Profiling results
-----------------
  Total cpu time observed: 966ms (out of 1068ms)
  Number of samples taken: 3 (once every 322ms)

=======================================================
                              Caller
 Idx  Total       Self      Name+src             Local%
      ms(pct)     ms(pct)     Callee
=======================================================
                              ??? [3]            100.0%
 [1] 966(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] 966(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] 966(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] 966(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] 966(100.0%)   0(0.0%)  prepare-points ...rbie/master/src/points.rkt:146:0
                              loop [6]           100.0%
-------------------------------------------------------
                              prepare-points [5] 100.0%
 [6] 966(100.0%)   0(0.0%)  loop ...ghtlies/herbie/master/src/points.rkt:122:4
                              loop [7]           100.0%
-------------------------------------------------------
                              loop [6]           100.0%
 [7] 966(100.0%)   0(0.0%)  loop ...ightlies/herbie/master/src/points.rkt:81:2
                              ??? [8]            100.0%
-------------------------------------------------------
                              loop [7]           100.0%
 [8] 966(100.0%)   0(0.0%)  ??? ...htlies/herbie/master/src/programs.rkt:108:2
                              ??? [9]            100.0%
-------------------------------------------------------
                              ??? [8]            100.0%
 [9] 966(100.0%)   0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                              ??? [10]            66.7%
                              ??? [11]            33.3%
-------------------------------------------------------
                              ??? [9]            100.0%
[10] 644(66.7%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:357:33
                              ival-mult [12]     100.0%
-------------------------------------------------------
                              ??? [9]            100.0%
[11] 322(33.3%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:361:33
                              ival-sub [13]      100.0%
-------------------------------------------------------
                              ??? [10]           100.0%
[12] 644(66.7%)  308(31.9%) ival-mult ...rbie/master/src/biginterval.rkt:112:0
                              bfmin* [14]         52.2%
-------------------------------------------------------
                              ??? [11]           100.0%
[13] 322(33.3%)    0(0.0%)  ival-sub ...erbie/master/src/biginterval.rkt:100:0
                              bfsub [15]         100.0%
-------------------------------------------------------
                              ival-mult [12]     100.0%
[14] 336(34.8%)    0(0.0%)  bfmin* .../herbie/master/src/biginterval.rkt:106:0
                              bfsub [15]         100.0%
-------------------------------------------------------
                              ival-sub [13]       48.9%
                              bfmin* [14]         51.1%
[15] 658(68.1%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                              new-mpfr [16]       51.1%
                              ??? [17]            48.9%
-------------------------------------------------------
                              bfsub [15]         100.0%
[16] 336(34.8%)  336(34.8%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-------------------------------------------------------
                              bfsub [15]         100.0%
[17] 322(33.3%)  322(33.3%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
-------------------------------------------------------