Profiling results ----------------- Total cpu time observed: 18178ms (out of 18456ms) Number of samples taken: 77 (once every 236ms) ====================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ====================================================================== ??? [27] 100.0% [1] 17700(97.4%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [5] 100.0% ---------------------------------------------------------------------- ??? [27] 100.0% [2] 7768(42.7%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 finalize-table! [6] 66.4% for-loop [8] 31.1% get-final-combination [10] 2.5% ---------------------------------------------------------------------- loop [73] 100.0% [3] 2450(13.5%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [7] 91.8% debug7 [9] 8.2% ---------------------------------------------------------------------- hash-ref! [58] 100.0% [4] 200(1.1%) 0(0.0%) taylor-quotient ...erbie/src/core/taylor.rkt:328:0 simplify [59] 100.0% ---------------------------------------------------------------------- profile-thunk14 [1] 100.0% [5] 17700(97.4%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [27] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [6] 5156(28.4%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [11] 100.0% ---------------------------------------------------------------------- simplify [36] 26.3% completely-simplify-alt [3] 73.7% [7] 3052(16.8%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [12] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [8] 2414(13.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [13] 100.0% ---------------------------------------------------------------------- completely-simplify-alt [3] 100.0% [9] 202(1.1%) 0(0.0%) debug7 /home/ztatlock/herbie/src/debug.rkt:102:0 ??? [22] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [10] 198(1.1%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 extract-alt [14] 100.0% ---------------------------------------------------------------------- finalize-table! [6] 100.0% [11] 5156(28.4%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 loop [73] 51.8% for-loop [16] 28.1% ??? [22] 15.4% localize-error [18] 4.7% ---------------------------------------------------------------------- for-loop [46] 5.5% simplify [36] 11.0% simplify-expr [7] 83.5% [12] 3654(20.1%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [15] 100.0% ---------------------------------------------------------------------- for-loop [8] 100.0% [13] 2414(13.3%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [17] 58.2% finalize-iter! [19] 25.0% localize-error [18] 16.7% ---------------------------------------------------------------------- get-final-combination [10] 100.0% [14] 198(1.1%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:57:0 argmins [20] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [12] 100.0% [15] 3654(20.1%) 200(1.1%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [21] 72.1% apply-match [31] 11.4% loop [25] 11.0% ---------------------------------------------------------------------- post-process [11] 100.0% [16] 1448(8.0%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [23] 100.0% ---------------------------------------------------------------------- run-iter! [13] 100.0% [17] 1406(7.7%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [24] 100.0% ---------------------------------------------------------------------- loop [73] 25.6% post-process [11] 27.9% run-iter! [13] 46.5% [18] 868(4.8%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [58] 77.0% for-loop [26] 23.0% ---------------------------------------------------------------------- run-iter! [13] 100.0% [19] 604(3.3%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [22] 100.0% ---------------------------------------------------------------------- extract-alt [14] 100.0% [20] 198(1.1%) 0(0.0%) argmins /home/ztatlock/herbie/src/common.rkt:85:0 composed [65] 100.0% ---------------------------------------------------------------------- for-loop [21] 50.0% one-iter [15] 50.0% [21] 2634(14.5%) 1204(6.6%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [21] 50.0% match-e [29] 27.1% ---------------------------------------------------------------------- debug7 [9] 12.6% finalize-iter! [19] 37.8% post-process [11] 49.6% [22] 1600(8.8%) 202(1.1%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [30] 74.8% atab-add-altns [32] 12.6% ---------------------------------------------------------------------- f6 [63] 10.5% for-loop [16] 89.5% [23] 1448(8.0%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [28] 86.0% f6 [63] 7.0% loop [73] 3.5% free-variables [69] 3.5% ---------------------------------------------------------------------- simplify! [17] 100.0% [24] 1406(7.7%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [27] 100.0% ---------------------------------------------------------------------- one-iter [15] 100.0% [25] 402(2.2%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [31] 100.0% ---------------------------------------------------------------------- localize-error [18] 100.0% [26] 200(1.1%) 0(0.0%) for-loop ...ock/herbie/src/core/localize.rkt:61:10 loop [33] 100.0% ---------------------------------------------------------------------- for-loop [24] 2.6% run [5] 48.0% [27] 17956(98.8%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 48.0% loop [34] 29.1% run-improve58 [2] 20.3% simplify [36] 2.6% ---------------------------------------------------------------------- loop [73] 14.0% append-map [23] 86.0% [28] 1448(8.0%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [35] 100.0% ---------------------------------------------------------------------- for-loop [21] 100.0% [29] 1430(7.9%) 1008(5.5%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 custom-in-set [38] 29.5% ---------------------------------------------------------------------- ??? [22] 100.0% [30] 1196(6.6%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [37] 100.0% ---------------------------------------------------------------------- loop [25] 49.0% one-iter [15] 51.0% [31] 820(4.5%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 substitute-e [39] 26.6% for-loop [40] 24.6% mk-enode! [45] 24.4% loop! [79] 24.4% ---------------------------------------------------------------------- ??? [22] 100.0% [32] 202(1.1%) 0(0.0%) atab-add-altns ...rbie/src/core/alt-table.rkt:50:0 atab-add-altn [37] 100.0% ---------------------------------------------------------------------- for-loop [26] 100.0% [33] 200(1.1%) 0(0.0%) loop ...ket/collects/racket/private/map.rkt:113:23 curried [41] 100.0% ---------------------------------------------------------------------- ??? [27] 100.0% [34] 10188(56.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [47] 57.2% loop [42] 38.9% loop [48] 3.9% ---------------------------------------------------------------------- taylor-alt [28] 100.0% [35] 1448(8.0%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [43] 100.0% ---------------------------------------------------------------------- ??? [27] 100.0% [36] 1406(7.7%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [7] 57.2% iterate-egraph!5 [12] 28.6% for-loop [46] 14.2% ---------------------------------------------------------------------- atab-add-altns [32] 14.4% for-loop [30] 85.6% [37] 1398(7.7%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [44] 100.0% ---------------------------------------------------------------------- match-e [29] 100.0% [38] 422(2.3%) 422(2.3%) custom-in-set ...acket/private/set-types.rkt:578:0 ---------------------------------------------------------------------- apply-match [31] 100.0% [39] 218(1.2%) 0(0.0%) substitute-e ...ck/herbie/src/core/ematch.rkt:71:0 mk-enode! [45] 100.0% ---------------------------------------------------------------------- apply-match [31] 100.0% [40] 202(1.1%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:136:10 loop! [79] 100.0% ---------------------------------------------------------------------- loop [33] 100.0% [41] 200(1.1%) 200(1.1%) curried ...cket/collects/racket/function.rkt:71:18 ---------------------------------------------------------------------- loop [34] 100.0% [42] 3966(21.8%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [48] 58.2% make-exacts* [47] 41.8% ---------------------------------------------------------------------- location-do [43] 31.4% for-loop [35] 68.6% [43] 1448(8.0%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [50] 61.6% location-do [43] 31.4% ??? [52] 7.0% ---------------------------------------------------------------------- atab-add-altn [37] 100.0% [44] 1398(7.7%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [49] 100.0% ---------------------------------------------------------------------- apply-match [31] 47.8% substitute-e [39] 52.2% [45] 418(2.3%) 0(0.0%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 hash-has-key? [51] 100.0% ---------------------------------------------------------------------- simplify [36] 100.0% [46] 200(1.1%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [12] 100.0% ---------------------------------------------------------------------- loop [42] 22.1% loop [34] 77.9% [47] 7482(41.2%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [68] 57.1% loop [73] 42.9% ---------------------------------------------------------------------- loop [34] 14.6% loop [42] 85.4% [48] 2706(14.9%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [68] 100.0% ---------------------------------------------------------------------- composed [65] 12.4% best-and-tied-at-points [44] 87.6% [49] 1596(8.8%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [53] 87.3% eval-prog [56] 12.7% ---------------------------------------------------------------------- location-do [43] 100.0% [50] 1246(6.9%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [54] 66.1% taylor-sqrt [55] 17.7% for-loop [57] 16.2% ---------------------------------------------------------------------- mk-enode! [45] 100.0% [51] 418(2.3%) 418(2.3%) hash-has-key? ...et/private/more-scheme.rkt:368:13 ---------------------------------------------------------------------- location-do [43] 100.0% [52] 202(1.1%) 0(0.0%) ??? /home/ztatlock/herbie/src/glue.rkt:150:33 f6 [63] 100.0% ---------------------------------------------------------------------- errors [49] 100.0% [53] 1394(7.7%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [76] 56.8% ->flonum [77] 43.2% ---------------------------------------------------------------------- approximate9 [50] 100.0% [54] 824(4.5%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [58] 100.0% ---------------------------------------------------------------------- approximate9 [50] 100.0% [55] 220(1.2%) 0(0.0%) taylor-sqrt ...ck/herbie/src/core/taylor.rkt:346:0 simplify [59] 100.0% ---------------------------------------------------------------------- errors [49] 100.0% [56] 202(1.1%) 202(1.1%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 ---------------------------------------------------------------------- approximate9 [50] 100.0% [57] 202(1.1%) 0(0.0%) for-loop ...tlock/herbie/src/core/taylor.rkt:28:18 f6 [63] 100.0% ---------------------------------------------------------------------- ??? [62] 6.7% localize-error [18] 15.9% ??? [60] 18.0% ??? [78] 28.9% loop [54] 30.6% [58] 1492(8.2%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 parse-loop12 [70] 26.7% simplify [59] 21.6% f6 [63] 18.0% ??? [60] 18.0% ??? [62] 6.7% taylor [61] 4.5% taylor-quotient [4] 4.5% ---------------------------------------------------------------------- taylor-quotient [4] 19.2% loop [73] 19.3% taylor-sqrt [55] 21.1% hash-ref! [58] 40.4% [59] 1044(5.7%) 200(1.1%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f6 [63] 42.3% parse-loop12 [70] 19.3% debug-print [64] 19.2% ---------------------------------------------------------------------- hash-ref! [58] 100.0% [60] 402(2.2%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [58] 100.0% ---------------------------------------------------------------------- hash-ref! [58] 100.0% [61] 202(1.1%) 0(0.0%) taylor ...tatlock/herbie/src/core/taylor.rkt:157:0 debug-print [64] 100.0% ---------------------------------------------------------------------- hash-ref! [58] 100.0% [62] 200(1.1%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [58] 100.0% ---------------------------------------------------------------------- ??? [52] 5.1% f6 [63] 5.1% for-loop [57] 5.1% append-map [23] 10.3% map [68] 11.2% simplify [59] 11.2% parse-loop12 [70] 16.4% hash-ref! [58] 35.4% [63] 1310(7.2%) 0(0.0%) f6 ...et/collects/racket/match/compiler.rkt:499:40 map [68] 63.1% append-map [23] 15.4% composed [65] 5.6% gather-multiplicative-terms [67] 5.6% f6 [63] 5.1% loop [73] 5.1% ---------------------------------------------------------------------- simplify [59] 49.8% taylor [61] 50.2% [64] 402(2.2%) 0(0.0%) debug-print ...ztatlock/herbie/src/debug.rkt:107:0 for-loop [66] 100.0% ---------------------------------------------------------------------- argmins [20] 47.1% f6 [63] 52.9% [65] 420(2.3%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 free-variables [69] 52.9% errors [49] 47.1% ---------------------------------------------------------------------- debug-print [64] 100.0% [66] 402(2.2%) 402(2.2%) for-loop /home/ztatlock/herbie/src/debug.rkt:113:2 ---------------------------------------------------------------------- f6 [63] 100.0% [67] 220(1.2%) 0(0.0%) gather-multiplicative-terms ...re/reduce.rkt:107:0 map [68] 100.0% ---------------------------------------------------------------------- gather-multiplicative-terms [67] 0.9% ??? [78] 1.0% f6 [63] 11.8% loop [48] 33.5% make-exacts* [47] 52.8% [68] 8088(44.5%) 220(1.2%) map ...acket/collects/racket/private/map.rkt:21:13 loop [73] 86.3% ??? [78] 3.4% make-multiplication-node [72] 2.5% f6 [63] 2.3% parse-loop12 [70] 2.3% loop [71] 1.4% ->flonum [77] 1.0% ---------------------------------------------------------------------- append-map [23] 47.6% composed [65] 52.4% [69] 424(2.3%) 424(2.3%) free-variables ...ock/herbie/src/programs.rkt:89:0 ---------------------------------------------------------------------- simplify [59] 15.4% map [68] 33.7% hash-ref! [58] 50.9% [70] 1312(7.2%) 0(0.0%) parse-loop12 ...s/racket/match/compiler.rkt:410:15 loop [73] 50.9% f6 [63] 49.1% ---------------------------------------------------------------------- map [68] 1.9% loop [71] 98.1% [71] 222(1.2%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:37:19 loop [71] 98.1% ??? [74] 1.9% ---------------------------------------------------------------------- map [68] 100.0% [72] 202(1.1%) 0(0.0%) make-multiplication-node .../core/reduce.rkt:221:0 make-multiplication-subnode [75]100.0% ---------------------------------------------------------------------- make-exacts* [47] 0.1% ??? [76] 0.6% parse-loop12 [70] 0.6% loop! [79] 0.8% map [68] 0.9% append-map [23] 1.4% f6 [63] 1.4% post-process [11] 2.9% loop [73] 91.3% [73] 14112(77.6%) 202(1.1%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [73] 91.3% completely-simplify-alt [3] 2.4% simplify [59] 1.4% taylor-alt [28] 1.4% ??? [76] 1.0% loop! [79] 0.7% ??? [78] 0.6% localize-error [18] 0.5% ??? [93] 0.5% real->bigfloat [82] 0.1% bffma [84] 0.0% ->flonum [77] 0.0% ---------------------------------------------------------------------- loop [71] 100.0% [74] 222(1.2%) 0(0.0%) ??? ...ztatlock/herbie/src/core/localize.rkt:43:32 ->flonum [77] 100.0% ---------------------------------------------------------------------- make-multiplication-node [72] 100.0% [75] 202(1.1%) 0(0.0%) make-multiplication-subnode ...re/reduce.rkt:231:0 group-by68 [80] 100.0% ---------------------------------------------------------------------- for-loop [53] 7.8% loop [73] 92.2% [76] 10142(55.8%) 630(3.5%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [81] 47.0% real->bigfloat [82] 31.5% loop [73] 11.2% ??? [93] 4.1% ---------------------------------------------------------------------- ??? [74] 11.7% map [68] 12.7% for-loop [53] 31.6% loop [73] 44.0% [77] 1904(10.5%) 1504(8.3%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [85] 21.0% ---------------------------------------------------------------------- map [68] 34.7% loop [73] 65.3% [78] 668(3.7%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [58] 90.9% map [68] 9.1% ---------------------------------------------------------------------- loop [73] 24.9% apply-match [31] 24.9% for-loop [40] 50.2% [79] 402(2.2%) 200(1.1%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 loop [73] 75.1% ---------------------------------------------------------------------- make-multiplication-subnode [75]100.0% [80] 202(1.1%) 0(0.0%) group-by68 ...acket/collects/racket/list.rkt:749:0 hash-update [83] 100.0% ---------------------------------------------------------------------- ??? [76] 100.0% [81] 4768(26.2%) 400(2.2%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [90] 32.6% bf* [88] 24.0% bffma [84] 15.1% ...higher-order.rkt:373:33 [86] 10.3% bf/ [87] 5.4% ??? [85] 4.2% ---------------------------------------------------------------------- loop [73] 17.5% ??? [76] 82.5% [82] 3870(21.3%) 2940(16.2%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [96] 24.0% ---------------------------------------------------------------------- group-by68 [80] 100.0% [83] 202(1.1%) 202(1.1%) hash-update ...cket/private/more-scheme.rkt:356:13 ---------------------------------------------------------------------- loop [73] 22.0% ??? [81] 78.0% [84] 926(5.1%) 0(0.0%) bffma ...atlock/herbie/src/syntax/syntax.rkt:122:0 bf* [88] 78.0% ...ow-val-first.rkt:357:18 [89] 22.0% ---------------------------------------------------------------------- ??? [81] 33.3% ->flonum [77] 66.7% [85] 600(3.3%) 600(3.3%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ---------------------------------------------------------------------- ??? [81] 100.0% [86] 490(2.7%) 0(0.0%) ...higher-order.rkt:373:33 (unknown source) ??? [91] 100.0% ---------------------------------------------------------------------- ??? [81] 100.0% [87] 258(1.4%) 258(1.4%) bf/ ...th/private/bigfloat/bigfloat-mpfr.rkt:102:0 ---------------------------------------------------------------------- bffma [84] 38.7% ??? [81] 61.3% [88] 1866(10.3%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [90] 100.0% ---------------------------------------------------------------------- bffma [84] 100.0% [89] 204(1.1%) 0(0.0%) ...ow-val-first.rkt:357:18 (unknown source) ??? [91] 100.0% ---------------------------------------------------------------------- ??? [81] 45.4% bf* [88] 54.6% [90] 3420(18.8%) 454(2.5%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfmul [92] 66.5% ??? [95] 14.1% bfsqr [94] 6.1% ---------------------------------------------------------------------- ...ow-val-first.rkt:357:18 [89] 29.4% ...higher-order.rkt:373:33 [86] 70.6% [91] 694(3.8%) 0(0.0%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [93] 100.0% ---------------------------------------------------------------------- ??? [90] 100.0% [92] 2274(12.5%) 1234(6.8%) bfmul ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [96] 45.7% ---------------------------------------------------------------------- ??? [76] 26.7% loop [73] 29.1% ??? [91] 44.3% [93] 1568(8.6%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [95] 100.0% ---------------------------------------------------------------------- ??? [90] 100.0% [94] 210(1.2%) 210(1.2%) bfsqr ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ---------------------------------------------------------------------- ??? [90] 23.5% ??? [93] 76.5% [95] 2050(11.3%) 690(3.8%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [97] 56.4% ??? [98] 10.0% ---------------------------------------------------------------------- real->bigfloat [82] 47.2% bfmul [92] 52.8% [96] 1970(10.8%) 1970(10.8%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ---------------------------------------------------------------------- ??? [95] 100.0% [97] 1156(6.4%) 960(5.3%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [99] 17.0% ---------------------------------------------------------------------- ??? [95] 100.0% [98] 204(1.1%) 204(1.1%) ??? ...ects/racket/contract/private/prop.rkt:489:4 ---------------------------------------------------------------------- ??? [97] 100.0% [99] 196(1.1%) 196(1.1%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ----------------------------------------------------------------------