"warning- nodes of same pack"
Profiling results
-----------------
  Total cpu time observed: 392ms (out of 496ms)
  Number of samples taken: 2 (once every 196ms)

==================================================================
                              Caller
 Idx  Total       Self      Name+src                        Local%
      ms(pct)     ms(pct)     Callee
==================================================================
 [1] 392(100.0%)   0(0.0%)  ??? ...lects/racket/private/more-scheme.rkt:261:28
                              profile-thunk16 [2]           100.0%
------------------------------------------------------------------
                              ??? [1]                       100.0%
 [2] 392(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] 392(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] 392(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] 392(100.0%)   0(0.0%)  run-improve47 ...building-2/src/mainloop.rkt:346:0
                              for-loop [6]                  100.0%
------------------------------------------------------------------
                              run-improve47 [5]             100.0%
 [6] 392(100.0%)   0(0.0%)  for-loop ...ph-rebuilding-2/src/mainloop.rkt:365:4
                              run-iter! [7]                 100.0%
------------------------------------------------------------------
                              for-loop [6]                  100.0%
 [7] 392(100.0%)   0(0.0%)  run-iter! ...h-rebuilding-2/src/mainloop.rkt:327:0
                              simplify! [8]                  50.0%
                              gen-series! [9]                50.0%
------------------------------------------------------------------
                              run-iter! [7]                 100.0%
 [8] 196(50.0%)    0(0.0%)  simplify! ...h-rebuilding-2/src/mainloop.rkt:224:0
                              *simplify-rules* [10]         100.0%
------------------------------------------------------------------
                              run-iter! [7]                 100.0%
 [9] 196(50.0%)    0(0.0%)  gen-series! ...rebuilding-2/src/mainloop.rkt:160:0
                              for-loop [11]                 100.0%
------------------------------------------------------------------
                              simplify! [8]                 100.0%
[10] 196(50.0%)    0(0.0%)  *simplify-rules* ...g-2/src/syntax/rules.rkt:672:0
                              for-loop [12]                 100.0%
------------------------------------------------------------------
                              gen-series! [9]               100.0%
[11] 196(50.0%)    0(0.0%)  for-loop ...ph-rebuilding-2/src/mainloop.rkt:167:7
                              taylor-alt [13]               100.0%
------------------------------------------------------------------
                              *simplify-rules* [10]         100.0%
[12] 196(50.0%)    0(0.0%)  for-loop (unknown source)
                              ormap [14]                    100.0%
------------------------------------------------------------------
                              for-loop [11]                 100.0%
[13] 196(50.0%)    0(0.0%)  taylor-alt ...-rebuilding-2/src/mainloop.rkt:146:0
                              for-loop [15]                 100.0%
------------------------------------------------------------------
                              for-loop [12]                 100.0%
[14] 196(50.0%)    0(0.0%)  ormap ....5/collects/racket/private/map.rkt:141:13
                              flag-set? [16]                100.0%
------------------------------------------------------------------
                              taylor-alt [13]               100.0%
[15] 196(50.0%)    0(0.0%)  for-loop ...ph-rebuilding-2/src/mainloop.rkt:152:6
                              ??? [17]                      100.0%
------------------------------------------------------------------
                              ormap [14]                    100.0%
[16] 196(50.0%)  196(50.0%) flag-set? ...raph-rebuilding-2/src/config.rkt:28:0
------------------------------------------------------------------
                              location-do [18]               50.0%
                              for-loop [15]                  50.0%
[17] 196(50.0%)    0(0.0%)  ??? ...tract/private/arrow-higher-order.rkt:375:33
                              location-do [18]               50.0%
                              approximate9 [19]              50.0%
------------------------------------------------------------------
                              ??? [17]                      100.0%
[18] 196(50.0%)    0(0.0%)  location-do ...-rebuilding-2/src/programs.rkt:63:0
                              ??? [17]                      100.0%
------------------------------------------------------------------
                              ??? [17]                      100.0%
[19] 196(50.0%)    0(0.0%)  approximate9 ...uilding-2/src/core/taylor.rkt:11:0
                              for-loop [20]                 100.0%
------------------------------------------------------------------
                              approximate9 [19]             100.0%
[20] 196(50.0%)    0(0.0%)  for-loop ...rebuilding-2/src/core/taylor.rkt:29:18
                              taylor [21]                   100.0%
------------------------------------------------------------------
                              for-loop [20]                  16.7%
                              map [22]                       33.3%
                              taylor [21]                    50.0%
[21] 196(50.0%)  196(50.0%) taylor ...h-rebuilding-2/src/core/taylor.rkt:169:0
                              taylor [21]                    50.0%
                              map [22]                       33.3%
------------------------------------------------------------------
                              taylor [21]                   100.0%
[22] 196(50.0%)    0(0.0%)  map ...t-7.5/collects/racket/private/map.rkt:35:13
                              taylor [21]                   100.0%
------------------------------------------------------------------