$ for i in {0..80} ; do taskset 0x30 ./testvect_simd.2 | grep elapsed ; done
elapsed time: 3.027723 s, 3.077631 s (3.052677 s)
elapsed time: 2.971170 s, 2.951311 s (2.961241 s)
elapsed time: 2.935577 s, 2.941562 s (2.938570 s)
elapsed time: 2.987772 s, 2.921562 s (2.954667 s)
elapsed time: 3.004106 s, 3.011462 s (3.007784 s)
elapsed time: 3.038350 s, 2.890366 s (2.964358 s)
elapsed time: 3.147810 s, 3.251537 s (3.199673 s)
elapsed time: 3.148843 s, 3.091155 s (3.119999 s)
elapsed time: 2.997891 s, 2.925524 s (2.961708 s)
elapsed time: 3.005087 s, 3.011021 s (3.008054 s)
elapsed time: 2.983119 s, 2.994588 s (2.988854 s)
elapsed time: 2.999451 s, 2.918312 s (2.958881 s)
elapsed time: 2.980387 s, 2.982510 s (2.981448 s)
elapsed time: 3.033352 s, 3.010478 s (3.021915 s)
elapsed time: 3.064544 s, 3.128068 s (3.096306 s)
elapsed time: 3.008556 s, 3.023180 s (3.015868 s)
elapsed time: 2.955200 s, 3.020577 s (2.987888 s)
elapsed time: 2.909179 s, 2.988160 s (2.948669 s)
elapsed time: 2.955305 s, 2.951907 s (2.953606 s)
elapsed time: 3.106814 s, 2.946657 s (3.026736 s)
elapsed time: 3.023875 s, 2.914562 s (2.969219 s)
elapsed time: 3.100647 s, 2.909020 s (3.004833 s)
elapsed time: 3.015385 s, 3.011845 s (3.013615 s)
elapsed time: 3.048640 s, 2.965031 s (3.006836 s)
elapsed time: 2.941303 s, 3.028898 s (2.985100 s)
elapsed time: 2.962206 s, 2.968258 s (2.965232 s)
elapsed time: 2.974606 s, 2.978251 s (2.976429 s)
elapsed time: 2.971289 s, 2.980274 s (2.975781 s)
elapsed time: 2.980579 s, 3.045219 s (3.012899 s)
elapsed time: 2.949048 s, 3.018476 s (2.983762 s)
elapsed time: 2.924058 s, 3.047437 s (2.985747 s)
elapsed time: 3.024687 s, 3.095818 s (3.060253 s)
elapsed time: 3.147581 s, 3.015721 s (3.081651 s)
elapsed time: 3.005565 s, 3.005137 s (3.005351 s)
elapsed time: 2.953493 s, 3.014791 s (2.984142 s)
elapsed time: 2.937576 s, 3.017503 s (2.977539 s)
elapsed time: 2.988527 s, 3.015252 s (3.001890 s)
elapsed time: 2.967371 s, 3.027009 s (2.997190 s)
elapsed time: 2.991602 s, 2.944892 s (2.968247 s)
elapsed time: 3.025078 s, 3.003885 s (3.014481 s)
elapsed time: 2.978533 s, 3.029018 s (3.003775 s)
elapsed time: 3.028574 s, 2.928941 s (2.978757 s)
elapsed time: 3.015265 s, 2.955885 s (2.985575 s)
elapsed time: 2.946019 s, 2.956549 s (2.951284 s)
elapsed time: 2.951086 s, 2.976973 s (2.964029 s)
elapsed time: 2.940666 s, 2.949552 s (2.945109 s)
elapsed time: 3.006857 s, 2.959127 s (2.982992 s)
elapsed time: 2.971413 s, 2.960351 s (2.965882 s)
elapsed time: 2.951973 s, 3.016201 s (2.984087 s)
elapsed time: 3.046509 s, 3.115467 s (3.080988 s)
elapsed time: 3.091355 s, 3.035900 s (3.063627 s)
elapsed time: 2.941460 s, 3.016178 s (2.978819 s)
elapsed time: 3.002737 s, 2.987347 s (2.995042 s)
elapsed time: 2.997325 s, 2.928629 s (2.962977 s)
elapsed time: 2.948569 s, 2.991385 s (2.969977 s)
elapsed time: 3.066002 s, 2.946117 s (3.006059 s)
elapsed time: 2.964971 s, 2.992728 s (2.978849 s)
elapsed time: 2.982140 s, 3.002875 s (2.992508 s)
elapsed time: 2.975338 s, 2.975373 s (2.975355 s)
elapsed time: 2.972775 s, 2.950887 s (2.961831 s)
elapsed time: 2.961872 s, 2.957623 s (2.959747 s)
elapsed time: 2.987696 s, 2.918291 s (2.952993 s)
elapsed time: 2.968189 s, 2.974973 s (2.971581 s)
elapsed time: 2.964564 s, 2.950970 s (2.957767 s)
elapsed time: 3.006545 s, 3.010678 s (3.008611 s)
elapsed time: 2.941434 s, 2.959974 s (2.950704 s)
elapsed time: 2.989783 s, 2.953394 s (2.971588 s)
elapsed time: 3.089849 s, 3.047548 s (3.068698 s)
elapsed time: 2.982700 s, 3.107824 s (3.045262 s)
elapsed time: 3.053588 s, 2.970482 s (3.012035 s)
elapsed time: 2.995073 s, 2.993877 s (2.994475 s)
elapsed time: 3.012076 s, 2.959751 s (2.985913 s)
elapsed time: 2.969120 s, 2.923768 s (2.946444 s)
elapsed time: 3.019191 s, 2.932502 s (2.975847 s)
elapsed time: 2.938762 s, 2.949170 s (2.943966 s)
elapsed time: 2.934362 s, 2.939663 s (2.937013 s)
elapsed time: 3.010451 s, 2.935164 s (2.972807 s)
elapsed time: 2.912818 s, 3.002234 s (2.957526 s)
elapsed time: 2.976806 s, 2.979014 s (2.977910 s)
elapsed time: 2.966742 s, 2.929650 s (2.948196 s)
elapsed time: 2.983144 s, 2.943866 s (2.963505 s)