Profiling results
-----------------
  Total cpu time observed: 816ms (out of 1088ms)
  Number of samples taken: 2 (once every 408ms)

=======================================================
                              Caller
 Idx  Total       Self      Name+src             Local%
      ms(pct)     ms(pct)     Callee
=======================================================
                              ??? [3]            100.0%
 [1] 816(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] 816(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] 816(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] 816(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] 816(100.0%)   0(0.0%)  prepare-points ...rbie/master/src/points.rkt:146:0
                              loop [6]           100.0%
-------------------------------------------------------
                              prepare-points [5] 100.0%
 [6] 816(100.0%)   0(0.0%)  loop ...ghtlies/herbie/master/src/points.rkt:122:4
                              loop [7]           100.0%
-------------------------------------------------------
                              loop [6]           100.0%
 [7] 816(100.0%)   0(0.0%)  loop ...ightlies/herbie/master/src/points.rkt:81:2
                              ??? [8]            100.0%
-------------------------------------------------------
                              loop [7]           100.0%
 [8] 816(100.0%)   0(0.0%)  ??? ...htlies/herbie/master/src/programs.rkt:108:2
                              ??? [9]            100.0%
-------------------------------------------------------
                              ??? [8]            100.0%
 [9] 816(100.0%)   0(0.0%)  ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                              ??? [10]           100.0%
-------------------------------------------------------
                              ??? [9]            100.0%
[10] 816(100.0%)   0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:364:33
                              ival-exp [11]       50.0%
                              ival-sqrt [12]      50.0%
-------------------------------------------------------
                              ??? [10]           100.0%
[11] 408(50.0%)    0(0.0%)  ival-exp ...erbie/master/src/biginterval.rkt:180:0
                              bfsqrt [13]        100.0%
-------------------------------------------------------
                              ??? [10]           100.0%
[12] 408(50.0%)    0(0.0%)  ival-sqrt ...rbie/master/src/biginterval.rkt:198:0
                              bfsqrt [13]        100.0%
-------------------------------------------------------
                              ival-sqrt [12]      50.0%
                              ival-exp [11]       50.0%
[13] 816(100.0%)   0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:618:4
                              new-mpfr [14]       50.0%
                              ??? [15]            50.0%
-------------------------------------------------------
                              bfsqrt [13]        100.0%
[14] 408(50.0%)  408(50.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-------------------------------------------------------
                              bfsqrt [13]        100.0%
[15] 408(50.0%)  408(50.0%) ??? /opt/racket-7.2/collects/ffi/unsafe.rkt:905:4
-------------------------------------------------------