Profiling results ----------------- Total cpu time observed: 13276ms (out of 13380ms) Number of samples taken: 56 (once every 237ms) ================================================================================ Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ================================================================================ ??? [11] 100.0% [1] 13276(100.0%) 0(0.0%) profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0 run [6] 100.0% -------------------------------------------------------------------------------- hash-ref! [38] 100.0% [2] 254(1.9%) 0(0.0%) parse-loop30 ...s/racket/match/compiler.rkt:418:15 map [7] 100.0% -------------------------------------------------------------------------------- hash-ref! [38] 100.0% [3] 252(1.9%) 0(0.0%) simplify ...bad-nightlies/src/core/reduce.rkt:16:0 f67 [10] 100.0% -------------------------------------------------------------------------------- hash-ref! [38] 100.0% [4] 252(1.9%) 0(0.0%) ??? ...ow-bad-nightlies/src/core/taylor.rkt:301:23 for-loop [9] 100.0% -------------------------------------------------------------------------------- ??? [88] 100.0% [5] 252(1.9%) 0(0.0%) approximate9 ...nightlies/src/core/taylor.rkt:12:0 loop [8] 100.0% -------------------------------------------------------------------------------- profile-thunk16 [1] 100.0% [6] 13276(100.0%) 0(0.0%) run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2 ??? [11] 100.0% -------------------------------------------------------------------------------- parse-loop30 [2] 100.0% [7] 254(1.9%) 0(0.0%) map ...t-7.5/collects/racket/private/map.rkt:35:13 hash-ref! [38] 100.0% -------------------------------------------------------------------------------- approximate9 [5] 100.0% [8] 252(1.9%) 0(0.0%) loop ...how-bad-nightlies/src/core/taylor.rkt:87:4 ??? [88] 100.0% -------------------------------------------------------------------------------- ??? [4] 100.0% [9] 252(1.9%) 0(0.0%) for-loop ...d-nightlies/src/core/taylor.rkt:304:27 hash-ref! [38] 100.0% -------------------------------------------------------------------------------- simplify [3] 100.0% [10] 252(1.9%) 0(0.0%) f67 ...5/collects/racket/match/compiler.rkt:507:40 eval-const-expr [12] 100.0% -------------------------------------------------------------------------------- for-loop [69] 0.6% for-loop [95] 1.3% run [6] 49.1% [11] 13276(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [1] 49.1% run-improve47 [13] 41.6% prepare-points-intervals [14] 6.1% errors [90] 1.4% ??? [24] 1.3% eval-const-expr [12] 0.6% -------------------------------------------------------------------------------- ??? [11] 48.8% f67 [10] 51.2% [12] 492(3.7%) 0(0.0%) eval-const-expr ...ightlies/src/programs.rkt:118:0 temp85_0 [15] 100.0% -------------------------------------------------------------------------------- ??? [11] 100.0% [13] 11236(84.6%) 0(0.0%) run-improve47 ...-nightlies/src/mainloop.rkt:346:0 for-loop [16] 93.9% simplify! [23] 6.1% -------------------------------------------------------------------------------- ??? [11] 100.0% [14] 1608(12.1%) 0(0.0%) prepare-points-intervals ...s/src/points.rkt:110:0 loop [17] 100.0% -------------------------------------------------------------------------------- eval-const-expr [12] 100.0% [15] 492(3.7%) 0(0.0%) temp85_0 (unknown source) compile15 [18] 100.0% -------------------------------------------------------------------------------- run-improve47 [13] 100.0% [16] 10550(79.5%) 0(0.0%) for-loop ...w-bad-nightlies/src/mainloop.rkt:365:4 run-iter! [19] 100.0% -------------------------------------------------------------------------------- prepare-points-intervals [14] 100.0% [17] 1608(12.1%) 0(0.0%) loop ...ie/show-bad-nightlies/src/points.rkt:123:4 loop [20] 71.0% ??? [22] 29.0% -------------------------------------------------------------------------------- temp85_0 [15] 100.0% [18] 492(3.7%) 0(0.0%) compile15 (unknown source) temp91_0 [21] 100.0% -------------------------------------------------------------------------------- for-loop [16] 100.0% [19] 10550(79.5%) 0(0.0%) run-iter! ...-bad-nightlies/src/mainloop.rkt:327:0 simplify! [23] 92.4% finalize-iter! [25] 2.8% localize! [26] 2.4% gen-series! [27] 2.4% -------------------------------------------------------------------------------- loop [17] 100.0% [20] 1142(8.6%) 0(0.0%) loop ...bie/show-bad-nightlies/src/points.rkt:81:2 ??? [24] 81.8% ??? [72] 18.2% -------------------------------------------------------------------------------- compile15 [18] 100.0% [21] 492(3.7%) 0(0.0%) temp91_0 (unknown source) compile-top9 [28] 51.2% temp118_0 [29] 48.8% -------------------------------------------------------------------------------- loop [17] 100.0% [22] 466(3.5%) 238(1.8%) ??? ...bie/show-bad-nightlies/src/points.rkt:106:2 ??? [88] 48.9% -------------------------------------------------------------------------------- run-improve47 [13] 6.6% run-iter! [19] 93.4% [23] 10438(78.6%) 0(0.0%) simplify! ...-bad-nightlies/src/mainloop.rkt:224:0 ??? [30] 100.0% -------------------------------------------------------------------------------- ??? [11] 35.0% loop [20] 65.0% [24] 1438(10.8%) 0(0.0%) ??? ...e/show-bad-nightlies/src/programs.rkt:115:2 ??? [31] 65.0% ??? [32] 20.3% ??? [88] 14.7% -------------------------------------------------------------------------------- run-iter! [19] 100.0% [25] 292(2.2%) 0(0.0%) finalize-iter! ...nightlies/src/mainloop.rkt:278:0 ??? [72] 100.0% -------------------------------------------------------------------------------- run-iter! [19] 100.0% [26] 254(1.9%) 0(0.0%) localize! ...-bad-nightlies/src/mainloop.rkt:127:0 localize-error [33] 100.0% -------------------------------------------------------------------------------- run-iter! [19] 100.0% [27] 252(1.9%) 0(0.0%) gen-series! ...ad-nightlies/src/mainloop.rkt:160:0 for-loop [34] 100.0% -------------------------------------------------------------------------------- temp91_0 [21] 100.0% [28] 252(1.9%) 0(0.0%) compile-top9 (unknown source) compile-forms33 [35] 100.0% -------------------------------------------------------------------------------- temp91_0 [21] 100.0% [29] 240(1.8%) 0(0.0%) temp118_0 (unknown source) expand-capturing-lifts [36] 100.0% -------------------------------------------------------------------------------- simplify! [23] 100.0% [30] 10438(78.6%) 0(0.0%) ??? ...ow-bad-nightlies/src/core/simplify.rkt:31:0 for-loop [37] 100.0% -------------------------------------------------------------------------------- ??? [24] 100.0% [31] 934(7.0%) 448(3.4%) ??? ...tract/private/arrow-higher-order.rkt:379:33 ival-div [39] 52.0% -------------------------------------------------------------------------------- ??? [24] 100.0% [32] 292(2.2%) 292(2.2%) ??? ...-bad-nightlies/src/syntax/syntax.rkt:214:17 -------------------------------------------------------------------------------- localize! [26] 100.0% [33] 254(1.9%) 0(0.0%) localize-error ...tlies/src/core/localize.rkt:66:0 hash-ref! [38] 100.0% -------------------------------------------------------------------------------- gen-series! [27] 100.0% [34] 252(1.9%) 0(0.0%) for-loop ...w-bad-nightlies/src/mainloop.rkt:167:7 taylor-alt [40] 100.0% -------------------------------------------------------------------------------- compile-top9 [28] 100.0% [35] 252(1.9%) 0(0.0%) compile-forms33 (unknown source) for-loop [53] 100.0% -------------------------------------------------------------------------------- temp118_0 [29] 100.0% [36] 240(1.8%) 0(0.0%) expand-capturing-lifts (unknown source) lambda-clause-expander [41] 100.0% -------------------------------------------------------------------------------- ??? [30] 100.0% [37] 10438(78.6%) 0(0.0%) for-loop ...d-nightlies/src/core/simplify.rkt:51:2 ??? [42] 93.6% precompute-phase [47] 2.3% for-loop [49] 2.1% loop [50] 2.0% -------------------------------------------------------------------------------- localize-error [33] 12.5% for-loop [9] 16.6% ??? [45] 16.6% ??? [88] 16.6% map [7] 37.6% [38] 506(3.8%) 0(0.0%) hash-ref! .../racket/private/more-scheme.rkt:376:2 parse-loop30 [2] 37.6% ??? [45] 16.6% ??? [4] 16.6% simplify [3] 16.6% ??? [44] 12.5% -------------------------------------------------------------------------------- ??? [31] 100.0% [39] 486(3.7%) 0(0.0%) ival-div ...ad-nightlies/src/biginterval.rkt:155:0 bfdiv [43] 100.0% -------------------------------------------------------------------------------- for-loop [34] 100.0% [40] 252(1.9%) 0(0.0%) taylor-alt ...bad-nightlies/src/mainloop.rkt:146:0 for-loop [46] 100.0% -------------------------------------------------------------------------------- expand-capturing-lifts [36] 100.0% [41] 240(1.8%) 0(0.0%) lambda-clause-expander (unknown source) finish-bodys [48] 100.0% -------------------------------------------------------------------------------- for-loop [37] 100.0% [42] 9772(73.6%) 0(0.0%) ??? ...ow-bad-nightlies/src/core/simplify.rkt:92:0 find-matches [51] 64.4% for-loop [52] 35.6% -------------------------------------------------------------------------------- ival-div [39] 100.0% [43] 486(3.7%) 274(2.1%) bfdiv ...-lib/math/private/bigfloat/mpfr.rkt:835:4 new-mpfr [103] 43.6% -------------------------------------------------------------------------------- hash-ref! [38] 100.0% [44] 254(1.9%) 0(0.0%) ??? ...w-bad-nightlies/src/core/localize.rkt:23:13 loop [81] 100.0% -------------------------------------------------------------------------------- hash-ref! [38] 100.0% [45] 252(1.9%) 0(0.0%) ??? ...how-bad-nightlies/src/core/taylor.rkt:45:15 hash-ref! [38] 100.0% -------------------------------------------------------------------------------- taylor-alt [40] 100.0% [46] 252(1.9%) 0(0.0%) for-loop ...w-bad-nightlies/src/mainloop.rkt:152:6 ??? [88] 100.0% -------------------------------------------------------------------------------- for-loop [37] 100.0% [47] 240(1.8%) 0(0.0%) precompute-phase ...es/src/core/simplify.rkt:101:0 for-loop [54] 100.0% -------------------------------------------------------------------------------- lambda-clause-expander [41] 33.3% for-loop [53] 66.7% [48] 240(1.8%) 0(0.0%) finish-bodys (unknown source) for-loop [53] 100.0% -------------------------------------------------------------------------------- for-loop [37] 100.0% [49] 218(1.6%) 0(0.0%) for-loop ...d-nightlies/src/core/simplify.rkt:59:4 prune-phase [55] 100.0% -------------------------------------------------------------------------------- for-loop [37] 100.0% [50] 208(1.6%) 0(0.0%) loop ...bad-nightlies/src/core/extraction.rkt:25:2 for-loop [56] 100.0% -------------------------------------------------------------------------------- ??? [42] 100.0% [51] 6290(47.4%) 0(0.0%) find-matches ...ghtlies/src/core/simplify.rkt:84:0 for-loop [57] 100.0% -------------------------------------------------------------------------------- ??? [42] 100.0% [52] 3482(26.2%) 0(0.0%) for-loop ...d-nightlies/src/core/simplify.rkt:93:2 for-loop [58] 100.0% -------------------------------------------------------------------------------- for-loop [53] 12.2% finish-bodys [48] 36.6% compile-forms33 [35] 51.2% [53] 492(3.7%) 0(0.0%) for-loop (unknown source) compile-module-linklet57 [59] 51.2% finish-bodys [48] 24.4% for-loop [53] 12.2% expand-implicit [60] 12.2% -------------------------------------------------------------------------------- precompute-phase [47] 100.0% [54] 240(1.8%) 0(0.0%) for-loop ...-nightlies/src/core/simplify.rkt:102:2 set-precompute! [61] 100.0% -------------------------------------------------------------------------------- for-loop [49] 100.0% [55] 218(1.6%) 0(0.0%) prune-phase ...ghtlies/src/core/simplify.rkt:106:0 for-loop [62] 100.0% -------------------------------------------------------------------------------- loop [50] 100.0% [56] 208(1.6%) 0(0.0%) for-loop ...nightlies/src/core/extraction.rkt:29:4 for-loop [63] 100.0% -------------------------------------------------------------------------------- for-loop [57] 48.3% find-matches [51] 51.7% [57] 6290(47.4%) 416(3.1%) for-loop ...d-nightlies/src/core/simplify.rkt:86:8 for-loop [57] 48.3% match-e [64] 46.7% -------------------------------------------------------------------------------- for-loop [52] 100.0% [58] 3482(26.2%) 0(0.0%) for-loop ...d-nightlies/src/core/simplify.rkt:96:4 merge-egraph-nodes! [65] 70.2% dedup-children! [66] 14.5% mk-enode-rec! [67] 8.3% pattern-substitute [68] 7.1% -------------------------------------------------------------------------------- for-loop [53] 100.0% [59] 252(1.9%) 252(1.9%) compile-module-linklet57 (unknown source) -------------------------------------------------------------------------------- for-loop [53] 100.0% [60] 240(1.8%) 240(1.8%) expand-implicit (unknown source) -------------------------------------------------------------------------------- for-loop [54] 100.0% [61] 240(1.8%) 0(0.0%) set-precompute! ...ies/src/core/simplify.rkt:110:0 for-loop [69] 100.0% -------------------------------------------------------------------------------- prune-phase [55] 100.0% [62] 218(1.6%) 0(0.0%) for-loop ...-nightlies/src/core/simplify.rkt:107:2 update-leader! [71] 100.0% -------------------------------------------------------------------------------- for-loop [56] 100.0% [63] 208(1.6%) 208(1.6%) for-loop ...ightlies/src/core/extraction.rkt:37:16 -------------------------------------------------------------------------------- for-loop [79] 27.2% for-loop [57] 72.8% [64] 5874(44.2%) 716(5.4%) match-e ...-bad-nightlies/src/core/ematch.rkt:39:0 for-loop [70] 81.8% make-sequence [74] 8.1% ??? [72] 1.7% variable? [78] 1.2% -------------------------------------------------------------------------------- for-loop [77] 3.2% merge-egraph-nodes! [65] 8.2% for-loop [58] 88.6% [65] 2444(18.4%) 0(0.0%) merge-egraph-nodes! ...s/src/core/egraph.rkt:145:0 update-leader! [71] 43.5% loop! [89] 25.9% for-loop [75] 19.1% merge-egraph-nodes! [65] 8.2% for-loop [77] 3.2% -------------------------------------------------------------------------------- for-loop [58] 100.0% [66] 504(3.8%) 0(0.0%) dedup-children! ...htlies/src/core/enode.rkt:202:0 loop [73] 100.0% -------------------------------------------------------------------------------- for-loop [58] 100.0% [67] 288(2.2%) 0(0.0%) mk-enode-rec! ...ghtlies/src/core/egraph.rkt:117:0 new-enode [76] 100.0% -------------------------------------------------------------------------------- pattern-substitute [68] 50.0% for-loop [58] 50.0% [68] 246(1.9%) 246(1.9%) pattern-substitute ...es/src/core/matcher.rkt:46:0 pattern-substitute [68] 50.0% -------------------------------------------------------------------------------- set-precompute! [61] 100.0% [69] 240(1.8%) 0(0.0%) for-loop ...-nightlies/src/core/simplify.rkt:112:2 ??? [11] 100.0% -------------------------------------------------------------------------------- match-e [64] 100.0% [70] 5192(39.1%) 2060(15.5%) for-loop ...ad-nightlies/src/core/ematch.rkt:52:11 for-loop [79] 38.3% loop [81] 9.7% do-curry [82] 8.9% cartesian-product [83] 6.8% procedure-reduce-keyword-arity-mask [84] 6.0% -------------------------------------------------------------------------------- for-loop [62] 15.5% merge-egraph-nodes! [65] 84.5% [71] 1402(10.6%) 0(0.0%) update-leader! ...htlies/src/core/egraph.rkt:213:0 for-loop [80] 100.0% -------------------------------------------------------------------------------- loop [20] 26.1% finalize-iter! [25] 36.6% match-e [64] 37.3% [72] 798(6.0%) 506(3.8%) ??? ...contract/private/arrow-val-first.rkt:486:18 for-loop [85] 36.6% -------------------------------------------------------------------------------- dedup-children! [66] 13.0% loop [73] 87.0% [73] 504(3.8%) 504(3.8%) loop ...racket-7.5/collects/racket/list.rkt:434:17 loop [73] 87.0% -------------------------------------------------------------------------------- match-e [64] 100.0% [74] 474(3.6%) 474(3.6%) make-sequence ...ects/racket/private/for.rkt:533:2 -------------------------------------------------------------------------------- merge-egraph-nodes! [65] 100.0% [75] 468(3.5%) 230(1.7%) for-loop ...show-bad-nightlies/src/common.rkt:62:9 update-en-expr [107] 50.9% -------------------------------------------------------------------------------- mk-enode-rec! [67] 100.0% [76] 288(2.2%) 0(0.0%) new-enode ...ad-nightlies/src/core/enode.rkt:101:0 type-of-enode-expr [86] 100.0% -------------------------------------------------------------------------------- merge-egraph-nodes! [65] 100.0% [77] 238(1.8%) 0(0.0%) for-loop ...ad-nightlies/src/core/egraph.rkt:199:4 merge-egraph-nodes! [65] 100.0% -------------------------------------------------------------------------------- match-e [64] 100.0% [78] 208(1.6%) 0(0.0%) variable? ...nightlies/src/syntax/syntax.rkt:729:0 value? [87] 100.0% -------------------------------------------------------------------------------- for-loop [70] 100.0% [79] 2892(21.8%) 0(0.0%) for-loop ...ad-nightlies/src/core/ematch.rkt:58:37 match-e [64] 100.0% -------------------------------------------------------------------------------- update-leader! [71] 100.0% [80] 1402(10.6%) 0(0.0%) for-loop ...ad-nightlies/src/core/egraph.rkt:218:6 hash-update! [94] 50.8% for-loop [91] 49.2% -------------------------------------------------------------------------------- ??? [44] 0.3% loop! [89] 4.0% for-loop [70] 30.9% loop [81] 64.8% [81] 1306(9.8%) 206(1.6%) loop ...-7.5/collects/racket/private/map.rkt:40:19 loop [81] 64.8% foldl [92] 23.0% loop! [89] 4.0% ??? [88] 0.3% -------------------------------------------------------------------------------- for-loop [70] 100.0% [82] 716(5.4%) 716(5.4%) do-curry ...-7.5/collects/racket/function.rkt:71:2 -------------------------------------------------------------------------------- for-loop [70] 100.0% [83] 480(3.6%) 480(3.6%) cartesian-product ...ollects/racket/list.rkt:822:0 -------------------------------------------------------------------------------- for-loop [70] 100.0% [84] 416(3.1%) 416(3.1%) procedure-reduce-keyword-arity-mask ....rkt:1597:4 -------------------------------------------------------------------------------- ??? [72] 100.0% [85] 292(2.2%) 0(0.0%) for-loop ...-nightlies/src/core/alt-table.rkt:55:2 errors [90] 100.0% -------------------------------------------------------------------------------- new-enode [76] 100.0% [86] 288(2.2%) 0(0.0%) type-of-enode-expr ...lies/src/core/enode.rkt:66:0 table-ref [93] 100.0% -------------------------------------------------------------------------------- variable? [78] 100.0% [87] 208(1.6%) 208(1.6%) value? ...-bad-nightlies/src/syntax/types.rkt:18:0 -------------------------------------------------------------------------------- loop [8] 8.9% location-do [100] 8.9% for-loop [46] 8.9% ??? [24] 22.4% ??? [22] 24.1% loop [81] 26.8% [88] 946(7.1%) 212(1.6%) ??? ...tract/private/arrow-higher-order.rkt:375:33 bf [99] 26.8% sample-multi-bounded [101] 24.1% location-do [100] 8.9% approximate9 [5] 8.9% hash-ref! [38] 8.9% -------------------------------------------------------------------------------- loop [81] 34.5% merge-egraph-nodes! [65] 65.5% [89] 792(6.0%) 246(1.9%) loop! ...ow-bad-nightlies/src/core/enode.rkt:194:2 loop [81] 34.5% set [96] 34.5% -------------------------------------------------------------------------------- for-loop [85] 40.3% ??? [11] 59.7% [90] 724(5.5%) 0(0.0%) errors .../show-bad-nightlies/src/points.rkt:201:0 for-loop [95] 100.0% -------------------------------------------------------------------------------- for-loop [80] 100.0% [91] 690(5.2%) 0(0.0%) for-loop ...ad-nightlies/src/core/egraph.rkt:219:8 hash-update! [94] 100.0% -------------------------------------------------------------------------------- loop [81] 100.0% [92] 300(2.3%) 0(0.0%) foldl ....5/collects/racket/private/list.rkt:229:4 merge2 [97] 100.0% -------------------------------------------------------------------------------- type-of-enode-expr [86] 100.0% [93] 288(2.2%) 0(0.0%) table-ref ...how-bad-nightlies/src/common.rkt:33:0 assoc-iterate-first [98] 100.0% -------------------------------------------------------------------------------- for-loop [91] 49.2% for-loop [80] 50.8% [94] 1402(10.6%) 0(0.0%) hash-update! ...cket/private/more-scheme.rkt:365:4 ??? [102] 100.0% -------------------------------------------------------------------------------- errors [90] 100.0% [95] 724(5.5%) 220(1.7%) for-loop ...how-bad-nightlies/src/points.rkt:203:2 ??? [11] 69.6% -------------------------------------------------------------------------------- loop! [89] 100.0% [96] 546(4.1%) 546(4.1%) set ...collects/racket/private/set-types.rkt:992:0 -------------------------------------------------------------------------------- foldl [92] 100.0% [97] 300(2.3%) 300(2.3%) merge2 ...w-bad-nightlies/src/core/ematch.rkt:24:0 -------------------------------------------------------------------------------- table-ref [93] 100.0% [98] 288(2.2%) 288(2.2%) assoc-iterate-first ...cket/private/dict.rkt:166:0 -------------------------------------------------------------------------------- ??? [88] 100.0% [99] 254(1.9%) 0(0.0%) bf ...ath-lib/math/private/bigfloat/mpfr.rkt:615:2 new-mpfr [103] 100.0% -------------------------------------------------------------------------------- ??? [88] 100.0% [100] 252(1.9%) 0(0.0%) location-do ...bad-nightlies/src/programs.rkt:64:0 ??? [88] 100.0% -------------------------------------------------------------------------------- ??? [88] 100.0% [101] 228(1.7%) 0(0.0%) sample-multi-bounded ...htlies/src/points.rkt:15:0 random-ranges [104] 100.0% -------------------------------------------------------------------------------- hash-update! [94] 100.0% [102] 1402(10.6%) 0(0.0%) ??? ...ow-bad-nightlies/src/core/egraph.rkt:221:24 for-loop [105] 100.0% -------------------------------------------------------------------------------- bfdiv [43] 45.5% bf [99] 54.5% [103] 466(3.5%) 466(3.5%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0 -------------------------------------------------------------------------------- sample-multi-bounded [101] 100.0% [104] 228(1.7%) 0(0.0%) random-ranges ...ad-nightlies/src/common.rkt:171:0 build--> [106] 100.0% -------------------------------------------------------------------------------- ??? [102] 100.0% [105] 1402(10.6%) 1198(9.0%) for-loop ...d-nightlies/src/core/egraph.rkt:222:26 update-en-expr [107] 14.6% -------------------------------------------------------------------------------- random-ranges [104] 100.0% [106] 228(1.7%) 0(0.0%) build--> ...act/private/arrow-val-first.rkt:1214:0 chaperone-contract? [108] 100.0% -------------------------------------------------------------------------------- for-loop [105] 46.2% for-loop [75] 53.8% [107] 442(3.3%) 442(3.3%) update-en-expr ...htlies/src/core/egraph.rkt:207:0 -------------------------------------------------------------------------------- build--> [106] 100.0% [108] 228(1.7%) 228(1.7%) chaperone-contract? ...ract/private/guts.rkt:135:0 --------------------------------------------------------------------------------