Profiling results ----------------- Total cpu time observed: 146788ms (out of 149428ms) Number of samples taken: 390 (once every 376ms) =========================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee =========================================================================== ??? [8] 100.0% [1] 146788(100.0%) 0(0.0%) profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0 run [5] 100.0% --------------------------------------------------------------------------- atab-add-altn [47] 11.7% ??? [8] 88.3% [2] 2518(1.7%) 0(0.0%) errors ...bie/optional-posits/src/points.rkt:223:0 for-loop [6] 100.0% --------------------------------------------------------------------------- for-loop [91] 100.0% [3] 332(0.2%) 0(0.0%) module-path-index-resolve (unknown source) standard-module-name-resolver [7]100.0% --------------------------------------------------------------------------- hash-ref! [43] 100.0% [4] 324(0.2%) 0(0.0%) ??? ...rbie/optional-posits/src/programs.rkt:142:5 loop [36] 100.0% --------------------------------------------------------------------------- profile-thunk16 [1] 100.0% [5] 146788(100.0%) 0(0.0%) run ...et-7.0/share/pkgs/profile-lib/main.rkt:39:2 ??? [8] 100.0% --------------------------------------------------------------------------- errors [2] 100.0% [6] 2518(1.7%) 310(0.2%) for-loop ...e/optional-posits/src/points.rkt:225:2 ??? [8] 87.7% --------------------------------------------------------------------------- module-path-index-resolve [3] 100.0% [7] 332(0.2%) 0(0.0%) standard-module-name-resolver (unknown source) find-col-file [9] 100.0% --------------------------------------------------------------------------- for-loop [6] 0.5% run [5] 49.7% [8] 146788(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [1] 49.7% loop [18] 45.5% run-improve43 [10] 2.2% eval-errors [11] 0.6% errors [2] 0.5% oracle-error [12] 0.5% errors-score [38] 0.3% ulp-difference [77] 0.2% ??? [61] 0.1% loop [36] 0.1% ??? [48] 0.1% ??? [94] 0.1% --------------------------------------------------------------------------- standard-module-name-resolver [7]100.0% [9] 332(0.2%) 0(0.0%) find-col-file (unknown source) loop [79] 100.0% --------------------------------------------------------------------------- ??? [8] 100.0% [10] 6492(4.4%) 0(0.0%) run-improve43 ...nal-posits/src/mainloop.rkt:340:0 setup-prog!34 [13] 71.8% for-loop [16] 23.0% simplify! [17] 5.2% --------------------------------------------------------------------------- ??? [8] 100.0% [11] 1810(1.2%) 0(0.0%) eval-errors ...ptional-posits/src/points.rkt:198:0 for-loop [14] 100.0% --------------------------------------------------------------------------- ??? [8] 100.0% [12] 1502(1.0%) 0(0.0%) oracle-error ...tional-posits/src/points.rkt:207:0 for-loop [15] 100.0% --------------------------------------------------------------------------- run-improve43 [10] 100.0% [13] 4660(3.2%) 0(0.0%) setup-prog!34 ...onal-posits/src/mainloop.rkt:67:0 loop [18] 100.0% --------------------------------------------------------------------------- eval-errors [11] 100.0% [14] 1810(1.2%) 0(0.0%) for-loop ...e/optional-posits/src/points.rkt:200:2 ??? [48] 50.2% ??? [61] 16.7% ??? [94] 16.6% ordinary-value? [49] 16.6% --------------------------------------------------------------------------- oracle-error [12] 100.0% [15] 1502(1.0%) 0(0.0%) for-loop ...e/optional-posits/src/points.rkt:208:2 loop [36] 100.0% --------------------------------------------------------------------------- run-improve43 [10] 100.0% [16] 1492(1.0%) 0(0.0%) for-loop ...optional-posits/src/mainloop.rkt:355:4 run-iter! [19] 100.0% --------------------------------------------------------------------------- run-improve43 [10] 100.0% [17] 340(0.2%) 0(0.0%) simplify! ...ptional-posits/src/mainloop.rkt:217:0 ??? [20] 100.0% --------------------------------------------------------------------------- setup-prog!34 [13] 3.4% ??? [8] 96.6% [18] 138202(94.2%) 0(0.0%) loop ...erbie/optional-posits/src/points.rkt:300:2 loop [28] 34.4% make-exacts-walkup [29] 31.8% loop [21] 31.7% for-loop [22] 1.1% filter-p&e [24] 0.7% debug5 [27] 0.2% --------------------------------------------------------------------------- for-loop [16] 100.0% [19] 1492(1.0%) 0(0.0%) run-iter! ...ptional-posits/src/mainloop.rkt:321:0 localize! [23] 80.3% finalize-iter! [26] 19.7% --------------------------------------------------------------------------- simplify! [17] 100.0% [20] 340(0.2%) 0(0.0%) ??? .../optional-posits/src/core/simplify.rkt:26:0 one-iter [25] 100.0% --------------------------------------------------------------------------- loop [18] 100.0% [21] 43768(29.8%) 0(0.0%) loop ...erbie/optional-posits/src/points.rkt:261:2 loop [28] 50.8% make-exacts-walkup [29] 49.2% --------------------------------------------------------------------------- loop [18] 100.0% [22] 1562(1.1%) 0(0.0%) for-loop .../optional-posits/src/points.rkt:320:19 ??? [30] 100.0% --------------------------------------------------------------------------- run-iter! [19] 100.0% [23] 1198(0.8%) 0(0.0%) localize! ...ptional-posits/src/mainloop.rkt:120:0 localize-error [32] 75.1% for-loop [35] 24.9% --------------------------------------------------------------------------- loop [18] 100.0% [24] 988(0.7%) 0(0.0%) filter-p&e ...optional-posits/src/points.rkt:274:0 for-loop [31] 100.0% --------------------------------------------------------------------------- ??? [20] 100.0% [25] 340(0.2%) 0(0.0%) one-iter ...onal-posits/src/core/simplify.rkt:85:0 for-loop [34] 100.0% --------------------------------------------------------------------------- run-iter! [19] 100.0% [26] 294(0.2%) 0(0.0%) finalize-iter! ...al-posits/src/mainloop.rkt:272:0 ??? [33] 100.0% --------------------------------------------------------------------------- loop [18] 100.0% [27] 286(0.2%) 0(0.0%) debug5 ...rbie/optional-posits/src/debug.rkt:102:0 ??? [33] 100.0% --------------------------------------------------------------------------- loop [21] 31.9% loop [18] 68.1% [28] 69858(47.6%) 0(0.0%) loop ...erbie/optional-posits/src/points.rkt:244:4 loop [36] 100.0% --------------------------------------------------------------------------- loop [21] 32.8% loop [18] 67.2% [29] 65508(44.6%) 0(0.0%) make-exacts-walkup ...-posits/src/points.rkt:240:0 loop [36] 98.5% eval-prog [37] 1.5% --------------------------------------------------------------------------- for-loop [22] 100.0% [30] 1562(1.1%) 0(0.0%) ??? ...herbie/optional-posits/src/points.rkt:127:2 ??? [61] 79.4% compose [40] 20.6% --------------------------------------------------------------------------- filter-p&e [24] 100.0% [31] 988(0.7%) 0(0.0%) for-loop ...e/optional-posits/src/points.rkt:276:2 ordinary-value? [49] 100.0% --------------------------------------------------------------------------- localize! [23] 100.0% [32] 900(0.6%) 0(0.0%) localize-error ...osits/src/core/localize.rkt:57:0 hash-ref! [43] 100.0% --------------------------------------------------------------------------- debug5 [27] 49.3% finalize-iter! [26] 50.7% [33] 580(0.4%) 286(0.2%) ??? ...contract/private/arrow-val-first.rkt:388:18 for-loop [41] 50.7% --------------------------------------------------------------------------- one-iter [25] 100.0% [34] 340(0.2%) 0(0.0%) for-loop ...onal-posits/src/core/simplify.rkt:94:2 loop [39] 100.0% --------------------------------------------------------------------------- localize! [23] 100.0% [35] 298(0.2%) 0(0.0%) for-loop ...optional-posits/src/mainloop.rkt:123:2 errors-score [38] 100.0% --------------------------------------------------------------------------- map [56] 0.0% ??? [8] 0.2% ??? [4] 0.2% make-exacts-walkup [29] 0.9% for-loop [15] 1.1% loop [28] 1.4% loop [36] 96.1% [36] 137102(93.4%) 348(0.2%) loop ...-7.0/collects/racket/private/map.rkt:40:19 loop [36] 96.1% composed [42] 2.3% ulp-difference [77] 0.7% ??? [48] 0.2% hash-ref! [43] 0.2% ??? [61] 0.2% eval-prog [37] 0.2% ??? [60] 0.0% --------------------------------------------------------------------------- loop [36] 23.3% make-exacts-walkup [29] 76.7% [37] 1290(0.9%) 0(0.0%) eval-prog ...optional-posits/src/programs.rkt:83:0 temp68_2 [45] 49.1% loop [79] 25.7% hash-ref! [43] 25.1% --------------------------------------------------------------------------- for-loop [35] 24.5% ??? [8] 75.5% [38] 1216(0.8%) 298(0.2%) errors-score ...tional-posits/src/points.rkt:215:0 loop [44] 75.5% --------------------------------------------------------------------------- for-loop [34] 100.0% [39] 340(0.2%) 0(0.0%) loop ...optional-posits/src/core/simplify.rkt:99:4 apply-match [46] 100.0% --------------------------------------------------------------------------- ??? [30] 100.0% [40] 322(0.2%) 322(0.2%) compose ...collects/racket/private/list.rkt:385:12 --------------------------------------------------------------------------- ??? [33] 100.0% [41] 294(0.2%) 0(0.0%) for-loop ...nal-posits/src/core/alt-table.rkt:56:2 atab-add-altn [47] 100.0% --------------------------------------------------------------------------- loop [36] 100.0% [42] 126616(86.3%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 ??? [48] 100.0% --------------------------------------------------------------------------- eval-prog [37] 6.6% localize-error [32] 18.4% loop [36] 19.9% map [56] 55.1% [43] 1224(0.8%) 0(0.0%) hash-ref! .../racket/private/more-scheme.rkt:376:2 parse-loop30 [50] 73.5% ??? [4] 19.9% bigfloat-hash [53] 6.6% --------------------------------------------------------------------------- errors-score [38] 100.0% [44] 918(0.6%) 0(0.0%) loop .../racket-7.0/collects/racket/list.rkt:559:2 ordinary-value? [49] 100.0% --------------------------------------------------------------------------- eval-prog [37] 100.0% [45] 634(0.4%) 300(0.2%) temp68_2 (unknown source) compile16 [52] 52.7% --------------------------------------------------------------------------- loop [39] 100.0% [46] 340(0.2%) 0(0.0%) apply-match ...l-posits/src/core/simplify.rkt:64:0 for-loop [51] 100.0% --------------------------------------------------------------------------- for-loop [41] 100.0% [47] 294(0.2%) 0(0.0%) atab-add-altn ...sits/src/core/alt-table.rkt:202:0 errors [2] 100.0% --------------------------------------------------------------------------- ??? [8] 0.3% for-loop [14] 0.7% loop [36] 5.7% composed [42] 93.4% [48] 135604(92.4%) 1010(0.7%) ??? ...erbie/optional-posits/src/programs.rkt:99:2 ??? [54] 87.6% ??? [61] 11.5% ??? [94] 0.2% --------------------------------------------------------------------------- for-loop [14] 13.6% loop [44] 41.6% for-loop [31] 44.8% [49] 2206(1.5%) 0(0.0%) ordinary-value? ...ional-posits/src/float.rkt:80:0 special-value? [55] 100.0% --------------------------------------------------------------------------- hash-ref! [43] 100.0% [50] 900(0.6%) 0(0.0%) parse-loop30 ...s/racket/match/compiler.rkt:418:15 map [56] 100.0% --------------------------------------------------------------------------- apply-match [46] 100.0% [51] 340(0.2%) 0(0.0%) for-loop ...onal-posits/src/core/simplify.rkt:77:2 merge-egraph-nodes! [57] 100.0% --------------------------------------------------------------------------- temp68_2 [45] 100.0% [52] 334(0.2%) 0(0.0%) compile16 (unknown source) temp74_0 [58] 100.0% --------------------------------------------------------------------------- hash-ref! [43] 100.0% [53] 324(0.2%) 0(0.0%) bigfloat-hash ...h/private/bigfloat/mpfr.rkt:167:0 bfcanonicalize [59] 100.0% --------------------------------------------------------------------------- ??? [48] 100.0% [54] 118762(80.9%) 690(0.5%) ??? ...t-7.0/collects/racket/private/kw.rkt:592:14 ??? [60] 99.1% ??? [61] 0.3% --------------------------------------------------------------------------- ordinary-value? [49] 100.0% [55] 2206(1.5%) 656(0.4%) special-value? ...tional-posits/src/float.rkt:76:0 for-loop [90] 70.3% --------------------------------------------------------------------------- parse-loop30 [50] 100.0% [56] 900(0.6%) 0(0.0%) map ...t-7.0/collects/racket/private/map.rkt:35:13 hash-ref! [43] 75.0% loop [36] 16.7% loop [63] 8.3% --------------------------------------------------------------------------- for-loop [51] 100.0% [57] 340(0.2%) 340(0.2%) merge-egraph-nodes! ...s/src/core/egraph.rkt:143:0 --------------------------------------------------------------------------- compile16 [52] 100.0% [58] 334(0.2%) 0(0.0%) temp74_0 (unknown source) expand-single [62] 100.0% --------------------------------------------------------------------------- bigfloat-hash [53] 100.0% [59] 324(0.2%) 324(0.2%) bfcanonicalize .../private/bigfloat/mpfr.rkt:157:0 --------------------------------------------------------------------------- loop [36] 0.5% ??? [54] 99.5% [60] 118300(80.6%) 362(0.2%) ??? ...tract/private/arrow-higher-order.rkt:361:33 bf-complex-exp [64] 72.8% bf-complex-div [65] 22.9% bf-complex-add [68] 2.3% bf-complex-neg [70] 1.7% --------------------------------------------------------------------------- loop [36] 1.6% for-loop [14] 1.6% ??? [54] 2.0% ??? [8] 3.2% ??? [30] 6.8% ??? [48] 84.7% [61] 18340(12.5%) 2774(1.9%) ??? ...tract/private/arrow-higher-order.rkt:357:33 bf [66] 42.4% ->bf [67] 27.4% ->flonum [69] 11.8% sample-multi-bounded [72] 3.3% --------------------------------------------------------------------------- temp74_0 [58] 100.0% [62] 334(0.2%) 0(0.0%) expand-single (unknown source) expand-capturing-lifts [71] 100.0% --------------------------------------------------------------------------- map [56] 16.7% loop [63] 83.3% [63] 300(0.2%) 0(0.0%) loop ...-7.0/collects/racket/private/map.rkt:54:19 loop [63] 83.3% ??? [73] 16.7% --------------------------------------------------------------------------- ??? [60] 100.0% [64] 86176(58.7%) 298(0.2%) bf-complex-exp ...l-posits/src/bigcomplex.rkt:37:0 ??? [81] 90.2% bf* [74] 9.5% --------------------------------------------------------------------------- ??? [60] 100.0% [65] 27060(18.4%) 1938(1.3%) bf-complex-div ...l-posits/src/bigcomplex.rkt:54:0 ??? [81] 57.5% bf* [74] 29.0% ...higher-order.rkt:361:33 [75] 6.3% --------------------------------------------------------------------------- ??? [61] 100.0% [66] 7772(5.3%) 0(0.0%) bf ...ath-lib/math/private/bigfloat/mpfr.rkt:601:2 new-mpfr [92] 86.7% ??? [93] 13.3% --------------------------------------------------------------------------- ??? [61] 100.0% [67] 5032(3.4%) 706(0.5%) ->bf ...herbie/optional-posits/src/float.rkt:170:0 for-loop [90] 86.0% --------------------------------------------------------------------------- ??? [60] 100.0% [68] 2674(1.8%) 0(0.0%) bf-complex-add ...l-posits/src/bigcomplex.rkt:23:0 ??? [81] 100.0% --------------------------------------------------------------------------- ??? [61] 100.0% [69] 2164(1.5%) 0(0.0%) ->flonum ...ie/optional-posits/src/float.rkt:149:0 ??? [76] 100.0% --------------------------------------------------------------------------- ??? [60] 100.0% [70] 2028(1.4%) 0(0.0%) bf-complex-neg ...l-posits/src/bigcomplex.rkt:20:0 ??? [81] 64.5% ...higher-order.rkt:361:33 [75] 35.5% --------------------------------------------------------------------------- loop [79] 49.8% expand-single [62] 50.2% [71] 666(0.5%) 0(0.0%) expand-capturing-lifts (unknown source) lambda-clause-expander [78] 50.2% loop [79] 49.8% --------------------------------------------------------------------------- ??? [61] 100.0% [72] 598(0.4%) 298(0.2%) sample-multi-bounded ...posits/src/points.rkt:15:0 loop [80] 50.2% --------------------------------------------------------------------------- loop [63] 100.0% [73] 300(0.2%) 0(0.0%) ??? ...optional-posits/src/core/localize.rkt:50:36 ulp-difference [77] 100.0% --------------------------------------------------------------------------- bf-complex-div [65] 49.0% bf-complex-exp [64] 51.0% [74] 16026(10.9%) 356(0.2%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [81] 97.8% --------------------------------------------------------------------------- bf-complex-neg [70] 29.7% bf-complex-div [65] 70.3% [75] 2428(1.7%) 358(0.2%) ...higher-order.rkt:361:33 (unknown source) ??? [84] 71.8% ??? [94] 13.4% --------------------------------------------------------------------------- ->flonum [69] 100.0% [76] 2164(1.5%) 300(0.2%) ??? ...s/herbie/optional-posits/src/float.rkt:23:2 for-loop [82] 86.1% --------------------------------------------------------------------------- ??? [73] 14.1% loop [36] 42.4% ??? [8] 43.5% [77] 2128(1.4%) 302(0.2%) ulp-difference ...tional-posits/src/float.rkt:46:0 infer-representation [83] 85.8% --------------------------------------------------------------------------- expand-capturing-lifts [71] 100.0% [78] 334(0.2%) 0(0.0%) lambda-clause-expander (unknown source) finish-bodys [85] 100.0% --------------------------------------------------------------------------- find-col-file [9] 16.7% expand-capturing-lifts [71] 16.7% eval-prog [37] 16.7% loop [79] 50.0% [79] 332(0.2%) 0(0.0%) loop (unknown source) loop [79] 50.0% expand-capturing-lifts [71] 16.7% for-loop [91] 16.7% temp10 [86] 16.7% --------------------------------------------------------------------------- sample-multi-bounded [72] 100.0% [80] 300(0.2%) 0(0.0%) loop ...herbie/optional-posits/src/points.rkt:42:6 random-exp [87] 100.0% --------------------------------------------------------------------------- bf-complex-neg [70] 1.2% bf-complex-add [68] 2.4% bf-complex-div [65] 13.8% bf* [74] 13.9% bf-complex-exp [64] 68.8% [81] 112918(76.9%) 70370(47.9%) ??? ...-racket/utils/simple-result-arrow.rkt:39:12 bfadd [88] 24.2% bfneg [89] 13.5% --------------------------------------------------------------------------- ??? [76] 100.0% [82] 1864(1.3%) 1270(0.9%) for-loop ...bie/optional-posits/src/float.rkt:24:5 ??? [96] 16.1% keyword-apply [104] 15.8% --------------------------------------------------------------------------- ulp-difference [77] 100.0% [83] 1826(1.2%) 626(0.4%) infer-representation ...-posits/src/float.rkt:15:0 for-loop [90] 65.7% --------------------------------------------------------------------------- ...higher-order.rkt:361:33 [75] 100.0% [84] 1744(1.2%) 1400(1.0%) ??? ...cts/racket/contract/private/list.rkt:209:10 ??? [94] 19.7% --------------------------------------------------------------------------- lambda-clause-expander [78] 8.3% for-loop [91] 91.7% [85] 334(0.2%) 0(0.0%) finish-bodys (unknown source) for-loop [91] 100.0% --------------------------------------------------------------------------- loop [79] 100.0% [86] 332(0.2%) 332(0.2%) temp10 (unknown source) --------------------------------------------------------------------------- loop [80] 100.0% [87] 300(0.2%) 300(0.2%) random-exp ...optional-posits/src/common.rkt:172:0 --------------------------------------------------------------------------- ??? [81] 100.0% [88] 27320(18.6%) 0(0.0%) bfadd ...-lib/math/private/bigfloat/mpfr.rkt:821:4 new-mpfr [92] 70.1% ??? [93] 29.9% --------------------------------------------------------------------------- ??? [81] 100.0% [89] 15228(10.4%) 1022(0.7%) bfneg ...-lib/math/private/bigfloat/mpfr.rkt:618:4 new-mpfr [92] 70.9% ??? [93] 22.4% --------------------------------------------------------------------------- infer-representation [83] 17.0% special-value? [55] 21.9% ->bf [67] 61.1% [90] 7076(4.8%) 4456(3.0%) for-loop ...bie/optional-posits/src/float.rkt:17:3 return/no-unsupplied [95] 13.5% keyword-apply [104] 13.4% ??? [96] 5.9% ??? [94] 4.2% --------------------------------------------------------------------------- for-loop [91] 3.9% temp37_0 [98] 16.6% run-module-instance!125 [99] 16.6% loop [79] 16.6% finish-bodys [85] 46.3% [91] 666(0.5%) 0(0.0%) for-loop (unknown source) finish-bodys [85] 42.4% run-module-instance!125 [99] 16.6% temp37_0 [98] 16.6% module-path-index-resolve [3] 16.6% for-loop [91] 3.9% expand-implicit [97] 3.9% --------------------------------------------------------------------------- bf [66] 18.4% bfneg [89] 29.4% bfadd [88] 52.2% [92] 36690(25.0%) 36690(25.0%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:335:0 --------------------------------------------------------------------------- bf [66] 8.2% bfneg [89] 27.0% bfadd [88] 64.8% [93] 12608(8.6%) 12608(8.6%) ??? /opt/racket-7.0/collects/ffi/unsafe.rkt:898:4 --------------------------------------------------------------------------- for-loop [90] 15.9% ??? [48] 15.9% for-loop [14] 15.9% ??? [8] 16.9% ...higher-order.rkt:361:33 [75] 17.2% ??? [84] 18.2% [94] 1890(1.3%) 970(0.7%) ??? ...ects/racket/contract/private/guts.rkt:746:8 value? [100] 48.7% --------------------------------------------------------------------------- for-loop [90] 100.0% [95] 956(0.7%) 610(0.4%) return/no-unsupplied ...ct/private/arr-i.rkt:534:0 filter [102] 36.2% --------------------------------------------------------------------------- for-loop [82] 41.8% for-loop [90] 58.2% [96] 718(0.5%) 300(0.2%) ??? ...s/racket/contract/private/arr-i.rkt:1252:29 ??? [101] 58.2% --------------------------------------------------------------------------- for-loop [91] 100.0% [97] 334(0.2%) 0(0.0%) expand-implicit (unknown source) binding-lookup50 [103] 100.0% --------------------------------------------------------------------------- for-loop [91] 100.0% [98] 332(0.2%) 0(0.0%) temp37_0 (unknown source) for-loop [91] 100.0% --------------------------------------------------------------------------- for-loop [91] 100.0% [99] 332(0.2%) 0(0.0%) run-module-instance!125 (unknown source) for-loop [91] 100.0% --------------------------------------------------------------------------- ??? [94] 100.0% [100] 920(0.6%) 320(0.2%) value? ...ptional-posits/src/syntax/types.rkt:18:0 keyword-apply [104] 65.2% --------------------------------------------------------------------------- ??? [96] 100.0% [101] 418(0.3%) 418(0.3%) ??? ...ects/racket/contract/private/prop.rkt:274:4 --------------------------------------------------------------------------- return/no-unsupplied [95] 100.0% [102] 346(0.2%) 346(0.2%) filter ...0/collects/racket/private/list.rkt:256:2 --------------------------------------------------------------------------- expand-implicit [97] 100.0% [103] 334(0.2%) 334(0.2%) binding-lookup50 (unknown source) --------------------------------------------------------------------------- for-loop [82] 16.0% value? [100] 32.6% for-loop [90] 51.4% [104] 1840(1.3%) 1840(1.3%) keyword-apply ...lects/racket/private/kw.rkt:421:2 ---------------------------------------------------------------------------