# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.153296E-04 3.162353038787841796875 0.108588E-02 2 4 32 3.146800518035888671875 0.273064E-05 3.146800518035888671875 0.179149E-04 3 8 32 3.142894983291625976563 0.163540E-05 3.142894983291625976563 0.157207E-04 4 16 32 3.141918420791625976563 0.159442E-05 3.141918659210205078125 0.161603E-04 5 32 32 3.141674757003784179688 0.171363E-05 3.141674280166625976563 0.162907E-04 6 64 32 3.141612529754638671875 0.213832E-05 3.141612768173217773438 0.163354E-04 7 128 32 3.141597270965576171875 0.295788E-05 3.141597509384155273438 0.158139E-04 8 256 32 3.141594171524047851563 0.453740E-05 3.141593694686889648438 0.171885E-04 9 512 32 3.141592979431152343750 0.786409E-05 3.141593217849731445313 0.173338E-04 10 1024 32 3.141591548919677734375 0.144728E-04 3.141592979431152343750 0.178628E-04 11 2048 32 3.141591787338256835938 0.276826E-04 3.141592979431152343750 0.182465E-04 12 4096 32 3.141593933105468750000 0.541620E-04 3.141592264175415039063 0.178069E-04 13 8192 32 3.141591310501098632813 0.112869E-03 3.141592741012573242188 0.192821E-04 14 16384 32 3.141590595245361328125 0.212535E-03 3.141593217849731445313 0.250787E-04 15 32768 32 3.141591072082519531250 0.423778E-03 3.141592502593994140625 0.330471E-04 16 65536 32 3.141590118408203125000 0.849821E-03 3.141592264175415039063 0.497401E-04 17 131072 32 3.141554117202758789063 0.170214E-02 3.141594648361206054688 0.855587E-04 18 262144 32 3.141556262969970703125 0.340411E-02 3.141590356826782226563 0.156246E-03 19 524288 32 3.141239643096923828125 0.677573E-02 3.141571283340454101563 0.298467E-03 20 1048576 32 3.140426158905029296875 0.145569E-01 3.141662836074829101563 0.582904E-03 21 2097152 32 3.139504432678222656250 0.271102E-01 3.141595840454101562500 0.114435E-02 22 4194304 32 3.125116586685180664063 0.542210E-01 3.141397953033447265625 0.227475E-02 23 8388608 32 2.991986751556396484375 0.108601E+00 3.143487930297851562500 0.462874E-02 24 16777216 32 4.000000000000000000000 0.218422E+00 3.142450571060180664063 0.913428E-02 25 33554432 32 2.000000000000000000000 0.435742E+00 3.144632816314697265625 0.103296E+00 26 67108864 32 1.000000000000000000000 0.871468E+00 3.151786565780639648438 0.696368E-01 27 134217728 32 0.500000000000000000000 0.174399E+01 3.158061027526855468750 0.168558E+00 28 268435456 32 0.250000000000000000000 0.348819E+01 3.176690340042114257813 0.239157E+00 29 536870912 32 0.125000000000000000000 0.697344E+01 2.904921770095825195313 0.497673E+00 30 1073741824 32 0.062500000000000000000 0.139489E+02 1.500000000000000000000 0.820005E+00 31 2147483648 32 0.031250000000000000000 0.278979E+02 0.750000000000000000000 0.123181E+01 32 4294967296 32 0.015625000000000000000 0.557799E+02 0.375000000000000000000 0.238223E+01 33 8589934592 32 0.007812500000000000000 0.111591E+03 0.187500000000000000000 0.464085E+01 34 17179869184 32 0.003906250000000000000 0.223132E+03 0.093750000000000000000 0.951413E+01 35 34359738368 32 0.001953125000000000000 0.446341E+03 0.046875000000000000000 0.185875E+02