Profiling results
-----------------
  Total cpu time observed: 870ms (out of 1172ms)
  Number of samples taken: 3 (once every 290ms)

================================================================
                              Caller
 Idx  Total       Self      Name+src                      Local%
      ms(pct)     ms(pct)     Callee
================================================================
                              ??? [3]                     100.0%
 [1] 870(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] 870(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] 870(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [1]          50.0%
                              run-improve40 [4]            50.0%
----------------------------------------------------------------
                              ??? [3]                     100.0%
 [4] 870(100.0%)   0(0.0%)  run-improve40 ...ie/develop/src/mainloop.rkt:340:0
                              prepare-points-intervals [5]100.0%
----------------------------------------------------------------
                              run-improve40 [4]           100.0%
 [5] 870(100.0%)   0(0.0%)  prepare-points-intervals ...p/src/points.rkt:133:0
                              loop [6]                    100.0%
----------------------------------------------------------------
                              prepare-points-intervals [5]100.0%
 [6] 870(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:145:4
                              loop [7]                    100.0%
----------------------------------------------------------------
                              loop [6]                    100.0%
 [7] 870(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:104:2
                              ??? [8]                      66.7%
                              ??? [9]                      33.3%
----------------------------------------------------------------
                              loop [7]                    100.0%
 [8] 580(66.7%)    0(0.0%)  ??? ...tlies/herbie/develop/src/programs.rkt:146:2
                              ??? [10]                    100.0%
----------------------------------------------------------------
                              loop [7]                    100.0%
 [9] 290(33.3%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:357:33
                              ->flonum [11]               100.0%
----------------------------------------------------------------
                              ??? [8]                     100.0%
[10] 580(66.7%)    0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                              ??? [12]                    100.0%
----------------------------------------------------------------
                              ??? [9]                     100.0%
[11] 290(33.3%)  290(33.3%) ->flonum ...s/herbie/develop/src/programs.rkt:38:0
----------------------------------------------------------------
                              ??? [10]                    100.0%
[12] 580(66.7%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:361:33
                              ival-sub [13]                53.1%
                              ival-sqrt [14]               46.9%
----------------------------------------------------------------
                              ??? [12]                    100.0%
[13] 308(35.4%)    0(0.0%)  ival-sub ...erbie/develop/src/biginterval.rkt:93:0
                              ??? [15]                    100.0%
----------------------------------------------------------------
                              ??? [12]                    100.0%
[14] 272(31.3%)    0(0.0%)  ival-sqrt ...bie/develop/src/biginterval.rkt:191:0
                              ??? [15]                    100.0%
----------------------------------------------------------------
                              ival-sqrt [14]               46.9%
                              ival-sub [13]                53.1%
[15] 580(66.7%)    0(0.0%)  ??? ...-racket/utils/simple-result-arrow.rkt:39:12
                              bfsub [16]                   53.1%
                              bfsqrt [17]                  46.9%
----------------------------------------------------------------
                              ??? [15]                    100.0%
[16] 308(35.4%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                              ??? [18]                    100.0%
----------------------------------------------------------------
                              ??? [15]                    100.0%
[17] 272(31.3%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:618:4
                              new-mpfr [19]               100.0%
----------------------------------------------------------------
                              bfsub [16]                  100.0%
[18] 308(35.4%)  308(35.4%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
----------------------------------------------------------------
                              bfsqrt [17]                 100.0%
[19] 272(31.3%)  272(31.3%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
----------------------------------------------------------------