 32 0.015625000000000000000 0.773070E+02 0.625000000000000000000 0.201894E+01 33 8589934592 32 0.007812500000000000000 0.154786E+03 0.312500000000000000000 0.403299E+01 34 17179869184 32 0.003906250000000000000 0.309253E+03 0.156250000000000000000 0.806395E+01 35 34359738368 32 0.001953125000000000000 0.618835E+03 0.078125000000000000000 0.236768E+02