# 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 0.181273E-04 2.250000000000000000000 0.126419E-02 2 4 8 2.441406250000000000000 0.342354E-05 2.441406250000000000000 0.174902E-04 3 8 8 2.565784513950347900391 0.180304E-05 2.565784513950347900391 0.153035E-04 4 16 8 2.637928497366599511764 0.160187E-05 2.637928497366599511764 0.150837E-04 5 32 8 2.676990129378183258524 0.159442E-05 2.676990129378182370346 0.151731E-04 6 64 8 2.697344952565099873709 0.160933E-05 2.697344952565098985531 0.152029E-04 7 128 8 2.707739019688019332932 0.189617E-05 2.707739019688021109289 0.158437E-04 8 256 8 2.712991624253433098346 0.221655E-05 2.712991624253425548830 0.163540E-04 9 512 8 2.715632000168989979017 0.323728E-05 2.715632000168993531730 0.164025E-04 10 1024 8 2.716955729466435709441 0.511482E-05 2.716955729466451696652 0.167079E-04 11 2048 8 2.717618482336879637273 0.884011E-05 2.717618482336857432813 0.171885E-04 12 4096 8 2.717950081189666633463 0.163540E-04 2.717950081189525413095 0.172295E-04 13 8192 8 2.718115936265787624393 0.314973E-04 2.718115936265769416735 0.172257E-04 14 16384 8 2.718198877721949013875 0.617616E-04 2.718198877722043604877 0.226274E-04 15 32768 8 2.718240351930269582681 0.122182E-03 2.718240351930317988405 0.509210E-04 16 65536 8 2.718261089904645544380 0.202015E-03 2.718261089904658867056 0.218898E-04 17 131072 8 2.718271459109236953822 0.484321E-03 2.718271459109327103931 0.318289E-04 18 262144 8 2.718276643766011080317 0.718370E-03 2.718276643765882738535 0.485741E-04 19 524288 8 2.718279236107885576956 0.136464E-02 2.718279236107420615554 0.619888E-04 20 1048576 8 2.718280532282412842449 0.229023E-02 2.718280532283735340116 0.106934E-03 21 2097152 8 2.718281180370622607256 0.577432E-02 2.718281180371046268363 0.201218E-03 22 4194304 8 2.718281504414351346100 0.918402E-02 2.718281504414870042297 0.383366E-03 23 8388608 8 2.718281666436819676846 0.177838E-01 2.718281666434259946641 0.756659E-03 24 16777216 8 2.718281747448352270169 0.372091E-01 2.718281747445238316630 0.166507E-02 25 33554432 8 2.718281787952748107529 0.767536E-01 2.718281787949905492496 0.345219E-02 26 67108864 8 2.718281808206489014168 0.146448E+00 2.718281808195592841315 0.642672E-02 27 134217728 8 2.718281818334183697061 0.297143E+00 2.718281818343892375367 0.133098E-01 28 268435456 8 2.718281823395742868854 0.603079E+00 2.718281823398999819119 0.940502E-01 29 536870912 8 2.718281825927307160384 0.121255E+01 2.718281825929372619299 0.117457E+00 30 1073741824 8 2.718281827192953414851 0.240881E+01 2.718281827192589705788 0.164316E+00 31 2147483648 8 2.718281827825886232120 0.484573E+01 2.718281827825985708103 0.205783E+00 32 4294967296 8 2.718281828142369516144 0.963252E+01 2.718281828138497058234 0.545964E+00 33 8589934592 8 2.718281828299391467141 0.193165E+02 2.718281828296134516876 0.117013E+01 34 17179869184 8 2.718281828374554898176 0.385609E+02 2.718281828298436231250 0.165090E+01 35 34359738368 8 2.718281828399105037875 0.765622E+02 2.718281828244769382508 0.342522E+01 36 68719476736 8 2.718281828355593621183 0.153381E+03 2.718281827462240674009 0.646634E+01