Profiling results
-----------------
  Total cpu time observed: 2070ms (out of 2324ms)
  Number of samples taken: 6 (once every 345ms)

========================================================
                               Caller
 Idx   Total       Self      Name+src             Local%
       ms(pct)     ms(pct)     Callee
========================================================
                               ??? [3]            100.0%
 [1] 2070(100.0%)   0(0.0%)  profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0
                               run [2]            100.0%
--------------------------------------------------------
                               profile-thunk16 [1]100.0%
 [2] 2070(100.0%)   0(0.0%)  run ...et-7.0/share/pkgs/profile-lib/main.rkt:39:2
                               ??? [3]            100.0%
--------------------------------------------------------
                               run [2]             50.0%
 [3] 2070(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                               profile-thunk16 [1] 50.0%
                               run-improve47 [4]   50.0%
--------------------------------------------------------
                               ??? [3]            100.0%
 [4] 2070(100.0%)   0(0.0%)  run-improve47 ...bie/master/src/mainloop.rkt:342:0
                               prepare-points [5] 100.0%
--------------------------------------------------------
                               run-improve47 [4]  100.0%
 [5] 2070(100.0%)   0(0.0%)  prepare-points ...rbie/master/src/points.rkt:146:0
                               loop [6]           100.0%
--------------------------------------------------------
                               prepare-points [5] 100.0%
 [6] 2070(100.0%)   0(0.0%)  loop ...ghtlies/herbie/master/src/points.rkt:122:4
                               loop [7]           100.0%
--------------------------------------------------------
                               loop [6]           100.0%
 [7] 2070(100.0%)   0(0.0%)  loop ...ightlies/herbie/master/src/points.rkt:81:2
                               ??? [8]            100.0%
--------------------------------------------------------
                               loop [7]           100.0%
 [8] 2070(100.0%)   0(0.0%)  ??? ...htlies/herbie/master/src/programs.rkt:108:2
                               ??? [9]            100.0%
--------------------------------------------------------
                               ??? [8]            100.0%
 [9] 2070(100.0%) 740(35.7%) ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                               ??? [10]            64.3%
--------------------------------------------------------
                               ??? [9]            100.0%
[10] 1330(64.3%)  300(14.5%) ??? ...tract/private/arrow-higher-order.rkt:357:33
                               ival-pow [11]       51.6%
                               loop [12]           25.9%
--------------------------------------------------------
                               ??? [10]           100.0%
[11]  686(33.1%)  686(33.1%) ival-pow ...erbie/master/src/biginterval.rkt:216:0
--------------------------------------------------------
                               ??? [10]           100.0%
[12]  344(16.6%)  344(16.6%) loop ...es/herbie/master/src/biginterval.rkt:447:9
--------------------------------------------------------