Profiling results
-----------------
  Total cpu time observed: 688ms (out of 984ms)
  Number of samples taken: 2 (once every 344ms)

================================================================
                              Caller
 Idx  Total       Self      Name+src                      Local%
      ms(pct)     ms(pct)     Callee
================================================================
                              ??? [3]                     100.0%
 [1] 688(100.0%)   0(0.0%)  profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0
                              run [2]                     100.0%
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                              profile-thunk16 [1]         100.0%
 [2] 688(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] 688(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] 688(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] 688(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] 688(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:138:4
                              loop [7]                    100.0%
----------------------------------------------------------------
                              loop [6]                    100.0%
 [7] 688(100.0%)   0(0.0%)  loop ...htlies/herbie/develop/src/points.rkt:103:2
                              ??? [8]                     100.0%
----------------------------------------------------------------
                              loop [7]                    100.0%
 [8] 688(100.0%)   0(0.0%)  ??? ...tlies/herbie/develop/src/programs.rkt:146:2
                              ??? [9]                     100.0%
----------------------------------------------------------------
                              ??? [8]                     100.0%
 [9] 688(100.0%) 344(50.0%) ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                              ??? [10]                     50.0%
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                              ??? [9]                     100.0%
[10] 344(50.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:361:33
                              ival-log [11]               100.0%
----------------------------------------------------------------
                              ??? [10]                    100.0%
[11] 344(50.0%)  344(50.0%) ival-log ...rbie/develop/src/biginterval.rkt:169:0
----------------------------------------------------------------