Profiling results ----------------- Total cpu time observed: 22636ms (out of 22952ms) Number of samples taken: 96 (once every 236ms) ======================================================================= Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ======================================================================= ??? [26] 100.0% [1] 21944(96.9%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [9] 100.0% ----------------------------------------------------------------------- ??? [26] 100.0% [2] 10596(46.8%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 get-final-combination [10] 37.4% finalize-table! [11] 33.4% for-loop [12] 29.2% ----------------------------------------------------------------------- copying-mergesort [38] 100.0% [3] 672(3.0%) 0(0.0%) jloop ...et/collects/racket/private/sort.rkt:85:19 ??? [50] 100.0% ----------------------------------------------------------------------- f143 [68] 100.0% [4] 202(0.9%) 0(0.0%) loop .../ztatlock/herbie/src/core/taylor.rkt:262:2 hash-ref! [55] 100.0% ----------------------------------------------------------------------- f143 [68] 100.0% [5] 202(0.9%) 0(0.0%) taylor-invert .../herbie/src/core/taylor.rkt:312:0 simplify [59] 100.0% ----------------------------------------------------------------------- hash-ref! [55] 100.0% [6] 200(0.9%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [13] 100.0% ----------------------------------------------------------------------- hash-ref! [55] 100.0% [7] 200(0.9%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:285:26 for-loop [14] 100.0% ----------------------------------------------------------------------- loop [67] 100.0% [8] 200(0.9%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 map [49] 100.0% ----------------------------------------------------------------------- profile-thunk14 [1] 100.0% [9] 21944(96.9%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [26] 100.0% ----------------------------------------------------------------------- run-improve58 [2] 100.0% [10] 3962(17.5%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 split-table [15] 100.0% ----------------------------------------------------------------------- run-improve58 [2] 100.0% [11] 3544(15.7%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [16] 100.0% ----------------------------------------------------------------------- run-improve58 [2] 100.0% [12] 3090(13.7%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [17] 100.0% ----------------------------------------------------------------------- ??? [6] 100.0% [13] 200(0.9%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [55] 100.0% ----------------------------------------------------------------------- ??? [7] 100.0% [14] 200(0.9%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:285:52 hash-ref! [55] 100.0% ----------------------------------------------------------------------- get-final-combination [10] 100.0% [15] 3962(17.5%) 0(0.0%) split-table .../ztatlock/herbie/src/glue.rkt:171:0 infer-splitpoints4 [18] 100.0% ----------------------------------------------------------------------- finalize-table! [11] 100.0% [16] 3544(15.7%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 loop [67] 71.1% for-loop [20] 23.2% ??? [24] 5.7% ----------------------------------------------------------------------- for-loop [12] 100.0% [17] 3090(13.7%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [19] 72.9% finalize-iter! [21] 20.6% localize-error [72] 6.5% ----------------------------------------------------------------------- split-table [15] 100.0% [18] 3962(17.5%) 0(0.0%) infer-splitpoints4 ...ie/src/core/regimes.rkt:19:0 option-on-expr [22] 100.0% ----------------------------------------------------------------------- run-iter! [17] 100.0% [19] 2252(9.9%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [23] 100.0% ----------------------------------------------------------------------- post-process [16] 100.0% [20] 822(3.6%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [25] 100.0% ----------------------------------------------------------------------- run-iter! [17] 100.0% [21] 638(2.8%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [24] 100.0% ----------------------------------------------------------------------- infer-splitpoints4 [18] 100.0% [22] 3962(17.5%) 0(0.0%) option-on-expr ...erbie/src/core/regimes.rkt:106:0 sort-context-on-expr [27] 94.4% pick-errors [30] 5.6% ----------------------------------------------------------------------- simplify! [19] 100.0% [23] 2252(9.9%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [26] 100.0% ----------------------------------------------------------------------- post-process [16] 24.0% finalize-iter! [21] 76.0% [24] 840(3.7%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [28] 100.0% ----------------------------------------------------------------------- for-loop [20] 100.0% [25] 822(3.6%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [29] 100.0% ----------------------------------------------------------------------- for-loop [23] 3.5% run [9] 47.5% [26] 22366(98.8%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 47.5% loop [31] 26.3% run-improve58 [2] 22.7% simplify [33] 3.5% ----------------------------------------------------------------------- option-on-expr [22] 100.0% [27] 3742(16.5%) 0(0.0%) sort-context-on-expr ...herbie/src/points.rkt:50:0 sort [32] 100.0% ----------------------------------------------------------------------- ??? [24] 100.0% [28] 840(3.7%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [34] 100.0% ----------------------------------------------------------------------- append-map [25] 100.0% [29] 822(3.6%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [35] 100.0% ----------------------------------------------------------------------- option-on-expr [22] 100.0% [30] 220(1.0%) 0(0.0%) pick-errors ...k/herbie/src/core/regimes.rkt:173:0 for-loop [36] 100.0% ----------------------------------------------------------------------- ??? [26] 100.0% [31] 11770(52.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [43] 45.0% loop [37] 34.9% loop [44] 20.1% ----------------------------------------------------------------------- localize-error [72] 5.6% sort-context-on-expr [27] 94.4% [32] 3962(17.5%) 0(0.0%) sort ...ket/collects/racket/private/sort.rkt:213:0 copying-mergesort [38] 72.7% loop [45] 21.7% errors-score [41] 5.6% ----------------------------------------------------------------------- ??? [26] 100.0% [33] 2252(9.9%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 iterate-egraph!5 [80] 45.6% simplify-expr [76] 45.5% for-loop [42] 9.0% ----------------------------------------------------------------------- for-loop [28] 100.0% [34] 840(3.7%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [39] 100.0% ----------------------------------------------------------------------- taylor-alt [29] 100.0% [35] 822(3.6%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [40] 100.0% ----------------------------------------------------------------------- pick-errors [30] 100.0% [36] 220(1.0%) 0(0.0%) for-loop ...lock/herbie/src/core/regimes.rkt:176:4 eval-prog [53] 100.0% ----------------------------------------------------------------------- loop [31] 100.0% [37] 4106(18.1%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [44] 56.1% make-exacts* [43] 43.9% ----------------------------------------------------------------------- sort [32] 46.8% copying-mergesort [38] 53.2% [38] 2882(12.7%) 0(0.0%) copying-mergesort .../racket/private/sort.rkt:91:4 copying-mergesort [38] 53.2% loop [45] 41.0% jloop [3] 5.8% ----------------------------------------------------------------------- atab-add-altn [34] 100.0% [39] 840(3.7%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [46] 100.0% ----------------------------------------------------------------------- location-do [40] 30.0% for-loop [35] 70.0% [40] 822(3.6%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [47] 70.0% location-do [40] 30.0% ----------------------------------------------------------------------- sort [32] 100.0% [41] 220(1.0%) 0(0.0%) errors-score ...atlock/herbie/src/points.rkt:154:0 loop [48] 100.0% ----------------------------------------------------------------------- simplify [33] 100.0% [42] 202(0.9%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [80] 100.0% ----------------------------------------------------------------------- loop [37] 25.4% loop [31] 74.6% [43] 7096(31.3%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 loop [67] 53.3% map [49] 46.7% ----------------------------------------------------------------------- loop [37] 49.3% loop [31] 50.7% [44] 4674(20.6%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 loop [67] 50.7% map [49] 49.3% ----------------------------------------------------------------------- sort [32] 28.0% copying-mergesort [38] 72.0% [45] 3070(13.6%) 0(0.0%) loop ...cket/collects/racket/private/sort.rkt:64:8 ??? [50] 100.0% ----------------------------------------------------------------------- best-and-tied-at-points [39] 100.0% [46] 840(3.7%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 eval-prog [53] 52.1% for-loop [52] 47.9% ----------------------------------------------------------------------- location-do [40] 100.0% [47] 822(3.6%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [51] 50.9% f143 [68] 49.1% ----------------------------------------------------------------------- errors-score [41] 100.0% [48] 220(1.0%) 220(1.0%) loop ...hare/racket/collects/racket/list.rkt:551:2 ----------------------------------------------------------------------- ??? [8] 3.1% f143 [68] 9.7% loop [44] 35.8% make-exacts* [43] 51.5% [49] 6440(28.5%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [67] 87.2% f143 [68] 9.7% ->flonum [54] 3.1% ----------------------------------------------------------------------- jloop [3] 18.0% loop [45] 82.0% [50] 3742(16.5%) 0(0.0%) ??? /home/ztatlock/herbie/src/points.rkt:52:27 eval-prog [53] 94.1% ??? [70] 5.9% ----------------------------------------------------------------------- approximate9 [47] 100.0% [51] 418(1.8%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [55] 100.0% ----------------------------------------------------------------------- errors [46] 100.0% [52] 402(1.8%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [70] 100.0% ----------------------------------------------------------------------- for-loop [36] 5.3% errors [46] 10.5% ??? [50] 84.3% [53] 4180(18.5%) 3286(14.5%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 parse-app [56] 5.8% ??? [57] 5.5% go [58] 5.3% hash-ref! [55] 4.8% ----------------------------------------------------------------------- map [49] 100.0% [54] 200(0.9%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [88] 100.0% ----------------------------------------------------------------------- for-loop [14] 2.4% ??? [65] 2.4% eval-prog [53] 4.0% for-loop [13] 7.3% ??? [61] 9.6% ??? [60] 9.6% loop [51] 9.6% loop [67] 15.8% localize-error [72] 19.6% loop [4] 19.8% [55] 1022(4.5%) 202(0.9%) hash-ref! ...racket/private/more-scheme.rkt:373:13 simplify [59] 26.9% parse-loop12 [66] 19.6% ??? [63] 15.8% ??? [60] 9.6% ??? [61] 9.6% ??? [6] 7.3% ??? [65] 2.4% ??? [7] 2.4% ??? [64] 2.4% ----------------------------------------------------------------------- eval-prog [53] 100.0% [56] 242(1.1%) 242(1.1%) parse-app .../collects/racket/private/kw.rkt:903:2 ----------------------------------------------------------------------- eval-prog [53] 100.0% [57] 228(1.0%) 228(1.0%) ??? ...collects/racket/private/qq-and-or.rkt:155:9 ----------------------------------------------------------------------- eval-prog [53] 100.0% [58] 222(1.0%) 0(0.0%) go .../collects/racket/private/qq-and-or.rkt:50:20 loop [62] 100.0% ----------------------------------------------------------------------- taylor-invert [5] 32.5% hash-ref! [55] 67.5% [59] 622(2.7%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 debug7 [69] 65.0% f143 [68] 35.0% ----------------------------------------------------------------------- hash-ref! [55] 100.0% [60] 418(1.8%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [55] 100.0% ----------------------------------------------------------------------- hash-ref! [55] 100.0% [61] 418(1.8%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [55] 100.0% ----------------------------------------------------------------------- go [58] 100.0% [62] 222(1.0%) 222(1.0%) loop ...llects/racket/private/qq-and-or.rkt:101:61 ----------------------------------------------------------------------- hash-ref! [55] 100.0% [63] 202(0.9%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:197:5 loop [67] 100.0% ----------------------------------------------------------------------- hash-ref! [55] 100.0% [64] 200(0.9%) 200(0.9%) ??? .../ztatlock/herbie/src/core/taylor.rkt:425:23 ----------------------------------------------------------------------- hash-ref! [55] 100.0% [65] 200(0.9%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:357:30 hash-ref! [55] 100.0% ----------------------------------------------------------------------- hash-ref! [55] 100.0% [66] 200(0.9%) 0(0.0%) parse-loop12 ...s/racket/match/compiler.rkt:410:15 loop [67] 100.0% ----------------------------------------------------------------------- loop [44] 0.0% parse-loop12 [66] 0.0% make-exacts* [43] 0.2% map [49] 0.4% ??? [63] 1.4% post-process [16] 3.2% loop [67] 94.9% [67] 14962(66.1%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [67] 94.9% completely-simplify-alt [71] 1.7% localize-error [72] 1.5% hash-ref! [55] 1.4% ??? [70] 0.6% ??? [8] 0.0% ----------------------------------------------------------------------- simplify [59] 5.8% f143 [68] 16.2% approximate9 [47] 24.4% map [49] 53.6% [68] 622(2.7%) 0(0.0%) f143 .../collects/racket/match/compiler.rkt:499:40 map [49] 53.6% loop [4] 16.2% f143 [68] 16.2% taylor-invert [5] 8.1% gather-multiplicative-terms [74] 5.8% ----------------------------------------------------------------------- simplify [59] 100.0% [69] 404(1.8%) 0(0.0%) debug7 /home/ztatlock/herbie/src/debug.rkt:102:0 ??? [73] 100.0% ----------------------------------------------------------------------- ??? [50] 1.7% for-loop [52] 3.2% loop [67] 95.1% [70] 12662(55.9%) 682(3.0%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [75] 66.9% real->bigfloat [77] 22.6% ??? [78] 5.2% ----------------------------------------------------------------------- loop [67] 100.0% [71] 2300(10.2%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [76] 100.0% ----------------------------------------------------------------------- run-iter! [17] 47.6% loop [67] 52.4% [72] 420(1.9%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 sort [32] 52.4% hash-ref! [55] 47.6% ----------------------------------------------------------------------- debug7 [69] 100.0% [73] 404(1.8%) 0(0.0%) ??? ...racket/collects/racket/private/kw.rkt:713:9 ??? [79] 100.0% ----------------------------------------------------------------------- f143 [68] 100.0% [74] 218(1.0%) 218(1.0%) gather-multiplicative-terms ...re/reduce.rkt:107:0 ----------------------------------------------------------------------- ??? [70] 100.0% [75] 8468(37.4%) 200(0.9%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [83] 86.0% bf* [81] 9.0% ??? [82] 2.6% ----------------------------------------------------------------------- simplify [33] 30.8% completely-simplify-alt [71] 69.2% [76] 3324(14.7%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [80] 100.0% ----------------------------------------------------------------------- ??? [70] 100.0% [77] 2858(12.6%) 1942(8.6%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [93] 32.1% ----------------------------------------------------------------------- ??? [70] 100.0% [78] 654(2.9%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [88] 100.0% ----------------------------------------------------------------------- ??? [73] 100.0% [79] 404(1.8%) 404(1.8%) ??? ...s/racket/contract/private/arr-i.rkt:1233:27 ----------------------------------------------------------------------- for-loop [42] 4.4% simplify [33] 22.5% simplify-expr [76] 73.0% [80] 4552(20.1%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [84] 95.6% *simplify-rules* [85] 4.4% ----------------------------------------------------------------------- ??? [75] 100.0% [81] 764(3.4%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [83] 100.0% ----------------------------------------------------------------------- ??? [75] 100.0% [82] 220(1.0%) 220(1.0%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ----------------------------------------------------------------------- bf* [81] 9.5% ??? [75] 90.5% [83] 8048(35.6%) 3958(17.5%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfsin [87] 38.4% bfmul [89] 6.5% ??? [88] 5.9% ----------------------------------------------------------------------- iterate-egraph!5 [80] 100.0% [84] 4350(19.2%) 220(1.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [86] 76.6% loop [90] 9.2% loop [91] 9.2% ----------------------------------------------------------------------- iterate-egraph!5 [80] 100.0% [85] 202(0.9%) 0(0.0%) *simplify-rules* ...bie/src/syntax/rules.rkt:300:0 ormap [92] 100.0% ----------------------------------------------------------------------- for-loop [86] 47.0% one-iter [84] 53.0% [86] 3330(14.7%) 1020(4.5%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [86] 47.0% match-e [94] 34.7% ----------------------------------------------------------------------- ??? [83] 100.0% [87] 3090(13.7%) 1890(8.3%) bfsin ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [93] 38.8% ----------------------------------------------------------------------- ->flonum [54] 15.0% ??? [83] 35.8% ??? [78] 49.2% [88] 1330(5.9%) 454(2.0%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [95] 65.9% ----------------------------------------------------------------------- ??? [83] 100.0% [89] 524(2.3%) 222(1.0%) bfmul ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [93] 57.6% ----------------------------------------------------------------------- one-iter [84] 100.0% [90] 400(1.8%) 400(1.8%) loop ...ket/collects/racket/private/list.rkt:264:4 ----------------------------------------------------------------------- one-iter [84] 100.0% [91] 400(1.8%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [96] 100.0% ----------------------------------------------------------------------- *simplify-rules* [85] 100.0% [92] 202(0.9%) 202(0.9%) ormap ...et/collects/racket/private/map.rkt:106:13 ----------------------------------------------------------------------- bfmul [89] 12.5% real->bigfloat [77] 37.9% bfsin [87] 49.6% [93] 2418(10.7%) 2418(10.7%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ----------------------------------------------------------------------- for-loop [86] 100.0% [94] 2310(10.2%) 2110(9.3%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [98] 8.7% ----------------------------------------------------------------------- ??? [88] 100.0% [95] 876(3.9%) 200(0.9%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [97] 77.2% ----------------------------------------------------------------------- loop [91] 100.0% [96] 400(1.8%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 update-leader! [100] 50.0% merge-egraph-nodes! [99] 50.0% ----------------------------------------------------------------------- ??? [95] 100.0% [97] 676(3.0%) 676(3.0%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ----------------------------------------------------------------------- match-e [94] 100.0% [98] 200(0.9%) 200(0.9%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 ----------------------------------------------------------------------- apply-match [96] 100.0% [99] 200(0.9%) 0(0.0%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 update-leader! [100] 100.0% ----------------------------------------------------------------------- merge-egraph-nodes! [99] 50.0% apply-match [96] 50.0% [100] 400(1.8%) 0(0.0%) update-leader! ...herbie/src/core/egraph.rkt:217:0 for-loop [101] 100.0% ----------------------------------------------------------------------- update-leader! [100] 100.0% [101] 400(1.8%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:222:6 for-loop [102] 100.0% ----------------------------------------------------------------------- for-loop [101] 100.0% [102] 400(1.8%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:223:8 hash-update! [103] 100.0% ----------------------------------------------------------------------- for-loop [102] 100.0% [103] 400(1.8%) 0(0.0%) hash-update! ...ket/private/more-scheme.rkt:362:13 ??? [104] 100.0% ----------------------------------------------------------------------- hash-update! [103] 100.0% [104] 400(1.8%) 0(0.0%) ??? .../ztatlock/herbie/src/core/egraph.rkt:225:24 for-loop [105] 100.0% ----------------------------------------------------------------------- ??? [104] 100.0% [105] 400(1.8%) 400(1.8%) for-loop ...lock/herbie/src/core/egraph.rkt:226:26 -----------------------------------------------------------------------