# 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 0.750840E-04 2 4 32 3.146800518035888671875 0.572400E-05 3.146800518035888671875 0.264001E-05 3 8 32 3.142894983291625976562 0.290401E-05 3.142894744873046875000 0.284403E-05 4 16 32 3.141918420791625976562 0.261600E-05 3.141918182373046875000 0.250799E-05 5 32 32 3.141674757003784179688 0.295200E-05 3.141674280166625976562 0.240002E-05 6 64 32 3.141612529754638671875 0.330003E-05 3.141613006591796875000 0.295200E-05 7 128 32 3.141597270965576171875 0.435600E-05 3.141597986221313476562 0.318000E-05 8 256 32 3.141594171524047851562 0.621600E-05 3.141593933105468750000 0.459602E-05 9 512 32 3.141592979431152343750 0.102000E-04 3.141592025756835937500 0.593998E-05 10 1024 32 3.141591548919677734375 0.177720E-04 3.141592264175415039062 0.986402E-05 11 2048 32 3.141591787338256835938 0.332880E-04 3.141592025756835937500 0.175200E-04 12 4096 32 3.141593933105468750000 0.640920E-04 3.141596555709838867188 0.331920E-04 13 8192 32 3.141591310501098632812 0.140460E-03 3.141592979431152343750 0.681480E-04 14 16384 32 3.141590595245361328125 0.249709E-03 3.141592025756835937500 0.126000E-03 15 32768 32 3.141591072082519531250 0.497076E-03 3.141593456268310546875 0.285072E-03 16 65536 32 3.141590118408203125000 0.997848E-03 3.141591072082519531250 0.497928E-03 17 131072 32 3.141554117202758789062 0.201054E-02 3.141589641571044921875 0.100414E-02 18 262144 32 3.141556262969970703125 0.418121E-02 3.141633033752441406250 0.199871E-02 19 524288 32 3.141239643096923828125 0.793974E-02 3.141443729400634765625 0.399439E-02 20 1048576 32 3.140426158905029296875 0.159579E-01 3.141897201538085937500 0.803529E-02 21 2097152 32 3.139504432678222656250 0.318017E-01 3.140977621078491210938 0.160620E-01 22 4194304 32 3.125116586685180664062 0.634903E-01 3.126748085021972656250 0.320272E-01 23 8388608 32 2.991986751556396484375 0.126965E+00 3.145321369171142578125 0.640572E-01 24 16777216 32 4.000000000000000000000 0.253940E+00 3.280641078948974609375 0.127857E+00 25 33554432 32 2.000000000000000000000 0.507882E+00 3.340595483779907226562 0.258215E+00 26 67108864 32 1.000000000000000000000 0.101601E+01 2.000000000000000000000 0.537193E+00 27 134217728 32 0.500000000000000000000 0.203250E+01 1.000000000000000000000 0.102318E+01 28 268435456 32 0.250000000000000000000 0.406279E+01 0.500000000000000000000 0.204416E+01 29 536870912 32 0.125000000000000000000 0.812840E+01 0.250000000000000000000 0.409716E+01 30 1073741824 32 0.062500000000000000000 0.162618E+02 0.125000000000000000000 0.828021E+01 31 2147483648 32 0.031250000000000000000 0.325216E+02 0.062500000000000000000 0.163820E+02 32 4294967296 32 0.015625000000000000000 0.650261E+02 0.031250000000000000000 0.327865E+02 33 8589934592 32 0.007812500000000000000 0.130069E+03 0.015625000000000000000 0.655929E+02 34 17179869184 32 0.003906250000000000000 0.260147E+03 0.007812500000000000000 0.131563E+03 35 34359738368 32 0.001953125000000000000 0.520316E+03 0.003906250000000000000 0.262661E+03