# 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 0.184663E-04 2.250000000000000000000 0.167141E-02 2 4 8 2.441406250000000000000 0.259280E-05 2.441406250000000000000 0.204667E-04 3 8 8 2.565784513950347900391 0.183284E-05 2.565784513950347900391 0.164583E-04 4 16 8 2.637928497366599511764 0.143424E-05 2.637928497366599511764 0.194013E-04 5 32 8 2.676990129378183258524 0.148267E-05 2.676990129378182370346 0.172779E-04 6 64 8 2.697344952565099873709 0.151992E-05 2.697344952565098097352 0.174195E-04 7 128 8 2.707739019688019332932 0.150129E-05 2.707739019688020665200 0.195466E-04 8 256 8 2.712991624253433098346 0.179186E-05 2.712991624253425548830 0.168309E-04 9 512 8 2.715632000168989979017 0.242144E-05 2.715632000168993087641 0.173524E-04 10 1024 8 2.716955729466435709441 0.332668E-05 2.716955729466452140741 0.177212E-04 11 2048 8 2.717618482336879637273 0.550970E-05 2.717618482336857876902 0.193454E-04 12 4096 8 2.717950081189666633463 0.983477E-05 2.717950081189525413095 0.185594E-04 13 8192 8 2.718115936265787624393 0.183843E-04 2.718115936265770304914 0.201687E-04 14 16384 8 2.718198877721949013875 0.356771E-04 2.718198877722043160787 0.194944E-04 15 32768 8 2.718240351930269582681 0.701174E-04 2.718240351930317988405 0.197403E-04 16 65536 8 2.718261089904645544380 0.139147E-03 2.718261089904659311145 0.222549E-04 17 131072 8 2.718271459109236953822 0.284795E-03 2.718271459109327548021 0.279360E-04 18 262144 8 2.718276643766011080317 0.553139E-03 2.718276643765882738535 0.398234E-04 19 524288 8 2.718279236107885576956 0.110837E-02 2.718279236107420615554 0.614226E-04 20 1048576 8 2.718280532282412842449 0.223615E-02 2.718280532283735340116 0.109516E-03 21 2097152 8 2.718281180370622607256 0.442714E-02 2.718281180371046268363 0.201713E-03 22 4194304 8 2.718281504414351346100 0.126502E-01 2.718281504414869598207 0.387661E-03 23 8388608 8 2.718281666436819676846 0.185671E-01 2.718281666434260834819 0.753868E-03 24 16777216 8 2.718281747448352270169 0.362656E-01 2.718281747445238316630 0.149317E-02 25 33554432 8 2.718281787952748107529 0.725537E-01 2.718281787949904604318 0.431766E-02 26 67108864 8 2.718281808206489014168 0.146185E+00 2.718281808195593729494 0.723971E-02 27 134217728 8 2.718281818334183697061 0.293543E+00 2.718281818343891931278 0.131966E-01 28 268435456 8 2.718281823395742868854 0.600219E+00 2.718281823399000707298 0.816444E-01 29 536870912 8 2.718281825927307160384 0.119289E+01 2.718281825929373063389 0.112043E+00 30 1073741824 8 2.718281827192953414851 0.241462E+01 2.718281827192589705788 0.183277E+00 31 2147483648 8 2.718281827825886232120 0.482709E+01 2.718281827825985708103 0.461990E+00 32 4294967296 8 2.718281828142369516144 0.970569E+01 2.718281828138497502323 0.657322E+00 33 8589934592 8 2.718281828299391467141 0.192989E+02 2.718281828296132740519 0.909075E+00 34 17179869184 8 2.718281828374554898176 0.385151E+02 2.718281828298436231250 0.162626E+01 35 34359738368 8 2.718281828399105037875 0.782209E+02 2.718281828244769382508 0.369851E+01 36 68719476736 8 2.718281828355593621183 0.153551E+03 2.718281827462242450366 0.717937E+01