# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.140040E-04 3.162353038787841796875 0.707050E-04 2 4 32 3.146800518035888671875 0.610802E-05 3.146800518035888671875 0.284403E-05 3 8 32 3.142894983291625976562 0.288000E-05 3.142894744873046875000 0.280800E-05 4 16 32 3.141918420791625976562 0.278401E-05 3.141918182373046875000 0.250799E-05 5 32 32 3.141674757003784179688 0.306001E-05 3.141674280166625976562 0.272400E-05 6 64 32 3.141612529754638671875 0.334802E-05 3.141613006591796875000 0.266399E-05 7 128 32 3.141597270965576171875 0.438001E-05 3.141597986221313476562 0.304802E-05 8 256 32 3.141594171524047851562 0.645599E-05 3.141593933105468750000 0.425999E-05 9 512 32 3.141592979431152343750 0.102000E-04 3.141592025756835937500 0.627601E-05 10 1024 32 3.141591548919677734375 0.179640E-04 3.141592264175415039062 0.991198E-05 11 2048 32 3.141591787338256835938 0.334440E-04 3.141592025756835937500 0.175920E-04 12 4096 32 3.141593933105468750000 0.747480E-04 3.141596555709838867188 0.342240E-04 13 8192 32 3.141591310501098632812 0.126600E-03 3.141592979431152343750 0.640920E-04 14 16384 32 3.141590595245361328125 0.249792E-03 3.141592025756835937500 0.125844E-03 15 32768 32 3.141591072082519531250 0.503508E-03 3.141593456268310546875 0.249888E-03 16 65536 32 3.141590118408203125000 0.999348E-03 3.141591072082519531250 0.498205E-03 17 131072 32 3.141554117202758789062 0.204950E-02 3.141589641571044921875 0.106661E-02 18 262144 32 3.141556262969970703125 0.409386E-02 3.141633033752441406250 0.221802E-02 19 524288 32 3.141239643096923828125 0.909877E-02 3.141443729400634765625 0.400141E-02 20 1048576 32 3.140426158905029296875 0.160088E-01 3.141897201538085937500 0.800944E-02 21 2097152 32 3.139504432678222656250 0.317649E-01 3.140977621078491210938 0.160405E-01 22 4194304 32 3.125116586685180664062 0.634918E-01 3.126748085021972656250 0.320056E-01 23 8388608 32 2.991986751556396484375 0.126968E+00 3.145321369171142578125 0.640935E-01 24 16777216 32 4.000000000000000000000 0.253918E+00 3.280641078948974609375 0.127961E+00 25 33554432 32 2.000000000000000000000 0.507888E+00 3.340595483779907226562 0.255859E+00 26 67108864 32 1.000000000000000000000 0.101607E+01 2.000000000000000000000 0.512154E+00 27 134217728 32 0.500000000000000000000 0.203166E+01 1.000000000000000000000 0.102342E+01 28 268435456 32 0.250000000000000000000 0.406321E+01 0.500000000000000000000 0.210103E+01 29 536870912 32 0.125000000000000000000 0.812613E+01 0.250000000000000000000 0.411007E+01 30 1073741824 32 0.062500000000000000000 0.162592E+02 0.125000000000000000000 0.822023E+01 31 2147483648 32 0.031250000000000000000 0.325169E+02 0.062500000000000000000 0.163893E+02 32 4294967296 32 0.015625000000000000000 0.650538E+02 0.031250000000000000000 0.327757E+02 33 8589934592 32 0.007812500000000000000 0.130061E+03 0.015625000000000000000 0.655883E+02 34 17179869184 32 0.003906250000000000000 0.260130E+03 0.007812500000000000000 0.131329E+03 35 34359738368 32 0.001953125000000000000 0.520354E+03 0.003906250000000000000 0.262187E+03