Profiling results ----------------- Total cpu time observed: 7720ms (out of 7812ms) Number of samples taken: 38 (once every 203ms) ===================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ===================================================================== [1] 7720(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [7] 100.0% --------------------------------------------------------------------- hash-ref! [100] 100.0% [2] 222(2.9%) 0(0.0%) ??? ...gmath-testversion/src/core/taylor.rkt:68:15 ??? [91] 100.0% --------------------------------------------------------------------- ??? [91] 100.0% [3] 222(2.9%) 0(0.0%) approximate9 ...stversion/src/core/taylor.rkt:12:0 loop [8] 100.0% --------------------------------------------------------------------- hash-ref! [100] 100.0% [4] 222(2.9%) 0(0.0%) simplify ...h-testversion/src/core/reduce.rkt:16:0 f46 [9] 100.0% --------------------------------------------------------------------- loop [83] 100.0% [5] 222(2.9%) 0(0.0%) expand-capturing-lifts (unknown source) dispatch-transformer41 [10] 100.0% --------------------------------------------------------------------- matcher [63] 100.0% [6] 208(2.7%) 0(0.0%) ??? ...ath-testversion/src/core/matcher.rkt:130:11 for-loop [11] 100.0% --------------------------------------------------------------------- ??? [1] 100.0% [7] 7720(100.0%) 0(0.0%) profile-thunk16 ...e/pkgs/profile-lib/main.rkt:9:0 run [12] 100.0% --------------------------------------------------------------------- approximate9 [3] 100.0% [8] 222(2.9%) 0(0.0%) loop ...gmath-testversion/src/core/taylor.rkt:87:4 hash-ref! [100] 100.0% --------------------------------------------------------------------- simplify [4] 100.0% [9] 222(2.9%) 0(0.0%) f46 (unknown source) map [13] 100.0% --------------------------------------------------------------------- expand-capturing-lifts [5] 100.0% [10] 222(2.9%) 0(0.0%) dispatch-transformer41 (unknown source) apply-transformer52 [14] 100.0% --------------------------------------------------------------------- ??? [6] 100.0% [11] 208(2.7%) 0(0.0%) for-loop ...estversion/src/core/matcher.rkt:132:15 matcher [63] 100.0% --------------------------------------------------------------------- profile-thunk16 [7] 100.0% [12] 7720(100.0%) 0(0.0%) run ...et-7.5/share/pkgs/profile-lib/main.rkt:39:2 .../more-scheme.rkt:261:28 [15]100.0% --------------------------------------------------------------------- f46 [9] 100.0% [13] 222(2.9%) 0(0.0%) map ...t-7.5/collects/racket/private/map.rkt:35:13 parse-loop80 [16] 100.0% --------------------------------------------------------------------- dispatch-transformer41 [10] 100.0% [14] 222(2.9%) 0(0.0%) apply-transformer52 (unknown source) apply-post-expansion [17] 100.0% --------------------------------------------------------------------- for-loop [61] 3.9% run [12] 96.1% [15] 7720(100.0%) 200(2.6%) .../more-scheme.rkt:261:28 (unknown source) run-improve47 [18] 68.1% prepare-points-intervals [19] 23.9% oracle-error [22] 2.7% errors [53] 1.3% ulp-difference [23] 1.3% ??? [86] 1.3% --------------------------------------------------------------------- map [13] 100.0% [16] 222(2.9%) 0(0.0%) parse-loop80 (unknown source) eval-const-expr [21] 100.0% --------------------------------------------------------------------- apply-transformer52 [14] 100.0% [17] 222(2.9%) 0(0.0%) apply-post-expansion (unknown source) gf [20] 100.0% --------------------------------------------------------------------- .../more-scheme.rkt:261:28 [15]100.0% [18] 5460(70.7%) 0(0.0%) run-improve47 ...estversion/src/mainloop.rkt:346:0 for-loop [24] 100.0% --------------------------------------------------------------------- .../more-scheme.rkt:261:28 [15]100.0% [19] 1846(23.9%) 0(0.0%) prepare-points-intervals ...n/src/points.rkt:110:0 loop [25] 100.0% --------------------------------------------------------------------- apply-post-expansion [17] 25.0% loop [83] 75.0% [20] 222(2.9%) 0(0.0%) gf (unknown source) loop [83] 100.0% --------------------------------------------------------------------- parse-loop80 [16] 100.0% [21] 222(2.9%) 0(0.0%) eval-const-expr ...tversion/src/programs.rkt:118:0 loop [83] 100.0% --------------------------------------------------------------------- .../more-scheme.rkt:261:28 [15]100.0% [22] 208(2.7%) 0(0.0%) oracle-error ...h-testversion/src/points.rkt:188:0 for-loop [26] 100.0% --------------------------------------------------------------------- .../more-scheme.rkt:261:28 [15]100.0% [23] 206(2.7%) 206(2.7%) ulp-difference ...h-testversion/src/float.rkt:20:0 --------------------------------------------------------------------- run-improve47 [18] 100.0% [24] 5460(70.7%) 0(0.0%) for-loop ...ath-testversion/src/mainloop.rkt:365:4 run-iter! [27] 100.0% --------------------------------------------------------------------- prepare-points-intervals [19] 100.0% [25] 1846(23.9%) 0(0.0%) loop ...e/eggmath-testversion/src/points.rkt:123:4 loop [28] 78.3% ??? [29] 21.7% --------------------------------------------------------------------- oracle-error [22] 100.0% [26] 208(2.7%) 0(0.0%) for-loop ...gmath-testversion/src/points.rkt:189:2 loop [83] 100.0% --------------------------------------------------------------------- for-loop [24] 100.0% [27] 5460(70.7%) 0(0.0%) run-iter! ...th-testversion/src/mainloop.rkt:327:0 simplify! [30] 81.1% finalize-iter! [31] 11.0% gen-series! [32] 4.1% gen-rewrites! [33] 3.8% --------------------------------------------------------------------- loop [25] 100.0% [28] 1446(18.7%) 0(0.0%) loop ...ie/eggmath-testversion/src/points.rkt:81:2 ??? [86] 100.0% --------------------------------------------------------------------- loop [25] 100.0% [29] 400(5.2%) 200(2.6%) ??? ...ie/eggmath-testversion/src/points.rkt:106:2 ??? [91] 50.0% --------------------------------------------------------------------- run-iter! [27] 100.0% [30] 4430(57.4%) 0(0.0%) simplify! ...th-testversion/src/mainloop.rkt:224:0 ??? [34] 100.0% --------------------------------------------------------------------- run-iter! [27] 100.0% [31] 600(7.8%) 0(0.0%) finalize-iter! ...stversion/src/mainloop.rkt:278:0 ??? [35] 100.0% --------------------------------------------------------------------- run-iter! [27] 100.0% [32] 222(2.9%) 0(0.0%) gen-series! ...-testversion/src/mainloop.rkt:160:0 for-loop [36] 100.0% --------------------------------------------------------------------- run-iter! [27] 100.0% [33] 208(2.7%) 0(0.0%) gen-rewrites! ...estversion/src/mainloop.rkt:183:0 for-loop [37] 100.0% --------------------------------------------------------------------- simplify! [30] 100.0% [34] 4430(57.4%) 0(0.0%) ??? ...-testversion/src/core/herbie-egraph.rkt:9:0 for-loop [38] 95.4% loop [42] 4.6% --------------------------------------------------------------------- finalize-iter! [31] 100.0% [35] 600(7.8%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:486:18 for-loop [39] 100.0% --------------------------------------------------------------------- gen-series! [32] 100.0% [36] 222(2.9%) 0(0.0%) for-loop ...ath-testversion/src/mainloop.rkt:167:7 taylor-alt [40] 100.0% --------------------------------------------------------------------- gen-rewrites! [33] 100.0% [37] 208(2.7%) 0(0.0%) for-loop ...th-testversion/src/mainloop.rkt:191:11 rewrite-expression-head20 [41] 100.0% --------------------------------------------------------------------- ??? [34] 100.0% [38] 4226(54.7%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:29:2 ??? [43] 90.5% precompute-phase [49] 4.7% for-loop [50] 4.7% --------------------------------------------------------------------- ??? [35] 100.0% [39] 600(7.8%) 0(0.0%) for-loop ...estversion/src/core/alt-table.rkt:55:2 atab-add-altn [44] 66.7% loop [48] 33.3% --------------------------------------------------------------------- for-loop [36] 100.0% [40] 222(2.9%) 0(0.0%) taylor-alt ...h-testversion/src/mainloop.rkt:146:0 for-loop [45] 100.0% --------------------------------------------------------------------- for-loop [37] 100.0% [41] 208(2.7%) 0(0.0%) rewrite-expression-head20 ...core/matcher.rkt:87:0 rewriter [46] 100.0% --------------------------------------------------------------------- ??? [34] 100.0% [42] 204(2.6%) 0(0.0%) loop ...h-testversion/src/core/extraction.rkt:25:2 for-loop [47] 100.0% --------------------------------------------------------------------- for-loop [38] 100.0% [43] 3826(49.6%) 0(0.0%) ??? ...testversion/src/core/herbie-egraph.rkt:70:0 for-loop [51] 62.7% find-matches [52] 37.3% --------------------------------------------------------------------- for-loop [39] 100.0% [44] 400(5.2%) 0(0.0%) atab-add-altn ...sion/src/core/alt-table.rkt:203:0 errors [53] 100.0% --------------------------------------------------------------------- taylor-alt [40] 100.0% [45] 222(2.9%) 0(0.0%) for-loop ...ath-testversion/src/mainloop.rkt:152:6 ??? [91] 100.0% --------------------------------------------------------------------- matcher [63] 50.0% rewrite-expression-head20 [41] 50.0% [46] 208(2.7%) 0(0.0%) rewriter ...-testversion/src/core/matcher.rkt:90:2 for-loop [55] 50.0% *rules* [54] 50.0% --------------------------------------------------------------------- loop [42] 100.0% [47] 204(2.6%) 0(0.0%) for-loop ...stversion/src/core/extraction.rkt:29:4 for-loop [56] 100.0% --------------------------------------------------------------------- for-loop [39] 100.0% [48] 200(2.6%) 200(2.6%) loop ...h-testversion/src/core/alt-table.rkt:177:2 --------------------------------------------------------------------- for-loop [38] 100.0% [49] 200(2.6%) 0(0.0%) precompute-phase ...rc/core/herbie-egraph.rkt:79:0 for-loop [57] 100.0% --------------------------------------------------------------------- for-loop [38] 100.0% [50] 200(2.6%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:37:4 prune-phase [58] 100.0% --------------------------------------------------------------------- ??? [43] 100.0% [51] 2398(31.1%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:71:2 for-loop [59] 100.0% --------------------------------------------------------------------- ??? [43] 100.0% [52] 1428(18.5%) 0(0.0%) find-matches ...on/src/core/herbie-egraph.rkt:62:0 for-loop [60] 100.0% --------------------------------------------------------------------- .../more-scheme.rkt:261:28 [15] 34.0% atab-add-altn [44] 66.0% [53] 606(7.8%) 0(0.0%) errors ...eggmath-testversion/src/points.rkt:201:0 for-loop [61] 100.0% --------------------------------------------------------------------- rewriter [46] 100.0% [54] 208(2.7%) 0(0.0%) *rules* ...-testversion/src/syntax/rules.rkt:669:0 for-loop [62] 100.0% --------------------------------------------------------------------- rewriter [46] 100.0% [55] 208(2.7%) 0(0.0%) for-loop ...-testversion/src/core/matcher.rkt:92:4 matcher [63] 100.0% --------------------------------------------------------------------- for-loop [47] 100.0% [56] 204(2.6%) 204(2.6%) for-loop ...tversion/src/core/extraction.rkt:37:16 --------------------------------------------------------------------- precompute-phase [49] 100.0% [57] 200(2.6%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:80:2 set-precompute! [64] 100.0% --------------------------------------------------------------------- for-loop [50] 100.0% [58] 200(2.6%) 0(0.0%) prune-phase ...ion/src/core/herbie-egraph.rkt:84:0 for-loop [65] 100.0% --------------------------------------------------------------------- for-loop [51] 100.0% [59] 2398(31.1%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:74:4 merge-egraph-nodes! [66] 66.6% pattern-substitute [68] 16.6% mk-enode-rec! [89] 8.4% dedup-children! [77] 8.3% --------------------------------------------------------------------- for-loop [60] 50.0% find-matches [52] 50.0% [60] 1428(18.5%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:64:8 for-loop [60] 50.0% match-e [67] 50.0% --------------------------------------------------------------------- errors [53] 100.0% [61] 606(7.8%) 0(0.0%) for-loop ...gmath-testversion/src/points.rkt:203:2 .../more-scheme.rkt:261:28 [15]100.0% --------------------------------------------------------------------- *rules* [54] 100.0% [62] 208(2.7%) 0(0.0%) for-loop (unknown source) do-curry [69] 100.0% --------------------------------------------------------------------- for-loop [11] 50.0% for-loop [55] 50.0% [63] 208(2.7%) 0(0.0%) matcher ...-testversion/src/core/matcher.rkt:118:2 ??? [6] 50.0% rewriter [46] 50.0% --------------------------------------------------------------------- for-loop [57] 100.0% [64] 200(2.6%) 0(0.0%) set-precompute! ...src/core/herbie-egraph.rkt:88:0 for-loop [70] 100.0% --------------------------------------------------------------------- prune-phase [58] 100.0% [65] 200(2.6%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:85:2 update-leader! [72] 100.0% --------------------------------------------------------------------- for-loop [73] 7.3% merge-egraph-nodes! [66] 16.6% for-loop [59] 76.2% [66] 1598(20.7%) 0(0.0%) merge-egraph-nodes! ...n/src/core/egraph.rkt:145:0 loop! [87] 42.0% update-leader! [72] 24.9% merge-egraph-nodes! [66] 16.6% for-loop [73] 10.4% dedup-children! [77] 6.2% --------------------------------------------------------------------- for-loop [75] 35.2% for-loop [60] 64.8% [67] 1428(18.5%) 200(2.6%) match-e ...th-testversion/src/core/ematch.rkt:39:0 for-loop [71] 71.8% constant? [79] 21.2% --------------------------------------------------------------------- pattern-substitute [68] 50.0% for-loop [59] 50.0% [68] 398(5.2%) 398(5.2%) pattern-substitute ...on/src/core/matcher.rkt:46:0 pattern-substitute [68] 50.0% --------------------------------------------------------------------- for-loop [62] 100.0% [69] 208(2.7%) 208(2.7%) do-curry ...-7.5/collects/racket/function.rkt:71:2 --------------------------------------------------------------------- set-precompute! [64] 100.0% [70] 200(2.6%) 0(0.0%) for-loop ...ersion/src/core/herbie-egraph.rkt:90:2 setfindf [74] 100.0% --------------------------------------------------------------------- match-e [67] 100.0% [71] 1228(15.9%) 822(10.6%) for-loop ...-testversion/src/core/ematch.rkt:52:11 for-loop [75] 57.5% --------------------------------------------------------------------- for-loop [65] 33.4% merge-egraph-nodes! [66] 66.6% [72] 598(7.7%) 0(0.0%) update-leader! ...ersion/src/core/egraph.rkt:213:0 for-loop [76] 100.0% --------------------------------------------------------------------- merge-egraph-nodes! [66] 100.0% [73] 398(5.2%) 0(0.0%) for-loop ...-testversion/src/core/egraph.rkt:199:4 merge-egraph-nodes! [66] 75.1% dedup-children! [77] 24.9% --------------------------------------------------------------------- for-loop [70] 100.0% [74] 200(2.6%) 0(0.0%) setfindf ...gmath-testversion/src/common.rkt:130:0 for-loop [78] 100.0% --------------------------------------------------------------------- for-loop [71] 100.0% [75] 1006(13.0%) 0(0.0%) for-loop ...-testversion/src/core/ematch.rkt:58:37 match-e [67] 100.0% --------------------------------------------------------------------- update-leader! [72] 100.0% [76] 598(7.7%) 0(0.0%) for-loop ...-testversion/src/core/egraph.rkt:218:6 for-loop [80] 100.0% --------------------------------------------------------------------- for-loop [73] 33.2% merge-egraph-nodes! [66] 33.2% for-loop [59] 33.6% [77] 596(7.7%) 0(0.0%) dedup-children! ...ersion/src/core/enode.rkt:202:0 loop [81] 66.8% loop [82] 33.2% --------------------------------------------------------------------- setfindf [74] 100.0% [78] 200(2.6%) 0(0.0%) for-loop ...gmath-testversion/src/common.rkt:131:2 constant? [79] 100.0% --------------------------------------------------------------------- for-loop [78] 33.0% match-e [67] 67.0% [79] 606(7.8%) 0(0.0%) constant? ...stversion/src/syntax/syntax.rkt:726:0 value? [84] 100.0% --------------------------------------------------------------------- for-loop [76] 100.0% [80] 598(7.7%) 0(0.0%) for-loop ...-testversion/src/core/egraph.rkt:219:8 hash-update! [85] 100.0% --------------------------------------------------------------------- dedup-children! [77] 17.1% loop [81] 82.9% [81] 398(5.2%) 0(0.0%) loop ...racket-7.5/collects/racket/list.rkt:417:34 loop [81] 82.9% loop [83] 17.1% --------------------------------------------------------------------- dedup-children! [77] 1.9% loop [82] 98.1% [82] 198(2.6%) 198(2.6%) loop ...racket-7.5/collects/racket/list.rkt:434:17 loop [82] 98.1% --------------------------------------------------------------------- eval-const-expr [21] 2.6% loop! [87] 5.3% gf [20] 10.3% mk-enode-rec! [89] 14.1% for-loop [26] 14.5% loop [83] 25.4% loop [81] 27.8% [83] 1434(18.6%) 620(8.0%) loop (unknown source) loop [83] 25.4% ??? [86] 14.5% mk-enode-rec! [89] 14.1% gf [20] 7.7% loop! [87] 5.3% expand-capturing-lifts [5] 2.6% --------------------------------------------------------------------- constant? [79] 100.0% [84] 606(7.8%) 606(7.8%) value? ...th-testversion/src/syntax/types.rkt:18:0 --------------------------------------------------------------------- for-loop [80] 100.0% [85] 598(7.7%) 0(0.0%) hash-update! ...cket/private/more-scheme.rkt:365:4 ??? [88] 100.0% --------------------------------------------------------------------- .../more-scheme.rkt:261:28 [15] 10.8% loop [83] 11.2% loop [28] 78.0% [86] 1854(24.0%) 200(2.6%) ??? .../eggmath-testversion/src/programs.rkt:115:2 ??? [90] 65.9% ??? [91] 12.1% ??? [94] 11.2% --------------------------------------------------------------------- loop [83] 29.3% merge-egraph-nodes! [66] 70.7% [87] 804(10.4%) 0(0.0%) loop! ...math-testversion/src/core/enode.rkt:194:2 custom-set-union [92] 49.8% loop [83] 29.3% update-en-expr [95] 12.6% set [96] 8.4% --------------------------------------------------------------------- hash-update! [85] 100.0% [88] 598(7.7%) 200(2.6%) ??? ...math-testversion/src/core/egraph.rkt:221:24 for-loop [93] 66.6% --------------------------------------------------------------------- loop [83] 50.0% for-loop [59] 50.0% [89] 202(2.6%) 202(2.6%) mk-enode-rec! ...version/src/core/egraph.rkt:117:0 loop [83] 50.0% --------------------------------------------------------------------- ??? [86] 100.0% [90] 1222(15.8%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:379:33 ival-sub [97] 83.1% ival-div [101] 16.9% --------------------------------------------------------------------- ??? [2] 11.5% location-do [99] 11.5% for-loop [45] 11.5% ??? [29] 31.0% ??? [86] 34.7% [91] 646(8.4%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:375:33 mk-ival [98] 34.7% sample-multi-bounded [102] 31.0% location-do [99] 11.5% approximate9 [3] 11.5% hash-ref! [100] 11.5% --------------------------------------------------------------------- loop! [87] 100.0% [92] 400(5.2%) 200(2.6%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [103] 50.0% --------------------------------------------------------------------- ??? [88] 100.0% [93] 398(5.2%) 398(5.2%) for-loop ...testversion/src/core/egraph.rkt:222:26 --------------------------------------------------------------------- ??? [86] 100.0% [94] 208(2.7%) 208(2.7%) ??? ...th-testversion/src/syntax/syntax.rkt:214:17 --------------------------------------------------------------------- loop! [87] 100.0% [95] 202(2.6%) 202(2.6%) update-en-expr ...ersion/src/core/egraph.rkt:207:0 --------------------------------------------------------------------- loop! [87] 100.0% [96] 202(2.6%) 202(2.6%) set ...collects/racket/private/set-types.rkt:992:0 --------------------------------------------------------------------- ??? [90] 100.0% [97] 1016(13.2%) 398(5.2%) ival-sub ...-testversion/src/biginterval.rkt:107:0 bfsub [104] 60.8% --------------------------------------------------------------------- ??? [91] 100.0% [98] 224(2.9%) 0(0.0%) mk-ival ...th-testversion/src/biginterval.rkt:65:0 bf [105] 100.0% --------------------------------------------------------------------- location-do [99] 50.0% ??? [91] 50.0% [99] 222(2.9%) 0(0.0%) location-do ...h-testversion/src/programs.rkt:64:0 location-do [99] 50.0% ??? [91] 50.0% --------------------------------------------------------------------- ??? [106] 25.0% ??? [107] 25.0% ??? [91] 25.0% loop [8] 25.0% [100] 222(2.9%) 0(0.0%) hash-ref! .../racket/private/more-scheme.rkt:376:2 ??? [2] 25.0% ??? [107] 25.0% ??? [106] 25.0% simplify [4] 25.0% --------------------------------------------------------------------- ??? [90] 100.0% [101] 206(2.7%) 0(0.0%) ival-div ...-testversion/src/biginterval.rkt:155:0 bfsub [104] 100.0% --------------------------------------------------------------------- ??? [91] 100.0% [102] 200(2.6%) 0(0.0%) sample-multi-bounded ...ersion/src/points.rkt:15:0 random-ranges [108] 100.0% --------------------------------------------------------------------- custom-set-union [92] 100.0% [103] 200(2.6%) 0(0.0%) for-loop ...cts/racket/private/set-types.rkt:174:3 for-loop [109] 100.0% --------------------------------------------------------------------- ival-div [101] 25.0% ival-sub [97] 75.0% [104] 824(10.7%) 202(2.6%) bfsub ...-lib/math/private/bigfloat/mpfr.rkt:835:4 ??? [111] 49.3% new-mpfr [110] 26.2% --------------------------------------------------------------------- mk-ival [98] 100.0% [105] 224(2.9%) 0(0.0%) bf ...ath-lib/math/private/bigfloat/mpfr.rkt:615:2 new-mpfr [110] 100.0% --------------------------------------------------------------------- hash-ref! [100] 100.0% [106] 222(2.9%) 0(0.0%) ??? ...math-testversion/src/core/taylor.rkt:344:33 hash-ref! [100] 100.0% --------------------------------------------------------------------- hash-ref! [100] 100.0% [107] 222(2.9%) 0(0.0%) ??? ...gmath-testversion/src/core/taylor.rkt:45:15 hash-ref! [100] 100.0% --------------------------------------------------------------------- sample-multi-bounded [102] 100.0% [108] 200(2.6%) 200(2.6%) random-ranges ...-testversion/src/common.rkt:171:0 --------------------------------------------------------------------- for-loop [103] 100.0% [109] 200(2.6%) 200(2.6%) for-loop ...cts/racket/private/set-types.rkt:178:5 --------------------------------------------------------------------- bfsub [104] 49.1% bf [105] 50.9% [110] 440(5.7%) 440(5.7%) new-mpfr ...b/math/private/bigfloat/mpfr.rkt:348:0 --------------------------------------------------------------------- bfsub [104] 100.0% [111] 406(5.3%) 406(5.3%) ??? /opt/racket-7.5/collects/ffi/unsafe.rkt:938:4 ---------------------------------------------------------------------