# 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 0.120120E-04 2.250000000000000000000 0.155872E-03 2 4 8 2.441406250000000000000 0.307302E-05 2.441406250000000000000 0.866002E-05 3 8 8 2.565784513950347900391 0.335206E-05 2.565784513950347900391 0.474893E-05 4 16 8 2.637928497366599511764 0.279397E-05 2.637928497366599955853 0.502798E-05 5 32 8 2.676990129378183258524 0.307302E-05 2.676990129378182814435 0.446895E-05 6 64 8 2.697344952565099873709 0.279397E-05 2.697344952565097653263 0.474800E-05 7 128 8 2.707739019688019332932 0.307302E-05 2.707739019688021553378 0.530796E-05 8 256 8 2.712991624253433098346 0.335206E-05 2.712991624253428657454 0.530807E-05 9 512 8 2.715632000168989979017 0.391097E-05 2.715632000168989090838 0.502798E-05 10 1024 8 2.716955729466435709441 0.502903E-05 2.716955729466417945872 0.474800E-05 11 2048 8 2.717618482336879637273 0.698410E-05 2.717618482336886742701 0.530703E-05 12 4096 8 2.717950081189666633463 0.108940E-04 2.717950081189668853909 0.670401E-05 13 8192 8 2.718115936265787624393 0.189949E-04 2.718115936265783183501 0.838097E-05 14 16384 8 2.718198877721949013875 0.491641E-04 2.718198877721945905250 0.125701E-04 15 32768 8 2.718240351930269582681 0.684380E-04 2.718240351930282017179 0.287719E-04 16 65536 8 2.718261089904645544380 0.133804E-03 2.718261089904744576273 0.374319E-04 17 131072 8 2.718271459109236953822 0.265095E-03 2.718271459109287579992 0.698350E-04 18 262144 8 2.718276643766011080317 0.541923E-03 2.718276643765825451027 0.144699E-03 19 524288 8 2.718279236107885576956 0.106290E-02 2.718279236107881580153 0.266771E-03 20 1048576 8 2.718280532282412842449 0.212886E-02 2.718280532282640216124 0.540247E-03 21 2097152 8 2.718281180370622607256 0.424209E-02 2.718281180370666572088 0.191014E-02 22 4194304 8 2.718281504414351346100 0.848165E-02 2.718281504414417959481 0.212663E-02 23 8388608 8 2.718281666436819676846 0.169555E-01 2.718281666436208166005 0.424152E-02 24 16777216 8 2.718281747448352270169 0.339191E-01 2.718281747447959251218 0.848389E-02 25 33554432 8 2.718281787952748107529 0.678957E-01 2.718281787952061101521 0.169583E-01 26 67108864 8 2.718281808206489014168 0.136854E+00 2.718281808204162430798 0.349278E-01 27 134217728 8 2.718281818334183697061 0.271454E+00 2.718281818335327226777 0.115824E+00 28 268435456 8 2.718281823395742868854 0.542459E+00 2.718281823395678031829 0.207741E+00 29 536870912 8 2.718281825927307160384 0.108878E+01 2.718281825928359651812 0.298465E+00 30 1073741824 8 2.718281827192953414851 0.217965E+01 2.718281827193150590460 0.544608E+00 31 2147483648 8 2.718281827825886232120 0.435475E+01 2.718281827825555829747 0.108895E+01 32 4294967296 8 2.718281828142369516144 0.871306E+01 2.718281828142423250938 0.219349E+01 33 8589934592 8 2.718281828299391467141 0.174259E+02 2.718281828299010882688 0.441471E+01 34 17179869184 8 2.718281828374554898176 0.348523E+02 2.718281828365829877470 0.871653E+01 35 34359738368 8 2.718281828399105037875 0.697593E+02 2.718281828389232046561 0.174318E+02 36 68719476736 8 2.718281828355593621183 0.139399E+03 2.718281828346897466275 0.349980E+02