Profiling results ----------------- Total cpu time observed: 15972ms (out of 16224ms) Number of samples taken: 73 (once every 219ms) ======================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ======================================================================== ??? [37] 100.0% [1] 15764(98.7%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [9] 100.0% ------------------------------------------------------------------------ ??? [37] 100.0% [2] 9302(58.2%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 get-final-combination [10] 62.1% for-loop [11] 31.4% finalize-table! [15] 6.5% ------------------------------------------------------------------------ ??? [37] 100.0% [3] 1848(11.6%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 for-loop [12] 56.7% simplify-expr [13] 43.3% ------------------------------------------------------------------------ copying-mergesort [51] 100.0% [4] 1626(10.2%) 0(0.0%) jloop ...et/collects/racket/private/sort.rkt:85:19 ??? [69] 100.0% ------------------------------------------------------------------------ hash-ref! [85] 100.0% [5] 652(4.1%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [14] 100.0% ------------------------------------------------------------------------ hash-ref! [85] 100.0% [6] 450(2.8%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:285:26 for-loop [16] 100.0% ------------------------------------------------------------------------ hash-ref! [85] 100.0% [7] 242(1.5%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:197:5 loop [68] 100.0% ------------------------------------------------------------------------ f37 [70] 100.0% [8] 202(1.3%) 0(0.0%) taylor-invert .../herbie/src/core/taylor.rkt:312:0 first-nonzero-exp [17] 100.0% ------------------------------------------------------------------------ profile-thunk14 [1] 100.0% [9] 15764(98.7%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [37] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [10] 5778(36.2%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 split-table [18] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [11] 2920(18.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [19] 100.0% ------------------------------------------------------------------------ simplify [3] 100.0% [12] 1048(6.6%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [20] 100.0% ------------------------------------------------------------------------ simplify [3] 100.0% [13] 800(5.0%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [20] 100.0% ------------------------------------------------------------------------ ??? [5] 100.0% [14] 652(4.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [85] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [15] 604(3.8%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [21] 100.0% ------------------------------------------------------------------------ ??? [6] 100.0% [16] 450(2.8%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:285:52 hash-ref! [85] 55.1% ??? [22] 44.9% ------------------------------------------------------------------------ taylor-invert [8] 100.0% [17] 202(1.3%) 0(0.0%) first-nonzero-exp ...bie/src/core/taylor.rkt:260:0 hash-ref! [85] 100.0% ------------------------------------------------------------------------ get-final-combination [10] 100.0% [18] 5778(36.2%) 0(0.0%) split-table .../ztatlock/herbie/src/glue.rkt:171:0 infer-splitpoints4 [23] 100.0% ------------------------------------------------------------------------ for-loop [11] 100.0% [19] 2920(18.3%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [24] 63.3% gen-series! [26] 22.3% gen-rewrites! [28] 7.5% finalize-iter! [29] 6.8% ------------------------------------------------------------------------ simplify-expr [13] 43.3% for-loop [12] 56.7% [20] 1848(11.6%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [25] 100.0% ------------------------------------------------------------------------ finalize-table! [15] 100.0% [21] 604(3.8%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 for-loop [27] 66.9% ??? [35] 33.1% ------------------------------------------------------------------------ for-loop [16] 100.0% [22] 202(1.3%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:288:19 hash-ref! [85] 100.0% ------------------------------------------------------------------------ split-table [18] 100.0% [23] 5778(36.2%) 0(0.0%) infer-splitpoints4 ...ie/src/core/regimes.rkt:19:0 option-on-expr [30] 74.6% loop [68] 25.4% ------------------------------------------------------------------------ run-iter! [19] 100.0% [24] 1848(11.6%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [31] 100.0% ------------------------------------------------------------------------ iterate-egraph!5 [20] 100.0% [25] 1848(11.6%) 0(0.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [32] 100.0% ------------------------------------------------------------------------ run-iter! [19] 100.0% [26] 652(4.1%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [33] 100.0% ------------------------------------------------------------------------ post-process [21] 100.0% [27] 404(2.5%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [34] 100.0% ------------------------------------------------------------------------ run-iter! [19] 100.0% [28] 220(1.4%) 0(0.0%) gen-rewrites! ...ock/herbie/src/mainloop.rkt:148:0 for-loop [36] 100.0% ------------------------------------------------------------------------ run-iter! [19] 100.0% [29] 200(1.3%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [35] 100.0% ------------------------------------------------------------------------ loop [68] 25.4% infer-splitpoints4 [23] 74.6% [30] 5778(36.2%) 0(0.0%) option-on-expr ...erbie/src/core/regimes.rkt:106:0 sort-context-on-expr [38] 92.2% pick-errors [41] 7.8% ------------------------------------------------------------------------ simplify! [24] 100.0% [31] 1848(11.6%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [37] 100.0% ------------------------------------------------------------------------ for-loop [32] 50.0% one-iter [25] 50.0% [32] 1848(11.6%) 402(2.5%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [32] 50.0% match-e [39] 39.1% ------------------------------------------------------------------------ gen-series! [26] 100.0% [33] 652(4.1%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [40] 100.0% ------------------------------------------------------------------------ for-loop [27] 100.0% [34] 404(2.5%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [40] 100.0% ------------------------------------------------------------------------ finalize-iter! [29] 50.0% post-process [21] 50.0% [35] 400(2.5%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [42] 100.0% ------------------------------------------------------------------------ gen-rewrites! [28] 100.0% [36] 220(1.4%) 0(0.0%) for-loop ...tatlock/herbie/src/mainloop.rkt:153:11 ??? [43] 100.0% ------------------------------------------------------------------------ for-loop [31] 3.9% run [9] 47.4% [37] 15972(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 47.4% run-improve58 [2] 27.8% loop [44] 20.9% simplify [3] 3.9% ------------------------------------------------------------------------ option-on-expr [30] 100.0% [38] 5326(33.3%) 0(0.0%) sort-context-on-expr ...herbie/src/points.rkt:50:0 sort [45] 100.0% ------------------------------------------------------------------------ for-loop [54] 14.7% for-loop [32] 85.3% [39] 1446(9.1%) 400(2.5%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [47] 36.0% for-loop [54] 35.5% loop [68] 7.7% ------------------------------------------------------------------------ append-map [34] 38.3% for-loop [33] 61.7% [40] 1056(6.6%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [46] 100.0% ------------------------------------------------------------------------ option-on-expr [30] 100.0% [41] 452(2.8%) 0(0.0%) pick-errors ...k/herbie/src/core/regimes.rkt:173:0 for-loop [48] 100.0% ------------------------------------------------------------------------ ??? [35] 100.0% [42] 400(2.5%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [49] 100.0% ------------------------------------------------------------------------ for-loop [36] 100.0% [43] 220(1.4%) 0(0.0%) ??? /home/ztatlock/herbie/src/alternative.rkt:90:0 rewriter [50] 100.0% ------------------------------------------------------------------------ ??? [37] 100.0% [44] 6670(41.8%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [59] 50.3% loop [52] 49.7% ------------------------------------------------------------------------ sort-context-on-expr [38] 100.0% [45] 5326(33.3%) 0(0.0%) sort ...ket/collects/racket/private/sort.rkt:213:0 copying-mergesort [51] 72.6% loop [60] 27.4% ------------------------------------------------------------------------ taylor-alt [40] 100.0% [46] 1056(6.6%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [53] 100.0% ------------------------------------------------------------------------ match-e [39] 100.0% [47] 620(3.9%) 200(1.3%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 list-cartesian-product [56] 35.5% for-loop [54] 32.3% ------------------------------------------------------------------------ pick-errors [41] 100.0% [48] 452(2.8%) 0(0.0%) for-loop ...lock/herbie/src/core/regimes.rkt:176:4 eval-prog [77] 100.0% ------------------------------------------------------------------------ for-loop [42] 100.0% [49] 400(2.5%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [55] 100.0% ------------------------------------------------------------------------ ??? [43] 33.3% matcher [66] 66.7% [50] 220(1.4%) 0(0.0%) rewriter ...lock/herbie/src/core/matcher.rkt:123:2 for-loop [58] 66.7% *rules* [57] 33.3% ------------------------------------------------------------------------ sort [45] 45.1% copying-mergesort [51] 54.9% [51] 3866(24.2%) 0(0.0%) copying-mergesort .../racket/private/sort.rkt:91:4 copying-mergesort [51] 54.9% loop [60] 34.6% jloop [4] 10.5% ------------------------------------------------------------------------ loop [44] 100.0% [52] 3312(20.7%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 make-exacts* [59] 54.5% loop [61] 45.5% ------------------------------------------------------------------------ location-do [53] 9.6% for-loop [46] 90.4% [53] 1056(6.6%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [63] 71.3% simplify [62] 19.1% location-do [53] 9.6% ------------------------------------------------------------------------ for-loop [47] 24.2% match-e [39] 75.8% [54] 826(5.2%) 200(1.3%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [39] 51.3% ??? [67] 24.5% ------------------------------------------------------------------------ atab-add-altn [49] 100.0% [55] 400(2.5%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [64] 100.0% ------------------------------------------------------------------------ for-loop [47] 100.0% [56] 220(1.4%) 220(1.4%) list-cartesian-product ...src/core/ematch.rkt:20:0 ------------------------------------------------------------------------ rewriter [50] 100.0% [57] 220(1.4%) 0(0.0%) *rules* ...tlock/herbie/src/syntax/rules.rkt:296:0 for-loop [65] 100.0% ------------------------------------------------------------------------ rewriter [50] 100.0% [58] 220(1.4%) 0(0.0%) for-loop ...ock/herbie/src/core/matcher.rkt:126:10 matcher [66] 100.0% ------------------------------------------------------------------------ loop [52] 35.0% loop [44] 65.0% [59] 5164(32.3%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 loop [68] 51.5% map [78] 48.5% ------------------------------------------------------------------------ sort [45] 39.5% copying-mergesort [51] 60.5% [60] 3700(23.2%) 0(0.0%) loop ...cket/collects/racket/private/sort.rkt:64:8 ??? [69] 100.0% ------------------------------------------------------------------------ loop [52] 100.0% [61] 1506(9.4%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [78] 100.0% ------------------------------------------------------------------------ location-do [53] 19.1% hash-ref! [85] 80.9% [62] 1056(6.6%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f37 [70] 61.7% parse-loop50 [74] 19.1% simplify-node [76] 19.1% ------------------------------------------------------------------------ location-do [53] 100.0% [63] 854(5.3%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [71] 100.0% ------------------------------------------------------------------------ best-and-tied-at-points [55] 100.0% [64] 400(2.5%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [72] 100.0% ------------------------------------------------------------------------ *rules* [57] 100.0% [65] 220(1.4%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/common.rkt:205:9 ormap [73] 100.0% ------------------------------------------------------------------------ matcher [66] 50.0% for-loop [58] 50.0% [66] 220(1.4%) 0(0.0%) matcher ...tlock/herbie/src/core/matcher.rkt:159:2 matcher [66] 50.0% rewriter [50] 50.0% ------------------------------------------------------------------------ for-loop [54] 100.0% [67] 202(1.3%) 0(0.0%) ??? /home/ztatlock/herbie/src/core/ematch.rkt:50:5 for-loop [75] 100.0% ------------------------------------------------------------------------ make-exacts* [59] 0.1% ??? [84] 0.1% map [78] 0.7% match-e [39] 2.7% ??? [7] 2.9% infer-splitpoints4 [23] 17.4% loop [68] 76.2% [68] 8420(52.7%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [68] 76.2% option-on-expr [30] 17.4% hash-ref! [85] 2.9% curried [79] 2.7% ??? [84] 0.7% real->bigfloat [89] 0.1% ...e/case-arrow.rkt:150:50 [83] 0.0% ------------------------------------------------------------------------ jloop [4] 30.5% loop [60] 69.5% [69] 5326(33.3%) 0(0.0%) ??? /home/ztatlock/herbie/src/points.rkt:52:27 eval-prog [77] 100.0% ------------------------------------------------------------------------ f37 [70] 11.8% hash-ref! [85] 11.8% map [78] 32.9% simplify [62] 43.5% [70] 854(5.3%) 248(1.6%) f37 ...t/collects/racket/match/compiler.rkt:499:40 map [78] 44.7% f37 [70] 11.8% taylor-invert [8] 11.8% gather-multiplicative-terms [82] 2.6% ------------------------------------------------------------------------ approximate9 [63] 100.0% [71] 854(5.3%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [85] 100.0% ------------------------------------------------------------------------ errors [64] 100.0% [72] 400(2.5%) 400(2.5%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ------------------------------------------------------------------------ for-loop [65] 100.0% [73] 220(1.4%) 0(0.0%) ormap ...et/collects/racket/private/map.rkt:106:13 ??? [80] 100.0% ------------------------------------------------------------------------ simplify [62] 100.0% [74] 202(1.3%) 202(1.3%) parse-loop50 ...s/racket/match/compiler.rkt:410:15 ------------------------------------------------------------------------ ??? [67] 100.0% [75] 202(1.3%) 202(1.3%) for-loop ...atlock/herbie/src/core/ematch.rkt:51:7 ------------------------------------------------------------------------ simplify [62] 100.0% [76] 202(1.3%) 0(0.0%) simplify-node ...k/herbie/src/core/reduce.rkt:41:0 combine-aterms [81] 100.0% ------------------------------------------------------------------------ for-loop [48] 7.8% ??? [69] 92.2% [77] 5778(36.2%) 5128(32.1%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 ??? [86] 7.1% hash-ref! [85] 4.2% ------------------------------------------------------------------------ f37 [70] 9.1% loop [61] 34.1% make-exacts* [59] 56.7% [78] 4416(27.6%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [68] 86.7% f37 [70] 6.9% ??? [84] 4.2% make-multiplication-node [87] 2.3% ------------------------------------------------------------------------ loop [68] 100.0% [79] 224(1.4%) 224(1.4%) curried ...cket/collects/racket/function.rkt:71:18 ------------------------------------------------------------------------ ormap [73] 100.0% [80] 220(1.4%) 220(1.4%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ------------------------------------------------------------------------ simplify-node [76] 100.0% [81] 202(1.3%) 202(1.3%) combine-aterms ...herbie/src/core/reduce.rkt:174:0 ------------------------------------------------------------------------ f37 [70] 100.0% [82] 202(1.3%) 0(0.0%) gather-multiplicative-terms ...re/reduce.rkt:107:0 compose [97] 100.0% ------------------------------------------------------------------------ loop [68] 100.0% [83] 198(1.2%) 198(1.2%) ...e/case-arrow.rkt:150:50 (unknown source) ------------------------------------------------------------------------ map [78] 2.8% loop [68] 97.2% [84] 6670(41.8%) 858(5.4%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [88] 37.0% real->bigfloat [89] 25.2% loop [68] 12.6% ??? [101] 12.3% ------------------------------------------------------------------------ ??? [22] 2.3% for-loop [16] 3.2% first-nonzero-exp [17] 3.7% ??? [92] 5.4% ??? [91] 8.6% for-loop [14] 9.2% loop [68] 11.0% eval-prog [77] 11.0% loop [71] 12.3% ??? [90] 33.2% [85] 1096(6.9%) 242(1.5%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [90] 33.2% simplify [62] 12.3% ??? [7] 11.0% ??? [5] 9.2% ??? [91] 8.6% ??? [6] 5.5% ??? [92] 5.4% f37 [70] 3.7% ------------------------------------------------------------------------ eval-prog [77] 100.0% [86] 408(2.6%) 236(1.5%) ??? ...collects/racket/private/qq-and-or.rkt:155:9 ??? [94] 42.2% ------------------------------------------------------------------------ map [78] 100.0% [87] 202(1.3%) 0(0.0%) make-multiplication-node .../core/reduce.rkt:221:0 make-multiplication-subnode [93]100.0% ------------------------------------------------------------------------ ??? [84] 100.0% [88] 2466(15.4%) 0(0.0%) ??? ...acket/collects/racket/private/kw.rkt:400:14 bf* [95] 42.5% ??? [98] 39.7% ...higher-order.rkt:373:33 [96] 17.8% ------------------------------------------------------------------------ loop [68] 27.7% ??? [84] 72.3% [89] 2328(14.6%) 2328(14.6%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ------------------------------------------------------------------------ hash-ref! [85] 100.0% [90] 854(5.3%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [85] 100.0% ------------------------------------------------------------------------ hash-ref! [85] 100.0% [91] 652(4.1%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [85] 100.0% ------------------------------------------------------------------------ hash-ref! [85] 100.0% [92] 404(2.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:357:30 hash-ref! [85] 100.0% ------------------------------------------------------------------------ make-multiplication-node [87] 100.0% [93] 202(1.3%) 0(0.0%) make-multiplication-subnode ...re/reduce.rkt:231:0 compose [97] 100.0% ------------------------------------------------------------------------ ??? [86] 100.0% [94] 172(1.1%) 172(1.1%) ??? ...ollects/racket/private/qq-and-or.rkt:164:21 ------------------------------------------------------------------------ ??? [88] 100.0% [95] 1048(6.6%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [98] 100.0% ------------------------------------------------------------------------ ??? [88] 100.0% [96] 440(2.8%) 0(0.0%) ...higher-order.rkt:373:33 (unknown source) ??? [99] 100.0% ------------------------------------------------------------------------ gather-multiplicative-terms [82] 50.0% make-multiplication-subnode [93] 50.0% [97] 404(2.5%) 404(2.5%) compose ...collects/racket/private/list.rkt:385:12 ------------------------------------------------------------------------ ??? [88] 48.3% bf* [95] 51.7% [98] 2026(12.7%) 0(0.0%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfsub [100] 71.1% ??? [102] 28.9% ------------------------------------------------------------------------ ...higher-order.rkt:373:33 [96] 100.0% [99] 440(2.8%) 242(1.5%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [101] 45.0% ------------------------------------------------------------------------ ??? [98] 100.0% [100] 1440(9.0%) 1440(9.0%) bfsub ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ------------------------------------------------------------------------ ??? [99] 19.4% ??? [84] 80.6% [101] 1018(6.4%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [102] 100.0% ------------------------------------------------------------------------ ??? [98] 36.5% ??? [101] 63.5% [102] 1604(10.0%) 182(1.1%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [103] 76.3% ??? [104] 12.3% ------------------------------------------------------------------------ ??? [102] 100.0% [103] 1224(7.7%) 620(3.9%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [105] 49.3% ------------------------------------------------------------------------ ??? [102] 100.0% [104] 198(1.2%) 198(1.2%) ??? ...ects/racket/contract/private/prop.rkt:489:4 ------------------------------------------------------------------------ ??? [103] 100.0% [105] 604(3.8%) 604(3.8%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ------------------------------------------------------------------------