Profiling results ----------------- Total cpu time observed: 7708ms (out of 7808ms) Number of samples taken: 39 (once every 198ms) ====================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ====================================================================== [1] 7708(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [10] 100.0% ---------------------------------------------------------------------- ??? [74] 100.0% [2] 2010(26.1%) 0(0.0%) approximate9 ...h-actions/src/core/taylor.rkt:11:0 loop [11] 100.0% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [3] 1234(16.0%) 0(0.0%) ??? ...herbie/gh-actions/src/core/taylor.rkt:67:15 ??? [74] 57.9% hash-ref! [80] 42.1% ---------------------------------------------------------------------- loop [99] 19.6% for-loop [98] 80.4% [4] 1028(13.3%) 0(0.0%) dispatch-transformer41 (unknown source) apply-transformer52 [12] 100.0% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [5] 1020(13.2%) 0(0.0%) ??? ...erbie/gh-actions/src/core/taylor.rkt:290:26 for-loop [13] 100.0% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [6] 814(10.6%) 0(0.0%) ??? ...erbie/gh-actions/src/core/taylor.rkt:300:23 for-loop [14] 100.0% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [7] 798(10.4%) 0(0.0%) parse-loop74 (unknown source) eval-const-expr [21] 100.0% ---------------------------------------------------------------------- map [38] 32.8% hash-ref! [80] 67.2% [8] 398(5.2%) 0(0.0%) f40 (unknown source) map [38] 100.0% ---------------------------------------------------------------------- for-loop [98] 100.0% [9] 188(2.4%) 0(0.0%) syntax-e (unknown source) syntax-e/no-taint [15] 100.0% ---------------------------------------------------------------------- ??? [1] 100.0% [10] 7708(100.0%) 0(0.0%) profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0 run [16] 100.0% ---------------------------------------------------------------------- approximate9 [2] 100.0% [11] 2010(26.1%) 0(0.0%) loop ...herbie/gh-actions/src/core/taylor.rkt:86:4 hash-ref! [80] 61.4% ??? [74] 38.6% ---------------------------------------------------------------------- dispatch-transformer41 [4] 100.0% [12] 1028(13.3%) 416(5.4%) apply-transformer52 (unknown source) apply-transformer-in-context [19] 39.1% loop [99] 20.4% ---------------------------------------------------------------------- ??? [5] 100.0% [13] 1020(13.2%) 0(0.0%) for-loop .../gh-actions/src/core/taylor.rkt:290:52 ??? [18] 49.2% f61 [17] 41.2% hash-ref! [80] 9.6% ---------------------------------------------------------------------- ??? [6] 100.0% [14] 814(10.6%) 0(0.0%) for-loop .../gh-actions/src/core/taylor.rkt:303:27 hash-ref! [80] 100.0% ---------------------------------------------------------------------- syntax-e [9] 100.0% [15] 188(2.4%) 0(0.0%) syntax-e/no-taint (unknown source) loop [99] 100.0% ---------------------------------------------------------------------- profile-thunk16 [10] 100.0% [16] 7708(100.0%) 0(0.0%) run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2 .../more-scheme.rkt:261:28 [20] 100.0% ---------------------------------------------------------------------- ??? [86] 23.6% hash-ref! [80] 24.8% for-loop [13] 51.6% [17] 814(10.6%) 0(0.0%) f61 (unknown source) eval-const-expr [21] 100.0% ---------------------------------------------------------------------- for-loop [13] 100.0% [18] 600(7.8%) 0(0.0%) ??? ...erbie/gh-actions/src/core/taylor.rkt:293:19 hash-ref! [80] 100.0% ---------------------------------------------------------------------- apply-transformer52 [12] 100.0% [19] 402(5.2%) 200(2.6%) apply-transformer-in-context (unknown source) go [22] 50.2% ---------------------------------------------------------------------- for-loop [82] 6.4% run [16] 93.6% [20] 7708(100.0%) 194(2.5%) .../more-scheme.rkt:261:28 (unknown source) run-improve47 [23] 65.9% prepare-points-intervals [24] 19.2% ??? [25] 2.7% ??? [26] 2.5% oracle-error [29] 2.4% eval-errors [28] 2.4% get-final-combination [30] 2.4% errors [73] 1.2% ---------------------------------------------------------------------- parse-loop74 [7] 49.5% f61 [17] 50.5% [21] 1612(20.9%) 0(0.0%) eval-const-expr ...-actions/src/programs.rkt:144:0 temp85_0 [79] 100.0% ---------------------------------------------------------------------- apply-transformer-in-context [19]100.0% [22] 202(2.6%) 0(0.0%) go .../collects/racket/private/qq-and-or.rkt:50:20 stx-list? [27] 100.0% ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 100.0% [23] 5482(71.1%) 0(0.0%) run-improve47 ...gh-actions/src/mainloop.rkt:365:0 for-loop [31] 100.0% ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 100.0% [24] 1482(19.2%) 0(0.0%) prepare-points-intervals ...s/src/points.rkt:122:0 loop [32] 100.0% ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 100.0% [25] 412(5.3%) 412(5.3%) ??? ...bie/gh-actions/src/syntax/syntax.rkt:214:17 ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 100.0% [26] 386(5.0%) 386(5.0%) ??? ...cket-7.5/collects/racket/function.rkt:93:12 ---------------------------------------------------------------------- go [22] 100.0% [27] 202(2.6%) 202(2.6%) stx-list? .../collects/racket/private/stx.rkt:49:4 ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 100.0% [28] 186(2.4%) 0(0.0%) eval-errors ...bie/gh-actions/src/points.rkt:170:0 for-loop [33] 100.0% ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 100.0% [29] 186(2.4%) 0(0.0%) oracle-error ...ie/gh-actions/src/points.rkt:179:0 for-loop [34] 100.0% ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 100.0% [30] 184(2.4%) 0(0.0%) get-final-combination ...ns/src/mainloop.rkt:390:0 infer-splitpoints [35] 100.0% ---------------------------------------------------------------------- run-improve47 [23] 100.0% [31] 5482(71.1%) 0(0.0%) for-loop ...rbie/gh-actions/src/mainloop.rkt:384:4 run-iter! [36] 100.0% ---------------------------------------------------------------------- prepare-points-intervals [24] 100.0% [32] 1482(19.2%) 0(0.0%) loop ...ies/herbie/gh-actions/src/points.rkt:134:4 ??? [37] 50.2% loop [39] 37.2% andmap [40] 12.6% ---------------------------------------------------------------------- eval-errors [28] 100.0% [33] 186(2.4%) 186(2.4%) for-loop ...herbie/gh-actions/src/points.rkt:172:2 ---------------------------------------------------------------------- oracle-error [29] 100.0% [34] 186(2.4%) 0(0.0%) for-loop ...herbie/gh-actions/src/points.rkt:180:2 map [38] 100.0% ---------------------------------------------------------------------- get-final-combination [30] 100.0% [35] 184(2.4%) 0(0.0%) infer-splitpoints ...ons/src/core/regimes.rkt:33:0 for-loop [41] 100.0% ---------------------------------------------------------------------- for-loop [31] 100.0% [36] 5482(71.1%) 0(0.0%) run-iter! ...bie/gh-actions/src/mainloop.rkt:346:0 finalize-iter! [42] 40.5% gen-series! [43] 36.7% simplify! [44] 11.7% gen-rewrites! [45] 7.3% localize! [46] 3.9% ---------------------------------------------------------------------- loop [32] 100.0% [37] 744(9.7%) 184(2.4%) ??? ...lies/herbie/gh-actions/src/points.rkt:115:6 sample-multi-bounded [102] 50.3% loop [99] 25.0% ---------------------------------------------------------------------- for-loop [34] 31.8% f40 [8] 68.2% [38] 584(7.6%) 0(0.0%) map ...t-7.5/collects/racket/private/map.rkt:35:13 parse-loop49 [47] 34.6% ??? [49] 31.8% f40 [8] 22.4% simplify* [48] 11.2% ---------------------------------------------------------------------- loop [32] 100.0% [39] 552(7.2%) 0(0.0%) loop ...lies/herbie/gh-actions/src/points.rkt:79:2 ??? [53] 66.7% ??? [51] 33.3% ---------------------------------------------------------------------- loop [32] 100.0% [40] 186(2.4%) 0(0.0%) andmap ...5/collects/racket/private/map.rkt:102:13 ordinary-value? [50] 100.0% ---------------------------------------------------------------------- infer-splitpoints [35] 100.0% [41] 184(2.4%) 0(0.0%) for-loop ...e/gh-actions/src/core/regimes.rkt:45:6 option-on-expr [52] 100.0% ---------------------------------------------------------------------- run-iter! [36] 100.0% [42] 2218(28.8%) 0(0.0%) finalize-iter! ...h-actions/src/mainloop.rkt:278:0 ??? [53] 100.0% ---------------------------------------------------------------------- run-iter! [36] 100.0% [43] 2010(26.1%) 0(0.0%) gen-series! ...e/gh-actions/src/mainloop.rkt:160:0 for-loop [54] 100.0% ---------------------------------------------------------------------- run-iter! [36] 100.0% [44] 642(8.3%) 0(0.0%) simplify! ...bie/gh-actions/src/mainloop.rkt:224:0 ??? [55] 100.0% ---------------------------------------------------------------------- run-iter! [36] 100.0% [45] 400(5.2%) 0(0.0%) gen-rewrites! ...gh-actions/src/mainloop.rkt:183:0 for-loop [57] 50.0% for-loop [58] 50.0% ---------------------------------------------------------------------- run-iter! [36] 100.0% [46] 212(2.8%) 0(0.0%) localize! ...bie/gh-actions/src/mainloop.rkt:127:0 localize-error [56] 100.0% ---------------------------------------------------------------------- map [38] 100.0% [47] 202(2.6%) 202(2.6%) parse-loop49 (unknown source) ---------------------------------------------------------------------- map [38] 100.0% [48] 196(2.5%) 0(0.0%) simplify* ...e/gh-actions/src/core/reduce.rkt:28:0 return/no-unsupplied [59] 100.0% ---------------------------------------------------------------------- map [38] 100.0% [49] 186(2.4%) 186(2.4%) ??? ...ies/herbie/gh-actions/src/points.rkt:181:26 ---------------------------------------------------------------------- andmap [40] 100.0% [50] 186(2.4%) 0(0.0%) ordinary-value? ...e/gh-actions/src/float.rkt:51:0 list-member? [60] 100.0% ---------------------------------------------------------------------- loop [39] 100.0% [51] 184(2.4%) 184(2.4%) ??? ...tract/private/arrow-higher-order.rkt:379:33 ---------------------------------------------------------------------- for-loop [41] 100.0% [52] 184(2.4%) 0(0.0%) option-on-expr ...tions/src/core/regimes.rkt:124:0 for-loop [61] 100.0% ---------------------------------------------------------------------- loop [39] 14.2% finalize-iter! [42] 85.8% [53] 2586(33.5%) 368(4.8%) ??? ...contract/private/arrow-val-first.rkt:486:18 for-loop [62] 85.8% ---------------------------------------------------------------------- gen-series! [43] 100.0% [54] 2010(26.1%) 0(0.0%) for-loop ...rbie/gh-actions/src/mainloop.rkt:167:7 taylor-alt [63] 100.0% ---------------------------------------------------------------------- simplify! [44] 100.0% [55] 642(8.3%) 0(0.0%) ??? ...erbie/gh-actions/src/core/simplify.rkt:42:0 egraph-run [64] 100.0% ---------------------------------------------------------------------- localize! [46] 100.0% [56] 212(2.8%) 0(0.0%) localize-error ...tions/src/core/localize.rkt:57:0 for-loop [65] 100.0% ---------------------------------------------------------------------- gen-rewrites! [45] 100.0% [57] 200(2.6%) 0(0.0%) for-loop ...rbie/gh-actions/src/mainloop.rkt:208:4 for-loop [66] 100.0% ---------------------------------------------------------------------- gen-rewrites! [45] 100.0% [58] 200(2.6%) 0(0.0%) for-loop ...bie/gh-actions/src/mainloop.rkt:191:11 rewrite-expression-head23 [67] 100.0% ---------------------------------------------------------------------- simplify* [48] 100.0% [59] 196(2.5%) 196(2.5%) return/no-unsupplied ...ct/private/arr-i.rkt:566:0 ---------------------------------------------------------------------- ordinary-value? [50] 100.0% [60] 186(2.4%) 186(2.4%) list-member? ...llects/racket/private/set.rkt:24:0 ---------------------------------------------------------------------- option-on-expr [52] 100.0% [61] 184(2.4%) 184(2.4%) for-loop ...gh-actions/src/core/regimes.rkt:130:20 ---------------------------------------------------------------------- ??? [53] 100.0% [62] 2218(28.8%) 0(0.0%) for-loop ...h-actions/src/core/alt-table.rkt:201:2 atab-add-altn [68] 100.0% ---------------------------------------------------------------------- for-loop [54] 100.0% [63] 2010(26.1%) 0(0.0%) taylor-alt ...ie/gh-actions/src/mainloop.rkt:146:0 for-loop [69] 100.0% ---------------------------------------------------------------------- ??? [55] 100.0% [64] 642(8.3%) 0(0.0%) egraph-run .../pkgs/egg-herbie-linux/main.rkt:49:0 egraph-add-exprs [70] 100.0% ---------------------------------------------------------------------- localize-error [56] 100.0% [65] 212(2.8%) 212(2.8%) for-loop ...gh-actions/src/core/localize.rkt:59:34 ---------------------------------------------------------------------- for-loop [57] 100.0% [66] 200(2.6%) 0(0.0%) for-loop ...rbie/gh-actions/src/mainloop.rkt:209:6 change-apply [71] 100.0% ---------------------------------------------------------------------- for-loop [58] 100.0% [67] 200(2.6%) 0(0.0%) rewrite-expression-head23 ...core/matcher.rkt:83:0 rewriter [72] 100.0% ---------------------------------------------------------------------- for-loop [62] 100.0% [68] 2218(28.8%) 0(0.0%) atab-add-altn ...ions/src/core/alt-table.rkt:204:0 errors [73] 82.8% best-and-tied-at-points [76] 17.2% ---------------------------------------------------------------------- taylor-alt [63] 100.0% [69] 2010(26.1%) 0(0.0%) for-loop ...rbie/gh-actions/src/mainloop.rkt:152:6 ??? [74] 100.0% ---------------------------------------------------------------------- egraph-run [64] 100.0% [70] 642(8.3%) 0(0.0%) egraph-add-exprs ...gg-herbie-linux/main.rkt:111:0 ??? [75] 100.0% ---------------------------------------------------------------------- for-loop [66] 100.0% [71] 200(2.6%) 0(0.0%) change-apply ...-actions/src/core/matcher.rkt:69:0 pattern-substitute [77] 100.0% ---------------------------------------------------------------------- rewrite-expression-head23 [67] 100.0% [72] 200(2.6%) 0(0.0%) rewriter ...e/gh-actions/src/core/matcher.rkt:85:2 for-loop [78] 100.0% ---------------------------------------------------------------------- .../more-scheme.rkt:261:28 [20] 9.3% atab-add-altn [68] 90.7% [73] 2024(26.3%) 0(0.0%) errors ...s/herbie/gh-actions/src/points.rkt:192:0 for-loop [82] 69.9% temp85_0 [79] 30.1% ---------------------------------------------------------------------- loop [11] 12.9% ??? [3] 20.5% location-do [81] 33.3% for-loop [69] 33.3% [74] 2010(26.1%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:375:33 location-do [81] 33.3% approximate9 [2] 33.3% hash-ref! [80] 33.3% ---------------------------------------------------------------------- egraph-add-exprs [70] 100.0% [75] 642(8.3%) 0(0.0%) ??? ...rbie/gh-actions/src/core/simplify.rkt:103:6 for-loop [83] 100.0% ---------------------------------------------------------------------- atab-add-altn [68] 100.0% [76] 382(5.0%) 0(0.0%) best-and-tied-at-points ...core/alt-table.rkt:91:0 for-loop [84] 100.0% ---------------------------------------------------------------------- pattern-substitute [77] 50.0% change-apply [71] 50.0% [77] 200(2.6%) 200(2.6%) pattern-substitute ...ns/src/core/matcher.rkt:45:0 pattern-substitute [77] 50.0% ---------------------------------------------------------------------- rewriter [72] 100.0% [78] 200(2.6%) 0(0.0%) for-loop ...e/gh-actions/src/core/matcher.rkt:87:4 hash-ref! [80] 100.0% ---------------------------------------------------------------------- errors [73] 27.5% eval-const-expr [21] 72.5% [79] 2222(28.8%) 0(0.0%) temp85_0 (unknown source) compile15 [85] 100.0% ---------------------------------------------------------------------- for-loop [13] 1.0% ??? [89] 2.2% ??? [87] 2.3% ??? [88] 3.6% ??? [18] 5.3% for-loop [14] 8.5% for-loop [78] 9.0% ??? [3] 9.4% loop [11] 10.3% ??? [86] 19.8% ??? [74] 28.5% [80] 2210(28.7%) 200(2.6%) hash-ref! .../racket/private/more-scheme.rkt:376:2 ??? [86] 28.5% ??? [3] 19.7% ??? [5] 10.6% parse-loop74 [7] 10.2% ??? [6] 8.5% ??? [88] 3.6% f61 [17] 3.0% ??? [87] 2.3% f40 [8] 2.3% ??? [89] 2.2% ---------------------------------------------------------------------- location-do [81] 44.0% ??? [74] 56.0% [81] 2010(26.1%) 0(0.0%) location-do ...ie/gh-actions/src/programs.rkt:87:0 ??? [74] 56.0% location-do [81] 44.0% ---------------------------------------------------------------------- errors [73] 100.0% [82] 1414(18.3%) 422(5.5%) for-loop ...herbie/gh-actions/src/points.rkt:194:2 .../more-scheme.rkt:261:28 [20] 70.2% ---------------------------------------------------------------------- ??? [75] 100.0% [83] 642(8.3%) 642(8.3%) for-loop ...gh-actions/src/core/simplify.rkt:121:2 ---------------------------------------------------------------------- best-and-tied-at-points [76] 100.0% [84] 382(5.0%) 196(2.5%) for-loop ...gh-actions/src/core/alt-table.rkt:94:4 ??? [90] 48.7% ---------------------------------------------------------------------- temp85_0 [79] 100.0% [85] 2222(28.8%) 0(0.0%) compile15 (unknown source) temp91_0 [91] 100.0% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [86] 2010(26.1%) 0(0.0%) ??? ...herbie/gh-actions/src/core/taylor.rkt:44:15 hash-ref! [80] 90.4% f61 [17] 9.6% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [87] 398(5.2%) 0(0.0%) ??? ...erbie/gh-actions/src/core/taylor.rkt:327:33 hash-ref! [80] 100.0% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [88] 396(5.1%) 0(0.0%) ??? ...erbie/gh-actions/src/core/taylor.rkt:362:30 hash-ref! [80] 100.0% ---------------------------------------------------------------------- hash-ref! [80] 100.0% [89] 194(2.5%) 0(0.0%) ??? ...erbie/gh-actions/src/core/taylor.rkt:343:33 hash-ref! [80] 100.0% ---------------------------------------------------------------------- for-loop [84] 100.0% [90] 186(2.4%) 186(2.4%) ??? ...7.5/collects/racket/private/for.rkt:1236:14 ---------------------------------------------------------------------- compile15 [85] 100.0% [91] 2222(28.8%) 0(0.0%) temp91_0 (unknown source) temp118_0 [92] 90.2% compile-top9 [93] 9.8% ---------------------------------------------------------------------- temp91_0 [91] 100.0% [92] 2004(26.0%) 0(0.0%) temp118_0 (unknown source) expand-capturing-lifts [94] 100.0% ---------------------------------------------------------------------- temp91_0 [91] 100.0% [93] 218(2.8%) 0(0.0%) compile-top9 (unknown source) compile-forms33 [95] 100.0% ---------------------------------------------------------------------- temp118_0 [92] 100.0% [94] 2004(26.0%) 0(0.0%) expand-capturing-lifts (unknown source) lambda-clause-expander [96] 100.0% ---------------------------------------------------------------------- compile-top9 [93] 100.0% [95] 218(2.8%) 0(0.0%) compile-forms33 (unknown source) for-loop [98] 100.0% ---------------------------------------------------------------------- expand-capturing-lifts [94] 100.0% [96] 2004(26.0%) 0(0.0%) lambda-clause-expander (unknown source) finish-bodys [97] 89.9% loop [99] 10.1% ---------------------------------------------------------------------- lambda-clause-expander [96] 28.0% for-loop [98] 72.0% [97] 1802(23.4%) 0(0.0%) finish-bodys (unknown source) for-loop [98] 100.0% ---------------------------------------------------------------------- compile-forms33 [95] 10.8% for-loop [98] 23.2% finish-bodys [97] 66.0% [98] 2020(26.2%) 0(0.0%) for-loop (unknown source) finish-bodys [97] 48.3% for-loop [98] 23.2% compile-module-linklet57 [101] 10.8% dispatch-transformer41 [4] 9.2% loop [99] 3.2% expand-implicit [100] 2.5% datum->syntax6 [103] 1.9% syntax-e [9] 0.9% ---------------------------------------------------------------------- ??? [37] 19.0% syntax-e/no-taint [15] 19.2% for-loop [98] 19.8% lambda-clause-expander [96] 20.6% apply-transformer52 [12] 21.4% [99] 980(12.7%) 404(5.2%) loop (unknown source) dispatch-transformer41 [4] 20.6% gf [105] 19.2% sample-multi-bounded [102] 19.0% ---------------------------------------------------------------------- for-loop [98] 100.0% [100] 402(5.2%) 0(0.0%) expand-implicit (unknown source) resolve+shift28 [104] 50.2% datum->syntax6 [103] 49.8% ---------------------------------------------------------------------- for-loop [98] 100.0% [101] 218(2.8%) 218(2.8%) compile-module-linklet57 (unknown source) ---------------------------------------------------------------------- loop [99] 33.2% ??? [37] 66.8% [102] 560(7.3%) 0(0.0%) sample-multi-bounded ...ctions/src/points.rkt:14:0 random-ranges [106] 100.0% ---------------------------------------------------------------------- for-loop [98] 49.0% expand-implicit [100] 51.0% [103] 392(5.1%) 392(5.1%) datum->syntax6 (unknown source) ---------------------------------------------------------------------- expand-implicit [100] 100.0% [104] 202(2.6%) 0(0.0%) resolve+shift28 (unknown source) fallback-loop [107] 100.0% ---------------------------------------------------------------------- loop [99] 100.0% [105] 188(2.4%) 0(0.0%) gf (unknown source) propagation-apply [108] 100.0% ---------------------------------------------------------------------- sample-multi-bounded [102] 100.0% [106] 560(7.3%) 374(4.9%) random-ranges ...e/gh-actions/src/common.rkt:164:0 cons/c [109] 33.2% ---------------------------------------------------------------------- resolve+shift28 [104] 100.0% [107] 202(2.6%) 202(2.6%) fallback-loop (unknown source) ---------------------------------------------------------------------- gf [105] 100.0% [108] 188(2.4%) 188(2.4%) propagation-apply (unknown source) ---------------------------------------------------------------------- random-ranges [106] 100.0% [109] 186(2.4%) 0(0.0%) cons/c .../racket/contract/private/guts.rkt:500:15 flat-contract? [110] 100.0% ---------------------------------------------------------------------- cons/c [109] 100.0% [110] 186(2.4%) 186(2.4%) flat-contract? .../contract/private/guts.rkt:129:0 ----------------------------------------------------------------------