Profiling results ----------------- Total cpu time observed: 18196ms (out of 18440ms) Number of samples taken: 78 (once every 233ms) =================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee =================================================================== ??? [34] 100.0% [1] 17352(95.4%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [10] 100.0% ------------------------------------------------------------------- ??? [34] 100.0% [2] 11536(63.4%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 for-loop [11] 83.6% get-final-combination [13] 14.6% loop [40] 1.7% ------------------------------------------------------------------- ??? [34] 100.0% [3] 7540(41.4%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 iterate-egraph!5 [17] 59.7% simplify-expr [12] 40.3% ------------------------------------------------------------------- hash-ref! [79] 100.0% [4] 1024(5.6%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f94 [69] 80.3% parse-loop50 [86] 19.7% ------------------------------------------------------------------- hash-ref! [79] 100.0% [5] 496(2.7%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:197:5 loop [77] 100.0% ------------------------------------------------------------------- copying-mergesort [51] 100.0% [6] 438(2.4%) 0(0.0%) jloop ...et/collects/racket/private/sort.rkt:85:19 ??? [67] 100.0% ------------------------------------------------------------------- hash-ref! [79] 100.0% [7] 402(2.2%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [14] 100.0% ------------------------------------------------------------------- loop [77] 100.0% [8] 226(1.2%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [79] 85.7% map [74] 14.3% ------------------------------------------------------------------- hash-ref! [79] 100.0% [9] 202(1.1%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:392:23 for-loop [15] 100.0% ------------------------------------------------------------------- profile-thunk14 [1] 100.0% [10] 17352(95.4%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [34] 100.0% ------------------------------------------------------------------- run-improve58 [2] 100.0% [11] 9648(53.0%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [16] 100.0% ------------------------------------------------------------------- simplify [3] 100.0% [12] 3038(16.7%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [17] 100.0% ------------------------------------------------------------------- run-improve58 [2] 100.0% [13] 1688(9.3%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 split-table [18] 100.0% ------------------------------------------------------------------- ??? [7] 100.0% [14] 402(2.2%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [79] 100.0% ------------------------------------------------------------------- ??? [9] 100.0% [15] 202(1.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:396:33 for-loop [19] 100.0% ------------------------------------------------------------------- for-loop [11] 100.0% [16] 9648(53.0%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [20] 78.2% gen-series! [23] 12.7% finalize-iter! [24] 9.2% ------------------------------------------------------------------- simplify-expr [12] 40.3% simplify [3] 59.7% [17] 7540(41.4%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [21] 96.8% map-enodes [25] 3.2% ------------------------------------------------------------------- get-final-combination [13] 100.0% [18] 1688(9.3%) 0(0.0%) split-table .../ztatlock/herbie/src/glue.rkt:171:0 infer-splitpoints4 [22] 100.0% ------------------------------------------------------------------- for-loop [15] 100.0% [19] 202(1.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:398:39 hash-ref! [79] 100.0% ------------------------------------------------------------------- run-iter! [16] 100.0% [20] 7540(41.4%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [26] 100.0% ------------------------------------------------------------------- iterate-egraph!5 [17] 100.0% [21] 7298(40.1%) 884(4.9%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [27] 47.2% loop [28] 31.7% apply-match [35] 6.3% filter [33] 2.7% ------------------------------------------------------------------- split-table [18] 100.0% [22] 1688(9.3%) 0(0.0%) infer-splitpoints4 ...ie/src/core/regimes.rkt:19:0 option-on-expr [29] 86.6% exprs-to-branch-on [32] 13.4% ------------------------------------------------------------------- run-iter! [16] 100.0% [23] 1222(6.7%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [30] 100.0% ------------------------------------------------------------------- run-iter! [16] 100.0% [24] 886(4.9%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [31] 100.0% ------------------------------------------------------------------- iterate-egraph!5 [17] 100.0% [25] 242(1.3%) 0(0.0%) map-enodes ...ock/herbie/src/core/egraph.rkt:139:0 loop [77] 100.0% ------------------------------------------------------------------- simplify! [20] 100.0% [26] 7540(41.4%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [34] 100.0% ------------------------------------------------------------------- for-loop [27] 46.8% one-iter [21] 53.2% [27] 3442(18.9%) 846(4.6%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [27] 46.8% match-e [41] 37.7% ------------------------------------------------------------------- one-iter [21] 100.0% [28] 2312(12.7%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [35] 100.0% ------------------------------------------------------------------- infer-splitpoints4 [22] 100.0% [29] 1462(8.0%) 0(0.0%) option-on-expr ...erbie/src/core/regimes.rkt:106:0 sort-context-on-expr [36] 100.0% ------------------------------------------------------------------- gen-series! [23] 100.0% [30] 1222(6.7%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [37] 100.0% ------------------------------------------------------------------- finalize-iter! [24] 100.0% [31] 886(4.9%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [38] 100.0% ------------------------------------------------------------------- infer-splitpoints4 [22] 100.0% [32] 226(1.2%) 0(0.0%) exprs-to-branch-on ...ie/src/core/regimes.rkt:41:0 critical-subexpression [39] 100.0% ------------------------------------------------------------------- one-iter [21] 100.0% [33] 200(1.1%) 200(1.1%) filter ...t/collects/racket/private/list.rkt:256:2 ------------------------------------------------------------------- for-loop [26] 14.4% run [10] 41.4% [34] 18196(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 41.4% run-improve58 [2] 25.9% loop [40] 18.3% simplify [3] 14.4% ------------------------------------------------------------------- one-iter [21] 16.6% loop [28] 83.4% [35] 2772(15.2%) 200(1.1%) apply-match .../herbie/src/core/simplify.rkt:122:2 match-e [41] 37.1% merge-egraph-nodes! [44] 33.3% loop! [80] 14.4% substitute-e [47] 7.9% ------------------------------------------------------------------- option-on-expr [29] 100.0% [36] 1462(8.0%) 0(0.0%) sort-context-on-expr ...herbie/src/points.rkt:50:0 sort [42] 100.0% ------------------------------------------------------------------- for-loop [30] 100.0% [37] 1222(6.7%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [43] 100.0% ------------------------------------------------------------------- ??? [31] 100.0% [38] 886(4.9%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [45] 100.0% ------------------------------------------------------------------- exprs-to-branch-on [32] 100.0% [39] 226(1.2%) 0(0.0%) critical-subexpression ...rc/core/regimes.rkt:49:0 localize-error [46] 100.0% ------------------------------------------------------------------- run-improve58 [2] 2.9% ??? [34] 97.1% [40] 6860(37.7%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 loop [48] 43.1% make-exacts* [57] 43.0% loop [58] 14.0% ------------------------------------------------------------------- for-loop [59] 11.4% apply-match [35] 22.8% for-loop [27] 65.8% [41] 3624(19.9%) 1514(8.3%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [49] 35.0% for-loop [59] 17.2% loop [77] 6.1% constant? [56] 5.5% ------------------------------------------------------------------- sort-context-on-expr [36] 100.0% [42] 1462(8.0%) 0(0.0%) sort ...ket/collects/racket/private/sort.rkt:213:0 copying-mergesort [51] 58.5% loop [61] 41.5% ------------------------------------------------------------------- taylor-alt [37] 100.0% [43] 1222(6.7%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [50] 100.0% ------------------------------------------------------------------- apply-match [35] 100.0% [44] 924(5.1%) 0(0.0%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 loop! [80] 50.0% enode-merge! [54] 26.0% update-leader! [55] 24.0% ------------------------------------------------------------------- for-loop [38] 100.0% [45] 886(4.9%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [52] 72.9% override-at-pnts [53] 27.1% ------------------------------------------------------------------- critical-subexpression [39] 100.0% [46] 226(1.2%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [79] 100.0% ------------------------------------------------------------------- apply-match [35] 100.0% [47] 220(1.2%) 220(1.2%) substitute-e ...ck/herbie/src/core/ematch.rkt:71:0 ------------------------------------------------------------------- loop [40] 100.0% [48] 2954(16.2%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [58] 68.0% make-exacts* [57] 23.2% eval-prog [75] 8.8% ------------------------------------------------------------------- match-e [41] 100.0% [49] 1268(7.0%) 444(2.4%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [59] 32.4% list-cartesian-product [62] 24.6% foldl [82] 15.9% ------------------------------------------------------------------- location-do [50] 16.4% for-loop [43] 83.6% [50] 1222(6.7%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [60] 83.6% location-do [50] 16.4% ------------------------------------------------------------------- sort [42] 37.2% copying-mergesort [51] 62.8% [51] 856(4.7%) 0(0.0%) copying-mergesort .../racket/private/sort.rkt:91:4 copying-mergesort [51] 62.8% loop [61] 24.4% jloop [6] 12.8% ------------------------------------------------------------------- atab-add-altn [45] 100.0% [52] 646(3.6%) 220(1.2%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [64] 34.7% for-loop [66] 31.3% ------------------------------------------------------------------- atab-add-altn [45] 100.0% [53] 240(1.3%) 240(1.3%) override-at-pnts ...e/src/core/alt-table.rkt:145:0 ------------------------------------------------------------------- merge-egraph-nodes! [44] 100.0% [54] 240(1.3%) 0(0.0%) enode-merge! ...ck/herbie/src/core/enode.rkt:100:0 adopt-enode! [63] 100.0% ------------------------------------------------------------------- merge-egraph-nodes! [44] 100.0% [55] 222(1.2%) 0(0.0%) update-leader! ...herbie/src/core/egraph.rkt:217:0 for-loop [65] 100.0% ------------------------------------------------------------------- match-e [41] 100.0% [56] 200(1.1%) 200(1.1%) constant? ...ck/herbie/src/syntax/syntax.rkt:221:0 ------------------------------------------------------------------- loop [48] 18.8% loop [40] 81.2% [57] 3632(20.0%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [74] 65.6% loop [77] 27.9% eval-prog [75] 6.5% ------------------------------------------------------------------- loop [40] 32.3% loop [48] 67.7% [58] 2968(16.3%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [74] 100.0% ------------------------------------------------------------------- for-loop [49] 43.0% match-e [41] 57.0% [59] 1446(7.9%) 200(1.1%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [41] 57.1% ??? [70] 29.0% ------------------------------------------------------------------- location-do [50] 100.0% [60] 1222(6.7%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [68] 83.8% f94 [69] 16.2% ------------------------------------------------------------------- copying-mergesort [51] 40.8% sort [42] 59.2% [61] 1024(5.6%) 0(0.0%) loop ...cket/collects/racket/private/sort.rkt:64:8 ??? [67] 100.0% ------------------------------------------------------------------- list-cartesian-product [62] 26.1% for-loop [49] 73.9% [62] 422(2.3%) 422(2.3%) list-cartesian-product ...src/core/ematch.rkt:20:0 list-cartesian-product [62] 26.1% ------------------------------------------------------------------- enode-merge! [54] 100.0% [63] 240(1.3%) 0(0.0%) adopt-enode! ...ock/herbie/src/core/enode.rkt:76:0 custom-set-union [88] 100.0% ------------------------------------------------------------------- best-and-tied-at-points [52]100.0% [64] 224(1.2%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [71] 100.0% ------------------------------------------------------------------- update-leader! [55] 100.0% [65] 222(1.2%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:222:6 for-loop [72] 100.0% ------------------------------------------------------------------- best-and-tied-at-points [52]100.0% [66] 202(1.1%) 0(0.0%) for-loop ...k/herbie/src/core/alt-table.rkt:124:16 ??? [73] 100.0% ------------------------------------------------------------------- jloop [6] 30.0% loop [61] 70.0% [67] 1462(8.0%) 204(1.1%) ??? /home/ztatlock/herbie/src/points.rkt:52:27 eval-prog [75] 86.0% ------------------------------------------------------------------- approximate9 [60] 100.0% [68] 1024(5.6%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [79] 100.0% ------------------------------------------------------------------- f94 [69] 9.7% approximate9 [60] 9.7% simplify [4] 80.6% [69] 1020(5.6%) 198(1.1%) f94 ...t/collects/racket/match/compiler.rkt:499:40 map [74] 80.6% f94 [69] 9.7% ------------------------------------------------------------------- for-loop [59] 100.0% [70] 420(2.3%) 0(0.0%) ??? /home/ztatlock/herbie/src/core/ematch.rkt:50:5 for-loop [76] 100.0% ------------------------------------------------------------------- errors [64] 100.0% [71] 224(1.2%) 224(1.2%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ------------------------------------------------------------------- for-loop [65] 100.0% [72] 222(1.2%) 222(1.2%) for-loop ...tlock/herbie/src/core/egraph.rkt:223:8 ------------------------------------------------------------------- for-loop [66] 100.0% [73] 202(1.1%) 202(1.1%) ??? ...ket/collects/racket/private/for.rkt:1150:14 ------------------------------------------------------------------- ??? [8] 3.4% parse-loop50 [86] 4.6% f94 [69] 10.9% make-exacts* [57] 36.1% loop [58] 45.0% [74] 6600(36.3%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [77] 76.5% parse-loop50 [86] 12.5% ??? [78] 7.6% ->flonum [81] 3.4% ------------------------------------------------------------------- make-exacts* [57] 13.5% loop [48] 14.8% ??? [67] 71.7% [75] 1754(9.6%) 1258(6.9%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 hash-ref! [79] 28.3% ------------------------------------------------------------------- ??? [70] 100.0% [76] 420(2.3%) 420(2.3%) for-loop ...atlock/herbie/src/core/ematch.rkt:51:7 ------------------------------------------------------------------- make-exacts* [57] 0.0% map-enodes [25] 1.5% match-e [41] 2.7% loop! [80] 2.7% map [74] 5.9% ??? [5] 6.0% parse-loop50 [86] 7.8% loop [77] 73.5% [77] 8314(45.7%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [77] 73.5% parse-loop50 [86] 9.9% hash-ref! [79] 6.0% ??? [78] 3.4% loop! [80] 2.7% foldl [82] 2.7% for-loop [83] 1.5% ??? [8] 0.4% ->flonum [81] 0.0% ------------------------------------------------------------------- map [74] 8.5% loop [77] 91.5% [78] 5930(32.6%) 216(1.2%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [84] 59.5% real->bigfloat [85] 28.6% ??? [90] 8.3% ------------------------------------------------------------------- localize-error [46] 1.8% for-loop [19] 2.9% for-loop [14] 6.7% ??? [8] 11.1% loop [77] 14.2% eval-prog [75] 14.2% ??? [87] 24.5% loop [68] 24.5% [79] 1746(9.6%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [87] 24.5% simplify [4] 24.5% ??? [5] 14.2% bigfloat-hash [89] 14.2% parse-loop50 [86] 12.9% ??? [7] 6.7% ??? [9] 2.9% ------------------------------------------------------------------- loop [77] 25.6% apply-match [35] 34.8% merge-egraph-nodes! [44] 39.6% [80] 862(4.7%) 442(2.4%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 custom-set-union [88] 37.1% loop [77] 25.6% ------------------------------------------------------------------- map [74] 34.2% loop [77] 65.8% [81] 660(3.6%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [93] 65.8% ??? [92] 34.2% ------------------------------------------------------------------- for-loop [49] 47.6% loop [77] 52.4% [82] 424(2.3%) 424(2.3%) foldl ...et/collects/racket/private/list.rkt:229:4 ------------------------------------------------------------------- loop [77] 100.0% [83] 242(1.3%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 eval-const-expr [91] 100.0% ------------------------------------------------------------------- ??? [78] 100.0% [84] 3528(19.4%) 0(0.0%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [98] 94.3% bf* [97] 5.7% ------------------------------------------------------------------- ??? [78] 100.0% [85] 1694(9.3%) 1422(7.8%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [104] 16.1% ------------------------------------------------------------------- simplify [4] 3.2% hash-ref! [79] 18.1% parse-loop50 [86] 23.6% loop [77] 25.2% map [74] 29.9% [86] 1250(6.9%) 1024(5.6%) parse-loop50 ...s/racket/match/compiler.rkt:410:15 loop [77] 40.0% parse-loop50 [86] 23.6% map [74] 7.2% ------------------------------------------------------------------- hash-ref! [79] 100.0% [87] 1024(5.6%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [79] 100.0% ------------------------------------------------------------------- adopt-enode! [63] 36.4% loop! [80] 63.6% [88] 660(3.6%) 200(1.1%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [95] 69.7% ------------------------------------------------------------------- hash-ref! [79] 100.0% [89] 496(2.7%) 0(0.0%) bigfloat-hash ...h/private/bigfloat/mpfr.rkt:165:0 sig+exp->bigfloat [94] 100.0% ------------------------------------------------------------------- ??? [78] 100.0% [90] 492(2.7%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [93] 100.0% ------------------------------------------------------------------- for-loop [83] 100.0% [91] 242(1.3%) 0(0.0%) eval-const-expr ...k/herbie/src/programs.rkt:180:0 parse-app [96] 100.0% ------------------------------------------------------------------- ->flonum [81] 100.0% [92] 226(1.2%) 226(1.2%) ??? ...-racket/utils/simple-result-arrow.rkt:47:15 ------------------------------------------------------------------- ->flonum [81] 46.9% ??? [90] 53.1% [93] 926(5.1%) 216(1.2%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [99] 76.7% ------------------------------------------------------------------- bigfloat-hash [89] 100.0% [94] 496(2.7%) 496(2.7%) sig+exp->bigfloat ...ivate/bigfloat/mpfr.rkt:385:0 ------------------------------------------------------------------- custom-set-union [88] 100.0% [95] 460(2.5%) 0(0.0%) for-loop ...cts/racket/private/set-types.rkt:174:3 for-loop [100] 100.0% ------------------------------------------------------------------- eval-const-expr [91] 100.0% [96] 242(1.3%) 0(0.0%) parse-app .../collects/racket/private/kw.rkt:903:2 loop [101] 100.0% ------------------------------------------------------------------- ??? [84] 100.0% [97] 200(1.1%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [98] 100.0% ------------------------------------------------------------------- bf* [97] 5.7% ??? [84] 94.3% [98] 3528(19.4%) 1150(6.3%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfmul [102] 67.4% ------------------------------------------------------------------- ??? [93] 100.0% [99] 710(3.9%) 448(2.5%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [103] 36.9% ------------------------------------------------------------------- for-loop [95] 100.0% [100] 460(2.5%) 460(2.5%) for-loop ...cts/racket/private/set-types.rkt:178:5 ------------------------------------------------------------------- parse-app [96] 100.0% [101] 242(1.3%) 242(1.3%) loop .../collects/racket/private/stxcase.rkt:112:7 ------------------------------------------------------------------- ??? [98] 100.0% [102] 2378(13.1%) 976(5.4%) bfmul ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [104] 59.0% ------------------------------------------------------------------- ??? [99] 100.0% [103] 262(1.4%) 262(1.4%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ------------------------------------------------------------------- real->bigfloat [85] 16.2% bfmul [102] 83.8% [104] 1674(9.2%) 1674(9.2%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 -------------------------------------------------------------------