"warning- nodes of same pack"
Profiling results
-----------------
  Total cpu time observed: 1210ms (out of 1300ms)
  Number of samples taken: 6 (once every 202ms)

===================================================================
                               Caller
 Idx   Total       Self      Name+src                        Local%
       ms(pct)     ms(pct)     Callee
===================================================================
 [1] 1210(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                               profile-thunk16 [3]           100.0%
-------------------------------------------------------------------
                               .../more-scheme.rkt:261:28 [6]100.0%
 [2]  208(17.2%)    0(0.0%)  errors ...wards-no-duplicates/src/points.rkt:190:0
                               for-loop [4]                  100.0%
-------------------------------------------------------------------
                               ??? [1]                       100.0%
 [3] 1210(100.0%)   0(0.0%)  profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0
                               run [5]                       100.0%
-------------------------------------------------------------------
                               errors [2]                    100.0%
 [4]  208(17.2%)    0(0.0%)  for-loop ...rds-no-duplicates/src/points.rkt:192:2
                               .../more-scheme.rkt:261:28 [6]100.0%
-------------------------------------------------------------------
                               profile-thunk16 [3]           100.0%
 [5] 1210(100.0%)   0(0.0%)  run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2
                               .../more-scheme.rkt:261:28 [6]100.0%
-------------------------------------------------------------------
                               for-loop [4]                    8.6%
                               run [5]                        91.4%
 [6] 1210(100.0%)   0(0.0%)  .../more-scheme.rkt:261:28 (unknown source)
                               prepare-points-intervals [7]   66.3%
                               eval-errors [9]                16.5%
                               errors [2]                      8.6%
                               ??? [8]                         8.6%
-------------------------------------------------------------------
                               .../more-scheme.rkt:261:28 [6]100.0%
 [7]  802(66.3%)    0(0.0%)  prepare-points-intervals ...s/src/points.rkt:120:0
                               loop [10]                     100.0%
-------------------------------------------------------------------
                               .../more-scheme.rkt:261:28 [6]100.0%
 [8]  208(17.2%)  208(17.2%) ??? ...tract/private/arrow-higher-order.rkt:375:33
-------------------------------------------------------------------
                               .../more-scheme.rkt:261:28 [6]100.0%
 [9]  200(16.5%)    0(0.0%)  eval-errors ...-no-duplicates/src/points.rkt:168:0
                               for-loop [11]                 100.0%
-------------------------------------------------------------------
                               prepare-points-intervals [7]  100.0%
[10]  802(66.3%)    0(0.0%)  loop ...upwards-no-duplicates/src/points.rkt:132:4
                               loop [12]                     100.0%
-------------------------------------------------------------------
                               eval-errors [9]               100.0%
[11]  200(16.5%)  200(16.5%) for-loop ...rds-no-duplicates/src/points.rkt:170:2
-------------------------------------------------------------------
                               loop [10]                     100.0%
[12]  802(66.3%)    0(0.0%)  loop ...-upwards-no-duplicates/src/points.rkt:79:2
                               ??? [13]                      100.0%
-------------------------------------------------------------------
                               loop [12]                     100.0%
[13]  802(66.3%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:379:33
                               ival-add [14]                 100.0%
-------------------------------------------------------------------
                               ??? [13]                      100.0%
[14]  802(66.3%)    0(0.0%)  ival-add ...o-duplicates/src/biginterval.rkt:102:0
                               bfadd [15]                    100.0%
-------------------------------------------------------------------
                               ival-add [14]                 100.0%
[15]  802(66.3%)    0(0.0%)  bfadd ...-lib/math/private/bigfloat/mpfr.rkt:835:4
                               ??? [16]                       75.1%
                               new-mpfr [17]                  24.9%
-------------------------------------------------------------------
                               bfadd [15]                    100.0%
[16]  602(49.8%)  602(49.8%) ??? /opt/racket-7.5/collects/ffi/unsafe.rkt:938:4
-------------------------------------------------------------------
                               bfadd [15]                    100.0%
[17]  200(16.5%)  200(16.5%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0
-------------------------------------------------------------------