Profiling results
-----------------
  Total cpu time observed: 840ms (out of 984ms)
  Number of samples taken: 5 (once every 168ms)

==================================================================
                              Caller
 Idx  Total       Self      Name+src                        Local%
      ms(pct)     ms(pct)     Callee
==================================================================
 [1] 840(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [2]           100.0%
------------------------------------------------------------------
                              ??? [1]                       100.0%
 [2] 840(100.0%)   0(0.0%)  profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0
                              run [3]                       100.0%
------------------------------------------------------------------
                              profile-thunk16 [2]           100.0%
 [3] 840(100.0%)   0(0.0%)  run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2
                              .../more-scheme.rkt:261:28 [4]100.0%
------------------------------------------------------------------
                              run [3]                       100.0%
 [4] 840(100.0%)   0(0.0%)  .../more-scheme.rkt:261:28 (unknown source)
                              run-improve47 [5]             100.0%
------------------------------------------------------------------
                              .../more-scheme.rkt:261:28 [4]100.0%
 [5] 840(100.0%)   0(0.0%)  run-improve47 ...mpler-alts/src/mainloop.rkt:365:0
                              prepare-points-intervals [6]  100.0%
------------------------------------------------------------------
                              run-improve47 [5]             100.0%
 [6] 840(100.0%)   0(0.0%)  prepare-points-intervals ...s/src/points.rkt:122:0
                              loop [7]                      100.0%
------------------------------------------------------------------
                              prepare-points-intervals [6]  100.0%
 [7] 840(100.0%)   0(0.0%)  loop ...s/herbie/simpler-alts/src/points.rkt:134:4
                              loop [8]                      100.0%
------------------------------------------------------------------
                              loop [7]                      100.0%
 [8] 840(100.0%)   0(0.0%)  loop ...es/herbie/simpler-alts/src/points.rkt:79:2
                              ??? [9]                        80.0%
                              ??? [10]                       20.0%
------------------------------------------------------------------
                              loop [8]                      100.0%
 [9] 672(80.0%)  152(18.1%) ??? ...tract/private/arrow-higher-order.rkt:379:33
                              ival-add [11]                  50.3%
                              ival-sqrt [12]                 27.1%
------------------------------------------------------------------
                              loop [8]                      100.0%
[10] 168(20.0%)  168(20.0%) ??? ...contract/private/arrow-val-first.rkt:486:18
------------------------------------------------------------------
                              ??? [9]                       100.0%
[11] 338(40.2%)    0(0.0%)  ival-add ...simpler-alts/src/biginterval.rkt:111:0
                              bfadd [13]                    100.0%
------------------------------------------------------------------
                              ??? [9]                       100.0%
[12] 182(21.7%)    0(0.0%)  ival-sqrt ...impler-alts/src/biginterval.rkt:205:0
                              bfsqrt [14]                   100.0%
------------------------------------------------------------------
                              ival-add [11]                 100.0%
[13] 338(40.2%)    0(0.0%)  bfadd ...-lib/math/private/bigfloat/mpfr.rkt:835:4
                              new-mpfr [16]                  54.4%
                              ??? [15]                       45.6%
------------------------------------------------------------------
                              ival-sqrt [12]                100.0%
[14] 182(21.7%)    0(0.0%)  bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:632:4
                              ??? [15]                      100.0%
------------------------------------------------------------------
                              bfadd [13]                     45.8%
                              bfsqrt [14]                    54.2%
[15] 336(40.0%)  336(40.0%) ??? /opt/racket-7.5/collects/ffi/unsafe.rkt:938:4
------------------------------------------------------------------
                              bfadd [13]                    100.0%
[16] 184(21.9%)  184(21.9%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0
------------------------------------------------------------------