Profiling results ----------------- Total cpu time observed: 27928ms (out of 28364ms) Number of samples taken: 115 (once every 243ms) (Hiding functions with self<1.0% and local<2.0%: 3 of 104 hidden) ======================================================================= Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ======================================================================= ??? [14] 100.0% [1] 27928(100.0%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [7] 100.0% ----------------------------------------------------------------------- location-do [88] 100.0% [2] 2240(8.0%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [8] 100.0% ----------------------------------------------------------------------- loop [72] 100.0% [3] 1006(3.6%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [9] 80.1% debug7 [13] 19.9% ----------------------------------------------------------------------- hash-ref! [49] 100.0% [4] 402(1.4%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [11] 100.0% ----------------------------------------------------------------------- hash-ref! [49] 100.0% [5] 402(1.4%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:392:23 for-loop [10] 100.0% ----------------------------------------------------------------------- hash-ref! [49] 100.0% [6] 202(0.7%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:483:23 for-loop [12] 100.0% ----------------------------------------------------------------------- profile-thunk14 [1] 100.0% [7] 27928(100.0%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [14] 100.0% ----------------------------------------------------------------------- approximate9 [2] 100.0% [8] 2240(8.0%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [49] 100.0% ----------------------------------------------------------------------- simplify [42] 19.9% completely-simplify-alt [3] 80.1% [9] 1006(3.6%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [15] 60.0% loop [17] 20.1% mk-egraph [52] 19.9% ----------------------------------------------------------------------- ??? [5] 100.0% [10] 402(1.4%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:396:33 for-loop [16] 100.0% ----------------------------------------------------------------------- ??? [4] 100.0% [11] 402(1.4%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [49] 100.0% ----------------------------------------------------------------------- ??? [6] 100.0% [12] 202(0.7%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:487:35 parse-loop12 [68] 100.0% ----------------------------------------------------------------------- completely-simplify-alt [3] 100.0% [13] 200(0.7%) 0(0.0%) debug7 /home/ztatlock/herbie/src/debug.rkt:102:0 ??? [18] 100.0% ----------------------------------------------------------------------- for-loop [53] 0.5% run [7] 49.7% [14] 27928(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 49.7% loop [23] 38.6% run-improve58 [19] 11.2% simplify [42] 0.5% ----------------------------------------------------------------------- simplify [42] 26.9% simplify-expr [9] 73.1% [15] 826(3.0%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [20] 100.0% ----------------------------------------------------------------------- for-loop [10] 100.0% [16] 402(1.4%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:398:39 hash-ref! [49] 100.0% ----------------------------------------------------------------------- simplify-expr [9] 100.0% [17] 202(0.7%) 0(0.0%) loop ...tatlock/herbie/src/core/simplify.rkt:203:2 pass [21] 100.0% ----------------------------------------------------------------------- debug7 [13] 100.0% [18] 200(0.7%) 0(0.0%) ??? ...racket/collects/racket/private/kw.rkt:713:9 ??? [22] 100.0% ----------------------------------------------------------------------- ??? [14] 100.0% [19] 6390(22.9%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 finalize-table! [24] 63.3% for-loop [25] 26.2% loop [23] 3.8% setup-prog [27] 3.6% get-final-combination [29] 3.2% ----------------------------------------------------------------------- iterate-egraph!5 [15] 100.0% [20] 826(3.0%) 0(0.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [26] 100.0% ----------------------------------------------------------------------- loop [17] 100.0% [21] 202(0.7%) 0(0.0%) pass ...tatlock/herbie/src/core/simplify.rkt:193:2 for-loop [28] 100.0% ----------------------------------------------------------------------- ??? [18] 100.0% [22] 200(0.7%) 200(0.7%) ??? ...s/racket/contract/private/arr-i.rkt:1233:27 ----------------------------------------------------------------------- run-improve58 [19] 1.1% ??? [14] 98.9% [23] 21778(78.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 loop [30] 41.2% make-exacts* [37] 40.0% loop [38] 18.8% ----------------------------------------------------------------------- run-improve58 [19] 100.0% [24] 4048(14.5%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [31] 100.0% ----------------------------------------------------------------------- run-improve58 [19] 100.0% [25] 1672(6.0%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [32] 100.0% ----------------------------------------------------------------------- for-loop [26] 50.0% one-iter [20] 50.0% [26] 826(3.0%) 222(0.8%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [26] 50.0% match-e [33] 36.6% ----------------------------------------------------------------------- run-improve58 [19] 100.0% [27] 228(0.8%) 0(0.0%) setup-prog /home/ztatlock/herbie/src/glue.rkt:46:0 simplify-alt [34] 100.0% ----------------------------------------------------------------------- pass [21] 100.0% [28] 202(0.7%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:196:29 argmin [35] 100.0% ----------------------------------------------------------------------- run-improve58 [19] 100.0% [29] 202(0.7%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 extract-alt [36] 100.0% ----------------------------------------------------------------------- loop [23] 100.0% [30] 8978(32.1%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 make-exacts* [37] 53.3% loop [38] 46.7% ----------------------------------------------------------------------- finalize-table! [24] 100.0% [31] 4048(14.5%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 for-loop [39] 50.6% loop [72] 34.7% ??? [51] 9.9% localize-error [41] 4.8% ----------------------------------------------------------------------- for-loop [25] 100.0% [32] 1672(6.0%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 finalize-iter! [40] 51.3% simplify! [43] 25.2% localize-error [41] 12.0% gen-series! [48] 11.5% ----------------------------------------------------------------------- for-loop [47] 16.6% for-loop [26] 83.4% [33] 604(2.2%) 402(1.4%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [44] 33.4% for-loop [47] 16.6% ----------------------------------------------------------------------- setup-prog [27] 100.0% [34] 228(0.8%) 0(0.0%) simplify-alt .../ztatlock/herbie/src/glue.rkt:84:0 simplify [42] 100.0% ----------------------------------------------------------------------- for-loop [28] 100.0% [35] 202(0.7%) 0(0.0%) argmin ...re/racket/collects/racket/list.rkt:743:0 expression-cost [45] 100.0% ----------------------------------------------------------------------- get-final-combination [29] 100.0% [36] 202(0.7%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:57:0 argmins [46] 100.0% ----------------------------------------------------------------------- loop [30] 35.5% loop [23] 64.5% [37] 13492(48.3%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [66] 50.3% loop [72] 48.0% eval-prog [74] 1.7% ----------------------------------------------------------------------- loop [23] 49.4% loop [30] 50.6% [38] 8286(29.7%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [66] 100.0% ----------------------------------------------------------------------- post-process [31] 100.0% [39] 2048(7.3%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [50] 100.0% ----------------------------------------------------------------------- run-iter! [32] 100.0% [40] 858(3.1%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [51] 100.0% ----------------------------------------------------------------------- post-process [31] 24.4% run-iter! [32] 25.2% loop [72] 50.4% [41] 794(2.8%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [49] 100.0% ----------------------------------------------------------------------- simplify-alt [34] 35.1% ??? [14] 64.9% [42] 650(2.3%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 mk-egraph [52] 35.1% iterate-egraph!5 [15] 34.2% simplify-expr [9] 30.8% ----------------------------------------------------------------------- run-iter! [32] 100.0% [43] 422(1.5%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [53] 100.0% ----------------------------------------------------------------------- match-e [33] 100.0% [44] 202(0.7%) 202(0.7%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 ----------------------------------------------------------------------- argmin [35] 100.0% [45] 202(0.7%) 0(0.0%) expression-cost ...k/herbie/src/programs.rkt:212:0 compile [54] 100.0% ----------------------------------------------------------------------- extract-alt [36] 100.0% [46] 202(0.7%) 0(0.0%) argmins /home/ztatlock/herbie/src/common.rkt:85:0 composed [55] 100.0% ----------------------------------------------------------------------- match-e [33] 100.0% [47] 200(0.7%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [33] 100.0% ----------------------------------------------------------------------- run-iter! [32] 100.0% [48] 192(0.7%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [56] 100.0% ----------------------------------------------------------------------- for-loop [11] 2.8% for-loop [16] 2.8% ??? [59] 10.3% ??? [79] 13.0% localize-error [41] 13.1% ??? [57] 28.4% loop [8] 28.4% [49] 3034(10.9%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [57] 28.4% simplify [58] 28.4% f6 [63] 16.4% ??? [59] 10.3% parse-loop12 [68] 8.1% ??? [5] 2.8% ??? [4] 2.8% ??? [6] 1.1% ----------------------------------------------------------------------- for-loop [39] 100.0% [50] 2048(7.3%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [78] 90.2% loop [72] 9.8% ----------------------------------------------------------------------- post-process [31] 31.8% finalize-iter! [40] 68.2% [51] 1258(4.5%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [60] 82.5% atab-add-altns [62] 17.5% ----------------------------------------------------------------------- simplify-expr [9] 46.7% simplify [42] 53.3% [52] 428(1.5%) 0(0.0%) mk-egraph ...lock/herbie/src/core/egraph.rkt:123:0 expr->enode [61] 100.0% ----------------------------------------------------------------------- simplify! [43] 100.0% [53] 422(1.5%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [14] 100.0% ----------------------------------------------------------------------- expression-cost [45] 100.0% [54] 202(0.7%) 202(0.7%) compile .../ztatlock/herbie/src/programs.rkt:189:0 ----------------------------------------------------------------------- argmins [46] 100.0% [55] 202(0.7%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [69] 100.0% ----------------------------------------------------------------------- gen-series! [48] 100.0% [56] 192(0.7%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [78] 100.0% ----------------------------------------------------------------------- hash-ref! [49] 100.0% [57] 2240(8.0%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [49] 100.0% ----------------------------------------------------------------------- hash-ref! [49] 100.0% [58] 2240(8.0%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f6 [63] 100.0% ----------------------------------------------------------------------- hash-ref! [49] 100.0% [59] 1040(3.7%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [49] 100.0% ----------------------------------------------------------------------- ??? [51] 100.0% [60] 1038(3.7%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [64] 100.0% ----------------------------------------------------------------------- mk-egraph [52] 41.1% expr->enode [61] 58.9% [61] 428(1.5%) 200(0.7%) expr->enode ...ck/herbie/src/core/egraph.rkt:124:2 expr->enode [61] 58.9% mk-enode! [65] 17.8% ----------------------------------------------------------------------- ??? [51] 100.0% [62] 220(0.8%) 0(0.0%) atab-add-altns ...rbie/src/core/alt-table.rkt:50:0 atab-add-altn [64] 100.0% ----------------------------------------------------------------------- parse-loop12 [68] 5.4% map [66] 8.9% loop [72] 15.8% hash-ref! [49] 26.2% simplify [58] 43.8% [63] 3034(10.9%) 412(1.5%) f6 ...et/collects/racket/match/compiler.rkt:499:40 map [66] 93.2% ----------------------------------------------------------------------- atab-add-altns [62] 17.5% for-loop [60] 82.5% [64] 1258(4.5%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [67] 100.0% ----------------------------------------------------------------------- expr->enode [61] 100.0% [65] 228(0.8%) 228(0.8%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 ----------------------------------------------------------------------- f6 [63] 16.8% make-exacts* [37] 37.5% loop [38] 45.8% [66] 18100(64.8%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [72] 83.2% parse-loop12 [68] 10.9% ??? [79] 2.9% f6 [63] 1.5% loop [70] 1.5% ----------------------------------------------------------------------- atab-add-altn [64] 100.0% [67] 1258(4.5%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [69] 82.4% for-loop [71] 17.6% ----------------------------------------------------------------------- for-loop [12] 1.8% loop [72] 4.2% parse-loop12 [68] 11.3% hash-ref! [49] 20.9% map [66] 61.9% [68] 2832(10.1%) 1428(5.1%) parse-loop12 ...s/racket/match/compiler.rkt:410:15 loop [72] 43.5% parse-loop12 [68] 11.3% f6 [63] 10.3% ??? [75] 7.1% ----------------------------------------------------------------------- composed [55] 16.3% best-and-tied-at-points [67] 83.7% [69] 1238(4.4%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [73] 66.1% eval-prog [74] 33.9% ----------------------------------------------------------------------- map [66] 4.8% loop [70] 95.2% [70] 400(1.4%) 202(0.7%) loop ...cket/collects/racket/private/map.rkt:37:19 loop [70] 95.2% ??? [76] 3.3% ----------------------------------------------------------------------- best-and-tied-at-points [67] 100.0% [71] 222(0.8%) 222(0.8%) for-loop ...k/herbie/src/core/alt-table.rkt:124:16 ----------------------------------------------------------------------- append-map [50] 0.4% post-process [31] 1.4% make-exacts* [37] 2.2% map [66] 2.8% parse-loop12 [68] 4.3% loop [72] 88.7% [72] 24568(88.0%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [72] 88.7% ??? [77] 5.0% f6 [63] 2.8% parse-loop12 [68] 1.1% localize-error [41] 0.8% completely-simplify-alt [3] 0.6% ??? [79] 0.4% taylor-alt [78] 0.4% ->flonum [86] 0.0% ??? [93] 0.0% real->bigfloat [85] 0.0% ----------------------------------------------------------------------- errors [69] 100.0% [73] 818(2.9%) 200(0.7%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [77] 50.9% ??? [80] 24.7% ----------------------------------------------------------------------- make-exacts* [37] 36.0% errors [69] 64.0% [74] 656(2.3%) 656(2.3%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 ----------------------------------------------------------------------- parse-loop12 [68] 100.0% [75] 400(1.4%) 200(0.7%) ??? /home/ztatlock/herbie/src/core/reduce.rkt:52:5 for-loop [81] 50.0% ----------------------------------------------------------------------- loop [70] 100.0% [76] 198(0.7%) 0(0.0%) ??? ...ztatlock/herbie/src/core/localize.rkt:43:32 ulp-difference [82] 100.0% ----------------------------------------------------------------------- for-loop [73] 2.0% loop [72] 98.0% [77] 21232(76.0%) 1168(4.2%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [83] 81.0% real->bigfloat [85] 8.1% ??? [97] 3.4% ->flonum [86] 1.0% ----------------------------------------------------------------------- for-loop [56] 8.6% loop [72] 8.9% append-map [50] 82.5% [78] 2240(8.0%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [84] 100.0% ----------------------------------------------------------------------- loop [72] 33.7% map [66] 66.3% [79] 592(2.1%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [49] 100.0% ----------------------------------------------------------------------- for-loop [73] 100.0% [80] 202(0.7%) 202(0.7%) ??? ...ket/collects/racket/private/for.rkt:1150:14 ----------------------------------------------------------------------- ??? [75] 100.0% [81] 200(0.7%) 0(0.0%) for-loop ...atlock/herbie/src/core/reduce.rkt:53:7 pattern-match [87] 100.0% ----------------------------------------------------------------------- ??? [76] 100.0% [82] 198(0.7%) 0(0.0%) ulp-difference ...atlock/herbie/src/float.rkt:19:0 ??? [90] 100.0% ----------------------------------------------------------------------- ??? [77] 100.0% [83] 17188(61.5%) 254(0.9%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [93] 64.6% bf* [91] 20.7% bfcube [89] 12.1% ??? [90] 1.2% ----------------------------------------------------------------------- taylor-alt [78] 100.0% [84] 2240(8.0%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [88] 100.0% ----------------------------------------------------------------------- loop [72] 10.5% ??? [77] 89.5% [85] 1910(6.8%) 1184(4.2%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [98] 38.0% ----------------------------------------------------------------------- ??? [77] 22.9% loop [72] 77.1% [86] 942(3.4%) 226(0.8%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [90] 48.6% ??? [99] 27.4% ----------------------------------------------------------------------- for-loop [81] 100.0% [87] 200(0.7%) 200(0.7%) pattern-match .../herbie/src/core/matcher.rkt:47:0 ----------------------------------------------------------------------- for-loop [84] 44.0% location-do [88] 56.0% [88] 2240(8.0%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 location-do [88] 56.0% approximate9 [2] 44.0% ----------------------------------------------------------------------- ??? [83] 100.0% [89] 2072(7.4%) 0(0.0%) bfcube ...tlock/herbie/src/syntax/syntax.rkt:119:0 bf* [91] 77.7% ...ow-val-first.rkt:357:18 [92] 22.3% ----------------------------------------------------------------------- ulp-difference [82] 23.1% ??? [83] 23.4% ->flonum [86] 53.5% [90] 856(3.1%) 856(3.1%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ----------------------------------------------------------------------- bfcube [89] 31.2% ??? [83] 68.8% [91] 5164(18.5%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [93] 100.0% ----------------------------------------------------------------------- bfcube [89] 100.0% [92] 462(1.7%) 218(0.8%) ...ow-val-first.rkt:357:18 (unknown source) ??? [94] 52.8% ----------------------------------------------------------------------- loop [72] 1.2% bf* [91] 31.4% ??? [83] 67.5% [93] 16466(59.0%) 6220(22.3%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfatan2 [95] 28.6% bfcbrt [96] 20.0% ??? [99] 13.6% ----------------------------------------------------------------------- ...ow-val-first.rkt:357:18 [92]100.0% [94] 244(0.9%) 0(0.0%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [97] 100.0% ----------------------------------------------------------------------- ??? [93] 100.0% [95] 4714(16.9%) 3314(11.9%) bfatan2 ...ib/math/private/bigfloat/mpfr.rkt:819:4 ??? [98] 29.7% ----------------------------------------------------------------------- ??? [93] 100.0% [96] 3294(11.8%) 1930(6.9%) bfcbrt ...lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [98] 41.4% ----------------------------------------------------------------------- ??? [94] 25.1% ??? [77] 74.9% [97] 974(3.5%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [99] 100.0% ----------------------------------------------------------------------- real->bigfloat [85] 20.8% bfcbrt [96] 39.1% bfatan2 [95] 40.1% [98] 3490(12.5%) 3490(12.5%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ----------------------------------------------------------------------- ->flonum [86] 7.4% ??? [97] 28.1% ??? [93] 64.5% [99] 3470(12.4%) 2592(9.3%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [100] 25.3% ----------------------------------------------------------------------- ??? [99] 100.0% [100] 878(3.1%) 236(0.8%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [101] 73.1% ----------------------------------------------------------------------- ??? [100] 100.0% [101] 642(2.3%) 642(2.3%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 -----------------------------------------------------------------------