# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.144480E-04 3.162353038787841796875 0.715800E-04 2 4 32 3.146800518035888671875 0.568799E-05 3.146800518035888671875 0.297601E-05 3 8 32 3.142894983291625976562 0.308402E-05 3.142894744873046875000 0.290398E-05 4 16 32 3.141918420791625976562 0.262799E-05 3.141918182373046875000 0.256801E-05 5 32 32 3.141674757003784179688 0.308399E-05 3.141674280166625976562 0.276000E-05 6 64 32 3.141612529754638671875 0.332401E-05 3.141613006591796875000 0.292799E-05 7 128 32 3.141597270965576171875 0.441601E-05 3.141597986221313476562 0.343201E-05 8 256 32 3.141594171524047851562 0.623998E-05 3.141593933105468750000 0.446400E-05 9 512 32 3.141592979431152343750 0.102840E-04 3.141592025756835937500 0.648000E-05 10 1024 32 3.141591548919677734375 0.179040E-04 3.141592264175415039062 0.102240E-04 11 2048 32 3.141591787338256835938 0.334800E-04 3.141592025756835937500 0.180360E-04 12 4096 32 3.141593933105468750000 0.642120E-04 3.141596555709838867188 0.337800E-04 13 8192 32 3.141591310501098632812 0.126288E-03 3.141592979431152343750 0.777840E-04 14 16384 32 3.141590595245361328125 0.249888E-03 3.141592025756835937500 0.127140E-03 15 32768 32 3.141591072082519531250 0.497328E-03 3.141593456268310546875 0.288468E-03 16 65536 32 3.141590118408203125000 0.997993E-03 3.141591072082519531250 0.497736E-03 17 131072 32 3.141554117202758789062 0.200699E-02 3.141589641571044921875 0.100182E-02 18 262144 32 3.141556262969970703125 0.413964E-02 3.141633033752441406250 0.199974E-02 19 524288 32 3.141239643096923828125 0.800881E-02 3.141443729400634765625 0.399303E-02 20 1048576 32 3.140426158905029296875 0.159504E-01 3.141897201538085937500 0.800460E-02 21 2097152 32 3.139504432678222656250 0.318015E-01 3.140977621078491210938 0.160899E-01 22 4194304 32 3.125116586685180664062 0.634854E-01 3.126748085021972656250 0.320483E-01 23 8388608 32 2.991986751556396484375 0.126963E+00 3.145321369171142578125 0.640426E-01 24 16777216 32 4.000000000000000000000 0.254296E+00 3.280641078948974609375 0.128027E+00 25 33554432 32 2.000000000000000000000 0.507857E+00 3.340595483779907226562 0.255882E+00 26 67108864 32 1.000000000000000000000 0.101631E+01 2.000000000000000000000 0.514881E+00 27 134217728 32 0.500000000000000000000 0.203147E+01 1.000000000000000000000 0.106042E+01 28 268435456 32 0.250000000000000000000 0.406296E+01 0.500000000000000000000 0.206854E+01 29 536870912 32 0.125000000000000000000 0.812666E+01 0.250000000000000000000 0.409738E+01 30 1073741824 32 0.062500000000000000000 0.162599E+02 0.125000000000000000000 0.871107E+01 31 2147483648 32 0.031250000000000000000 0.325259E+02 0.062500000000000000000 0.164417E+02 32 4294967296 32 0.015625000000000000000 0.650442E+02 0.031250000000000000000 0.327782E+02 33 8589934592 32 0.007812500000000000000 0.130051E+03 0.015625000000000000000 0.657339E+02 34 17179869184 32 0.003906250000000000000 0.260151E+03 0.007812500000000000000 0.131510E+03 35 34359738368 32 0.001953125000000000000 0.520273E+03 0.003906250000000000000 0.266011E+03