# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.142440E-04 3.162353038787841796875 0.680640E-04 2 4 32 3.146800518035888671875 0.578398E-05 3.146800518035888671875 0.285602E-05 3 8 32 3.142894983291625976562 0.290398E-05 3.142894744873046875000 0.263998E-05 4 16 32 3.141918420791625976562 0.268800E-05 3.141918182373046875000 0.237601E-05 5 32 32 3.141674757003784179688 0.305998E-05 3.141674280166625976562 0.273599E-05 6 64 32 3.141612529754638671875 0.333600E-05 3.141613006591796875000 0.261600E-05 7 128 32 3.141597270965576171875 0.436802E-05 3.141597986221313476562 0.303600E-05 8 256 32 3.141594171524047851562 0.628800E-05 3.141593933105468750000 0.412800E-05 9 512 32 3.141592979431152343750 0.101640E-04 3.141592025756835937500 0.591599E-05 10 1024 32 3.141591548919677734375 0.178320E-04 3.141592264175415039062 0.992400E-05 11 2048 32 3.141591787338256835938 0.333600E-04 3.141592025756835937500 0.174960E-04 12 4096 32 3.141593933105468750000 0.641880E-04 3.141596555709838867188 0.330240E-04 13 8192 32 3.141591310501098632812 0.135792E-03 3.141592979431152343750 0.687600E-04 14 16384 32 3.141590595245361328125 0.249804E-03 3.141592025756835937500 0.126024E-03 15 32768 32 3.141591072082519531250 0.497136E-03 3.141593456268310546875 0.256033E-03 16 65536 32 3.141590118408203125000 0.102608E-02 3.141591072082519531250 0.498456E-03 17 131072 32 3.141554117202758789062 0.201591E-02 3.141589641571044921875 0.112408E-02 18 262144 32 3.141556262969970703125 0.399121E-02 3.141633033752441406250 0.206734E-02 19 524288 32 3.141239643096923828125 0.794103E-02 3.141443729400634765625 0.405430E-02 20 1048576 32 3.140426158905029296875 0.159371E-01 3.141897201538085937500 0.796497E-02 21 2097152 32 3.139504432678222656250 0.317762E-01 3.140977621078491210938 0.159828E-01 22 4194304 32 3.125116586685180664062 0.634931E-01 3.126748085021972656250 0.320812E-01 23 8388608 32 2.991986751556396484375 0.126984E+00 3.145321369171142578125 0.639791E-01 24 16777216 32 4.000000000000000000000 0.253963E+00 3.280641078948974609375 0.127974E+00 25 33554432 32 2.000000000000000000000 0.507864E+00 3.340595483779907226562 0.255803E+00 26 67108864 32 1.000000000000000000000 0.101600E+01 2.000000000000000000000 0.511550E+00 27 134217728 32 0.500000000000000000000 0.203172E+01 1.000000000000000000000 0.102313E+01 28 268435456 32 0.250000000000000000000 0.406354E+01 0.500000000000000000000 0.208120E+01 29 536870912 32 0.125000000000000000000 0.812704E+01 0.250000000000000000000 0.409268E+01 30 1073741824 32 0.062500000000000000000 0.162550E+02 0.125000000000000000000 0.822145E+01 31 2147483648 32 0.031250000000000000000 0.325117E+02 0.062500000000000000000 0.164196E+02 32 4294967296 32 0.015625000000000000000 0.650818E+02 0.031250000000000000000 0.328009E+02 33 8589934592 32 0.007812500000000000000 0.130062E+03 0.015625000000000000000 0.656300E+02 34 17179869184 32 0.003906250000000000000 0.260149E+03 0.007812500000000000000 0.131540E+03 35 34359738368 32 0.001953125000000000000 0.520226E+03 0.003906250000000000000 0.263667E+03