Profiling results
-----------------
  Total cpu time observed: 606ms (out of 724ms)
  Number of samples taken: 3 (once every 202ms)

==================================================================
                              Caller
 Idx  Total       Self      Name+src                        Local%
      ms(pct)     ms(pct)     Callee
==================================================================
 [1] 606(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [2]           100.0%
------------------------------------------------------------------
                              ??? [1]                       100.0%
 [2] 606(100.0%)   0(0.0%)  profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0
                              run [3]                       100.0%
------------------------------------------------------------------
                              profile-thunk16 [2]           100.0%
 [3] 606(100.0%)   0(0.0%)  run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2
                              .../more-scheme.rkt:261:28 [4]100.0%
------------------------------------------------------------------
                              run [3]                       100.0%
 [4] 606(100.0%)   0(0.0%)  .../more-scheme.rkt:261:28 (unknown source)
                              run-improve47 [5]             100.0%
------------------------------------------------------------------
                              .../more-scheme.rkt:261:28 [4]100.0%
 [5] 606(100.0%)   0(0.0%)  run-improve47 ...e/findroot/src/mainloop.rkt:346:0
                              prepare-points-intervals [6]  100.0%
------------------------------------------------------------------
                              run-improve47 [5]             100.0%
 [6] 606(100.0%)   0(0.0%)  prepare-points-intervals ...t/src/points.rkt:120:0
                              loop [7]                      100.0%
------------------------------------------------------------------
                              prepare-points-intervals [6]  100.0%
 [7] 606(100.0%)   0(0.0%)  loop ...tlies/herbie/findroot/src/points.rkt:132:4
                              loop [8]                      100.0%
------------------------------------------------------------------
                              loop [7]                      100.0%
 [8] 606(100.0%) 202(33.3%) loop ...htlies/herbie/findroot/src/points.rkt:79:2
                              ??? [9]                        33.7%
                              ??? [10]                       33.0%
------------------------------------------------------------------
                              loop [8]                      100.0%
 [9] 204(33.7%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:375:33
                              ival-pow-pos [11]             100.0%
------------------------------------------------------------------
                              loop [8]                      100.0%
[10] 200(33.0%)  200(33.0%) ??? ...tract/private/arrow-higher-order.rkt:379:33
------------------------------------------------------------------
                              ??? [9]                       100.0%
[11] 204(33.7%)  204(33.7%) ival-pow-pos ...findroot/src/biginterval.rkt:224:0
------------------------------------------------------------------