Profiling results
-----------------
  Total cpu time observed: 1256ms (out of 1480ms)
  Number of samples taken: 4 (once every 314ms)

=================================================================
                               Caller
 Idx   Total       Self      Name+src                      Local%
       ms(pct)     ms(pct)     Callee
=================================================================
                               ??? [3]                     100.0%
 [1] 1256(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] 1256(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] 1256(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                               profile-thunk16 [1]          50.0%
                               run-improve40 [4]            50.0%
-----------------------------------------------------------------
                               ??? [3]                     100.0%
 [4] 1256(100.0%)   0(0.0%)  run-improve40 ...ie/develop/src/mainloop.rkt:336:0
                               prepare-points-intervals [5]100.0%
-----------------------------------------------------------------
                               run-improve40 [4]           100.0%
 [5] 1256(100.0%)   0(0.0%)  prepare-points-intervals ...p/src/points.rkt:133:0
                               loop [6]                    100.0%
-----------------------------------------------------------------
                               prepare-points-intervals [5]100.0%
 [6] 1256(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:145:4
                               loop [7]                    100.0%
-----------------------------------------------------------------
                               loop [6]                    100.0%
 [7] 1256(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:104:2
                               ??? [8]                     100.0%
-----------------------------------------------------------------
                               loop [7]                    100.0%
 [8] 1256(100.0%)   0(0.0%)  ??? ...tlies/herbie/develop/src/programs.rkt:146:2
                               ??? [9]                     100.0%
-----------------------------------------------------------------
                               ??? [8]                     100.0%
 [9] 1256(100.0%)   0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                               ??? [10]                    100.0%
-----------------------------------------------------------------
                               ??? [9]                     100.0%
[10] 1256(100.0%) 358(28.5%) ??? ...tract/private/arrow-higher-order.rkt:361:33
                               ival-sub [11]                27.5%
                               ival-add [12]                22.9%
                               ival-sqrt [13]               21.0%
-----------------------------------------------------------------
                               ??? [10]                    100.0%
[11]  346(27.5%)    0(0.0%)  ival-sub ...rbie/develop/src/biginterval.rkt:102:0
                               bfadd [14]                  100.0%
-----------------------------------------------------------------
                               ??? [10]                    100.0%
[12]  288(22.9%)    0(0.0%)  ival-add ...erbie/develop/src/biginterval.rkt:96:0
                               bfadd [14]                  100.0%
-----------------------------------------------------------------
                               ??? [10]                    100.0%
[13]  264(21.0%)  264(21.0%) ival-sqrt ...bie/develop/src/biginterval.rkt:200:0
-----------------------------------------------------------------
                               ival-add [12]                45.4%
                               ival-sub [11]                54.6%
[14]  634(50.5%)    0(0.0%)  bfadd ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               new-mpfr [15]                54.6%
                               ??? [16]                     45.4%
-----------------------------------------------------------------
                               bfadd [14]                  100.0%
[15]  346(27.5%)  346(27.5%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-----------------------------------------------------------------
                               bfadd [14]                  100.0%
[16]  288(22.9%)  288(22.9%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
-----------------------------------------------------------------