"warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" "warning- nodes of same pack" Profiling results ----------------- Total cpu time observed: 5588ms (out of 5772ms) Number of samples taken: 27 (once every 207ms) ====================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ====================================================================== [1] 5588(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [9] 100.0% ---------------------------------------------------------------------- ??? [72] 100.0% [2] 1408(25.2%) 0(0.0%) approximate9 ...uplicates/src/core/taylor.rkt:11:0 loop [10] 71.6% for-loop [15] 28.4% ---------------------------------------------------------------------- matcher [79] 100.0% [3] 654(11.7%) 240(4.3%) ??? ...s-no-duplicates/src/core/matcher.rkt:127:11 for-loop [12] 93.9% ---------------------------------------------------------------------- hash-ref! [24] 100.0% [4] 600(10.7%) 0(0.0%) ??? ...ds-no-duplicates/src/core/taylor.rkt:300:23 for-loop [13] 100.0% ---------------------------------------------------------------------- map [35] 100.0% [5] 402(7.2%) 0(0.0%) parse-loop74 (unknown source) eval-const-expr [11] 100.0% ---------------------------------------------------------------------- loop [61] 49.8% for-loop [60] 50.2% [6] 402(7.2%) 0(0.0%) syntax-e (unknown source) syntax-e/no-taint [14] 100.0% ---------------------------------------------------------------------- hash-ref! [24] 100.0% [7] 200(3.6%) 0(0.0%) ??? ...ds-no-duplicates/src/core/taylor.rkt:290:26 for-loop [16] 100.0% ---------------------------------------------------------------------- hash-ref! [24] 100.0% [8] 200(3.6%) 0(0.0%) ??? ...ds-no-duplicates/src/core/taylor.rkt:406:23 for-loop [17] 100.0% ---------------------------------------------------------------------- ??? [1] 100.0% [9] 5588(100.0%) 0(0.0%) profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0 run [18] 100.0% ---------------------------------------------------------------------- approximate9 [2] 100.0% [10] 1008(18.0%) 0(0.0%) loop ...rds-no-duplicates/src/core/taylor.rkt:86:4 hash-ref! [24] 100.0% ---------------------------------------------------------------------- f61 [66] 49.9% parse-loop74 [5] 50.1% [11] 802(14.4%) 0(0.0%) eval-const-expr ...plicates/src/programs.rkt:120:0 temp85_0 [19] 100.0% ---------------------------------------------------------------------- ??? [3] 100.0% [12] 654(11.7%) 0(0.0%) for-loop ...duplicates/src/core/matcher.rkt:129:15 matcher [79] 100.0% ---------------------------------------------------------------------- ??? [4] 100.0% [13] 600(10.7%) 0(0.0%) for-loop ...-duplicates/src/core/taylor.rkt:303:27 hash-ref! [24] 66.7% f40 [30] 33.3% ---------------------------------------------------------------------- syntax-e [6] 100.0% [14] 402(7.2%) 0(0.0%) syntax-e/no-taint (unknown source) loop [61] 100.0% ---------------------------------------------------------------------- approximate9 [2] 100.0% [15] 400(7.2%) 0(0.0%) for-loop ...o-duplicates/src/core/taylor.rkt:29:18 taylor [20] 50.0% taylor-quotient [21] 50.0% ---------------------------------------------------------------------- ??? [7] 100.0% [16] 200(3.6%) 0(0.0%) for-loop ...-duplicates/src/core/taylor.rkt:290:52 ??? [22] 50.0% hash-ref! [24] 50.0% ---------------------------------------------------------------------- ??? [8] 100.0% [17] 200(3.6%) 0(0.0%) for-loop ...-duplicates/src/core/taylor.rkt:412:39 hash-ref! [24] 100.0% ---------------------------------------------------------------------- profile-thunk16 [9] 100.0% [18] 5588(100.0%) 0(0.0%) run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2 .../more-scheme.rkt:261:28 [23]100.0% ---------------------------------------------------------------------- eval-const-expr [11] 100.0% [19] 802(14.4%) 0(0.0%) temp85_0 (unknown source) compile15 [25] 100.0% ---------------------------------------------------------------------- map [35] 12.7% hash-ref! [24] 12.7% taylor [20] 25.4% for-loop [15] 49.3% [20] 406(7.3%) 0(0.0%) taylor ...-no-duplicates/src/core/taylor.rkt:169:0 loop [61] 49.3% taylor [20] 25.4% map [35] 12.7% debug-print [26] 12.7% ---------------------------------------------------------------------- for-loop [15] 100.0% [21] 200(3.6%) 200(3.6%) taylor-quotient ...cates/src/core/taylor.rkt:333:0 ---------------------------------------------------------------------- for-loop [16] 100.0% [22] 200(3.6%) 0(0.0%) ??? ...ds-no-duplicates/src/core/taylor.rkt:293:19 hash-ref! [24] 100.0% ---------------------------------------------------------------------- run [18] 100.0% [23] 5588(100.0%) 0(0.0%) .../more-scheme.rkt:261:28 (unknown source) run-improve47 [27] 100.0% ---------------------------------------------------------------------- for-loop [16] 1.5% ??? [22] 1.5% for-loop [17] 1.5% ??? [33] 3.1% for-loop [13] 6.5% ??? [28] 16.3% ??? [29] 19.8% ??? [72] 24.9% loop [10] 24.9% [24] 1008(18.0%) 0(0.0%) hash-ref! .../racket/private/more-scheme.rkt:376:2 ??? [28] 41.2% ??? [29] 19.8% f40 [30] 13.2% ??? [4] 13.1% taylor [20] 5.1% ??? [7] 3.1% ??? [33] 3.1% ??? [8] 1.5% ---------------------------------------------------------------------- temp85_0 [19] 100.0% [25] 802(14.4%) 0(0.0%) compile15 (unknown source) temp91_0 [31] 100.0% ---------------------------------------------------------------------- taylor [20] 100.0% [26] 206(3.7%) 0(0.0%) debug-print ...s-no-duplicates/src/debug.rkt:110:0 ??? [32] 100.0% ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [23]100.0% [27] 5588(100.0%) 0(0.0%) run-improve47 ...duplicates/src/mainloop.rkt:346:0 simplify! [44] 48.8% for-loop [34] 40.6% prepare-points-intervals [37] 10.7% ---------------------------------------------------------------------- hash-ref! [24] 100.0% [28] 1008(18.0%) 0(0.0%) ??? ...rds-no-duplicates/src/core/taylor.rkt:67:15 ??? [72] 70.5% hash-ref! [24] 29.5% ---------------------------------------------------------------------- hash-ref! [24] 100.0% [29] 802(14.4%) 0(0.0%) ??? ...rds-no-duplicates/src/core/taylor.rkt:44:15 hash-ref! [24] 100.0% ---------------------------------------------------------------------- for-loop [13] 12.5% hash-ref! [24] 25.1% map [35] 62.5% [30] 802(14.4%) 0(0.0%) f40 (unknown source) map [35] 100.0% ---------------------------------------------------------------------- compile15 [25] 100.0% [31] 802(14.4%) 0(0.0%) temp91_0 (unknown source) temp118_0 [36] 75.1% compile-top9 [39] 24.9% ---------------------------------------------------------------------- debug-print [26] 100.0% [32] 206(3.7%) 0(0.0%) ??? .../contract/private/arrow-val-first.rkt:555:3 mk-call [38] 100.0% ---------------------------------------------------------------------- hash-ref! [24] 100.0% [33] 200(3.6%) 0(0.0%) ??? ...ds-no-duplicates/src/core/taylor.rkt:343:33 hash-ref! [24] 100.0% ---------------------------------------------------------------------- run-improve47 [27] 100.0% [34] 2266(40.6%) 0(0.0%) for-loop ...s-no-duplicates/src/mainloop.rkt:365:4 run-iter! [40] 100.0% ---------------------------------------------------------------------- taylor [20] 20.4% f40 [30] 79.6% [35] 1008(18.0%) 0(0.0%) map ...t-7.5/collects/racket/private/map.rkt:35:13 f40 [30] 49.7% taylor [20] 20.4% parse-loop74 [5] 15.0% f61 [66] 14.9% ---------------------------------------------------------------------- temp91_0 [31] 100.0% [36] 602(10.8%) 0(0.0%) temp118_0 (unknown source) expand-capturing-lifts [41] 100.0% ---------------------------------------------------------------------- run-improve47 [27] 100.0% [37] 596(10.7%) 0(0.0%) prepare-points-intervals ...s/src/points.rkt:120:0 loop [42] 100.0% ---------------------------------------------------------------------- ??? [32] 100.0% [38] 206(3.7%) 206(3.7%) mk-call ...tract/private/arrow-val-first.rkt:558:5 ---------------------------------------------------------------------- temp91_0 [31] 100.0% [39] 200(3.6%) 0(0.0%) compile-top9 (unknown source) compile-forms33 [43] 100.0% ---------------------------------------------------------------------- for-loop [34] 100.0% [40] 2266(40.6%) 0(0.0%) run-iter! ...-no-duplicates/src/mainloop.rkt:327:0 gen-series! [45] 62.1% gen-rewrites! [46] 28.9% simplify! [44] 9.0% ---------------------------------------------------------------------- temp118_0 [36] 100.0% [41] 602(10.8%) 0(0.0%) expand-capturing-lifts (unknown source) lambda-clause-expander [47] 66.8% dispatch-transformer41 [50] 33.2% ---------------------------------------------------------------------- prepare-points-intervals [37] 100.0% [42] 596(10.7%) 0(0.0%) loop ...upwards-no-duplicates/src/points.rkt:132:4 loop [48] 66.4% ??? [49] 33.6% ---------------------------------------------------------------------- compile-top9 [39] 100.0% [43] 200(3.6%) 0(0.0%) compile-forms33 (unknown source) for-loop [60] 100.0% ---------------------------------------------------------------------- run-iter! [40] 7.0% run-improve47 [27] 93.0% [44] 2930(52.4%) 0(0.0%) simplify! ...-no-duplicates/src/mainloop.rkt:224:0 ??? [51] 100.0% ---------------------------------------------------------------------- run-iter! [40] 100.0% [45] 1408(25.2%) 0(0.0%) gen-series! ...o-duplicates/src/mainloop.rkt:160:0 for-loop [52] 100.0% ---------------------------------------------------------------------- run-iter! [40] 100.0% [46] 654(11.7%) 0(0.0%) gen-rewrites! ...duplicates/src/mainloop.rkt:183:0 for-loop [53] 100.0% ---------------------------------------------------------------------- expand-capturing-lifts [41] 100.0% [47] 402(7.2%) 0(0.0%) lambda-clause-expander (unknown source) finish-bodys [54] 100.0% ---------------------------------------------------------------------- loop [42] 100.0% [48] 396(7.1%) 196(3.5%) loop ...-upwards-no-duplicates/src/points.rkt:79:2 ??? [55] 50.5% ---------------------------------------------------------------------- loop [42] 100.0% [49] 200(3.6%) 200(3.6%) ??? ...-upwards-no-duplicates/src/points.rkt:113:6 ---------------------------------------------------------------------- expand-capturing-lifts [41] 100.0% [50] 200(3.6%) 0(0.0%) dispatch-transformer41 (unknown source) apply-transformer52 [56] 100.0% ---------------------------------------------------------------------- simplify! [44] 100.0% [51] 2930(52.4%) 0(0.0%) ??? ...ds-no-duplicates/src/core/simplify.rkt:38:0 ??? [57] 100.0% ---------------------------------------------------------------------- gen-series! [45] 100.0% [52] 1408(25.2%) 0(0.0%) for-loop ...s-no-duplicates/src/mainloop.rkt:167:7 taylor-alt [58] 100.0% ---------------------------------------------------------------------- gen-rewrites! [46] 100.0% [53] 654(11.7%) 0(0.0%) for-loop ...-no-duplicates/src/mainloop.rkt:191:11 rewrite-expression-head24 [59] 100.0% ---------------------------------------------------------------------- lambda-clause-expander [47] 34.9% for-loop [60] 65.1% [54] 402(7.2%) 0(0.0%) finish-bodys (unknown source) for-loop [60] 100.0% ---------------------------------------------------------------------- loop [48] 100.0% [55] 200(3.6%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:379:33 ival-log [62] 100.0% ---------------------------------------------------------------------- dispatch-transformer41 [50] 100.0% [56] 200(3.6%) 0(0.0%) apply-transformer52 (unknown source) loop [61] 100.0% ---------------------------------------------------------------------- ??? [51] 100.0% [57] 2930(52.4%) 0(0.0%) ??? ...ds-no-duplicates/src/core/simplify.rkt:56:0 for-loop [63] 100.0% ---------------------------------------------------------------------- for-loop [52] 100.0% [58] 1408(25.2%) 0(0.0%) taylor-alt ...no-duplicates/src/mainloop.rkt:146:0 for-loop [64] 100.0% ---------------------------------------------------------------------- for-loop [53] 100.0% [59] 654(11.7%) 0(0.0%) rewrite-expression-head24 ...core/matcher.rkt:85:0 rewriter [65] 100.0% ---------------------------------------------------------------------- add-local-binding!39 [70] 5.5% for-loop [60] 26.2% compile-forms33 [43] 33.2% finish-bodys [54] 35.0% [60] 602(10.8%) 200(3.6%) for-loop (unknown source) compile-module-linklet57 [68] 33.2% for-loop [60] 26.2% finish-bodys [54] 24.7% add-local-binding!39 [70] 5.5% syntax-e [6] 4.8% ---------------------------------------------------------------------- loop [61] 11.1% apply-transformer52 [56] 11.1% taylor [20] 33.2% syntax-e/no-taint [14] 44.6% [61] 602(10.8%) 0(0.0%) loop (unknown source) gf [67] 44.6% f61 [66] 33.2% syntax-e [6] 11.1% loop [61] 11.1% ---------------------------------------------------------------------- ??? [55] 100.0% [62] 200(3.6%) 0(0.0%) ival-log ...o-duplicates/src/biginterval.rkt:202:0 bflog [69] 100.0% ---------------------------------------------------------------------- ??? [57] 100.0% [63] 2930(52.4%) 0(0.0%) for-loop ...-duplicates/src/core/simplify.rkt:76:2 for-loop [71] 100.0% ---------------------------------------------------------------------- taylor-alt [58] 100.0% [64] 1408(25.2%) 0(0.0%) for-loop ...s-no-duplicates/src/mainloop.rkt:152:6 ??? [72] 100.0% ---------------------------------------------------------------------- rewrite-expression-head24 [59] 32.3% matcher [79] 67.7% [65] 654(11.7%) 214(3.8%) rewriter ...o-duplicates/src/core/matcher.rkt:87:2 for-loop [73] 89.1% ---------------------------------------------------------------------- loop [61] 33.3% map [35] 66.7% [66] 600(10.7%) 0(0.0%) f61 (unknown source) eval-const-expr [11] 66.7% composed [76] 33.3% ---------------------------------------------------------------------- loop [61] 100.0% [67] 402(7.2%) 200(3.6%) gf (unknown source) propagation-merge [74] 50.2% ---------------------------------------------------------------------- for-loop [60] 100.0% [68] 200(3.6%) 200(3.6%) compile-module-linklet57 (unknown source) ---------------------------------------------------------------------- ival-log [62] 100.0% [69] 200(3.6%) 0(0.0%) bflog ...-lib/math/private/bigfloat/mpfr.rkt:632:4 new-mpfr [75] 100.0% ---------------------------------------------------------------------- for-loop [60] 100.0% [70] 200(3.6%) 0(0.0%) add-local-binding!39 (unknown source) for-loop [60] 100.0% ---------------------------------------------------------------------- for-loop [63] 100.0% [71] 2930(52.4%) 0(0.0%) for-loop ...-duplicates/src/core/simplify.rkt:80:4 ??? [77] 85.4% loop [80] 7.8% egraph-rebuild [81] 6.8% ---------------------------------------------------------------------- ??? [28] 23.9% location-do [78] 38.1% for-loop [64] 38.1% [72] 1408(25.2%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:375:33 location-do [78] 38.1% approximate9 [2] 38.1% hash-ref! [24] 23.9% ---------------------------------------------------------------------- rewriter [65] 100.0% [73] 654(11.7%) 0(0.0%) for-loop ...o-duplicates/src/core/matcher.rkt:89:4 matcher [79] 84.7% for-loop [82] 15.3% ---------------------------------------------------------------------- gf [67] 100.0% [74] 202(3.6%) 202(3.6%) propagation-merge (unknown source) ---------------------------------------------------------------------- bflog [69] 100.0% [75] 200(3.6%) 200(3.6%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0 ---------------------------------------------------------------------- f61 [66] 100.0% [76] 200(3.6%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 free-variables [83] 100.0% ---------------------------------------------------------------------- for-loop [71] 100.0% [77] 2502(44.8%) 0(0.0%) ??? ...fy-regraph-rebuilding/regraph/main.rkt:45:0 find-matches [84] 75.1% for-loop [85] 24.9% ---------------------------------------------------------------------- location-do [78] 43.0% ??? [72] 57.0% [78] 1408(25.2%) 0(0.0%) location-do ...no-duplicates/src/programs.rkt:63:0 ??? [72] 57.0% location-do [78] 43.0% ---------------------------------------------------------------------- for-loop [12] 48.3% for-loop [73] 51.7% [79] 654(11.7%) 0(0.0%) matcher ...o-duplicates/src/core/matcher.rkt:115:2 ??? [3] 51.7% rewriter [65] 48.3% ---------------------------------------------------------------------- for-loop [71] 100.0% [80] 228(4.1%) 0(0.0%) loop ...aph-rebuilding/regraph/extraction.rkt:25:2 for-loop [86] 100.0% ---------------------------------------------------------------------- for-loop [71] 100.0% [81] 200(3.6%) 0(0.0%) egraph-rebuild ...building/regraph/egraph.rkt:61:0 egraph-rebuild-once [88] 100.0% ---------------------------------------------------------------------- for-loop [73] 100.0% [82] 200(3.6%) 0(0.0%) for-loop ...o-duplicates/src/core/matcher.rkt:96:8 fix-up-variables [89] 100.0% ---------------------------------------------------------------------- composed [76] 20.0% append-map [90] 80.0% [83] 200(3.6%) 0(0.0%) free-variables ...duplicates/src/programs.rkt:56:0 append-map [90] 80.0% constant? [87] 20.0% ---------------------------------------------------------------------- ??? [77] 100.0% [84] 1880(33.6%) 0(0.0%) find-matches ...h-rebuilding/regraph/main.rkt:37:0 for-loop [91] 100.0% ---------------------------------------------------------------------- ??? [77] 100.0% [85] 622(11.1%) 0(0.0%) for-loop ...graph-rebuilding/regraph/main.rkt:48:2 for-loop [92] 100.0% ---------------------------------------------------------------------- loop [80] 100.0% [86] 228(4.1%) 0(0.0%) for-loop ...rebuilding/regraph/extraction.rkt:28:4 for-loop [93] 100.0% ---------------------------------------------------------------------- free-variables [83] 100.0% [87] 200(3.6%) 0(0.0%) constant? ...uplicates/src/syntax/syntax.rkt:726:0 value? [94] 100.0% ---------------------------------------------------------------------- egraph-rebuild [81] 100.0% [88] 200(3.6%) 0(0.0%) egraph-rebuild-once ...ing/regraph/egraph.rkt:68:0 for-loop [95] 100.0% ---------------------------------------------------------------------- for-loop [82] 100.0% [89] 200(3.6%) 0(0.0%) fix-up-variables ...tes/src/core/matcher.rkt:108:2 pattern-match [96] 100.0% ---------------------------------------------------------------------- free-variables [83] 100.0% [90] 200(3.6%) 0(0.0%) append-map ...t-7.5/collects/racket/list.rkt:586:2 free-variables [83] 100.0% ---------------------------------------------------------------------- for-loop [91] 50.0% find-matches [84] 50.0% [91] 1880(33.6%) 0(0.0%) for-loop ...graph-rebuilding/regraph/main.rkt:39:2 for-loop [91] 50.0% match-e [97] 50.0% ---------------------------------------------------------------------- for-loop [85] 100.0% [92] 622(11.1%) 0(0.0%) for-loop ...graph-rebuilding/regraph/main.rkt:51:4 substitute-e [98] 66.9% add-enode-rec! [100] 33.1% ---------------------------------------------------------------------- for-loop [86] 100.0% [93] 228(4.1%) 0(0.0%) for-loop ...ebuilding/regraph/extraction.rkt:36:16 for-loop [99] 100.0% ---------------------------------------------------------------------- constant? [87] 100.0% [94] 200(3.6%) 200(3.6%) value? ...-no-duplicates/src/syntax/types.rkt:18:0 ---------------------------------------------------------------------- egraph-rebuild-once [88] 100.0% [95] 200(3.6%) 0(0.0%) for-loop ...aph-rebuilding/regraph/egraph.rkt:72:2 for-loop [101] 100.0% ---------------------------------------------------------------------- fix-up-variables [89] 100.0% [96] 200(3.6%) 0(0.0%) pattern-match ...licates/src/core/matcher.rkt:29:0 for-loop [102] 100.0% ---------------------------------------------------------------------- for-loop [107] 39.1% for-loop [91] 60.9% [97] 1880(33.6%) 412(7.4%) match-e ...raph-rebuilding/regraph/ematch.rkt:35:0 for-loop [103] 83.6% ---------------------------------------------------------------------- for-loop [92] 100.0% [98] 416(7.4%) 216(3.9%) substitute-e ...rebuilding/regraph/ematch.rkt:55:0 do-curry [105] 48.1% ---------------------------------------------------------------------- for-loop [93] 100.0% [99] 228(4.1%) 228(4.1%) for-loop ...ebuilding/regraph/extraction.rkt:40:23 ---------------------------------------------------------------------- for-loop [92] 100.0% [100] 206(3.7%) 0(0.0%) add-enode-rec! ...uilding/regraph/egraph.rkt:165:0 enode-merge! [104] 100.0% ---------------------------------------------------------------------- for-loop [95] 100.0% [101] 200(3.6%) 200(3.6%) for-loop ...aph-rebuilding/regraph/egraph.rkt:73:4 ---------------------------------------------------------------------- pattern-match [96] 100.0% [102] 200(3.6%) 0(0.0%) for-loop ...o-duplicates/src/core/matcher.rkt:26:9 fallback-update [106] 100.0% ---------------------------------------------------------------------- match-e [97] 100.0% [103] 1676(30.0%) 1044(18.7%) for-loop ...ph-rebuilding/regraph/ematch.rkt:41:11 for-loop [107] 50.1% keyword-apply [109] 12.3% make-curried [108] 6.5% ---------------------------------------------------------------------- add-enode-rec! [100] 100.0% [104] 206(3.7%) 206(3.7%) enode-merge! ...-rebuilding/regraph/enode.rkt:95:0 ---------------------------------------------------------------------- substitute-e [98] 100.0% [105] 200(3.6%) 200(3.6%) do-curry ...-7.5/collects/racket/function.rkt:71:2 ---------------------------------------------------------------------- for-loop [102] 100.0% [106] 200(3.6%) 200(3.6%) fallback-update ...s/racket/private/dict.rkt:115:2 ---------------------------------------------------------------------- for-loop [103] 100.0% [107] 1470(26.3%) 0(0.0%) for-loop ...ph-rebuilding/regraph/ematch.rkt:47:37 match-e [97] 100.0% ---------------------------------------------------------------------- for-loop [103] 100.0% [108] 218(3.9%) 218(3.9%) make-curried ...collects/racket/function.rkt:130:9 ---------------------------------------------------------------------- for-loop [103] 100.0% [109] 206(3.7%) 206(3.7%) keyword-apply ...lects/racket/private/kw.rkt:455:2 ----------------------------------------------------------------------