Profiling results
-----------------
  Total cpu time observed: 864ms (out of 1236ms)
  Number of samples taken: 3 (once every 288ms)

=======================================================
                              Caller
 Idx  Total       Self      Name+src             Local%
      ms(pct)     ms(pct)     Callee
=======================================================
                              ??? [3]            100.0%
 [1] 864(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] 864(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] 864(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] 864(100.0%)   0(0.0%)  run-improve47 ...us-cleanup/src/mainloop.rkt:342:0
                              prepare-points [5] 100.0%
-------------------------------------------------------
                              run-improve47 [4]  100.0%
 [5] 864(100.0%)   0(0.0%)  prepare-points ...ous-cleanup/src/points.rkt:146:0
                              loop [6]           100.0%
-------------------------------------------------------
                              prepare-points [5] 100.0%
 [6] 864(100.0%)   0(0.0%)  loop ...erbie/various-cleanup/src/points.rkt:122:4
                              loop [7]           100.0%
-------------------------------------------------------
                              loop [6]           100.0%
 [7] 864(100.0%)   0(0.0%)  loop ...herbie/various-cleanup/src/points.rkt:81:2
                              ??? [8]            100.0%
-------------------------------------------------------
                              loop [7]           100.0%
 [8] 864(100.0%)   0(0.0%)  ??? ...rbie/various-cleanup/src/programs.rkt:108:2
                              ??? [9]            100.0%
-------------------------------------------------------
                              ??? [8]            100.0%
 [9] 864(100.0%)   0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                              ??? [10]           100.0%
-------------------------------------------------------
                              ??? [9]            100.0%
[10] 864(100.0%) 308(35.6%) ??? ...tract/private/arrow-higher-order.rkt:361:33
                              ival-div [11]       33.3%
                              ival-sub [12]       31.0%
-------------------------------------------------------
                              ??? [10]           100.0%
[11] 288(33.3%)    0(0.0%)  ival-div ...ious-cleanup/src/biginterval.rkt:148:0
                              bfsub [13]         100.0%
-------------------------------------------------------
                              ??? [10]           100.0%
[12] 268(31.0%)    0(0.0%)  ival-sub ...ious-cleanup/src/biginterval.rkt:100:0
                              bfsub [13]         100.0%
-------------------------------------------------------
                              ival-sub [12]       48.2%
                              ival-div [11]       51.8%
[13] 556(64.4%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                              ??? [14]            51.8%
                              new-mpfr [15]       48.2%
-------------------------------------------------------
                              bfsub [13]         100.0%
[14] 288(33.3%)  288(33.3%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
-------------------------------------------------------
                              bfsub [13]         100.0%
[15] 268(31.0%)  268(31.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-------------------------------------------------------