Profiling results
-----------------
  Total cpu time observed: 790ms (out of 944ms)
  Number of samples taken: 4 (once every 198ms)

==================================================================
                              Caller
 Idx  Total       Self      Name+src                        Local%
      ms(pct)     ms(pct)     Callee
==================================================================
 [1] 790(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [2]           100.0%
------------------------------------------------------------------
                              ??? [1]                       100.0%
 [2] 790(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] 790(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] 790(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] 790(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] 790(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] 790(100.0%)   0(0.0%)  loop ...rbie/simplify-regraph/src/points.rkt:132:4
                              loop [8]                      100.0%
------------------------------------------------------------------
                              loop [7]                      100.0%
 [8] 790(100.0%)   0(0.0%)  loop ...erbie/simplify-regraph/src/points.rkt:79:2
                              ??? [9]                       100.0%
------------------------------------------------------------------
                              loop [8]                      100.0%
 [9] 790(100.0%)   0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:379:33
                              ival-sqrt [10]                 75.7%
                              ival-sub [11]                  24.3%
------------------------------------------------------------------
                              ??? [9]                       100.0%
[10] 598(75.7%)    0(0.0%)  ival-sqrt ...ify-regraph/src/biginterval.rkt:212:0
                              bfsqrt [12]                   100.0%
------------------------------------------------------------------
                              ??? [9]                       100.0%
[11] 192(24.3%)    0(0.0%)  ival-sub ...lify-regraph/src/biginterval.rkt:108:0
                              bfsub [13]                    100.0%
------------------------------------------------------------------
                              ival-sqrt [10]                100.0%
[12] 598(75.7%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:632:4
                              ??? [14]                       66.6%
                              new-mpfr [15]                  33.4%
------------------------------------------------------------------
                              ival-sub [11]                 100.0%
[13] 192(24.3%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:835:4
                              ??? [14]                      100.0%
------------------------------------------------------------------
                              bfsub [13]                     32.5%
                              bfsqrt [12]                    67.5%
[14] 590(74.7%)  590(74.7%) ??? /opt/racket-7.5/collects/ffi/unsafe.rkt:938:4
------------------------------------------------------------------
                              bfsqrt [12]                   100.0%
[15] 200(25.3%)  200(25.3%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0
------------------------------------------------------------------