Profiling results ----------------- Total cpu time observed: 18364ms (out of 18572ms) Number of samples taken: 85 (once every 216ms) (Hiding functions with self<1.0% and local<2.0%: 1 of 106 hidden) ========================================================================= Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ========================================================================= ??? [32] 100.0% [1] 17520(95.4%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [5] 100.0% ------------------------------------------------------------------------- ??? [32] 100.0% [2] 12470(67.9%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 for-loop [6] 96.8% get-final-combination [9] 3.2% ------------------------------------------------------------------------- loop [70] 1.9% ??? [32] 98.1% [3] 10462(57.0%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [7] 52.8% for-loop [8] 28.4% iterate-egraph!5 [11] 18.8% ------------------------------------------------------------------------- hash-ref! [74] 100.0% [4] 444(2.4%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:197:5 hash-ref! [74] 54.1% loop [70] 45.9% ------------------------------------------------------------------------- profile-thunk14 [1] 100.0% [5] 17520(95.4%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [32] 100.0% ------------------------------------------------------------------------- run-improve58 [2] 100.0% [6] 12070(65.7%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [10] 100.0% ------------------------------------------------------------------------- simplify [3] 100.0% [7] 5526(30.1%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [11] 91.7% loop [13] 4.3% mk-egraph [14] 4.0% ------------------------------------------------------------------------- simplify [3] 100.0% [8] 2968(16.2%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [11] 100.0% ------------------------------------------------------------------------- run-improve58 [2] 100.0% [9] 400(2.2%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 extract-alt [12] 100.0% ------------------------------------------------------------------------- for-loop [6] 100.0% [10] 12070(65.7%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [15] 85.0% finalize-iter! [17] 8.4% gen-series! [18] 5.0% localize-error [21] 1.7% ------------------------------------------------------------------------- simplify [3] 19.7% for-loop [8] 29.7% simplify-expr [7] 50.6% [11] 10002(54.5%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [16] 98.0% ------------------------------------------------------------------------- get-final-combination [9] 100.0% [12] 400(2.2%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:57:0 loop [22] 50.0% loop [70] 50.0% ------------------------------------------------------------------------- simplify-expr [7] 100.0% [13] 240(1.3%) 0(0.0%) loop ...tatlock/herbie/src/core/simplify.rkt:203:2 pass [19] 100.0% ------------------------------------------------------------------------- simplify-expr [7] 100.0% [14] 220(1.2%) 0(0.0%) mk-egraph ...lock/herbie/src/core/egraph.rkt:123:0 expr->enode [20] 100.0% ------------------------------------------------------------------------- run-iter! [10] 100.0% [15] 10262(55.9%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [23] 100.0% ------------------------------------------------------------------------- iterate-egraph!5 [11] 100.0% [16] 9802(53.4%) 440(2.4%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [24] 57.7% loop [25] 37.8% ------------------------------------------------------------------------- run-iter! [10] 100.0% [17] 1008(5.5%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [26] 100.0% ------------------------------------------------------------------------- run-iter! [10] 100.0% [18] 598(3.3%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [27] 100.0% ------------------------------------------------------------------------- loop [13] 100.0% [19] 240(1.3%) 0(0.0%) pass ...tatlock/herbie/src/core/simplify.rkt:193:2 for-loop [28] 100.0% ------------------------------------------------------------------------- expr->enode [20] 50.0% mk-egraph [14] 50.0% [20] 220(1.2%) 0(0.0%) expr->enode ...ck/herbie/src/core/egraph.rkt:124:2 expr->enode [20] 50.0% mk-enode! [29] 50.0% ------------------------------------------------------------------------- run-iter! [10] 100.0% [21] 202(1.1%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 sort [30] 100.0% ------------------------------------------------------------------------- extract-alt [12] 100.0% [22] 200(1.1%) 0(0.0%) loop /home/ztatlock/herbie/src/common.rkt:86:2 composed [31] 100.0% ------------------------------------------------------------------------- simplify! [15] 100.0% [23] 10262(55.9%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [32] 100.0% ------------------------------------------------------------------------- for-loop [24] 48.2% one-iter [16] 51.8% [24] 5654(30.8%) 1926(10.5%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [24] 48.2% match-e [39] 33.0% ------------------------------------------------------------------------- one-iter [16] 100.0% [25] 3708(20.2%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [33] 100.0% ------------------------------------------------------------------------- finalize-iter! [17] 100.0% [26] 1008(5.5%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [34] 100.0% ------------------------------------------------------------------------- gen-series! [18] 100.0% [27] 598(3.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [35] 100.0% ------------------------------------------------------------------------- pass [19] 100.0% [28] 240(1.3%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:196:29 loop [36] 100.0% ------------------------------------------------------------------------- expr->enode [20] 100.0% [29] 220(1.2%) 220(1.2%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 ------------------------------------------------------------------------- localize-error [21] 100.0% [30] 202(1.1%) 0(0.0%) sort ...ket/collects/racket/private/sort.rkt:213:0 copying-mergesort [37] 100.0% ------------------------------------------------------------------------- loop [22] 100.0% [31] 200(1.1%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [58] 100.0% ------------------------------------------------------------------------- for-loop [23] 19.4% run [5] 39.2% [32] 18364(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 39.2% run-improve58 [2] 25.4% simplify [3] 19.4% loop [38] 16.0% ------------------------------------------------------------------------- loop [25] 100.0% [33] 3708(20.2%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 update-leader! [56] 35.7% match-e [39] 28.7% merge-egraph-nodes! [47] 22.6% loop! [76] 6.5% for-loop [42] 6.5% ------------------------------------------------------------------------- ??? [26] 100.0% [34] 1008(5.5%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [40] 100.0% ------------------------------------------------------------------------- for-loop [27] 100.0% [35] 598(3.3%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [41] 100.0% ------------------------------------------------------------------------- for-loop [28] 100.0% [36] 240(1.3%) 0(0.0%) loop ...hare/racket/collects/racket/list.rkt:729:4 expression-cost [43] 100.0% ------------------------------------------------------------------------- sort [30] 100.0% [37] 202(1.1%) 0(0.0%) copying-mergesort .../racket/private/sort.rkt:91:4 errors-score [44] 100.0% ------------------------------------------------------------------------- ??? [32] 100.0% [38] 5894(32.1%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [54] 53.5% loop [45] 46.5% ------------------------------------------------------------------------- apply-match [33] 11.1% for-loop [55] 28.0% for-loop [24] 60.9% [39] 4794(26.1%) 2484(13.5%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [46] 37.8% for-loop [55] 18.0% constant? [52] 4.2% ------------------------------------------------------------------------- for-loop [34] 100.0% [40] 1008(5.5%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [48] 80.2% override-at-pnts [53] 19.8% ------------------------------------------------------------------------- taylor-alt [35] 100.0% [41] 598(3.3%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [49] 100.0% ------------------------------------------------------------------------- apply-match [33] 100.0% [42] 240(1.3%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:136:10 merge-egraph-nodes! [47] 100.0% ------------------------------------------------------------------------- loop [36] 100.0% [43] 240(1.3%) 0(0.0%) expression-cost ...k/herbie/src/programs.rkt:212:0 compile [50] 100.0% ------------------------------------------------------------------------- copying-mergesort [37] 100.0% [44] 202(1.1%) 0(0.0%) errors-score ...atlock/herbie/src/points.rkt:154:0 loop [51] 100.0% ------------------------------------------------------------------------- loop [38] 100.0% [45] 2742(14.9%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [57] 57.8% make-exacts* [54] 34.7% eval-prog [65] 7.4% ------------------------------------------------------------------------- match-e [39] 100.0% [46] 2548(13.9%) 664(3.6%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [55] 57.7% list-cartesian-product [59] 20.5% ------------------------------------------------------------------------- for-loop [42] 22.3% apply-match [33] 77.7% [47] 1078(5.9%) 0(0.0%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 update-leader! [56] 61.2% for-loop [61] 20.6% loop! [76] 18.2% ------------------------------------------------------------------------- atab-add-altn [40] 100.0% [48] 808(4.4%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [58] 75.0% for-loop [62] 25.0% ------------------------------------------------------------------------- location-do [49] 39.2% for-loop [41] 60.8% [49] 598(3.3%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [60] 60.8% location-do [49] 39.2% ------------------------------------------------------------------------- expression-cost [43] 100.0% [50] 240(1.3%) 0(0.0%) compile .../ztatlock/herbie/src/programs.rkt:189:0 hash-ref! [74] 100.0% ------------------------------------------------------------------------- errors-score [44] 100.0% [51] 202(1.1%) 202(1.1%) loop ...hare/racket/collects/racket/list.rkt:551:2 ------------------------------------------------------------------------- match-e [39] 100.0% [52] 200(1.1%) 200(1.1%) constant? ...ck/herbie/src/syntax/syntax.rkt:221:0 ------------------------------------------------------------------------- atab-add-altn [40] 100.0% [53] 200(1.1%) 0(0.0%) override-at-pnts ...e/src/core/alt-table.rkt:145:0 errors [58] 100.0% ------------------------------------------------------------------------- loop [45] 23.2% loop [38] 76.8% [54] 4104(22.3%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [63] 58.7% loop [70] 41.3% ------------------------------------------------------------------------- match-e [39] 42.6% for-loop [46] 57.4% [55] 2948(16.1%) 602(3.3%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [39] 83.0% ------------------------------------------------------------------------- merge-egraph-nodes! [47] 33.3% apply-match [33] 66.7% [56] 1982(10.8%) 220(1.2%) update-leader! ...herbie/src/core/egraph.rkt:217:0 for-loop [64] 78.8% update-en-expr [67] 10.1% ------------------------------------------------------------------------- loop [45] 100.0% [57] 1586(8.6%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [63] 100.0% ------------------------------------------------------------------------- override-at-pnts [53] 19.9% composed [31] 19.9% best-and-tied-at-points [48] 60.2% [58] 1006(5.5%) 200(1.1%) errors /home/ztatlock/herbie/src/points.rkt:144:0 eval-prog [65] 40.2% for-loop [68] 40.0% ------------------------------------------------------------------------- list-cartesian-product [59] 13.2% for-loop [46] 86.8% [59] 844(4.6%) 844(4.6%) list-cartesian-product ...src/core/ematch.rkt:20:0 list-cartesian-product [59] 13.2% ------------------------------------------------------------------------- location-do [49] 100.0% [60] 598(3.3%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [66] 100.0% ------------------------------------------------------------------------- merge-egraph-nodes! [47] 100.0% [61] 222(1.2%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/common.rkt:205:9 update-en-expr [67] 100.0% ------------------------------------------------------------------------- best-and-tied-at-points [48] 100.0% [62] 202(1.1%) 0(0.0%) for-loop ...k/herbie/src/core/alt-table.rkt:124:16 ??? [69] 100.0% ------------------------------------------------------------------------- f143 [96] 9.1% loop [57] 36.1% make-exacts* [54] 54.8% [63] 4394(23.9%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [70] 90.9% parse-loop25 [90] 4.5% f143 [96] 4.5% ------------------------------------------------------------------------- update-leader! [56] 100.0% [64] 1562(8.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:222:6 for-loop [71] 100.0% ------------------------------------------------------------------------- loop [45] 33.6% errors [58] 66.4% [65] 608(3.3%) 404(2.2%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 hash-ref! [74] 33.6% ------------------------------------------------------------------------- approximate9 [60] 100.0% [66] 598(3.3%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [74] 100.0% ------------------------------------------------------------------------- update-leader! [56] 47.4% for-loop [61] 52.6% [67] 422(2.3%) 422(2.3%) update-en-expr ...herbie/src/core/egraph.rkt:211:0 ------------------------------------------------------------------------- errors [58] 100.0% [68] 402(2.2%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [72] 50.2% ->flonum [75] 49.8% ------------------------------------------------------------------------- for-loop [62] 100.0% [69] 202(1.1%) 202(1.1%) ??? ...ket/collects/racket/private/for.rkt:1150:14 ------------------------------------------------------------------------- make-exacts* [54] 0.0% map [63] 0.8% extract-alt [12] 3.0% ??? [4] 3.0% loop! [76] 4.1% loop [70] 87.6% [70] 6732(36.7%) 216(1.2%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [70] 87.6% loop! [76] 4.1% hash-ref! [74] 3.0% simplify [3] 3.0% for-loop [77] 1.5% ??? [72] 0.8% ->flonum [75] 0.0% ------------------------------------------------------------------------- for-loop [64] 100.0% [71] 1562(8.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:223:8 hash-update! [73] 100.0% ------------------------------------------------------------------------- for-loop [68] 3.9% loop [70] 96.1% [72] 5216(28.4%) 166(0.9%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [78] 79.6% real->bigfloat [80] 17.3% ------------------------------------------------------------------------- for-loop [71] 100.0% [73] 1562(8.5%) 220(1.2%) hash-update! ...ket/private/more-scheme.rkt:362:13 ??? [79] 85.9% ------------------------------------------------------------------------- compile [50] 5.8% loop [70] 9.8% eval-prog [65] 9.8% ??? [4] 17.3% ??? [82] 28.7% loop [66] 28.7% [74] 1042(5.7%) 240(1.3%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [82] 28.7% simplify [81] 28.7% ??? [4] 27.1% bigfloat-hash [84] 9.8% ------------------------------------------------------------------------- for-loop [68] 30.3% loop [70] 69.7% [75] 660(3.6%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [103] 69.7% ??? [85] 30.3% ------------------------------------------------------------------------- merge-egraph-nodes! [47] 22.4% apply-match [33] 27.6% loop [70] 50.0% [76] 438(2.4%) 0(0.0%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 loop [70] 50.0% set [83] 27.6% custom-set-union [87] 22.4% ------------------------------------------------------------------------- loop [70] 100.0% [77] 200(1.1%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 eval-const-expr [86] 100.0% ------------------------------------------------------------------------- ??? [72] 100.0% [78] 4150(22.6%) 202(1.1%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [88] 83.7% ...higher-order.rkt:373:33 [91] 11.4% ------------------------------------------------------------------------- hash-update! [73] 100.0% [79] 1342(7.3%) 0(0.0%) ??? .../ztatlock/herbie/src/core/egraph.rkt:225:24 for-loop [89] 100.0% ------------------------------------------------------------------------- ??? [72] 100.0% [80] 900(4.9%) 900(4.9%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ------------------------------------------------------------------------- hash-ref! [74] 100.0% [81] 598(3.3%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f143 [96] 66.6% parse-loop25 [90] 33.4% ------------------------------------------------------------------------- hash-ref! [74] 100.0% [82] 598(3.3%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [74] 100.0% ------------------------------------------------------------------------- loop! [76] 100.0% [83] 242(1.3%) 242(1.3%) set ...collects/racket/private/set-types.rkt:982:0 ------------------------------------------------------------------------- hash-ref! [74] 100.0% [84] 204(1.1%) 0(0.0%) bigfloat-hash ...h/private/bigfloat/mpfr.rkt:165:0 sig+exp->bigfloat [92] 100.0% ------------------------------------------------------------------------- ->flonum [75] 100.0% [85] 200(1.1%) 200(1.1%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ------------------------------------------------------------------------- for-loop [77] 100.0% [86] 200(1.1%) 0(0.0%) eval-const-expr ...k/herbie/src/programs.rkt:180:0 expression-induct31 [93] 100.0% ------------------------------------------------------------------------- loop! [76] 100.0% [87] 196(1.1%) 196(1.1%) custom-set-union ...et/private/set-types.rkt:168:0 ------------------------------------------------------------------------- ??? [78] 100.0% [88] 3474(18.9%) 928(5.1%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfsin [94] 45.4% ??? [103] 14.3% bfdiv [95] 13.6% ------------------------------------------------------------------------- ??? [79] 100.0% [89] 1342(7.3%) 1342(7.3%) for-loop ...lock/herbie/src/core/egraph.rkt:226:26 ------------------------------------------------------------------------- simplify [81] 33.4% map [63] 66.6% [90] 598(3.3%) 200(1.1%) parse-loop25 ...s/racket/match/compiler.rkt:410:15 f143 [96] 66.6% ------------------------------------------------------------------------- ??? [78] 100.0% [91] 474(2.6%) 0(0.0%) ...higher-order.rkt:373:33 (unknown source) ??? [97] 50.2% ??? [100] 49.8% ------------------------------------------------------------------------- bigfloat-hash [84] 100.0% [92] 204(1.1%) 204(1.1%) sig+exp->bigfloat ...ivate/bigfloat/mpfr.rkt:385:0 ------------------------------------------------------------------------- eval-const-expr [86] 100.0% [93] 200(1.1%) 0(0.0%) expression-induct31 ...erbie/src/programs.rkt:55:0 inductor [98] 100.0% ------------------------------------------------------------------------- ??? [88] 100.0% [94] 1576(8.6%) 454(2.5%) bfsin ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [99] 71.2% ------------------------------------------------------------------------- ??? [88] 100.0% [95] 474(2.6%) 474(2.6%) bfdiv ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ------------------------------------------------------------------------- map [63] 33.3% parse-loop25 [90] 33.3% simplify [81] 33.3% [96] 398(2.2%) 0(0.0%) f143 .../collects/racket/match/compiler.rkt:499:40 map [63] 66.7% gather-multiplicative-terms [101] 33.3% ------------------------------------------------------------------------- ...higher-order.rkt:373:33 [91] 100.0% [97] 238(1.3%) 0(0.0%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [100] 100.0% ------------------------------------------------------------------------- inductor [98] 50.0% expression-induct31 [93] 50.0% [98] 200(1.1%) 0(0.0%) inductor .../ztatlock/herbie/src/programs.rkt:73:2 inductor [98] 50.0% integer->bigfloat [102] 50.0% ------------------------------------------------------------------------- bfsin [94] 100.0% [99] 1122(6.1%) 1122(6.1%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ------------------------------------------------------------------------- ...higher-order.rkt:373:33 [91] 49.8% ??? [97] 50.2% [100] 474(2.6%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [103] 100.0% ------------------------------------------------------------------------- f143 [96] 100.0% [101] 398(2.2%) 398(2.2%) gather-multiplicative-terms ...re/reduce.rkt:107:0 ------------------------------------------------------------------------- inductor [98] 100.0% [102] 200(1.1%) 200(1.1%) integer->bigfloat ...ivate/bigfloat/mpfr.rkt:399:0 ------------------------------------------------------------------------- ->flonum [75] 32.2% ??? [100] 33.1% ??? [88] 34.7% [103] 1430(7.8%) 940(5.1%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [104] 34.3% ------------------------------------------------------------------------- ??? [103] 100.0% [104] 490(2.7%) 220(1.2%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [105] 55.1% ------------------------------------------------------------------------- ??? [104] 100.0% [105] 270(1.5%) 270(1.5%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 -------------------------------------------------------------------------