Profiling results
-----------------
  Total cpu time observed: 1594ms (out of 1956ms)
  Number of samples taken: 5 (once every 319ms)

========================================================
                               Caller
 Idx   Total       Self      Name+src             Local%
       ms(pct)     ms(pct)     Callee
========================================================
                               ??? [3]            100.0%
 [1] 1594(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] 1594(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] 1594(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] 1594(100.0%)   0(0.0%)  run-improve47 ...bie/master/src/mainloop.rkt:342:0
                               prepare-points [5] 100.0%
--------------------------------------------------------
                               run-improve47 [4]  100.0%
 [5] 1594(100.0%)   0(0.0%)  prepare-points ...rbie/master/src/points.rkt:146:0
                               loop [6]           100.0%
--------------------------------------------------------
                               prepare-points [5] 100.0%
 [6] 1594(100.0%)   0(0.0%)  loop ...ghtlies/herbie/master/src/points.rkt:122:4
                               loop [7]           100.0%
--------------------------------------------------------
                               loop [6]           100.0%
 [7] 1594(100.0%)   0(0.0%)  loop ...ightlies/herbie/master/src/points.rkt:81:2
                               ??? [8]            100.0%
--------------------------------------------------------
                               loop [7]           100.0%
 [8] 1594(100.0%)   0(0.0%)  ??? ...htlies/herbie/master/src/programs.rkt:108:2
                               ??? [9]            100.0%
--------------------------------------------------------
                               ??? [8]            100.0%
 [9] 1594(100.0%) 308(19.3%) ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                               ??? [10]            62.1%
                               ??? [11]            18.6%
--------------------------------------------------------
                               ??? [9]            100.0%
[10]  990(62.1%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:360:33
                               ival-pow [12]      100.0%
--------------------------------------------------------
                               ??? [9]            100.0%
[11]  296(18.6%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:364:33
                               ival-sub [13]      100.0%
--------------------------------------------------------
                               ??? [10]           100.0%
[12]  990(62.1%)  990(62.1%) ival-pow ...erbie/master/src/biginterval.rkt:216:0
--------------------------------------------------------
                               ??? [11]           100.0%
[13]  296(18.6%)    0(0.0%)  ival-sub ...erbie/master/src/biginterval.rkt:100:0
                               bfsub [14]         100.0%
--------------------------------------------------------
                               ival-sub [13]      100.0%
[14]  296(18.6%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               ??? [15]           100.0%
--------------------------------------------------------
                               bfsub [14]         100.0%
[15]  296(18.6%)  296(18.6%) ??? /opt/racket-7.2/collects/ffi/unsafe.rkt:905:4
--------------------------------------------------------