Profiling results
-----------------
  Total cpu time observed: 1238ms (out of 1716ms)
  Number of samples taken: 4 (once every 310ms)

=================================================================
                               Caller
 Idx   Total       Self      Name+src                      Local%
       ms(pct)     ms(pct)     Callee
=================================================================
                               ??? [3]                     100.0%
 [1] 1238(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] 1238(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] 1238(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] 1238(100.0%)   0(0.0%)  run-improve40 ...ie/develop/src/mainloop.rkt:340:0
                               prepare-points-intervals [5]100.0%
-----------------------------------------------------------------
                               run-improve40 [4]           100.0%
 [5] 1238(100.0%)   0(0.0%)  prepare-points-intervals ...p/src/points.rkt:122:0
                               loop [6]                    100.0%
-----------------------------------------------------------------
                               prepare-points-intervals [5]100.0%
 [6] 1238(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:138:4
                               loop [7]                    100.0%
-----------------------------------------------------------------
                               loop [6]                    100.0%
 [7] 1238(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:103:2
                               ??? [8]                     100.0%
-----------------------------------------------------------------
                               loop [7]                    100.0%
 [8] 1238(100.0%)   0(0.0%)  ??? ...tlies/herbie/develop/src/programs.rkt:146:2
                               ??? [9]                     100.0%
-----------------------------------------------------------------
                               ??? [8]                     100.0%
 [9] 1238(100.0%)   0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                               ??? [10]                     75.0%
                               ??? [11]                     25.0%
-----------------------------------------------------------------
                               ??? [9]                     100.0%
[10]  928(75.0%)  308(24.9%) ??? ...tract/private/arrow-higher-order.rkt:361:33
                               ival-div [12]                66.8%
-----------------------------------------------------------------
                               ??? [9]                     100.0%
[11]  310(25.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:357:33
                               ival-mult [13]              100.0%
-----------------------------------------------------------------
                               ??? [10]                    100.0%
[12]  620(50.1%)    0(0.0%)  ival-div ...rbie/develop/src/biginterval.rkt:131:0
                               ??? [14]                    100.0%
-----------------------------------------------------------------
                               ??? [11]                    100.0%
[13]  310(25.0%)    0(0.0%)  ival-mult ...rbie/develop/src/biginterval.rkt:95:0
                               classify-ival [15]          100.0%
-----------------------------------------------------------------
                               ival-div [12]               100.0%
[14]  620(50.1%)    0(0.0%)  ??? ...-racket/utils/simple-result-arrow.rkt:39:12
                               bfdiv [16]                  100.0%
-----------------------------------------------------------------
                               ival-mult [13]              100.0%
[15]  310(25.0%)  310(25.0%) classify-ival ...develop/src/biginterval.rkt:300:0
-----------------------------------------------------------------
                               ??? [14]                    100.0%
[16]  620(50.1%)    0(0.0%)  bfdiv ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               ??? [17]                     50.3%
                               new-mpfr [18]                49.7%
-----------------------------------------------------------------
                               bfdiv [16]                  100.0%
[17]  312(25.2%)  312(25.2%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
-----------------------------------------------------------------
                               bfdiv [16]                  100.0%
[18]  308(24.9%)  308(24.9%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-----------------------------------------------------------------