Profiling results
-----------------
  Total cpu time observed: 624ms (out of 836ms)
  Number of samples taken: 2 (once every 312ms)

================================================================
                              Caller
 Idx  Total       Self      Name+src                      Local%
      ms(pct)     ms(pct)     Callee
================================================================
                              ??? [3]                     100.0%
 [1] 624(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] 624(100.0%)   0(0.0%)  run ...et-7.2/share/pkgs/profile-lib/main.rkt:39:2
                              ??? [3]                     100.0%
----------------------------------------------------------------
                              run [2]                      50.0%
 [3] 624(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] 624(100.0%)   0(0.0%)  run-improve47 ...bie/master/src/mainloop.rkt:346:0
                              prepare-points-intervals [5]100.0%
----------------------------------------------------------------
                              run-improve47 [4]           100.0%
 [5] 624(100.0%)   0(0.0%)  prepare-points-intervals ...r/src/points.rkt:110:0
                              loop [6]                    100.0%
----------------------------------------------------------------
                              prepare-points-intervals [5]100.0%
 [6] 624(100.0%)   0(0.0%)  loop ...ghtlies/herbie/master/src/points.rkt:123:4
                              loop [7]                    100.0%
----------------------------------------------------------------
                              loop [6]                    100.0%
 [7] 624(100.0%)   0(0.0%)  loop ...ightlies/herbie/master/src/points.rkt:81:2
                              ??? [8]                     100.0%
----------------------------------------------------------------
                              loop [7]                    100.0%
 [8] 624(100.0%)   0(0.0%)  ??? ...htlies/herbie/master/src/programs.rkt:115:2
                              ??? [9]                      50.0%
                              ??? [10]                     50.0%
----------------------------------------------------------------
                              ??? [8]                     100.0%
 [9] 312(50.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:360:33
                              mk-ival [11]                100.0%
----------------------------------------------------------------
                              ??? [8]                     100.0%
[10] 312(50.0%)    0(0.0%)  ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                              ??? [12]                    100.0%
----------------------------------------------------------------
                              ??? [9]                     100.0%
[11] 312(50.0%)    0(0.0%)  mk-ival .../herbie/master/src/biginterval.rkt:65:0
                              bf [13]                     100.0%
----------------------------------------------------------------
                              ??? [10]                    100.0%
[12] 312(50.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:364:33
                              ival-sqrt [14]              100.0%
----------------------------------------------------------------
                              mk-ival [11]                100.0%
[13] 312(50.0%)    0(0.0%)  bf ...ath-lib/math/private/bigfloat/mpfr.rkt:601:2
                              new-mpfr [15]               100.0%
----------------------------------------------------------------
                              ??? [12]                    100.0%
[14] 312(50.0%)    0(0.0%)  ival-sqrt ...rbie/master/src/biginterval.rkt:211:0
                              bfsqrt [16]                 100.0%
----------------------------------------------------------------
                              bf [13]                     100.0%
[15] 312(50.0%)  312(50.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
----------------------------------------------------------------
                              ival-sqrt [14]              100.0%
[16] 312(50.0%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:618:4
                              ??? [17]                    100.0%
----------------------------------------------------------------
                              bfsqrt [16]                 100.0%
[17] 312(50.0%)  312(50.0%) ??? /opt/racket-7.2/collects/ffi/unsafe.rkt:905:4
----------------------------------------------------------------