Profiling results
-----------------
  Total cpu time observed: 504ms (out of 688ms)
  Number of samples taken: 2 (once every 252ms)

================================================================
                              Caller
 Idx  Total       Self      Name+src                      Local%
      ms(pct)     ms(pct)     Callee
================================================================
                              ??? [3]                     100.0%
 [1] 504(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] 504(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] 504(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] 504(100.0%)   0(0.0%)  run-improve47 ...bie/master/src/mainloop.rkt:345:0
                              prepare-points-intervals [5]100.0%
----------------------------------------------------------------
                              run-improve47 [4]           100.0%
 [5] 504(100.0%)   0(0.0%)  prepare-points-intervals ...r/src/points.rkt:110:0
                              loop [6]                    100.0%
----------------------------------------------------------------
                              prepare-points-intervals [5]100.0%
 [6] 504(100.0%)   0(0.0%)  loop ...ghtlies/herbie/master/src/points.rkt:123:4
                              andmap [7]                   50.0%
                              loop [8]                     50.0%
----------------------------------------------------------------
                              loop [6]                    100.0%
 [7] 252(50.0%)  252(50.0%) andmap ...2/collects/racket/private/map.rkt:102:13
----------------------------------------------------------------
                              loop [6]                    100.0%
 [8] 252(50.0%)    0(0.0%)  loop ...ightlies/herbie/master/src/points.rkt:81:2
                              ??? [9]                     100.0%
----------------------------------------------------------------
                              loop [8]                    100.0%
 [9] 252(50.0%)    0(0.0%)  ??? ...htlies/herbie/master/src/programs.rkt:115:2
                              ??? [10]                    100.0%
----------------------------------------------------------------
                              ??? [9]                     100.0%
[10] 252(50.0%)    0(0.0%)  ??? ...t-7.2/collects/racket/private/kw.rkt:594:14
                              ??? [11]                    100.0%
----------------------------------------------------------------
                              ??? [10]                    100.0%
[11] 252(50.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:364:33
                              ival-sqrt [12]              100.0%
----------------------------------------------------------------
                              ??? [11]                    100.0%
[12] 252(50.0%)    0(0.0%)  ival-sqrt ...rbie/master/src/biginterval.rkt:197:0
                              bfsqrt [13]                 100.0%
----------------------------------------------------------------
                              ival-sqrt [12]              100.0%
[13] 252(50.0%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:618:4
                              ??? [14]                    100.0%
----------------------------------------------------------------
                              bfsqrt [13]                 100.0%
[14] 252(50.0%)  252(50.0%) ??? /opt/racket-7.2/collects/ffi/unsafe.rkt:905:4
----------------------------------------------------------------