# 26 digits of E= 2.71828 18284 59045 23536 02874 # 64-bit exp(1)= 2.7182818284590451 # p N = 2**p kind E (seq) time(seq) E (par) time(par) 1 2 8 2.250000000000000000000 0.168681E-04 2.250000000000000000000 0.174914E-03 2 4 8 2.441406250000000000000 0.392692E-05 2.441406250000000000000 0.588805E-05 3 8 8 2.565784513950347900391 0.347989E-05 2.565784513950347900391 0.623497E-05 4 16 8 2.637928497366599511764 0.311481E-05 2.637928497366599955853 0.515999E-05 5 32 8 2.676990129378183258524 0.334205E-05 2.676990129378182814435 0.484404E-05 6 64 8 2.697344952565099873709 0.307499E-05 2.697344952565097653263 0.522006E-05 7 128 8 2.707739019688019332932 0.333693E-05 2.707739019688021553378 0.514393E-05 8 256 8 2.712991624253433098346 0.358699E-05 2.712991624253428657454 0.501703E-05 9 512 8 2.715632000168989979017 0.421004E-05 2.715632000168989090838 0.522216E-05 10 1024 8 2.716955729466435709441 0.544498E-05 2.716955729466417945872 0.538700E-05 11 2048 8 2.717618482336879637273 0.811182E-05 2.717618482336886742701 0.594510E-05 12 4096 8 2.717950081189666633463 0.128259E-04 2.717950081189668853909 0.915700E-05 13 8192 8 2.718115936265787624393 0.245380E-04 2.718115936265783183501 0.137889E-04 14 16384 8 2.718198877721949013875 0.423188E-04 2.718198877721945905250 0.145461E-04 15 32768 8 2.718240351930269582681 0.814239E-04 2.718240351930282017179 0.382301E-04 16 65536 8 2.718261089904645544380 0.159843E-03 2.718261089904744576273 0.440290E-04 17 131072 8 2.718271459109236953822 0.326199E-03 2.718271459109287579992 0.923921E-04 18 262144 8 2.718276643766011080317 0.632431E-03 2.718276643765825451027 0.255747E-03 19 524288 8 2.718279236107885576956 0.127311E-02 2.718279236107881580153 0.529110E-03 20 1048576 8 2.718280532282412842449 0.257728E-02 2.718280532282640216124 0.932105E-03 21 2097152 8 2.718281180370622607256 0.520524E-02 2.718281180370666572088 0.127286E-02 22 4194304 8 2.718281504414351346100 0.102731E-01 2.718281504414417959481 0.288151E-02 23 8388608 8 2.718281666436819676846 0.206823E-01 2.718281666436208166005 0.503252E-02 24 16777216 8 2.718281747448352270169 0.414738E-01 2.718281747447959251218 0.101891E-01 25 33554432 8 2.718281787952748107529 0.838766E-01 2.718281787952061101521 0.218672E-01 26 67108864 8 2.718281808206489014168 0.165889E+00 2.718281808204162430798 0.405929E-01 27 134217728 8 2.718281818334183697061 0.333175E+00 2.718281818335327226777 0.808770E-01 28 268435456 8 2.718281823395742868854 0.668928E+00 2.718281823395678031829 0.170052E+00 29 536870912 8 2.718281825927307160384 0.128520E+01 2.718281825928359651812 0.336997E+00 30 1073741824 8 2.718281827192953414851 0.254251E+01 2.718281827193150590460 0.670127E+00 31 2147483648 8 2.718281827825886232120 0.505777E+01 2.718281827825555829747 0.134099E+01 32 4294967296 8 2.718281828142369516144 0.101007E+02 2.718281828142423250938 0.267937E+01 33 8589934592 8 2.718281828299391467141 0.201617E+02 2.718281828299010882688 0.540968E+01 34 17179869184 8 2.718281828374554898176 0.402888E+02 2.718281828365829877470 0.106934E+02 35 34359738368 8 2.718281828399105037875 0.806473E+02 2.718281828389232046561 0.214347E+02 36 68719476736 8 2.718281828355593621183 0.161215E+03 2.718281828346897466275 0.424845E+02