Profiling results
-----------------
  Total cpu time observed: 1618ms (out of 1916ms)
  Number of samples taken: 5 (once every 324ms)

========================================================
                               Caller
 Idx   Total       Self      Name+src             Local%
       ms(pct)     ms(pct)     Callee
========================================================
                               ??? [3]            100.0%
 [1] 1618(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] 1618(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] 1618(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] 1618(100.0%)   0(0.0%)  run-improve47 .../js-tweaks/src/mainloop.rkt:342:0
                               prepare-points [5] 100.0%
--------------------------------------------------------
                               run-improve47 [4]  100.0%
 [5] 1618(100.0%)   0(0.0%)  prepare-points ...e/js-tweaks/src/points.rkt:146:0
                               loop [6]           100.0%
--------------------------------------------------------
                               prepare-points [5] 100.0%
 [6] 1618(100.0%)   0(0.0%)  loop ...lies/herbie/js-tweaks/src/points.rkt:122:4
                               loop [7]           100.0%
--------------------------------------------------------
                               loop [6]           100.0%
 [7] 1618(100.0%)   0(0.0%)  loop ...tlies/herbie/js-tweaks/src/points.rkt:81:2
                               ??? [8]            100.0%
--------------------------------------------------------
                               loop [7]           100.0%
 [8] 1618(100.0%)   0(0.0%)  ??? ...ies/herbie/js-tweaks/src/programs.rkt:108:2
                               ??? [9]            100.0%
--------------------------------------------------------
                               ??? [8]            100.0%
 [9] 1618(100.0%) 356(22.0%) ??? ...t-7.0/collects/racket/private/kw.rkt:592:14
                               ??? [10]            57.6%
                               ??? [11]            20.4%
--------------------------------------------------------
                               ??? [9]            100.0%
[10]  932(57.6%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:357:33
                               ival-pow [12]      100.0%
--------------------------------------------------------
                               ??? [9]            100.0%
[11]  330(20.4%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:361:33
                               ival-sub [13]      100.0%
--------------------------------------------------------
                               ??? [10]           100.0%
[12]  932(57.6%)  624(38.6%) ival-pow ...ie/js-tweaks/src/biginterval.rkt:216:0
                               bfsub [14]          33.0%
--------------------------------------------------------
                               ??? [11]           100.0%
[13]  330(20.4%)    0(0.0%)  ival-sub ...ie/js-tweaks/src/biginterval.rkt:100:0
                               bfsub [14]         100.0%
--------------------------------------------------------
                               ival-pow [12]       48.3%
                               ival-sub [13]       51.7%
[14]  638(39.4%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               ??? [15]            51.7%
                               new-mpfr [16]       48.3%
--------------------------------------------------------
                               bfsub [14]         100.0%
[15]  330(20.4%)  330(20.4%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4
--------------------------------------------------------
                               bfsub [14]         100.0%
[16]  308(19.0%)  308(19.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
--------------------------------------------------------