Profiling results
-----------------
  Total cpu time observed: 576ms (out of 836ms)
  Number of samples taken: 2 (once every 288ms)

================================================================
                              Caller
 Idx  Total       Self      Name+src                      Local%
      ms(pct)     ms(pct)     Callee
================================================================
                              ??? [3]                     100.0%
 [1] 576(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] 576(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] 576(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] 576(100.0%)   0(0.0%)  run-improve47 ...lid-values/src/mainloop.rkt:345:0
                              prepare-points-intervals [5]100.0%
----------------------------------------------------------------
                              run-improve47 [4]           100.0%
 [5] 576(100.0%)   0(0.0%)  prepare-points-intervals ...s/src/points.rkt:110:0
                              loop [6]                    100.0%
----------------------------------------------------------------
                              prepare-points-intervals [5]100.0%
 [6] 576(100.0%)   0(0.0%)  loop ...etter-no-valid-values/src/points.rkt:123:4
                              loop [7]                    100.0%
----------------------------------------------------------------
                              loop [6]                    100.0%
 [7] 576(100.0%)   0(0.0%)  loop ...better-no-valid-values/src/points.rkt:81:2
                              ??? [8]                     100.0%
----------------------------------------------------------------
                              loop [7]                    100.0%
 [8] 576(100.0%)   0(0.0%)  ??? ...tter-no-valid-values/src/programs.rkt:115:2
                              ??? [9]                     100.0%
----------------------------------------------------------------
                              ??? [8]                     100.0%
 [9] 576(100.0%)   0(0.0%)  ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                              ??? [10]                    100.0%
----------------------------------------------------------------
                              ??? [9]                     100.0%
[10] 576(100.0%)   0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:364:33
                              ival-add [11]                50.0%
                              ival-sub [12]                50.0%
----------------------------------------------------------------
                              ??? [10]                    100.0%
[11] 288(50.0%)  288(50.0%) ival-add ...-valid-values/src/biginterval.rkt:93:0
----------------------------------------------------------------
                              ??? [10]                    100.0%
[12] 288(50.0%)    0(0.0%)  ival-sub ...-valid-values/src/biginterval.rkt:99:0
                              bfsub [13]                  100.0%
----------------------------------------------------------------
                              ival-sub [12]               100.0%
[13] 288(50.0%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                              new-mpfr [14]               100.0%
----------------------------------------------------------------
                              bfsub [13]                  100.0%
[14] 288(50.0%)  288(50.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
----------------------------------------------------------------