Profiling results ----------------- Total cpu time observed: 32822ms (out of 33612ms) Number of samples taken: 85 (once every 386ms) ==================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ==================================================================== ??? [27] 100.0% [1] 31152(94.9%) 0(0.0%) profile-thunk16 ...t/pkgs/profile-lib/main.rkt:9:0 run [6] 100.0% -------------------------------------------------------------------- ??? [27] 100.0% [2] 13126(40.0%) 0(0.0%) run-improve50 ...iv-1-tests/src/mainloop.rkt:234:0 for-loop [7] 74.0% get-final-combination [9] 16.1% setup-alt-simplified [10] 5.2% loop [33] 4.7% -------------------------------------------------------------------- ??? [59] 100.0% [3] 10028(30.6%) 0(0.0%) iterate-egraph!13 ...s/src/core/simplify.rkt:102:0 one-iter [8] 96.7% map-enodes [11] 3.3% -------------------------------------------------------------------- copying-mergesort [82] 100.0% [4] 1422(4.3%) 0(0.0%) jloop ...t/collects/racket/private/sort.rkt:121:23 ??? [88] 100.0% -------------------------------------------------------------------- copying-mergesort [82] 100.0% [5] 360(1.1%) 0(0.0%) loop ...ket/collects/racket/private/sort.rkt:97:12 ??? [88] 100.0% -------------------------------------------------------------------- profile-thunk16 [1] 100.0% [6] 31152(94.9%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:39:2 ??? [27] 100.0% -------------------------------------------------------------------- run-improve50 [2] 100.0% [7] 9714(29.6%) 0(0.0%) for-loop ...ub-div-1-tests/src/mainloop.rkt:249:10 run-iter! [12] 100.0% -------------------------------------------------------------------- iterate-egraph!13 [3] 100.0% [8] 9702(29.6%) 360(1.1%) one-iter ...iv-1-tests/src/core/simplify.rkt:113:0 loop [13] 55.1% for-loop [14] 27.3% apply-match [18] 13.9% -------------------------------------------------------------------- run-improve50 [2] 100.0% [9] 2108(6.4%) 0(0.0%) get-final-combination ...ts/src/mainloop.rkt:264:0 split-table [15] 100.0% -------------------------------------------------------------------- run-improve50 [2] 100.0% [10] 686(2.1%) 0(0.0%) setup-alt-simplified ...-1-tests/src/glue.rkt:49:0 simplify-alt [16] 100.0% -------------------------------------------------------------------- iterate-egraph!13 [3] 100.0% [11] 326(1.0%) 0(0.0%) map-enodes ...iv-1-tests/src/core/egraph.rkt:139:0 loop [50] 100.0% -------------------------------------------------------------------- for-loop [7] 100.0% [12] 9714(29.6%) 0(0.0%) run-iter! ...ub-div-1-tests/src/mainloop.rkt:215:0 simplify! [17] 82.3% finalize-iter! [20] 10.9% choose-best-alt! [21] 3.7% gen-series! [22] 3.1% -------------------------------------------------------------------- one-iter [8] 100.0% [13] 5346(16.3%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:52:19 apply-match [18] 100.0% -------------------------------------------------------------------- for-loop [14] 50.0% one-iter [8] 50.0% [14] 2644(8.1%) 1314(4.0%) for-loop ...v-1-tests/src/core/simplify.rkt:123:12 for-loop [14] 50.0% match-e [25] 25.2% -------------------------------------------------------------------- get-final-combination [9] 100.0% [15] 2108(6.4%) 0(0.0%) split-table ...-sub-div-1-tests/src/glue.rkt:162:0 f137 [19] 100.0% -------------------------------------------------------------------- setup-alt-simplified [10] 100.0% [16] 686(2.1%) 0(0.0%) simplify-alt ...-sub-div-1-tests/src/glue.rkt:76:0 ??? [59] 100.0% -------------------------------------------------------------------- run-iter! [12] 100.0% [17] 7998(24.4%) 0(0.0%) simplify! ...ub-div-1-tests/src/mainloop.rkt:155:0 for-loop [23] 100.0% -------------------------------------------------------------------- one-iter [8] 20.2% loop [13] 79.8% [18] 6698(20.4%) 0(0.0%) apply-match ...1-tests/src/core/simplify.rkt:130:2 for-loop [24] 90.1% match-e [25] 9.9% -------------------------------------------------------------------- eval-prog [86] 3.4% f137 [19] 10.3% split-table [15] 86.3% [19] 2442(7.4%) 0(0.0%) f137 .../collects/racket/match/compiler.rkt:507:40 loop [50] 59.6% option-on-expr [54] 26.7% f137 [19] 10.3% ??? [52] 3.4% -------------------------------------------------------------------- run-iter! [12] 100.0% [20] 1056(3.2%) 0(0.0%) finalize-iter! ...v-1-tests/src/mainloop.rkt:169:0 ??? [51] 100.0% -------------------------------------------------------------------- run-iter! [12] 100.0% [21] 360(1.1%) 0(0.0%) choose-best-alt! ...1-tests/src/mainloop.rkt:115:0 ??? [51] 100.0% -------------------------------------------------------------------- run-iter! [12] 100.0% [22] 300(0.9%) 0(0.0%) gen-series! ...-div-1-tests/src/mainloop.rkt:129:0 for-loop [26] 100.0% -------------------------------------------------------------------- simplify! [17] 100.0% [23] 7998(24.4%) 0(0.0%) for-loop ...sub-div-1-tests/src/mainloop.rkt:159:6 ??? [27] 100.0% -------------------------------------------------------------------- apply-match [18] 100.0% [24] 6032(18.4%) 0(0.0%) for-loop ...v-1-tests/src/core/simplify.rkt:145:10 loop! [53] 34.3% mk-enode! [34] 28.3% merge-egraph-nodes! [29] 21.4% substitute-e [30] 16.0% -------------------------------------------------------------------- for-loop [35] 16.2% apply-match [18] 25.0% for-loop [14] 58.8% [25] 1996(6.1%) 0(0.0%) match-e ...ub-div-1-tests/src/core/ematch.rkt:46:0 for-loop [28] 49.6% for-loop [35] 25.7% ??? [51] 16.8% variable? [31] 7.9% -------------------------------------------------------------------- gen-series! [22] 100.0% [26] 300(0.9%) 0(0.0%) for-loop ...sub-div-1-tests/src/mainloop.rkt:135:7 taylor-alt [32] 100.0% -------------------------------------------------------------------- for-loop [23] 8.1% run [6] 43.4% [27] 32822(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [1] 43.4% loop [33] 28.0% run-improve50 [2] 16.4% ??? [59] 12.2% -------------------------------------------------------------------- match-e [25] 100.0% [28] 1314(4.0%) 1000(3.0%) for-loop ...-div-1-tests/src/core/ematch.rkt:59:11 for-loop [35] 23.9% -------------------------------------------------------------------- for-loop [36] 13.3% for-loop [24] 86.7% [29] 1288(3.9%) 314(1.0%) merge-egraph-nodes! ...s/src/core/egraph.rkt:152:0 for-loop [36] 36.6% loop! [53] 25.8% update-leader! [37] 13.3% -------------------------------------------------------------------- for-loop [24] 100.0% [30] 968(2.9%) 0(0.0%) substitute-e ...v-1-tests/src/core/ematch.rkt:71:0 mk-enode! [34] 100.0% -------------------------------------------------------------------- match-e [25] 100.0% [31] 314(1.0%) 0(0.0%) variable? ...v-1-tests/src/syntax/syntax.rkt:660:0 ??? [51] 100.0% -------------------------------------------------------------------- for-loop [26] 100.0% [32] 300(0.9%) 0(0.0%) taylor-alt ...y-sub-div-1-tests/src/glue.rkt:134:0 for-loop [38] 100.0% -------------------------------------------------------------------- run-improve50 [2] 3.3% ??? [27] 96.7% [33] 18970(57.8%) 0(0.0%) loop ...plify-sub-div-1-tests/src/points.rkt:193:2 make-exacts* [43] 55.0% loop [39] 37.5% for-loop [41] 5.9% loop [44] 1.5% -------------------------------------------------------------------- substitute-e [30] 36.2% for-loop [24] 63.8% [34] 2674(8.1%) 668(2.0%) mk-enode! ...div-1-tests/src/core/egraph.rkt:101:0 new-enode [40] 75.0% -------------------------------------------------------------------- for-loop [28] 31.6% match-e [25] 68.4% [35] 994(3.0%) 346(1.1%) for-loop ...-div-1-tests/src/core/ematch.rkt:65:37 match-e [25] 65.2% -------------------------------------------------------------------- merge-egraph-nodes! [29] 100.0% [36] 642(2.0%) 0(0.0%) for-loop ...div-1-tests/src/core/egraph.rkt:200:10 merge-egraph-nodes! [29] 53.3% loop! [53] 46.7% -------------------------------------------------------------------- merge-egraph-nodes! [29] 100.0% [37] 342(1.0%) 0(0.0%) update-leader! ...-tests/src/core/egraph.rkt:217:0 for-loop [42] 100.0% -------------------------------------------------------------------- taylor-alt [32] 100.0% [38] 300(0.9%) 0(0.0%) for-loop ...ify-sub-div-1-tests/src/glue.rkt:139:6 ??? [52] 100.0% -------------------------------------------------------------------- loop [33] 100.0% [39] 7122(21.7%) 0(0.0%) loop ...plify-sub-div-1-tests/src/points.rkt:151:2 loop [44] 54.2% make-exacts* [43] 37.0% eval-prog [86] 8.8% -------------------------------------------------------------------- mk-enode! [34] 100.0% [40] 2006(6.1%) 0(0.0%) new-enode ...b-div-1-tests/src/core/enode.rkt:97:0 type-of-enode-expr [45] 100.0% -------------------------------------------------------------------- loop [33] 100.0% [41] 1114(3.4%) 0(0.0%) for-loop ...-sub-div-1-tests/src/points.rkt:200:24 for-loop [46] 100.0% -------------------------------------------------------------------- update-leader! [37] 100.0% [42] 342(1.0%) 0(0.0%) for-loop ...-div-1-tests/src/core/egraph.rkt:222:6 for-loop [47] 100.0% -------------------------------------------------------------------- loop [39] 20.1% loop [33] 79.9% [43] 13074(39.8%) 0(0.0%) make-exacts* ...b-div-1-tests/src/points.rkt:138:0 loop [50] 56.7% map [48] 37.2% eval-prog [86] 6.2% -------------------------------------------------------------------- loop [33] 7.0% loop [39] 93.0% [44] 4152(12.7%) 0(0.0%) loop ...plify-sub-div-1-tests/src/points.rkt:141:4 map [48] 91.3% loop [50] 8.7% -------------------------------------------------------------------- new-enode [40] 100.0% [45] 2006(6.1%) 0(0.0%) type-of-enode-expr ...ests/src/core/enode.rkt:68:0 get-sigs [49] 100.0% -------------------------------------------------------------------- for-loop [41] 100.0% [46] 1114(3.4%) 0(0.0%) for-loop ...-sub-div-1-tests/src/points.rkt:201:26 ??? [52] 100.0% -------------------------------------------------------------------- for-loop [42] 100.0% [47] 342(1.0%) 342(1.0%) for-loop ...-div-1-tests/src/core/egraph.rkt:223:8 -------------------------------------------------------------------- loop [44] 43.8% make-exacts* [43] 56.2% [48] 8648(26.3%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:20:13 loop [50] 95.9% ??? [88] 4.1% -------------------------------------------------------------------- type-of-enode-expr [45] 100.0% [49] 2006(6.1%) 0(0.0%) get-sigs ...sub-div-1-tests/src/type-check.rkt:5:0 ??? [59] 83.6% ??? [51] 16.4% -------------------------------------------------------------------- loop [44] 0.0% map-enodes [11] 0.4% make-exacts* [43] 1.2% map [48] 2.0% ??? [93] 3.2% loop! [53] 5.2% f137 [19] 7.0% loop [50] 81.0% [50] 20884(63.6%) 300(0.9%) loop ...cket/collects/racket/private/map.rkt:25:19 loop [50] 81.0% option-on-expr [54] 7.0% loop! [53] 5.0% hash-ref! [89] 3.2% ??? [88] 3.0% for-loop [58] 0.4% ??? [52] 0.2% -------------------------------------------------------------------- variable? [31] 13.1% get-sigs [49] 13.7% match-e [25] 14.0% choose-best-alt! [21] 15.0% finalize-iter! [20] 44.1% [51] 2394(7.3%) 314(1.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [55] 44.1% hash-has-key? [56] 27.7% ??? [57] 15.0% -------------------------------------------------------------------- ??? [59] 2.8% for-loop [38] 2.8% f137 [19] 6.2% ??? [57] 6.7% for-loop [46] 20.7% ??? [88] 25.6% loop [50] 35.3% [52] 5392(16.4%) 1078(3.3%) ??? ...tract/private/arrow-higher-order.rkt:342:33 ??? [59] 70.5% best-alt [63] 6.7% approximate9 [67] 2.8% -------------------------------------------------------------------- for-loop [36] 5.6% merge-egraph-nodes! [29] 12.3% loop [50] 38.3% for-loop [24] 43.9% [53] 2702(8.2%) 664(2.0%) loop! ...-sub-div-1-tests/src/core/enode.rkt:192:2 loop [50] 49.4% set [62] 19.4% custom-set-union [65] 12.3% update-en-expr [64] 6.6% -------------------------------------------------------------------- f137 [19] 30.9% loop [50] 69.1% [54] 2108(6.4%) 0(0.0%) option-on-expr ...tests/src/core/regimes.rkt:103:0 sort-context-on-expr [60] 84.5% errors [83] 15.5% -------------------------------------------------------------------- ??? [51] 100.0% [55] 1056(3.2%) 0(0.0%) for-loop ...iv-1-tests/src/core/alt-table.rkt:51:2 atab-add-altn [61] 100.0% -------------------------------------------------------------------- ??? [51] 100.0% [56] 664(2.0%) 0(0.0%) hash-has-key? ...et/private/more-scheme.rkt:368:13 ??? [69] 100.0% -------------------------------------------------------------------- ??? [51] 100.0% [57] 360(1.1%) 0(0.0%) ??? ...sub-div-1-tests/src/core/alt-table.rkt:54:0 ??? [52] 100.0% -------------------------------------------------------------------- loop [50] 100.0% [58] 326(1.0%) 0(0.0%) for-loop ...iv-1-tests/src/core/simplify.rkt:173:2 compose [66] 100.0% -------------------------------------------------------------------- simplify-alt [16] 2.5% get-sigs [49] 4.0% ??? [59] 11.6% for-loop [68] 22.3% ??? [52] 28.3% ??? [27] 31.4% [59] 13982(42.6%) 2370(7.2%) ??? ...llects/racket/private/norm-define.rkt:53:83 iterate-egraph!13 [3] 33.9% for-loop [68] 22.3% ??? [59] 11.6% ??? [71] 8.3% ??? [73] 3.3% ??? [69] 3.2% ??? [52] 2.1% -------------------------------------------------------------------- option-on-expr [54] 100.0% [60] 1782(5.4%) 0(0.0%) sort-context-on-expr ...tests/src/points.rkt:115:0 ??? [70] 100.0% -------------------------------------------------------------------- for-loop [55] 100.0% [61] 1056(3.2%) 0(0.0%) atab-add-altn ...ests/src/core/alt-table.rkt:208:0 best-and-tied-at-points [72]100.0% -------------------------------------------------------------------- loop! [53] 100.0% [62] 1048(3.2%) 1048(3.2%) set ...collects/racket/private/set-types.rkt:981:0 -------------------------------------------------------------------- ??? [52] 100.0% [63] 360(1.1%) 0(0.0%) best-alt ...lify-sub-div-1-tests/src/glue.rkt:71:0 argmins [74] 100.0% -------------------------------------------------------------------- loop! [53] 100.0% [64] 358(1.1%) 358(1.1%) update-en-expr ...-tests/src/core/egraph.rkt:211:0 -------------------------------------------------------------------- loop! [53] 100.0% [65] 332(1.0%) 0(0.0%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [75] 100.0% -------------------------------------------------------------------- for-loop [58] 100.0% [66] 326(1.0%) 326(1.0%) compose ...collects/racket/private/list.rkt:385:12 -------------------------------------------------------------------- ??? [52] 100.0% [67] 300(0.9%) 0(0.0%) approximate9 ...v-1-tests/src/core/taylor.rkt:12:0 taylor [76] 100.0% -------------------------------------------------------------------- ??? [59] 100.0% [68] 6670(20.3%) 0(0.0%) for-loop ...iv-1-tests/src/core/simplify.rkt:63:12 ??? [59] 100.0% -------------------------------------------------------------------- hash-has-key? [56] 33.1% ??? [59] 66.9% [69] 2008(6.1%) 964(2.9%) ??? ...ects/racket/contract/private/list.rkt:737:4 for-loop [79] 52.0% -------------------------------------------------------------------- sort-context-on-expr [60] 100.0% [70] 1782(5.4%) 0(0.0%) ??? ...cket/collects/racket/private/sort.rkt:403:3 generic-sort/key [77] 100.0% -------------------------------------------------------------------- ??? [59] 100.0% [71] 1156(3.5%) 0(0.0%) ??? ...racket/collects/racket/private/kw.rkt:761:9 ??? [78] 100.0% -------------------------------------------------------------------- atab-add-altn [61] 100.0% [72] 1056(3.2%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [83] 100.0% -------------------------------------------------------------------- ??? [59] 100.0% [73] 462(1.4%) 0(0.0%) ??? ...-racket/utils/simple-result-arrow.rkt:60:15 ??? [103] 100.0% -------------------------------------------------------------------- best-alt [63] 100.0% [74] 360(1.1%) 0(0.0%) argmins ...fy-sub-div-1-tests/src/common.rkt:150:0 composed [80] 100.0% -------------------------------------------------------------------- custom-set-union [65] 100.0% [75] 332(1.0%) 332(1.0%) for-loop ...cts/racket/private/set-types.rkt:174:3 -------------------------------------------------------------------- approximate9 [67] 100.0% [76] 300(0.9%) 0(0.0%) taylor ...ub-div-1-tests/src/core/taylor.rkt:163:0 debug7 [81] 100.0% -------------------------------------------------------------------- ??? [70] 100.0% [77] 1782(5.4%) 0(0.0%) generic-sort/key .../racket/private/sort.rkt:185:2 copying-mergesort [82] 100.0% -------------------------------------------------------------------- ??? [71] 100.0% [78] 1156(3.5%) 1156(3.5%) ??? ...s/racket/contract/private/arr-i.rkt:1233:27 -------------------------------------------------------------------- ??? [69] 100.0% [79] 1044(3.2%) 328(1.0%) for-loop ...acket/contract/private/list.rkt:743:12 ??? [84] 36.6% for-loop [85] 32.0% -------------------------------------------------------------------- argmins [74] 100.0% [80] 360(1.1%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [83] 100.0% -------------------------------------------------------------------- taylor [76] 100.0% [81] 300(0.9%) 300(0.9%) debug7 ...lify-sub-div-1-tests/src/debug.rkt:102:0 -------------------------------------------------------------------- generic-sort/key [77] 26.7% copying-mergesort [82] 73.3% [82] 1782(5.4%) 0(0.0%) copying-mergesort ...racket/private/sort.rkt:130:8 copying-mergesort [82] 73.3% jloop [4] 19.9% loop [5] 6.7% -------------------------------------------------------------------- option-on-expr [54] 18.7% composed [80] 20.7% best-and-tied-at-points [72] 60.6% [83] 1742(5.3%) 0(0.0%) errors ...ify-sub-div-1-tests/src/points.rkt:218:0 for-loop [87] 80.8% eval-prog [86] 19.2% -------------------------------------------------------------------- for-loop [79] 100.0% [84] 382(1.2%) 382(1.2%) ??? ...private/unconstrained-domain-arrow.rkt:74:4 -------------------------------------------------------------------- for-loop [79] 100.0% [85] 334(1.0%) 334(1.0%) for-loop ...racket/contract/private/hash.rkt:239:6 -------------------------------------------------------------------- errors [83] 18.9% loop [39] 35.6% make-exacts* [43] 45.5% [86] 1770(5.4%) 326(1.0%) eval-prog ...ub-div-1-tests/src/programs.rkt:148:0 hash-ref! [89] 62.7% f137 [19] 18.9% -------------------------------------------------------------------- errors [83] 100.0% [87] 1408(4.3%) 0(0.0%) for-loop ...y-sub-div-1-tests/src/points.rkt:221:4 ??? [88] 100.0% -------------------------------------------------------------------- map [48] 2.0% loop [5] 2.0% for-loop [87] 8.0% jloop [4] 8.0% loop [50] 80.0% [88] 17706(53.9%) 1630(5.0%) ??? ...lify-sub-div-1-tests/src/programs.rkt:154:4 ??? [90] 43.9% ??? [91] 39.1% ??? [52] 7.8% -------------------------------------------------------------------- loop [50] 42.7% eval-prog [86] 57.3% [89] 1110(3.4%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 bigfloat-hash [92] 57.3% ??? [93] 42.7% -------------------------------------------------------------------- ??? [88] 100.0% [90] 7776(23.7%) 3320(10.1%) ??? ...acket/collects/racket/private/kw.rkt:444:14 ??? [99] 29.6% bf* [95] 22.2% ??? [98] 5.6% -------------------------------------------------------------------- ??? [88] 100.0% [91] 6920(21.1%) 0(0.0%) ??? ...contract/private/../../private/kw.rkt:761:9 real->bigfloat [94] 100.0% -------------------------------------------------------------------- hash-ref! [89] 100.0% [92] 1110(3.4%) 0(0.0%) bigfloat-hash ...h/private/bigfloat/mpfr.rkt:165:0 bfcanonicalize [96] 60.0% sig+exp->bigfloat [97] 40.0% -------------------------------------------------------------------- hash-ref! [89] 100.0% [93] 666(2.0%) 0(0.0%) ??? ...lify-sub-div-1-tests/src/programs.rkt:183:5 loop [50] 100.0% -------------------------------------------------------------------- ??? [91] 100.0% [94] 6920(21.1%) 5796(17.7%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [103] 16.2% -------------------------------------------------------------------- ??? [90] 100.0% [95] 1726(5.3%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [99] 100.0% -------------------------------------------------------------------- bigfloat-hash [92] 100.0% [96] 666(2.0%) 304(0.9%) bfcanonicalize .../private/bigfloat/mpfr.rkt:155:0 bigfloat->sig+exp [100] 54.4% -------------------------------------------------------------------- bigfloat-hash [92] 100.0% [97] 444(1.4%) 444(1.4%) sig+exp->bigfloat ...ivate/bigfloat/mpfr.rkt:385:0 -------------------------------------------------------------------- ??? [90] 100.0% [98] 432(1.3%) 432(1.3%) ??? ...rivate/unconstrained-domain-arrow.rkt:40:13 -------------------------------------------------------------------- bf* [95] 42.9% ??? [90] 57.1% [99] 4024(12.3%) 680(2.1%) ??? ...-racket/utils/simple-result-arrow.rkt:39:12 bfadd [101] 83.1% -------------------------------------------------------------------- bfcanonicalize [96] 100.0% [100] 362(1.1%) 0(0.0%) bigfloat->sig+exp ...ivate/bigfloat/mpfr.rkt:370:0 size+limbs->integer [102] 100.0% -------------------------------------------------------------------- ??? [99] 100.0% [101] 3344(10.2%) 2152(6.6%) bfadd ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [103] 35.6% -------------------------------------------------------------------- bigfloat->sig+exp [100] 100.0% [102] 362(1.1%) 362(1.1%) size+limbs->integer ...vate/bigfloat/gmp.rkt:103:0 -------------------------------------------------------------------- ??? [73] 16.6% real->bigfloat [94] 40.5% bfadd [101] 42.9% [103] 2778(8.5%) 2778(8.5%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 --------------------------------------------------------------------