Profiling results
-----------------
  Total cpu time observed: 792ms (out of 928ms)
  Number of samples taken: 4 (once every 198ms)

==================================================================
                              Caller
 Idx  Total       Self      Name+src                        Local%
      ms(pct)     ms(pct)     Callee
==================================================================
 [1] 792(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [2]           100.0%
------------------------------------------------------------------
                              ??? [1]                       100.0%
 [2] 792(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] 792(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] 792(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] 792(100.0%)   0(0.0%)  run-improve47 ...-both-ends/src/mainloop.rkt:346:0
                              prepare-points-intervals [6]  100.0%
------------------------------------------------------------------
                              run-improve47 [5]             100.0%
 [6] 792(100.0%)   0(0.0%)  prepare-points-intervals ...s/src/points.rkt:133:0
                              loop [7]                      100.0%
------------------------------------------------------------------
                              prepare-points-intervals [6]  100.0%
 [7] 792(100.0%)   0(0.0%)  loop ...w-detection-both-ends/src/points.rkt:145:4
                              loop [8]                      100.0%
------------------------------------------------------------------
                              loop [7]                      100.0%
 [8] 792(100.0%)   0(0.0%)  loop ...ow-detection-both-ends/src/points.rkt:81:2
                              ??? [9]                       100.0%
------------------------------------------------------------------
                              loop [8]                      100.0%
 [9] 792(100.0%)   0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:379:33
                              ival-sqrt [10]                 75.3%
                              ival-add [11]                  24.7%
------------------------------------------------------------------
                              ??? [9]                       100.0%
[10] 596(75.3%)  200(25.3%) ival-sqrt ...n-both-ends/src/biginterval.rkt:401:0
                              e-compute [12]                 66.4%
------------------------------------------------------------------
                              ??? [9]                       100.0%
[11] 196(24.7%)  196(24.7%) ival-add ...on-both-ends/src/biginterval.rkt:237:0
------------------------------------------------------------------
                              ival-sqrt [10]                100.0%
[12] 396(50.0%)  200(25.3%) e-compute ...n-both-ends/src/biginterval.rkt:172:0
                              bfsqrt [13]                    49.5%
------------------------------------------------------------------
                              e-compute [12]                100.0%
[13] 196(24.7%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:632:4
                              ??? [14]                      100.0%
------------------------------------------------------------------
                              bfsqrt [13]                   100.0%
[14] 196(24.7%)  196(24.7%) ??? /opt/racket-7.5/collects/ffi/unsafe.rkt:938:4
------------------------------------------------------------------