Profiling results
-----------------
  Total cpu time observed: 1792ms (out of 2076ms)
  Number of samples taken: 6 (once every 299ms)

=================================================================
                               Caller
 Idx   Total       Self      Name+src                      Local%
       ms(pct)     ms(pct)     Callee
=================================================================
                               ??? [3]                     100.0%
 [1] 1792(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] 1792(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] 1792(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] 1792(100.0%)   0(0.0%)  run-improve47 ...lid-values/src/mainloop.rkt:345:0
                               prepare-points-intervals [5]100.0%
-----------------------------------------------------------------
                               run-improve47 [4]           100.0%
 [5] 1792(100.0%)   0(0.0%)  prepare-points-intervals ...s/src/points.rkt:110:0
                               loop [6]                    100.0%
-----------------------------------------------------------------
                               prepare-points-intervals [5]100.0%
 [6] 1792(100.0%)   0(0.0%)  loop ...etter-no-valid-values/src/points.rkt:123:4
                               loop [7]                    100.0%
-----------------------------------------------------------------
                               loop [6]                    100.0%
 [7] 1792(100.0%)   0(0.0%)  loop ...better-no-valid-values/src/points.rkt:81:2
                               ??? [8]                      83.9%
                               ??? [18]                     16.1%
-----------------------------------------------------------------
                               loop [7]                    100.0%
 [8] 1504(83.9%)    0(0.0%)  ??? ...tter-no-valid-values/src/programs.rkt:115:2
                               ??? [9]                      80.7%
                               loop [10]                    19.3%
-----------------------------------------------------------------
                               ??? [8]                     100.0%
 [9] 1214(67.7%)    0(0.0%)  ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                               ??? [11]                    100.0%
-----------------------------------------------------------------
                               ??? [8]                     100.0%
[10]  290(16.2%)    0(0.0%)  loop ...-7.2/collects/racket/private/map.rkt:40:19
                               ??? [12]                    100.0%
-----------------------------------------------------------------
                               ??? [9]                     100.0%
[11] 1214(67.7%)  300(16.7%) ??? ...tract/private/arrow-higher-order.rkt:364:33
                               ival-sqrt [13]               51.4%
                               ival-sub [14]                23.9%
-----------------------------------------------------------------
                               loop [10]                   100.0%
[12]  290(16.2%)  290(16.2%) ??? ...tract/private/arrow-higher-order.rkt:360:33
-----------------------------------------------------------------
                               ??? [11]                    100.0%
[13]  624(34.8%)    0(0.0%)  ival-sqrt ...alid-values/src/biginterval.rkt:197:0
                               bfsqrt [15]                 100.0%
-----------------------------------------------------------------
                               ??? [11]                    100.0%
[14]  290(16.2%)    0(0.0%)  ival-sub ...-valid-values/src/biginterval.rkt:99:0
                               bfsub [16]                  100.0%
-----------------------------------------------------------------
                               ival-sqrt [13]              100.0%
[15]  624(34.8%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:618:4
                               new-mpfr [17]                50.0%
                               ??? [18]                     50.0%
-----------------------------------------------------------------
                               ival-sub [14]               100.0%
[16]  290(16.2%)    0(0.0%)  bfsub ...-lib/math/private/bigfloat/mpfr.rkt:821:4
                               new-mpfr [17]               100.0%
-----------------------------------------------------------------
                               bfsub [16]                   48.2%
                               bfsqrt [15]                  51.8%
[17]  602(33.6%)  602(33.6%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0
-----------------------------------------------------------------
                               loop [7]                     48.0%
                               bfsqrt [15]                  52.0%
[18]  600(33.5%)  600(33.5%) ??? /opt/racket-7.2/collects/ffi/unsafe.rkt:905:4
-----------------------------------------------------------------