Profiling results ----------------- Total cpu time observed: 21256ms (out of 21640ms) Number of samples taken: 95 (once every 224ms) ====================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ====================================================================== ??? [34] 100.0% [1] 20496(96.4%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [6] 100.0% ---------------------------------------------------------------------- ??? [34] 100.0% [2] 13386(63.0%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 for-loop [7] 95.6% get-final-combination [11] 2.9% setup-prog [13] 1.5% ---------------------------------------------------------------------- loop [74] 1.6% simplify-alt [18] 1.7% ??? [34] 96.7% [3] 11956(56.2%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [8] 65.1% for-loop [9] 21.6% iterate-egraph!5 [15] 13.3% ---------------------------------------------------------------------- hash-ref! [72] 100.0% [4] 418(2.0%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:285:26 for-loop [10] 100.0% ---------------------------------------------------------------------- hash-ref! [72] 100.0% [5] 216(1.0%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:392:23 for-loop [12] 100.0% ---------------------------------------------------------------------- profile-thunk14 [1] 100.0% [6] 20496(96.4%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [34] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [7] 12794(60.2%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [14] 100.0% ---------------------------------------------------------------------- simplify [3] 100.0% [8] 7782(36.6%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [15] 97.7% loop [19] 2.3% ---------------------------------------------------------------------- simplify [3] 100.0% [9] 2584(12.2%) 190(0.9%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [15] 92.6% ---------------------------------------------------------------------- ??? [4] 100.0% [10] 418(2.0%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:285:52 hash-ref! [72] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [11] 392(1.8%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 extract-alt [16] 100.0% ---------------------------------------------------------------------- ??? [5] 100.0% [12] 216(1.0%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:396:33 for-loop [17] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [13] 200(0.9%) 0(0.0%) setup-prog /home/ztatlock/herbie/src/glue.rkt:46:0 simplify-alt [18] 100.0% ---------------------------------------------------------------------- for-loop [7] 100.0% [14] 12794(60.2%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [20] 90.4% gen-series! [22] 6.5% finalize-iter! [24] 3.2% ---------------------------------------------------------------------- simplify [3] 13.7% for-loop [9] 20.7% simplify-expr [8] 65.6% [15] 11588(54.5%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [21] 93.0% map-enodes [23] 7.0% ---------------------------------------------------------------------- get-final-combination [11] 100.0% [16] 392(1.8%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:57:0 argmins [25] 50.0% loop [74] 50.0% ---------------------------------------------------------------------- for-loop [12] 100.0% [17] 216(1.0%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:398:39 hash-ref! [72] 100.0% ---------------------------------------------------------------------- setup-prog [13] 100.0% [18] 200(0.9%) 0(0.0%) simplify-alt .../ztatlock/herbie/src/glue.rkt:84:0 simplify [3] 100.0% ---------------------------------------------------------------------- simplify-expr [8] 100.0% [19] 178(0.8%) 0(0.0%) loop ...tatlock/herbie/src/core/simplify.rkt:203:2 pass [26] 100.0% ---------------------------------------------------------------------- run-iter! [14] 100.0% [20] 11560(54.4%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [27] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [15] 100.0% [21] 10772(50.7%) 0(0.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 loop [28] 56.6% for-loop [29] 40.1% apply-match [35] 3.3% ---------------------------------------------------------------------- run-iter! [14] 100.0% [22] 830(3.9%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [30] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [15] 100.0% [23] 816(3.8%) 0(0.0%) map-enodes ...ock/herbie/src/core/egraph.rkt:139:0 loop [74] 100.0% ---------------------------------------------------------------------- run-iter! [14] 100.0% [24] 404(1.9%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [31] 100.0% ---------------------------------------------------------------------- extract-alt [16] 100.0% [25] 196(0.9%) 0(0.0%) argmins /home/ztatlock/herbie/src/common.rkt:85:0 composed [32] 100.0% ---------------------------------------------------------------------- loop [19] 100.0% [26] 178(0.8%) 0(0.0%) pass ...tatlock/herbie/src/core/simplify.rkt:193:2 for-loop [33] 100.0% ---------------------------------------------------------------------- simplify! [20] 100.0% [27] 11560(54.4%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [34] 100.0% ---------------------------------------------------------------------- one-iter [21] 100.0% [28] 6100(28.7%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [35] 100.0% ---------------------------------------------------------------------- for-loop [29] 50.0% one-iter [21] 50.0% [29] 4316(20.3%) 1180(5.6%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [29] 50.0% match-e [41] 36.3% ---------------------------------------------------------------------- gen-series! [22] 100.0% [30] 830(3.9%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [36] 100.0% ---------------------------------------------------------------------- finalize-iter! [24] 100.0% [31] 404(1.9%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [37] 50.0% atab-add-altns [38] 50.0% ---------------------------------------------------------------------- argmins [25] 100.0% [32] 196(0.9%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [59] 100.0% ---------------------------------------------------------------------- pass [26] 100.0% [33] 178(0.8%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:196:29 for-loop [39] 100.0% ---------------------------------------------------------------------- for-loop [27] 18.7% run [6] 40.0% [34] 21060(99.1%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 40.0% run-improve58 [2] 23.1% simplify [3] 18.7% loop [40] 18.2% ---------------------------------------------------------------------- one-iter [21] 5.5% loop [28] 94.5% [35] 6456(30.4%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 merge-egraph-nodes! [46] 45.7% for-loop [42] 21.1% match-e [41] 15.6% substitute-e [49] 12.0% loop! [82] 2.8% reduce-to-single! [45] 2.8% ---------------------------------------------------------------------- for-loop [30] 100.0% [36] 830(3.9%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [43] 100.0% ---------------------------------------------------------------------- ??? [31] 100.0% [37] 202(1.0%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [44] 100.0% ---------------------------------------------------------------------- ??? [31] 100.0% [38] 202(1.0%) 0(0.0%) atab-add-altns ...rbie/src/core/alt-table.rkt:50:0 atab-add-altn [44] 100.0% ---------------------------------------------------------------------- for-loop [33] 100.0% [39] 178(0.8%) 178(0.8%) for-loop ...ck/herbie/src/core/simplify.rkt:183:13 ---------------------------------------------------------------------- ??? [34] 100.0% [40] 7674(36.1%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [53] 65.5% loop [47] 34.5% ---------------------------------------------------------------------- apply-match [35] 12.2% for-loop [54] 21.9% for-loop [29] 65.9% [41] 4144(19.5%) 2144(10.1%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [48] 33.3% loop [74] 12.0% for-loop [54] 7.6% variable? [52] 2.4% ---------------------------------------------------------------------- apply-match [35] 100.0% [42] 1364(6.4%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:136:10 merge-egraph-nodes! [46] 46.2% loop! [82] 27.7% mk-enode! [57] 13.0% substitute-e [49] 13.0% ---------------------------------------------------------------------- taylor-alt [36] 100.0% [43] 830(3.9%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [50] 100.0% ---------------------------------------------------------------------- atab-add-altns [38] 50.0% for-loop [37] 50.0% [44] 404(1.9%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [51] 100.0% ---------------------------------------------------------------------- apply-match [35] 100.0% [45] 178(0.8%) 178(0.8%) reduce-to-single! ...bie/src/core/egraph.rkt:324:0 ---------------------------------------------------------------------- for-loop [62] 2.8% for-loop [42] 17.6% apply-match [35] 79.6% [46] 3582(16.9%) 818(3.8%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 update-leader! [55] 54.2% loop! [82] 8.5% make-sequence [60] 6.1% for-loop [61] 5.6% for-loop [62] 2.8% ---------------------------------------------------------------------- loop [40] 100.0% [47] 2646(12.4%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [56] 71.1% make-exacts* [53] 28.9% ---------------------------------------------------------------------- match-e [41] 100.0% [48] 1770(8.3%) 990(4.7%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [54] 61.4% ---------------------------------------------------------------------- for-loop [42] 18.7% apply-match [35] 81.3% [49] 954(4.5%) 178(0.8%) substitute-e ...ck/herbie/src/core/ematch.rkt:71:0 mk-enode! [57] 81.3% ---------------------------------------------------------------------- location-do [50] 42.1% for-loop [43] 57.9% [50] 830(3.9%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [58] 57.9% location-do [50] 42.1% ---------------------------------------------------------------------- atab-add-altn [44] 100.0% [51] 404(1.9%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [59] 100.0% ---------------------------------------------------------------------- match-e [41] 100.0% [52] 200(0.9%) 200(0.9%) variable? ...ck/herbie/src/syntax/syntax.rkt:218:0 ---------------------------------------------------------------------- loop [47] 13.2% loop [40] 86.8% [53] 5792(27.2%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [70] 60.8% loop [74] 39.2% ---------------------------------------------------------------------- match-e [41] 31.0% for-loop [48] 69.0% [54] 2020(9.5%) 202(1.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [41] 90.0% ---------------------------------------------------------------------- merge-egraph-nodes! [46] 100.0% [55] 1942(9.1%) 378(1.8%) update-leader! ...herbie/src/core/egraph.rkt:217:0 for-loop [63] 59.7% custom-set-union! [66] 20.8% ---------------------------------------------------------------------- loop [47] 100.0% [56] 1882(8.9%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [70] 100.0% ---------------------------------------------------------------------- for-loop [42] 18.7% substitute-e [49] 81.3% [57] 954(4.5%) 578(2.7%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 hash-has-key? [68] 39.4% ---------------------------------------------------------------------- location-do [50] 100.0% [58] 830(3.9%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [64] 76.1% f94 [65] 23.9% ---------------------------------------------------------------------- composed [32] 32.7% best-and-tied-at-points [51] 67.3% [59] 600(2.8%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 eval-prog [67] 66.3% for-loop [69] 33.7% ---------------------------------------------------------------------- merge-egraph-nodes! [46] 100.0% [60] 218(1.0%) 218(1.0%) make-sequence ...ects/racket/private/for.rkt:508:2 ---------------------------------------------------------------------- merge-egraph-nodes! [46] 100.0% [61] 200(0.9%) 200(0.9%) for-loop ...tlock/herbie/src/core/egraph.rkt:232:6 ---------------------------------------------------------------------- merge-egraph-nodes! [46] 100.0% [62] 200(0.9%) 0(0.0%) for-loop ...lock/herbie/src/core/egraph.rkt:200:10 merge-egraph-nodes! [46] 100.0% ---------------------------------------------------------------------- update-leader! [55] 100.0% [63] 1160(5.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:222:6 for-loop [71] 100.0% ---------------------------------------------------------------------- approximate9 [58] 100.0% [64] 632(3.0%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [72] 100.0% ---------------------------------------------------------------------- approximate9 [58] 6.9% f94 [65] 20.6% hash-ref! [72] 26.0% map [70] 46.6% [65] 412(1.9%) 0(0.0%) f94 ...t/collects/racket/match/compiler.rkt:499:40 map [70] 79.4% f94 [65] 20.6% ---------------------------------------------------------------------- update-leader! [55] 100.0% [66] 404(1.9%) 404(1.9%) custom-set-union! ...t/private/set-types.rkt:246:0 ---------------------------------------------------------------------- errors [59] 100.0% [67] 398(1.9%) 196(0.9%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 inductor [73] 50.8% ---------------------------------------------------------------------- mk-enode! [57] 100.0% [68] 376(1.8%) 376(1.8%) hash-has-key? ...et/private/more-scheme.rkt:368:13 ---------------------------------------------------------------------- errors [59] 100.0% [69] 202(1.0%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [80] 100.0% ---------------------------------------------------------------------- f94 [65] 7.1% loop [56] 32.4% make-exacts* [53] 60.6% [70] 5816(27.4%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [74] 92.9% f94 [65] 4.4% taylor [78] 1.8% taylor-invert [79] 0.9% ---------------------------------------------------------------------- for-loop [63] 100.0% [71] 1160(5.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:223:8 hash-update! [75] 100.0% ---------------------------------------------------------------------- for-loop [17] 4.9% ??? [77] 11.3% for-loop [10] 16.2% loop [64] 19.7% ??? [76] 47.9% [72] 632(3.0%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [76] 47.9% ??? [4] 16.2% ??? [77] 11.3% simplify [84] 11.3% f94 [65] 8.5% ??? [5] 4.9% ---------------------------------------------------------------------- inductor [73] 50.0% eval-prog [67] 50.0% [73] 202(1.0%) 202(1.0%) inductor .../ztatlock/herbie/src/programs.rkt:73:2 inductor [73] 50.0% ---------------------------------------------------------------------- ??? [80] 0.1% make-exacts* [53] 0.1% map-enodes [23] 0.5% map [70] 0.8% extract-alt [16] 1.0% loop! [82] 3.2% match-e [41] 6.2% loop [74] 88.2% [74] 9872(46.4%) 786(3.7%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [74] 88.2% loop! [82] 3.2% simplify [3] 1.0% for-loop [83] 0.5% ??? [80] 0.5% ->flonum [88] 0.4% real->bigfloat [85] 0.1% ---------------------------------------------------------------------- for-loop [71] 100.0% [75] 1160(5.5%) 0(0.0%) hash-update! ...ket/private/more-scheme.rkt:362:13 ??? [81] 100.0% ---------------------------------------------------------------------- hash-ref! [72] 100.0% [76] 632(3.0%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [72] 100.0% ---------------------------------------------------------------------- hash-ref! [72] 100.0% [77] 418(2.0%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [72] 100.0% ---------------------------------------------------------------------- map [70] 100.0% [78] 214(1.0%) 0(0.0%) taylor ...tatlock/herbie/src/core/taylor.rkt:157:0 debug7 [90] 100.0% ---------------------------------------------------------------------- map [70] 100.0% [79] 198(0.9%) 0(0.0%) taylor-invert .../herbie/src/core/taylor.rkt:312:0 simplify [84] 100.0% ---------------------------------------------------------------------- for-loop [69] 2.7% loop [74] 97.3% [80] 7436(35.0%) 510(2.4%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [86] 42.4% loop [74] 29.7% real->bigfloat [85] 15.7% ->flonum [88] 2.7% ??? [103] 2.7% ---------------------------------------------------------------------- hash-update! [75] 100.0% [81] 1160(5.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/egraph.rkt:225:24 for-loop [87] 100.0% ---------------------------------------------------------------------- apply-match [35] 9.3% for-loop [42] 29.0% loop [74] 30.1% merge-egraph-nodes! [46] 31.7% [82] 960(4.5%) 178(0.8%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 custom-set-union [92] 39.8% loop [74] 30.1% set [91] 20.8% ---------------------------------------------------------------------- loop [74] 100.0% [83] 638(3.0%) 398(1.9%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 setfindf [93] 37.6% ---------------------------------------------------------------------- taylor-invert [79] 32.1% hash-ref! [72] 67.9% [84] 616(2.9%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 parse-loop50 [89] 67.9% debug7 [90] 32.1% ---------------------------------------------------------------------- ??? [80] 34.6% loop [74] 65.4% [85] 3372(15.9%) 2202(10.4%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [102] 34.7% ---------------------------------------------------------------------- ??? [80] 100.0% [86] 3152(14.8%) 262(1.2%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [94] 76.6% ...higher-order.rkt:373:33 [95] 15.1% ---------------------------------------------------------------------- ??? [81] 100.0% [87] 1160(5.5%) 1160(5.5%) for-loop ...lock/herbie/src/core/egraph.rkt:226:26 ---------------------------------------------------------------------- ??? [80] 31.5% loop [74] 68.5% [88] 642(3.0%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [96] 65.1% ??? [104] 34.9% ---------------------------------------------------------------------- parse-loop50 [89] 25.8% simplify [84] 74.2% [89] 418(2.0%) 418(2.0%) parse-loop50 ...s/racket/match/compiler.rkt:410:15 parse-loop50 [89] 25.8% ---------------------------------------------------------------------- simplify [84] 48.1% taylor [78] 51.9% [90] 412(1.9%) 412(1.9%) debug7 /home/ztatlock/herbie/src/debug.rkt:102:0 ---------------------------------------------------------------------- loop! [82] 100.0% [91] 400(1.9%) 400(1.9%) set ...collects/racket/private/set-types.rkt:982:0 ---------------------------------------------------------------------- loop! [82] 100.0% [92] 382(1.8%) 0(0.0%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [97] 100.0% ---------------------------------------------------------------------- for-loop [83] 100.0% [93] 240(1.1%) 0(0.0%) setfindf ...e/ztatlock/herbie/src/common.rkt:173:0 for-loop [98] 100.0% ---------------------------------------------------------------------- ??? [86] 100.0% [94] 2414(11.4%) 0(0.0%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfadd [99] 100.0% ---------------------------------------------------------------------- ??? [86] 100.0% [95] 476(2.2%) 0(0.0%) ...higher-order.rkt:373:33 (unknown source) ??? [100] 100.0% ---------------------------------------------------------------------- ->flonum [88] 100.0% [96] 418(2.0%) 418(2.0%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ---------------------------------------------------------------------- custom-set-union [92] 100.0% [97] 382(1.8%) 204(1.0%) for-loop ...cts/racket/private/set-types.rkt:174:3 for-loop [101] 46.6% ---------------------------------------------------------------------- setfindf [93] 100.0% [98] 240(1.1%) 240(1.1%) for-loop ...e/ztatlock/herbie/src/common.rkt:174:2 ---------------------------------------------------------------------- ??? [94] 100.0% [99] 2414(11.4%) 2172(10.2%) bfadd ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [102] 10.0% ---------------------------------------------------------------------- ...higher-order.rkt:373:33 [95]100.0% [100] 476(2.2%) 0(0.0%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [103] 100.0% ---------------------------------------------------------------------- for-loop [97] 100.0% [101] 178(0.8%) 178(0.8%) for-loop ...cts/racket/private/set-types.rkt:178:5 ---------------------------------------------------------------------- bfadd [99] 17.1% real->bigfloat [85] 82.9% [102] 1412(6.6%) 1412(6.6%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ---------------------------------------------------------------------- ??? [80] 29.6% ??? [100] 70.4% [103] 676(3.2%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [104] 100.0% ---------------------------------------------------------------------- ->flonum [88] 24.9% ??? [103] 75.1% [104] 900(4.2%) 900(4.2%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ----------------------------------------------------------------------