Profiling results
-----------------
  Total cpu time observed: 1804ms (out of 2244ms)
  Number of samples taken: 6 (once every 301ms)

=================================================================
                               Caller
 Idx   Total       Self      Name+src                      Local%
       ms(pct)     ms(pct)     Callee
=================================================================
                               ??? [3]                     100.0%
 [1] 1804(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] 1804(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] 1804(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] 1804(100.0%)   0(0.0%)  run-improve47 ...rface-bugs/src/mainloop.rkt:345:0
                               prepare-points-intervals [5]100.0%
-----------------------------------------------------------------
                               run-improve47 [4]           100.0%
 [5] 1804(100.0%)   0(0.0%)  prepare-points-intervals ...s/src/points.rkt:121:0
                               loop [6]                    100.0%
-----------------------------------------------------------------
                               prepare-points-intervals [5]100.0%
 [6] 1804(100.0%)   0(0.0%)  loop ...ie/fix-interface-bugs/src/points.rkt:134:4
                               loop [7]                    100.0%
-----------------------------------------------------------------
                               loop [6]                    100.0%
 [7] 1804(100.0%)   0(0.0%)  loop ...bie/fix-interface-bugs/src/points.rkt:80:2
                               ??? [8]                     100.0%
-----------------------------------------------------------------
                               loop [7]                    100.0%
 [8] 1804(100.0%)   0(0.0%)  ??? ...e/fix-interface-bugs/src/programs.rkt:115:2
                               ??? [9]                     100.0%
-----------------------------------------------------------------
                               ??? [8]                     100.0%
 [9] 1804(100.0%) 598(33.1%) ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                               ??? [10]                     33.5%
                               ??? [11]                     33.4%
-----------------------------------------------------------------
                               ??? [9]                     100.0%
[10]  604(33.5%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:364:33
                               ival-sub [13]                51.7%
                               ival-fabs [14]               48.3%
-----------------------------------------------------------------
                               ??? [9]                     100.0%
[11]  602(33.4%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:360:33
                               ival-mult [12]              100.0%
-----------------------------------------------------------------
                               ??? [11]                    100.0%
[12]  602(33.4%)  292(16.2%) ival-mult ...erface-bugs/src/biginterval.rkt:112:0
                               bfsub [15]                   51.5%
-----------------------------------------------------------------
                               ??? [10]                    100.0%
[13]  312(17.3%)    0(0.0%)  ival-sub ...terface-bugs/src/biginterval.rkt:100:0
                               bfsub [15]                  100.0%
-----------------------------------------------------------------
                               ??? [10]                    100.0%
[14]  292(16.2%)    0(0.0%)  ival-fabs ...erface-bugs/src/biginterval.rkt:354:0
                               bfneg [16]                  100.0%
-----------------------------------------------------------------
                               ival-mult [12]               49.8%
                               ival-sub [13]                50.2%
[15]  622(34.5%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               ??? [17]                     50.2%
                               new-mpfr [18]                49.8%
-----------------------------------------------------------------
                               ival-fabs [14]              100.0%
[16]  292(16.2%)    0(0.0%)  bfneg ...-lib/math/private/bigfloat/mpfr.rkt:618:4
                               ??? [17]                    100.0%
-----------------------------------------------------------------
                               bfneg [16]                   48.3%
                               bfsub [15]                   51.7%
[17]  604(33.5%)  604(33.5%) ??? /opt/racket-7.2/collects/ffi/unsafe.rkt:905:4
-----------------------------------------------------------------
                               bfsub [15]                  100.0%
[18]  310(17.2%)  310(17.2%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-----------------------------------------------------------------