Profiling results
-----------------
  Total cpu time observed: 848ms (out of 1068ms)
  Number of samples taken: 2 (once every 424ms)

================================================================
                              Caller
 Idx  Total       Self      Name+src                      Local%
      ms(pct)     ms(pct)     Callee
================================================================
                              ??? [3]                     100.0%
 [1] 848(100.0%)   0(0.0%)  profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0
                              run [2]                     100.0%
----------------------------------------------------------------
                              profile-thunk16 [1]         100.0%
 [2] 848(100.0%)   0(0.0%)  run ...et-7.2/share/pkgs/profile-lib/main.rkt:39:2
                              ??? [3]                     100.0%
----------------------------------------------------------------
                              run [2]                      50.0%
 [3] 848(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [1]          50.0%
                              run-improve47 [4]            50.0%
----------------------------------------------------------------
                              ??? [3]                     100.0%
 [4] 848(100.0%)   0(0.0%)  run-improve47 ...rface-bugs/src/mainloop.rkt:345:0
                              for-loop [5]                 50.0%
                              prepare-points-intervals [6] 50.0%
----------------------------------------------------------------
                              run-improve47 [4]           100.0%
 [5] 424(50.0%)    0(0.0%)  for-loop ...-interface-bugs/src/mainloop.rkt:364:4
                              run-iter! [7]               100.0%
----------------------------------------------------------------
                              run-improve47 [4]           100.0%
 [6] 424(50.0%)    0(0.0%)  prepare-points-intervals ...s/src/points.rkt:121:0
                              loop [8]                    100.0%
----------------------------------------------------------------
                              for-loop [5]                100.0%
 [7] 424(50.0%)    0(0.0%)  run-iter! ...interface-bugs/src/mainloop.rkt:326:0
                              localize! [9]               100.0%
----------------------------------------------------------------
                              prepare-points-intervals [6]100.0%
 [8] 424(50.0%)    0(0.0%)  loop ...ie/fix-interface-bugs/src/points.rkt:134:4
                              loop [10]                   100.0%
----------------------------------------------------------------
                              run-iter! [7]               100.0%
 [9] 424(50.0%)  424(50.0%) localize! ...interface-bugs/src/mainloop.rkt:126:0
----------------------------------------------------------------
                              loop [8]                    100.0%
[10] 424(50.0%)    0(0.0%)  loop ...bie/fix-interface-bugs/src/points.rkt:80:2
                              ??? [11]                    100.0%
----------------------------------------------------------------
                              loop [10]                   100.0%
[11] 424(50.0%)    0(0.0%)  ??? ...e/fix-interface-bugs/src/programs.rkt:115:2
                              ??? [12]                    100.0%
----------------------------------------------------------------
                              ??? [11]                    100.0%
[12] 424(50.0%)  424(50.0%) ??? ...tract/private/arrow-higher-order.rkt:360:33
----------------------------------------------------------------