Profiling results
-----------------
  Total cpu time observed: 1472ms (out of 1804ms)
  Number of samples taken: 4 (once every 368ms)

========================================================
                               Caller
 Idx   Total       Self      Name+src             Local%
       ms(pct)     ms(pct)     Callee
========================================================
                               ??? [3]            100.0%
 [1] 1472(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] 1472(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] 1472(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] 1472(100.0%)   0(0.0%)  run-improve43 ...ie/develop/src/mainloop.rkt:339:0
                               setup-prog!34 [5]  100.0%
--------------------------------------------------------
                               run-improve43 [4]  100.0%
 [5] 1472(100.0%)   0(0.0%)  setup-prog!34 ...bie/develop/src/mainloop.rkt:67:0
                               prepare-points [6] 100.0%
--------------------------------------------------------
                               setup-prog!34 [5]  100.0%
 [6] 1472(100.0%)   0(0.0%)  prepare-points ...bie/develop/src/points.rkt:166:0
                               loop [7]           100.0%
--------------------------------------------------------
                               prepare-points [6] 100.0%
 [7] 1472(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:143:4
                               loop [8]           100.0%
--------------------------------------------------------
                               loop [7]           100.0%
 [8] 1472(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:102:2
                               ??? [9]            100.0%
--------------------------------------------------------
                               loop [8]           100.0%
 [9] 1472(100.0%)   0(0.0%)  ??? ...htlies/herbie/develop/src/programs.rkt:99:2
                               ??? [10]           100.0%
--------------------------------------------------------
                               ??? [9]            100.0%
[10] 1472(100.0%)   0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                               ??? [11]            80.2%
                               ??? [12]            19.8%
--------------------------------------------------------
                               ??? [10]           100.0%
[11] 1180(80.2%)  300(20.4%) ??? ...tract/private/arrow-higher-order.rkt:361:33
                               ival-sub [13]       41.0%
                               ival-div [14]       33.6%
--------------------------------------------------------
                               ??? [10]           100.0%
[12]  292(19.8%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:357:33
                               ival-pow [15]      100.0%
--------------------------------------------------------
                               ??? [11]           100.0%
[13]  484(32.9%)    0(0.0%)  ival-sub ...rbie/develop/src/biginterval.rkt:100:0
                               bfdiv [16]         100.0%
--------------------------------------------------------
                               ??? [11]           100.0%
[14]  396(26.9%)    0(0.0%)  ival-div ...rbie/develop/src/biginterval.rkt:148:0
                               bfdiv [16]         100.0%
--------------------------------------------------------
                               ??? [12]           100.0%
[15]  292(19.8%)  292(19.8%) ival-pow ...rbie/develop/src/biginterval.rkt:216:0
--------------------------------------------------------
                               ival-div [14]       45.0%
                               ival-sub [13]       55.0%
[16]  880(59.8%)    0(0.0%)  bfdiv ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               new-mpfr [17]       55.0%
                               ??? [18]            45.0%
--------------------------------------------------------
                               bfdiv [16]         100.0%
[17]  484(32.9%)  484(32.9%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
--------------------------------------------------------
                               bfdiv [16]         100.0%
[18]  396(26.9%)  396(26.9%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
--------------------------------------------------------