Profiling results
-----------------
  Total cpu time observed: 536ms (out of 980ms)
  Number of samples taken: 2 (once every 268ms)

=======================================================
                              Caller
 Idx  Total       Self      Name+src             Local%
      ms(pct)     ms(pct)     Callee
=======================================================
                              ??? [3]            100.0%
 [1] 536(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] 536(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] 536(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [1] 50.0%
                              run-improve43 [4]   50.0%
-------------------------------------------------------
                              ??? [3]            100.0%
 [4] 536(100.0%)   0(0.0%)  run-improve43 ...ple-ranges/src/mainloop.rkt:339:0
                              setup-prog!34 [5]  100.0%
-------------------------------------------------------
                              run-improve43 [4]  100.0%
 [5] 536(100.0%)   0(0.0%)  setup-prog!34 ...mple-ranges/src/mainloop.rkt:67:0
                              prepare-points [6] 100.0%
-------------------------------------------------------
                              setup-prog!34 [5]  100.0%
 [6] 536(100.0%)   0(0.0%)  prepare-points ...mple-ranges/src/points.rkt:145:0
                              loop [7]           100.0%
-------------------------------------------------------
                              prepare-points [6] 100.0%
 [7] 536(100.0%)   0(0.0%)  loop ...ie/move-sample-ranges/src/points.rkt:122:4
                              loop [8]           100.0%
-------------------------------------------------------
                              loop [7]           100.0%
 [8] 536(100.0%)   0(0.0%)  loop ...bie/move-sample-ranges/src/points.rkt:81:2
                              ??? [9]            100.0%
-------------------------------------------------------
                              loop [8]           100.0%
 [9] 536(100.0%)   0(0.0%)  ??? ...ie/move-sample-ranges/src/programs.rkt:99:2
                              ??? [10]           100.0%
-------------------------------------------------------
                              ??? [9]            100.0%
[10] 536(100.0%)   0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                              ??? [11]           100.0%
-------------------------------------------------------
                              ??? [10]           100.0%
[11] 536(100.0%)   0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:361:33
                              ival-if [13]        50.0%
                              ival-sub [12]       50.0%
-------------------------------------------------------
                              ??? [11]           100.0%
[12] 268(50.0%)    0(0.0%)  ival-sub ...ample-ranges/src/biginterval.rkt:100:0
                              bfsub [15]         100.0%
-------------------------------------------------------
                              ??? [11]           100.0%
[13] 268(50.0%)    0(0.0%)  ival-if ...sample-ranges/src/biginterval.rkt:488:0
                              ival-union [14]    100.0%
-------------------------------------------------------
                              ival-if [13]       100.0%
[14] 268(50.0%)    0(0.0%)  ival-union ...ple-ranges/src/biginterval.rkt:474:0
                              bfsub [15]         100.0%
-------------------------------------------------------
                              ival-sub [12]       50.0%
                              ival-union [14]     50.0%
[15] 536(100.0%)   0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                              ??? [16]            50.0%
                              new-mpfr [17]       50.0%
-------------------------------------------------------
                              bfsub [15]         100.0%
[16] 268(50.0%)  268(50.0%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
-------------------------------------------------------
                              bfsub [15]         100.0%
[17] 268(50.0%)  268(50.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-------------------------------------------------------