# 26-digit PI= 3.1415926535897932384626433 # p N=2**p bit PI (seq) time (seq) PI (par) time (par) 1 2 32 3.162353038787841796875 0.285700E-04 3.162353038787841796875 0.191279E-03 2 4 32 3.146800518035888671875 0.169500E-05 3.146800518035888671875 0.152800E-05 3 8 32 3.142894983291625976563 0.121800E-05 3.142894744873046875000 0.142700E-05 4 16 32 3.141918420791625976563 0.111700E-05 3.141918182373046875000 0.122200E-05 5 32 32 3.141674757003784179688 0.138900E-05 3.141674041748046875000 0.120100E-05 6 64 32 3.141612529754638671875 0.169600E-05 3.141613006591796875000 0.134200E-05 7 128 32 3.141597270965576171875 0.235500E-05 3.141597986221313476563 0.154700E-05 8 256 32 3.141594171524047851563 0.383200E-05 3.141593694686889648438 0.198701E-05 9 512 32 3.141592979431152343750 0.682800E-05 3.141592979431152343750 0.255700E-05 10 1024 32 3.141591548919677734375 0.126450E-04 3.141592502593994140625 0.420700E-05 11 2048 32 3.141591787338256835938 0.244820E-04 3.141592264175415039063 0.721700E-05 12 4096 32 3.141593933105468750000 0.479870E-04 3.141592502593994140625 0.132310E-04 13 8192 32 3.141591310501098632813 0.951760E-04 3.141592264175415039063 0.254600E-04 14 16384 32 3.141590595245361328125 0.189492E-03 3.141592741012573242188 0.499310E-04 15 32768 32 3.141591072082519531250 0.377924E-03 3.141592741012573242188 0.986270E-04 16 65536 32 3.141590118408203125000 0.755058E-03 3.141593456268310546875 0.196270E-03 17 131072 32 3.141554117202758789063 0.152486E-02 3.141596555709838867188 0.391877E-03 18 262144 32 3.141556262969970703125 0.298458E-02 3.141582489013671875000 0.821869E-03 19 524288 32 3.141239643096923828125 0.580238E-02 3.141627788543701171875 0.161488E-02 20 1048576 32 3.140426158905029296875 0.114143E-01 3.141475200653076171875 0.316328E-02 21 2097152 32 3.139504432678222656250 0.226847E-01 3.140708446502685546875 0.630780E-02 22 4194304 32 3.125116586685180664063 0.451467E-01 3.144063949584960937500 0.125507E-01 23 8388608 32 2.991986751556396484375 0.901675E-01 3.154937744140625000000 0.250431E-01 24 16777216 32 4.000000000000000000000 0.180237E+00 3.151985883712768554688 0.500470E-01 25 33554432 32 2.000000000000000000000 0.360249E+00 3.189925193786621093750 0.100013E+00 26 67108864 32 1.000000000000000000000 0.720345E+00 3.209477424621582031250 0.200129E+00 27 134217728 32 0.500000000000000000000 0.144064E+01 2.000000000000000000000 0.400658E+00 28 268435456 32 0.250000000000000000000 0.288095E+01 1.000000000000000000000 0.800671E+00 29 536870912 32 0.125000000000000000000 0.576158E+01 0.500000000000000000000 0.160219E+01 30 1073741824 32 0.062500000000000000000 0.115223E+02 0.250000000000000000000 0.337880E+01 31 2147483648 32 0.031250000000000000000 0.230521E+02 0.125000000000000000000 0.640695E+01 32 4294967296 32 0.015625000000000000000 0.460945E+02 0.062500000000000000000 0.128113E+02 33 8589934592 32 0.007812500000000000000 0.922051E+02 0.031250000000000000000 0.256257E+02 34 17179869184 32 0.003906250000000000000 0.184399E+03 0.015625000000000000000 0.512547E+02 35 34359738368 32 0.001953125000000000000 0.368759E+03 0.007812500000000000000 0.102531E+03