Profiling results ----------------- Total cpu time observed: 17992ms (out of 18292ms) Number of samples taken: 74 (once every 243ms) ====================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ====================================================================== ??? [23] 100.0% [1] 17540(97.5%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [5] 100.0% ---------------------------------------------------------------------- ??? [23] 100.0% [2] 8876(49.3%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 get-final-combination [6] 54.6% finalize-table! [7] 29.6% for-loop [9] 13.5% loop [30] 2.3% ---------------------------------------------------------------------- copying-mergesort [39] 100.0% [3] 1294(7.2%) 0(0.0%) jloop ...et/collects/racket/private/sort.rkt:85:19 ??? [50] 100.0% ---------------------------------------------------------------------- location-do [41] 100.0% [4] 400(2.2%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [10] 50.0% f6 [8] 50.0% ---------------------------------------------------------------------- profile-thunk14 [1] 100.0% [5] 17540(97.5%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [23] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [6] 4846(26.9%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 split-table [11] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [7] 2628(14.6%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [12] 100.0% ---------------------------------------------------------------------- approximate9 [4] 14.2% hash-ref! [54] 85.8% [8] 1404(7.8%) 0(0.0%) f6 ...et/collects/racket/match/compiler.rkt:499:40 map [49] 85.8% loop [63] 14.2% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [9] 1202(6.7%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [13] 100.0% ---------------------------------------------------------------------- approximate9 [4] 100.0% [10] 200(1.1%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [54] 100.0% ---------------------------------------------------------------------- get-final-combination [6] 100.0% [11] 4846(26.9%) 0(0.0%) split-table .../ztatlock/herbie/src/glue.rkt:171:0 infer-splitpoints4 [14] 100.0% ---------------------------------------------------------------------- finalize-table! [7] 100.0% [12] 2628(14.6%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 loop [63] 45.9% localize-error [32] 16.0% ??? [19] 15.2% for-loop [16] 15.2% completely-simplify-alt [68] 7.7% ---------------------------------------------------------------------- for-loop [9] 100.0% [13] 1202(6.7%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [15] 50.1% localize-error [32] 33.1% finalize-iter! [17] 16.8% ---------------------------------------------------------------------- split-table [11] 100.0% [14] 4846(26.9%) 0(0.0%) infer-splitpoints4 ...ie/src/core/regimes.rkt:19:0 option-on-expr [18] 95.8% exprs-to-branch-on [22] 4.2% ---------------------------------------------------------------------- run-iter! [13] 100.0% [15] 602(3.3%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [20] 100.0% ---------------------------------------------------------------------- post-process [12] 100.0% [16] 400(2.2%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [21] 100.0% ---------------------------------------------------------------------- run-iter! [13] 100.0% [17] 202(1.1%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [19] 100.0% ---------------------------------------------------------------------- infer-splitpoints4 [14] 100.0% [18] 4644(25.8%) 0(0.0%) option-on-expr ...erbie/src/core/regimes.rkt:106:0 sort-context-on-expr [24] 85.4% pick-errors [26] 9.9% err-lsts->split-indices [28] 4.7% ---------------------------------------------------------------------- finalize-iter! [17] 33.6% post-process [12] 66.4% [19] 602(3.3%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [25] 100.0% ---------------------------------------------------------------------- simplify! [15] 100.0% [20] 602(3.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [23] 100.0% ---------------------------------------------------------------------- for-loop [16] 100.0% [21] 400(2.2%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [27] 100.0% ---------------------------------------------------------------------- infer-splitpoints4 [14] 100.0% [22] 202(1.1%) 0(0.0%) exprs-to-branch-on ...ie/src/core/regimes.rkt:41:0 critical-subexpression [29] 100.0% ---------------------------------------------------------------------- for-loop [20] 1.1% run [5] 48.8% [23] 17770(98.8%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 48.8% loop [30] 25.7% run-improve58 [2] 24.4% simplify [33] 1.1% ---------------------------------------------------------------------- option-on-expr [18] 100.0% [24] 3964(22.0%) 0(0.0%) sort-context-on-expr ...herbie/src/points.rkt:50:0 sort [31] 100.0% ---------------------------------------------------------------------- ??? [19] 100.0% [25] 602(3.3%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [34] 100.0% ---------------------------------------------------------------------- option-on-expr [18] 100.0% [26] 460(2.6%) 0(0.0%) pick-errors ...k/herbie/src/core/regimes.rkt:173:0 for-loop [35] 100.0% ---------------------------------------------------------------------- append-map [21] 100.0% [27] 400(2.2%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [36] 100.0% ---------------------------------------------------------------------- option-on-expr [18] 100.0% [28] 220(1.2%) 0(0.0%) err-lsts->split-indices .../core/regimes.rkt:224:0 add-splitpoint [37] 100.0% ---------------------------------------------------------------------- exprs-to-branch-on [22] 100.0% [29] 202(1.1%) 0(0.0%) critical-subexpression ...rc/core/regimes.rkt:49:0 localize-error [32] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 2.2% ??? [23] 97.8% [30] 9094(50.5%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [44] 55.9% loop [38] 41.9% loop [46] 2.2% ---------------------------------------------------------------------- sort-context-on-expr [24] 100.0% [31] 3964(22.0%) 0(0.0%) sort ...ket/collects/racket/private/sort.rkt:213:0 copying-mergesort [39] 72.2% loop [45] 27.8% ---------------------------------------------------------------------- critical-subexpression [29] 14.2% run-iter! [13] 27.9% loop [63] 28.4% post-process [12] 29.5% [32] 1424(7.9%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [54] 84.6% for-loop [42] 15.4% ---------------------------------------------------------------------- ??? [23] 100.0% [33] 602(3.3%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [73] 66.8% iterate-egraph!5 [78] 33.2% ---------------------------------------------------------------------- for-loop [25] 100.0% [34] 602(3.3%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [40] 100.0% ---------------------------------------------------------------------- pick-errors [26] 100.0% [35] 460(2.6%) 0(0.0%) for-loop ...lock/herbie/src/core/regimes.rkt:176:4 eval-prog [52] 100.0% ---------------------------------------------------------------------- taylor-alt [27] 100.0% [36] 400(2.2%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [41] 100.0% ---------------------------------------------------------------------- err-lsts->split-indices [28] 100.0% [37] 220(1.2%) 0(0.0%) add-splitpoint ...erbie/src/core/regimes.rkt:237:2 for-loop [43] 100.0% ---------------------------------------------------------------------- loop [30] 100.0% [38] 3810(21.2%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [46] 47.1% make-exacts* [44] 41.0% eval-prog [52] 11.9% ---------------------------------------------------------------------- sort [31] 36.9% copying-mergesort [39] 63.1% [39] 2862(15.9%) 0(0.0%) copying-mergesort .../racket/private/sort.rkt:91:4 copying-mergesort [39] 63.1% loop [45] 25.6% jloop [3] 11.3% ---------------------------------------------------------------------- atab-add-altn [34] 100.0% [40] 602(3.3%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [47] 66.8% for-loop [48] 33.2% ---------------------------------------------------------------------- for-loop [36] 35.0% location-do [41] 65.0% [41] 400(2.2%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 location-do [41] 65.0% approximate9 [4] 35.0% ---------------------------------------------------------------------- localize-error [32] 100.0% [42] 220(1.2%) 220(1.2%) for-loop ...ock/herbie/src/core/localize.rkt:49:34 ---------------------------------------------------------------------- add-splitpoint [37] 100.0% [43] 220(1.2%) 220(1.2%) for-loop ...lock/herbie/src/core/regimes.rkt:239:4 ---------------------------------------------------------------------- loop [38] 23.5% loop [30] 76.5% [44] 6646(36.9%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 loop [63] 53.5% map [49] 36.0% eval-prog [52] 10.5% ---------------------------------------------------------------------- sort [31] 41.3% copying-mergesort [39] 58.7% [45] 2670(14.8%) 0(0.0%) loop ...cket/collects/racket/private/sort.rkt:64:8 ??? [50] 100.0% ---------------------------------------------------------------------- loop [30] 10.0% loop [38] 90.0% [46] 1994(11.1%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [49] 100.0% ---------------------------------------------------------------------- best-and-tied-at-points [40] 100.0% [47] 402(2.2%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [51] 100.0% ---------------------------------------------------------------------- best-and-tied-at-points [40] 100.0% [48] 200(1.1%) 200(1.1%) for-loop ...k/herbie/src/core/alt-table.rkt:124:16 ---------------------------------------------------------------------- parse-loop12 [58] 3.9% f6 [8] 17.7% loop [46] 35.7% make-exacts* [44] 42.8% [49] 5592(31.1%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [63] 81.5% ??? [53] 15.9% loop [65] 2.7% ---------------------------------------------------------------------- jloop [3] 32.6% loop [45] 67.4% [50] 3964(22.0%) 0(0.0%) ??? /home/ztatlock/herbie/src/points.rkt:52:27 eval-prog [52] 94.9% ??? [67] 5.1% ---------------------------------------------------------------------- errors [47] 100.0% [51] 402(2.2%) 200(1.1%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [67] 50.2% ---------------------------------------------------------------------- loop [38] 8.4% for-loop [35] 8.6% make-exacts* [44] 13.0% ??? [50] 70.0% [52] 5374(29.9%) 3338(18.6%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 hash-ref! [54] 21.4% ??? [55] 8.6% parse-lambda [56] 4.1% new-lambda [57] 3.8% ---------------------------------------------------------------------- loop [63] 43.0% map [49] 57.0% [53] 1204(6.7%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [54] 100.0% ---------------------------------------------------------------------- loop [10] 7.8% eval-prog [52] 12.8% localize-error [32] 14.0% loop [63] 32.3% ??? [53] 33.1% [54] 2556(14.2%) 200(1.1%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [60] 32.3% parse-loop12 [58] 25.4% f6 [8] 21.7% bigfloat-hash [59] 12.8% ---------------------------------------------------------------------- eval-prog [52] 100.0% [55] 462(2.6%) 220(1.2%) ??? ...collects/racket/private/qq-and-or.rkt:155:9 ??? [61] 52.4% ---------------------------------------------------------------------- eval-prog [52] 100.0% [56] 218(1.2%) 218(1.2%) parse-lambda ...llects/racket/private/kw.rkt:393:2 ---------------------------------------------------------------------- eval-prog [52] 100.0% [57] 204(1.1%) 0(0.0%) new-lambda ...ollects/racket/private/kw.rkt:631:11 loop [62] 100.0% ---------------------------------------------------------------------- hash-ref! [54] 100.0% [58] 1204(6.7%) 0(0.0%) parse-loop12 ...s/racket/match/compiler.rkt:410:15 loop [63] 66.6% map [49] 25.0% loop [65] 8.4% ---------------------------------------------------------------------- hash-ref! [54] 100.0% [59] 1152(6.4%) 0(0.0%) bigfloat-hash ...h/private/bigfloat/mpfr.rkt:165:0 sig+exp->bigfloat [64] 79.0% bfcanonicalize [66] 21.0% ---------------------------------------------------------------------- hash-ref! [54] 100.0% [60] 1152(6.4%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:197:5 loop [63] 100.0% ---------------------------------------------------------------------- ??? [55] 100.0% [61] 242(1.3%) 242(1.3%) ??? ...ollects/racket/private/qq-and-or.rkt:164:21 ---------------------------------------------------------------------- loop [62] 50.0% new-lambda [57] 50.0% [62] 204(1.1%) 204(1.1%) loop .../collects/racket/private/stxcase.rkt:112:7 loop [62] 50.0% ---------------------------------------------------------------------- make-exacts* [44] 0.0% map [49] 0.5% post-process [12] 1.6% f6 [8] 1.8% parse-loop12 [58] 5.4% ??? [60] 9.2% loop [63] 81.5% [63] 11300(62.8%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [63] 81.5% hash-ref! [54] 9.2% ??? [53] 5.0% simplify [71] 1.8% localize-error [32] 0.9% completely-simplify-alt [68] 0.7% ??? [67] 0.4% bffma [79] 0.4% ??? [88] 0.1% ->flonum [74] 0.0% ---------------------------------------------------------------------- bigfloat-hash [59] 100.0% [64] 910(5.1%) 910(5.1%) sig+exp->bigfloat ...ivate/bigfloat/mpfr.rkt:385:0 ---------------------------------------------------------------------- parse-loop12 [58] 0.6% map [49] 6.0% loop [65] 93.4% [65] 602(3.3%) 198(1.1%) loop ...cket/collects/racket/private/map.rkt:37:19 loop [65] 93.4% ??? [70] 4.2% ->flonum [74] 0.6% ---------------------------------------------------------------------- bigfloat-hash [59] 100.0% [66] 242(1.3%) 0(0.0%) bfcanonicalize .../private/bigfloat/mpfr.rkt:155:0 bigfloat->sig+exp [69] 100.0% ---------------------------------------------------------------------- for-loop [51] 2.5% ??? [50] 2.5% loop [63] 95.0% [67] 8144(45.3%) 258(1.4%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [72] 60.7% ??? [89] 27.6% real->bigfloat [75] 3.1% ...e/case-arrow.rkt:150:50 [76] 2.9% ->flonum [74] 2.5% ---------------------------------------------------------------------- post-process [12] 20.1% loop [63] 79.9% [68] 1004(5.6%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [73] 100.0% ---------------------------------------------------------------------- bfcanonicalize [66] 100.0% [69] 242(1.3%) 242(1.3%) bigfloat->sig+exp ...ivate/bigfloat/mpfr.rkt:370:0 ---------------------------------------------------------------------- loop [65] 100.0% [70] 202(1.1%) 0(0.0%) ??? ...ztatlock/herbie/src/core/localize.rkt:43:32 ->flonum [74] 100.0% ---------------------------------------------------------------------- loop [63] 100.0% [71] 200(1.1%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 debug-print [77] 100.0% ---------------------------------------------------------------------- ??? [67] 100.0% [72] 4946(27.5%) 202(1.1%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [88] 57.7% bf* [84] 24.5% bffma [79] 9.2% ...ow-val-first.rkt:357:18 [80] 4.5% ---------------------------------------------------------------------- simplify [33] 28.6% completely-simplify-alt [68] 71.4% [73] 1406(7.8%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [78] 85.8% debug7 [83] 14.2% ---------------------------------------------------------------------- ??? [70] 25.0% loop [65] 25.0% ??? [67] 25.0% loop [63] 25.0% [74] 808(4.5%) 202(1.1%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [92] 50.0% ??? [81] 25.0% ---------------------------------------------------------------------- ??? [67] 100.0% [75] 250(1.4%) 250(1.4%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ---------------------------------------------------------------------- ??? [67] 100.0% [76] 240(1.3%) 240(1.3%) ...e/case-arrow.rkt:150:50 (unknown source) ---------------------------------------------------------------------- simplify [71] 100.0% [77] 200(1.1%) 0(0.0%) debug-print ...ztatlock/herbie/src/debug.rkt:107:0 for-loop [82] 100.0% ---------------------------------------------------------------------- simplify [33] 14.2% simplify-expr [73] 85.8% [78] 1406(7.8%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [85] 100.0% ---------------------------------------------------------------------- loop [63] 30.5% ??? [72] 69.5% [79] 656(3.6%) 0(0.0%) bffma ...atlock/herbie/src/syntax/syntax.rkt:122:0 bf* [84] 100.0% ---------------------------------------------------------------------- ??? [72] 100.0% [80] 224(1.2%) 0(0.0%) ...ow-val-first.rkt:357:18 (unknown source) ??? [86] 100.0% ---------------------------------------------------------------------- ->flonum [74] 100.0% [81] 202(1.1%) 202(1.1%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ---------------------------------------------------------------------- debug-print [77] 100.0% [82] 200(1.1%) 200(1.1%) for-loop /home/ztatlock/herbie/src/debug.rkt:113:2 ---------------------------------------------------------------------- simplify-expr [73] 100.0% [83] 200(1.1%) 0(0.0%) debug7 /home/ztatlock/herbie/src/debug.rkt:102:0 ??? [87] 100.0% ---------------------------------------------------------------------- bffma [79] 35.1% ??? [72] 64.9% [84] 1868(10.4%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [88] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [78] 100.0% [85] 1406(7.8%) 0(0.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [90] 85.6% loop [91] 14.4% ---------------------------------------------------------------------- ...ow-val-first.rkt:357:18 [80]100.0% [86] 224(1.2%) 224(1.2%) ??? ...cts/racket/contract/private/list.rkt:187:10 ---------------------------------------------------------------------- debug7 [83] 100.0% [87] 200(1.1%) 0(0.0%) ??? ...racket/collects/racket/private/kw.rkt:713:9 ??? [89] 100.0% ---------------------------------------------------------------------- loop [63] 7.8% bf* [84] 36.5% ??? [72] 55.7% [88] 5122(28.5%) 1122(6.2%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfsqrt [93] 34.8% bfmul [94] 26.2% ??? [92] 17.1% ---------------------------------------------------------------------- ??? [87] 8.2% ??? [67] 91.8% [89] 2448(13.6%) 200(1.1%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [92] 91.8% ---------------------------------------------------------------------- for-loop [90] 50.0% one-iter [85] 50.0% [90] 1204(6.7%) 200(1.1%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [90] 50.0% match-e [95] 41.7% ---------------------------------------------------------------------- one-iter [85] 100.0% [91] 202(1.1%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [96] 100.0% ---------------------------------------------------------------------- ->flonum [74] 11.5% ??? [88] 24.8% ??? [89] 63.7% [92] 3528(19.6%) 1970(10.9%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [98] 25.6% ??? [99] 18.5% ---------------------------------------------------------------------- ??? [88] 100.0% [93] 1782(9.9%) 1566(8.7%) bfsqrt ...lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [97] 12.1% ---------------------------------------------------------------------- ??? [88] 100.0% [94] 1342(7.5%) 486(2.7%) bfmul ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [97] 63.8% ---------------------------------------------------------------------- for-loop [90] 100.0% [95] 1004(5.6%) 802(4.5%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 custom-in-set [101] 20.1% ---------------------------------------------------------------------- loop [91] 100.0% [96] 202(1.1%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 substitute-e [100] 100.0% ---------------------------------------------------------------------- bfsqrt [93] 20.1% bfmul [94] 79.9% [97] 1072(6.0%) 1072(6.0%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ---------------------------------------------------------------------- ??? [92] 100.0% [98] 904(5.0%) 200(1.1%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [102] 77.9% ---------------------------------------------------------------------- ??? [92] 100.0% [99] 654(3.6%) 218(1.2%) ??? ...ects/racket/contract/private/prop.rkt:489:4 ??? [103] 66.7% ---------------------------------------------------------------------- apply-match [96] 100.0% [100] 202(1.1%) 202(1.1%) substitute-e ...ck/herbie/src/core/ematch.rkt:71:0 ---------------------------------------------------------------------- match-e [95] 100.0% [101] 202(1.1%) 202(1.1%) custom-in-set ...acket/private/set-types.rkt:578:0 ---------------------------------------------------------------------- ??? [98] 100.0% [102] 704(3.9%) 704(3.9%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ---------------------------------------------------------------------- ??? [99] 100.0% [103] 436(2.4%) 436(2.4%) ??? ...lects/racket/contract/private/orc.rkt:73:14 ----------------------------------------------------------------------