Profiling results
-----------------
  Total cpu time observed: 1406ms (out of 1600ms)
  Number of samples taken: 7 (once every 201ms)

===================================================================
                               Caller
 Idx   Total       Self      Name+src                        Local%
       ms(pct)     ms(pct)     Callee
===================================================================
 [1] 1406(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                               profile-thunk16 [2]           100.0%
-------------------------------------------------------------------
                               ??? [1]                       100.0%
 [2] 1406(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] 1406(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] 1406(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] 1406(100.0%)   0(0.0%)  run-improve47 ...fy-regraph/src/mainloop.rkt:346:0
                               prepare-points-intervals [6]  100.0%
-------------------------------------------------------------------
                               run-improve47 [5]             100.0%
 [6] 1406(100.0%)   0(0.0%)  prepare-points-intervals ...h/src/points.rkt:120:0
                               loop [7]                      100.0%
-------------------------------------------------------------------
                               prepare-points-intervals [6]  100.0%
 [7] 1406(100.0%)   0(0.0%)  loop ...rbie/simplify-regraph/src/points.rkt:132:4
                               loop [8]                       85.6%
                               ??? [9]                        14.4%
-------------------------------------------------------------------
                               loop [7]                      100.0%
 [8] 1204(85.6%)    0(0.0%)  loop ...erbie/simplify-regraph/src/points.rkt:79:2
                               ??? [10]                      100.0%
-------------------------------------------------------------------
                               loop [7]                      100.0%
 [9]  202(14.4%)    0(0.0%)  ??? ...erbie/simplify-regraph/src/points.rkt:113:6
                               ??? [10]                      100.0%
-------------------------------------------------------------------
                               ??? [9]                        14.4%
                               loop [8]                       85.6%
[10] 1406(100.0%) 198(14.1%) ??? ...tract/private/arrow-higher-order.rkt:379:33
                               ival-add [11]                  28.6%
                               ival-sqrt [12]                 28.4%
                               ival-sub [13]                  14.5%
                               ??? [14]                       14.4%
-------------------------------------------------------------------
                               ??? [10]                      100.0%
[11]  402(28.6%)  200(14.2%) ival-add ...lify-regraph/src/biginterval.rkt:102:0
                               bfsub [15]                     50.2%
-------------------------------------------------------------------
                               ??? [10]                      100.0%
[12]  400(28.4%)    0(0.0%)  ival-sqrt ...ify-regraph/src/biginterval.rkt:212:0
                               bfsqrt [16]                   100.0%
-------------------------------------------------------------------
                               ??? [10]                      100.0%
[13]  204(14.5%)    0(0.0%)  ival-sub ...lify-regraph/src/biginterval.rkt:108:0
                               bfsub [15]                    100.0%
-------------------------------------------------------------------
                               ??? [10]                      100.0%
[14]  202(14.4%)  202(14.4%) ??? ...ects/racket/contract/private/prop.rkt:567:4
-------------------------------------------------------------------
                               ival-add [11]                  49.8%
                               ival-sub [13]                  50.2%
[15]  406(28.9%)  202(14.4%) bfsub ...-lib/math/private/bigfloat/mpfr.rkt:835:4
                               new-mpfr [17]                  50.2%
-------------------------------------------------------------------
                               ival-sqrt [12]                100.0%
[16]  400(28.4%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:632:4
                               new-mpfr [17]                 100.0%
-------------------------------------------------------------------
                               bfsub [15]                     33.8%
                               bfsqrt [16]                    66.2%
[17]  604(43.0%)  604(43.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0
-------------------------------------------------------------------