Profiling results
-----------------
  Total cpu time observed: 1844ms (out of 1968ms)
  Number of samples taken: 6 (once every 307ms)

========================================================
                               Caller
 Idx   Total       Self      Name+src             Local%
       ms(pct)     ms(pct)     Callee
========================================================
                               ??? [3]            100.0%
 [1] 1844(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] 1844(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] 1844(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] 1844(100.0%)   0(0.0%)  run-improve47 ...interface2/src/mainloop.rkt:345:0
                               prepare-points [5] 100.0%
--------------------------------------------------------
                               run-improve47 [4]  100.0%
 [5] 1844(100.0%)   0(0.0%)  prepare-points .../interface2/src/points.rkt:146:0
                               loop [6]           100.0%
--------------------------------------------------------
                               prepare-points [5] 100.0%
 [6] 1844(100.0%)   0(0.0%)  loop ...ies/herbie/interface2/src/points.rkt:122:4
                               loop [7]           100.0%
--------------------------------------------------------
                               loop [6]           100.0%
 [7] 1844(100.0%)   0(0.0%)  loop ...lies/herbie/interface2/src/points.rkt:81:2
                               ??? [8]            100.0%
--------------------------------------------------------
                               loop [7]           100.0%
 [8] 1844(100.0%)   0(0.0%)  ??? ...es/herbie/interface2/src/programs.rkt:115:2
                               ??? [9]            100.0%
--------------------------------------------------------
                               ??? [8]            100.0%
 [9] 1844(100.0%) 288(15.6%) ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                               ??? [10]            68.1%
                               ??? [11]            16.3%
--------------------------------------------------------
                               ??? [9]            100.0%
[10] 1256(68.1%)  298(16.2%) ??? ...tract/private/arrow-higher-order.rkt:364:33
                               ival-exp [12]       27.4%
                               ival-add [13]       25.5%
                               ival-sub [15]       23.4%
--------------------------------------------------------
                               ??? [9]            100.0%
[11]  300(16.3%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:360:33
                               ival-pow [14]      100.0%
--------------------------------------------------------
                               ??? [10]           100.0%
[12]  344(18.7%)    0(0.0%)  ival-exp ...e/interface2/src/biginterval.rkt:179:0
                               bfexp [16]         100.0%
--------------------------------------------------------
                               ??? [10]           100.0%
[13]  320(17.4%)    0(0.0%)  ival-add ...ie/interface2/src/biginterval.rkt:93:0
                               bfadd [17]         100.0%
--------------------------------------------------------
                               ??? [11]           100.0%
[14]  300(16.3%)  300(16.3%) ival-pow ...e/interface2/src/biginterval.rkt:215:0
--------------------------------------------------------
                               ??? [10]           100.0%
[15]  294(15.9%)  294(15.9%) ival-sub ...ie/interface2/src/biginterval.rkt:99:0
--------------------------------------------------------
                               ival-exp [12]      100.0%
[16]  344(18.7%)    0(0.0%)  bfexp ...-lib/math/private/bigfloat/mpfr.rkt:618:4
                               ??? [18]           100.0%
--------------------------------------------------------
                               ival-add [13]      100.0%
[17]  320(17.4%)    0(0.0%)  bfadd ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               new-mpfr [19]      100.0%
--------------------------------------------------------
                               bfexp [16]         100.0%
[18]  344(18.7%)  344(18.7%) ??? /opt/racket-7.2/collects/ffi/unsafe.rkt:905:4
--------------------------------------------------------
                               bfadd [17]         100.0%
[19]  320(17.4%)  320(17.4%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
--------------------------------------------------------