Profiling results
-----------------
  Total cpu time observed: 2276ms (out of 2500ms)
  Number of samples taken: 9 (once every 253ms)

=========================================================
                                Caller
 Idx   Total        Self      Name+src             Local%
       ms(pct)      ms(pct)     Callee
=========================================================
                                ??? [3]            100.0%
 [1] 2276(100.0%)    0(0.0%)  profile-thunk16 ...t/pkgs/profile-lib/main.rkt:9:0
                                run [2]            100.0%
---------------------------------------------------------
                                profile-thunk16 [1]100.0%
 [2] 2276(100.0%)    0(0.0%)  run ...share/racket/pkgs/profile-lib/main.rkt:39:2
                                ??? [3]            100.0%
---------------------------------------------------------
                                run [2]             50.0%
 [3] 2276(100.0%)    0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                                profile-thunk16 [1] 50.0%
                                prepare-points [4]  46.1%
                                run-improve50 [5]    3.9%
---------------------------------------------------------
                                ??? [3]            100.0%
 [4] 2100(92.3%)     0(0.0%)  prepare-points ...alt-testing/src/points.rkt:214:0
                                loop [6]            62.0%
                                loop [8]            19.7%
                                make-exacts* [9]    18.3%
---------------------------------------------------------
                                ??? [3]            100.0%
 [5]  176(7.7%)      0(0.0%)  run-improve50 ...lt-testing/src/mainloop.rkt:225:0
                                ??? [7]            100.0%
---------------------------------------------------------
                                prepare-points [4] 100.0%
 [6] 1302(57.2%)     0(0.0%)  loop ...es/herbie/alt-testing/src/points.rkt:158:2
                                loop [8]            51.5%
                                make-exacts* [9]    48.5%
---------------------------------------------------------
                                run-improve50 [5]  100.0%
 [7]  176(7.7%)      0(0.0%)  ??? ...contract/private/arrow-val-first.rkt:357:18
                                atab-add-altns [10]100.0%
---------------------------------------------------------
                                prepare-points [4]  38.2%
                                loop [6]            61.8%
 [8] 1084(47.6%)     0(0.0%)  loop ...es/herbie/alt-testing/src/points.rkt:141:4
                                loop [11]          100.0%
---------------------------------------------------------
                                prepare-points [4]  37.8%
                                loop [6]            62.2%
 [9] 1016(44.6%)     0(0.0%)  make-exacts* ...e/alt-testing/src/points.rkt:138:0
                                loop [11]          100.0%
---------------------------------------------------------
                                ??? [7]            100.0%
[10]  176(7.7%)      0(0.0%)  atab-add-altns ...ting/src/core/alt-table.rkt:51:0
                                atab-add-altn [12] 100.0%
---------------------------------------------------------
                                make-exacts* [9]     0.1%
                                loop [8]            10.8%
                                loop [11]           89.1%
[11] 2100(92.3%)     0(0.0%)  loop ...cket/collects/racket/private/map.rkt:25:19
                                loop [11]           89.1%
                                ??? [13]            10.9%
---------------------------------------------------------
                                atab-add-altns [10]100.0%
[12]  176(7.7%)    176(7.7%)  atab-add-altn ...ting/src/core/alt-table.rkt:243:0
---------------------------------------------------------
                                loop [11]          100.0%
[13] 2100(92.3%)     0(0.0%)  ??? ...s/herbie/alt-testing/src/programs.rkt:156:4
                                ??? [14]            70.5%
                                ??? [15]            29.5%
---------------------------------------------------------
                                ??? [13]           100.0%
[14] 1480(65.0%)   174(7.6%)  ??? ...contract/private/../../private/kw.rkt:761:9
                                real->bigfloat [16] 88.2%
---------------------------------------------------------
                                ??? [13]           100.0%
[15]  620(27.2%)   170(7.5%)  ??? ...acket/collects/racket/private/kw.rkt:444:14
                                ??? [17]            72.6%
---------------------------------------------------------
                                ??? [14]           100.0%
[16] 1306(57.4%)  1108(48.7%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0
                                ??? [19]            15.2%
---------------------------------------------------------
                                ??? [15]           100.0%
[17]  450(19.8%)     0(0.0%)  ??? ...-racket/utils/simple-result-arrow.rkt:39:12
                                bfsub [18]         100.0%
---------------------------------------------------------
                                ??? [17]           100.0%
[18]  450(19.8%)   450(19.8%) bfsub ...-lib/math/private/bigfloat/mpfr.rkt:819:4
---------------------------------------------------------
                                real->bigfloat [16]100.0%
[19]  198(8.7%)    198(8.7%)  ??? .../share/racket/collects/ffi/unsafe.rkt:861:4
---------------------------------------------------------