Profiling results
-----------------
  Total cpu time observed: 2054ms (out of 2280ms)
  Number of samples taken: 8 (once every 257ms)

========================================================
                               Caller
 Idx   Total       Self      Name+src             Local%
       ms(pct)     ms(pct)     Callee
========================================================
                               ??? [3]            100.0%
 [1] 2054(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] 2054(100.0%)   0(0.0%)  run ...et-7.0/share/pkgs/profile-lib/main.rkt:39:2
                               ??? [3]            100.0%
--------------------------------------------------------
                               run [2]             50.0%
 [3] 2054(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] 2054(100.0%)   0(0.0%)  run-improve47 ...us-cleanup/src/mainloop.rkt:342:0
                               prepare-points [5] 100.0%
--------------------------------------------------------
                               run-improve47 [4]  100.0%
 [5] 2054(100.0%)   0(0.0%)  prepare-points ...ous-cleanup/src/points.rkt:146:0
                               loop [6]           100.0%
--------------------------------------------------------
                               prepare-points [5] 100.0%
 [6] 2054(100.0%)   0(0.0%)  loop ...erbie/various-cleanup/src/points.rkt:122:4
                               loop [7]           100.0%
--------------------------------------------------------
                               loop [6]           100.0%
 [7] 2054(100.0%)   0(0.0%)  loop ...herbie/various-cleanup/src/points.rkt:81:2
                               ??? [8]            100.0%
--------------------------------------------------------
                               loop [7]           100.0%
 [8] 2054(100.0%)   0(0.0%)  ??? ...rbie/various-cleanup/src/programs.rkt:108:2
                               ??? [9]             90.8%
                               ??? [11]             9.2%
--------------------------------------------------------
                               ??? [8]            100.0%
 [9] 1866(90.8%)    0(0.0%)  ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                               ??? [10]            83.9%
                               ??? [11]            16.1%
--------------------------------------------------------
                               ??? [9]            100.0%
[10] 1566(76.2%)  432(21.0%) ??? ...tract/private/arrow-higher-order.rkt:361:33
                               ival-exp [12]       39.8%
                               ival-sub [13]       32.6%
--------------------------------------------------------
                               ??? [8]             38.5%
                               ??? [9]             61.5%
[11]  488(23.8%)  188(9.2%)  ??? ...tract/private/arrow-higher-order.rkt:357:33
                               ival-mult [14]      61.5%
--------------------------------------------------------
                               ??? [10]           100.0%
[12]  624(30.4%)  624(30.4%) ival-exp ...ious-cleanup/src/biginterval.rkt:180:0
--------------------------------------------------------
                               ??? [10]           100.0%
[13]  510(24.8%)    0(0.0%)  ival-sub ...ious-cleanup/src/biginterval.rkt:100:0
                               bfsub [15]         100.0%
--------------------------------------------------------
                               ??? [11]           100.0%
[14]  300(14.6%)  300(14.6%) ival-mult ...ous-cleanup/src/biginterval.rkt:112:0
--------------------------------------------------------
                               ival-sub [13]      100.0%
[15]  510(24.8%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               new-mpfr [16]       70.6%
                               ??? [17]            29.4%
--------------------------------------------------------
                               bfsub [15]         100.0%
[16]  360(17.5%)  360(17.5%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
--------------------------------------------------------
                               bfsub [15]         100.0%
[17]  150(7.3%)   150(7.3%)  ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
--------------------------------------------------------