helena.opt : 01.14 to 01.18 (optimized, 2nd run) ages => 904871 beta-steps
helena.byte: 08.73 to 08.77 (optimized, 2nd run) ages

helena.opt : 00.44 to 00.52 (optimized, 1st run) ages (just validation)
helena.opt : 00.50 to 00.53 (optimized, 2st run) ages (just validation)
helena.byte: 05.33 to 05.40 (optimized, 1st run) ages (just validation)
helena.byte: 05.54 to 05.58 (optimized, 2nd run) ages (just validation)

helena.opt : 01.50 to 01.54 (optimized, 2nd run) no ages => 1423268 beta-steps

coqtop.opt : 24.26 to 24.43 no ages
coqtop.byte: 94.18 to 95.78 no ages

coqtop.opt : 14.91 to 15.79 no ages (just validation)
coqtop.byte: 51.63 to 53.76 no ages (just validation)

coqtop.opt : 29.55 to 31.33 no ages, typed definitions

coqtop.opt : 27.73 to 28.07 ages

coqtop.opt : 28.64 to 28.83 reversed ages

elpi       : 00.20 to 00.22 exex, 255 lines
elpi       : 00.27 to 00.31 user, 255 lines

teyjus     : 02.13 to 02.26 exec, 255 lines
teyjus     : 03.24 to 03.31 link, 255 lines

elpi       : 21.15 to 21.45 exec, full
elpi       : 27.52 to 27.82 user, full