Profiling results ----------------- Total cpu time observed: 317028ms (out of 319260ms) Number of samples taken: 893 (once every 355ms) (Hiding functions with self<1.0% and local<2.0%: 12 of 204 hidden) =============================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee =============================================================================== ??? [48] 100.0% [1] 251944(79.5%) 0(0.0%) profile-thunk16 ...t/pkgs/profile-lib/main.rkt:9:0 run [9] 100.0% ------------------------------------------------------------------------------- ??? [48] 100.0% [2] 203224(64.1%) 0(0.0%) run-improve50 ...ie/develop/src/mainloop.rkt:234:0 for-loop [10] 65.8% get-final-combination [11] 32.6% loop [59] 0.9% setup-alt-simplified [18] 0.5% ??? [42] 0.2% ------------------------------------------------------------------------------- eval-prog [161] 0.9% ??? [58] 1.4% for-loop [64] 1.4% ??? [55] 2.3% f134 [30] 94.1% [3] 36430(11.5%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:342:33 ??? [58] 38.7% ??? [13] 26.4% ...velop/src/common.rkt:47:2 [51] 16.2% ->flonum [179] 9.7% ??? [52] 4.5% best-alt [16] 2.3% approximate9 [17] 1.4% ->bf [20] 0.9% ------------------------------------------------------------------------------- ??? [58] 100.0% [4] 20094(6.3%) 0(0.0%) loop ...herbie/develop/src/core/simplify.rkt:210:2 pass [12] 100.0% ------------------------------------------------------------------------------- map-enodes [84] 19.3% loop [122] 80.7% [5] 5248(1.7%) 0(0.0%) for-loop ...ie/develop/src/core/simplify.rkt:168:2 eval-const-expr [14] 79.8% setfindf [15] 20.2% ------------------------------------------------------------------------------- copying-mergesort [167] 100.0% [6] 3492(1.1%) 0(0.0%) jloop ...t/collects/racket/private/sort.rkt:121:23 ??? [98] 89.6% ->flonum [179] 10.4% ------------------------------------------------------------------------------- hash-ref! [165] 100.0% [7] 336(0.1%) 0(0.0%) ??? ...s/herbie/develop/src/core/taylor.rkt:292:23 for-loop [19] 100.0% ------------------------------------------------------------------------------- append-map [183] 100.0% [8] 332(0.1%) 0(0.0%) free-variables ...e/develop/src/programs.rkt:101:0 ??? [42] 100.0% ------------------------------------------------------------------------------- profile-thunk16 [1] 100.0% [9] 251944(79.5%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:39:2 ??? [48] 100.0% ------------------------------------------------------------------------------- run-improve50 [2] 100.0% [10] 133766(42.2%) 0(0.0%) for-loop ...herbie/develop/src/mainloop.rkt:249:10 run-iter! [21] 100.0% ------------------------------------------------------------------------------- run-improve50 [2] 100.0% [11] 66346(20.9%) 0(0.0%) get-final-combination ...op/src/mainloop.rkt:264:0 split-table [22] 99.0% extract-alt [28] 1.0% ------------------------------------------------------------------------------- loop [4] 100.0% [12] 20094(6.3%) 0(0.0%) pass ...herbie/develop/src/core/simplify.rkt:200:2 for-loop [23] 100.0% ------------------------------------------------------------------------------- ??? [185] 2.6% ??? [47] 2.8% ??? [101] 2.8% ??? [126] 3.0% ??? [42] 4.0% ??? [61] 10.6% ??? [3] 74.1% [13] 12736(4.0%) 2096(0.7%) ??? ...ects/racket/contract/private/guts.rkt:644:8 ??? [42] 76.9% contract? [25] 8.0% ------------------------------------------------------------------------------- for-loop [5] 100.0% [14] 4186(1.3%) 1402(0.4%) eval-const-expr .../develop/src/programs.rkt:167:0 f134 [30] 49.5% ??? [169] 17.0% ------------------------------------------------------------------------------- for-loop [5] 100.0% [15] 1062(0.3%) 1062(0.3%) setfindf ...es/herbie/develop/src/common.rkt:175:0 ------------------------------------------------------------------------------- ??? [3] 100.0% [16] 1028(0.3%) 0(0.0%) best-alt ...tlies/herbie/develop/src/glue.rkt:76:0 argmins [24] 100.0% ------------------------------------------------------------------------------- ??? [3] 100.0% [17] 1002(0.3%) 0(0.0%) approximate9 ...e/develop/src/core/taylor.rkt:12:0 loop [26] 100.0% ------------------------------------------------------------------------------- run-improve50 [2] 100.0% [18] 1000(0.3%) 0(0.0%) setup-alt-simplified .../develop/src/glue.rkt:48:0 simplify-alt [27] 100.0% ------------------------------------------------------------------------------- ??? [7] 100.0% [19] 336(0.1%) 0(0.0%) for-loop ...bie/develop/src/core/taylor.rkt:295:27 hash-ref! [165] 100.0% ------------------------------------------------------------------------------- ??? [3] 100.0% [20] 316(0.1%) 0(0.0%) ->bf ...tlies/herbie/develop/src/programs.rkt:52:0 ??? [52] 100.0% ------------------------------------------------------------------------------- for-loop [10] 100.0% [21] 133766(42.2%) 0(0.0%) run-iter! ...herbie/develop/src/mainloop.rkt:215:0 simplify! [29] 75.1% finalize-iter! [31] 21.1% localize-error [35] 1.5% gen-series! [36] 0.7% gen-rewrites! [37] 0.7% ------------------------------------------------------------------------------- get-final-combination [11] 100.0% [22] 65652(20.7%) 0(0.0%) split-table ...s/herbie/develop/src/glue.rkt:162:0 f134 [30] 100.0% ------------------------------------------------------------------------------- pass [12] 100.0% [23] 20094(6.3%) 0(0.0%) for-loop ...e/develop/src/core/simplify.rkt:203:29 argmin [32] 81.4% loop [33] 15.0% for-loop [38] 3.6% ------------------------------------------------------------------------------- extract-alt [28] 25.9% best-alt [16] 74.1% [24] 1388(0.4%) 0(0.0%) argmins ...ies/herbie/develop/src/common.rkt:141:0 composed [34] 100.0% ------------------------------------------------------------------------------- ??? [13] 100.0% [25] 1022(0.3%) 664(0.2%) contract? ...acket/contract/private/guts.rkt:109:0 coerce-contract/f4 [39] 35.0% ------------------------------------------------------------------------------- approximate9 [17] 100.0% [26] 1002(0.3%) 0(0.0%) loop ...es/herbie/develop/src/core/taylor.rkt:83:4 hash-ref! [165] 100.0% ------------------------------------------------------------------------------- setup-alt-simplified [18] 100.0% [27] 1000(0.3%) 0(0.0%) simplify-alt ...s/herbie/develop/src/glue.rkt:81:0 ??? [58] 100.0% ------------------------------------------------------------------------------- get-final-combination [11] 100.0% [28] 694(0.2%) 0(0.0%) extract-alt ...es/herbie/develop/src/glue.rkt:54:0 argmins [24] 51.9% loop [40] 48.1% ------------------------------------------------------------------------------- run-iter! [21] 100.0% [29] 100488(31.7%) 0(0.0%) simplify! ...herbie/develop/src/mainloop.rkt:155:0 for-loop [41] 100.0% ------------------------------------------------------------------------------- loop [122] 0.1% simplify [177] 0.1% append-map [183] 0.2% map [89] 0.5% hash-ref! [165] 2.7% eval-const-expr [14] 2.8% eval-prog [161] 8.7% f134 [30] 31.7% split-table [22] 53.2% [30] 74520(23.5%) 360(0.1%) f134 .../collects/racket/match/compiler.rkt:507:40 loop [122] 43.2% f134 [30] 31.7% option-on-expr [134] 10.1% ??? [3] 8.4% map [89] 3.2% ??? [58] 0.9% ...velop/src/common.rkt:47:2 [51] 0.9% ??? [47] 0.5% ??? [52] 0.4% append-map [183] 0.3% ??? [42] 0.2% composed [34] 0.1% ------------------------------------------------------------------------------- run-iter! [21] 100.0% [31] 28278(8.9%) 0(0.0%) finalize-iter! ...e/develop/src/mainloop.rkt:169:0 ??? [42] 100.0% ------------------------------------------------------------------------------- for-loop [23] 100.0% [32] 16354(5.2%) 0(0.0%) argmin ...re/racket/collects/racket/list.rkt:743:0 for-loop [43] 91.9% expression-cost [44] 8.1% ------------------------------------------------------------------------------- for-loop [23] 100.0% [33] 3022(1.0%) 0(0.0%) loop ...hare/racket/collects/racket/list.rkt:729:4 for-loop [43] 89.0% expression-cost [44] 11.0% ------------------------------------------------------------------------------- f134 [30] 16.2% loop [40] 16.3% argmins [24] 67.6% [34] 2054(0.6%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [80] 83.8% parse-loop12 [175] 16.2% ------------------------------------------------------------------------------- run-iter! [21] 100.0% [35] 2020(0.6%) 0(0.0%) localize-error ...velop/src/core/localize.rkt:47:0 hash-ref! [165] 100.0% ------------------------------------------------------------------------------- run-iter! [21] 100.0% [36] 1002(0.3%) 0(0.0%) gen-series! ...rbie/develop/src/mainloop.rkt:129:0 for-loop [45] 100.0% ------------------------------------------------------------------------------- run-iter! [21] 100.0% [37] 950(0.3%) 0(0.0%) gen-rewrites! ...ie/develop/src/mainloop.rkt:142:0 for-loop [46] 100.0% ------------------------------------------------------------------------------- for-loop [23] 100.0% [38] 718(0.2%) 718(0.2%) for-loop ...e/develop/src/core/simplify.rkt:190:13 ------------------------------------------------------------------------------- contract? [25] 100.0% [39] 358(0.1%) 358(0.1%) coerce-contract/f4 ...tract/private/guts.rkt:299:0 ------------------------------------------------------------------------------- extract-alt [28] 100.0% [40] 334(0.1%) 0(0.0%) loop ...htlies/herbie/develop/src/common.rkt:142:2 composed [34] 100.0% ------------------------------------------------------------------------------- simplify! [29] 100.0% [41] 100488(31.7%) 0(0.0%) for-loop .../herbie/develop/src/mainloop.rkt:159:6 ??? [48] 100.0% ------------------------------------------------------------------------------- free-variables [8] 0.6% substitute-e [117] 0.6% run-improve50 [2] 0.7% ->flonum [179] 1.3% f134 [30] 2.0% variable? [127] 10.1% match-e [107] 11.0% ??? [13] 18.7% finalize-iter! [31] 52.9% [42] 53418(16.8%) 10780(3.4%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [49] 51.7% hash-has-key? [50] 23.0% atab-add-altns [54] 1.9% ??? [55] 1.9% ??? [13] 1.3% ------------------------------------------------------------------------------- loop [33] 15.2% argmin [32] 84.8% [43] 17720(5.6%) 360(0.1%) for-loop .../herbie/develop/src/programs.rkt:200:2 ??? [58] 65.4% ...velop/src/common.rkt:47:2 [51] 30.6% ??? [52] 2.0% ------------------------------------------------------------------------------- loop [33] 20.0% argmin [32] 80.0% [44] 1656(0.5%) 0(0.0%) expression-cost .../develop/src/programs.rkt:199:0 compile [53] 100.0% ------------------------------------------------------------------------------- gen-series! [36] 100.0% [45] 1002(0.3%) 0(0.0%) for-loop .../herbie/develop/src/mainloop.rkt:135:7 taylor-alt [56] 100.0% ------------------------------------------------------------------------------- gen-rewrites! [37] 100.0% [46] 950(0.3%) 0(0.0%) for-loop ...herbie/develop/src/mainloop.rkt:147:11 ??? [57] 100.0% ------------------------------------------------------------------------------- f134 [30] 100.0% [47] 360(0.1%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:336:46 ??? [13] 100.0% ------------------------------------------------------------------------------- for-loop [41] 12.5% run [9] 40.7% [48] 268192(84.6%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [1] 40.7% run-improve50 [2] 32.1% ??? [58] 17.5% loop [59] 9.7% ------------------------------------------------------------------------------- ??? [42] 100.0% [49] 27608(8.7%) 0(0.0%) for-loop ...ie/develop/src/core/alt-table.rkt:51:2 atab-add-altn [60] 100.0% ------------------------------------------------------------------------------- mk-enode! [128] 10.1% ??? [42] 89.9% [50] 13654(4.3%) 4090(1.3%) hash-has-key? ...et/private/more-scheme.rkt:368:13 ??? [70] 64.8% ??? [66] 5.3% ------------------------------------------------------------------------------- ->flonum [179] 5.4% f134 [30] 5.4% for-loop [43] 42.8% ??? [3] 46.4% [51] 12678(4.0%) 2676(0.8%) ...velop/src/common.rkt:47:2 ...e/arr-i.rkt:906:19 ??? [61] 46.1% ??? [62] 32.8% ------------------------------------------------------------------------------- ->bf [20] 11.2% f134 [30] 11.7% for-loop [43] 12.4% ??? [3] 64.7% [52] 2816(0.9%) 1402(0.4%) ??? ...ts/racket/contract/private/arr-i.rkt:804:10 get/build-late-neg-projection [63] 39.0% ??? [67] 11.2% ------------------------------------------------------------------------------- expression-cost [44] 100.0% [53] 1656(0.5%) 314(0.1%) compile ...s/herbie/develop/src/programs.rkt:176:0 hash-ref! [165] 81.0% ------------------------------------------------------------------------------- ??? [42] 100.0% [54] 1040(0.3%) 0(0.0%) atab-add-altns ...elop/src/core/alt-table.rkt:50:0 atab-add-altn [60] 100.0% ------------------------------------------------------------------------------- ??? [42] 100.0% [55] 1028(0.3%) 0(0.0%) ??? .../herbie/develop/src/core/alt-table.rkt:54:0 ??? [3] 100.0% ------------------------------------------------------------------------------- for-loop [45] 100.0% [56] 1002(0.3%) 0(0.0%) taylor-alt ...es/herbie/develop/src/glue.rkt:139:0 for-loop [64] 100.0% ------------------------------------------------------------------------------- for-loop [46] 100.0% [57] 950(0.3%) 0(0.0%) ??? ...ies/herbie/develop/src/alternative.rkt:88:0 rewriter [65] 100.0% ------------------------------------------------------------------------------- f134 [30] 0.2% parse-loop12 [175] 0.3% simplify-alt [27] 0.3% ->flonum [179] 1.4% for-loop [43] 2.9% ??? [3] 10.4% ??? [58] 21.1% for-loop [69] 21.4% ??? [48] 41.7% [58] 132550(41.8%) 5790(1.8%) ??? ...llects/racket/private/norm-define.rkt:53:83 iterate-egraph!13 [68] 35.6% for-loop [69] 21.4% ??? [58] 21.1% ??? [70] 11.1% loop [4] 6.1% *simplify-rules* [76] 0.5% return/no-unsupplied [184] 0.3% ??? [3] 0.2% ??? [185] 0.1% ------------------------------------------------------------------------------- run-improve50 [2] 3.3% ??? [48] 96.7% [59] 53394(16.8%) 334(0.1%) loop ...htlies/herbie/develop/src/points.rkt:193:2 loop [72] 46.4% make-exacts* [81] 33.7% loop [82] 19.2% ------------------------------------------------------------------------------- atab-add-altns [54] 3.6% for-loop [49] 96.4% [60] 28648(9.0%) 0(0.0%) atab-add-altn ...elop/src/core/alt-table.rkt:208:0 best-and-tied-at-points [71] 95.4% override-at-pnts [73] 4.6% ------------------------------------------------------------------------------- for-loop [148] 2.8% ??? [126] 20.4% ...velop/src/common.rkt:47:2 [51] 76.7% [61] 5844(1.8%) 2062(0.7%) ??? ...ects/racket/contract/private/list.rkt:342:4 ??? [126] 64.8% ??? [13] 11.6% ------------------------------------------------------------------------------- ...velop/src/common.rkt:47:2 [51] 100.0% [62] 4158(1.3%) 1050(0.3%) ??? ...s/racket/contract/private/arr-i.rkt:1268:39 return/no-unsupplied [184] 42.2% ??? [185] 32.6% ------------------------------------------------------------------------------- unconstrained-domain->-projection [78] 16.5% ??? [52] 83.5% [63] 1098(0.3%) 736(0.2%) get/build-late-neg-projection ...te/guts.rkt:691:0 unconstrained-domain->-projection [78] 16.5% ??? [77] 16.5% ------------------------------------------------------------------------------- taylor-alt [56] 100.0% [64] 1002(0.3%) 0(0.0%) for-loop ...lies/herbie/develop/src/glue.rkt:141:2 ??? [3] 100.0% ------------------------------------------------------------------------------- ??? [57] 35.1% matcher [86] 64.9% [65] 950(0.3%) 0(0.0%) rewriter ...bie/develop/src/core/matcher.rkt:127:2 for-loop [75] 64.9% *rules* [74] 35.1% ------------------------------------------------------------------------------- hash-has-key? [50] 100.0% [66] 718(0.2%) 718(0.2%) ??? ...ects/racket/contract/private/hash.rkt:245:7 ------------------------------------------------------------------------------- ??? [52] 100.0% [67] 316(0.1%) 316(0.1%) ??? ...ntract/private/arrow-higher-order.rkt:518:2 ------------------------------------------------------------------------------- ??? [58] 100.0% [68] 94678(29.9%) 0(0.0%) iterate-egraph!13 ...p/src/core/simplify.rkt:102:0 one-iter [79] 94.1% map-enodes [84] 5.5% debug-print [182] 0.3% ------------------------------------------------------------------------------- ??? [58] 100.0% [69] 57942(18.3%) 0(0.0%) for-loop ...ie/develop/src/core/simplify.rkt:63:12 ??? [58] 100.0% ------------------------------------------------------------------------------- hash-has-key? [50] 29.7% ??? [58] 70.3% [70] 29736(9.4%) 10300(3.2%) ??? ...ects/racket/contract/private/list.rkt:737:4 for-loop [83] 52.9% ??? [92] 9.1% ??? [126] 2.1% arrow-higher-order:lnp [94] 1.2% ------------------------------------------------------------------------------- atab-add-altn [60] 100.0% [71] 27320(8.6%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [80] 100.0% ------------------------------------------------------------------------------- loop [59] 100.0% [72] 24768(7.8%) 0(0.0%) loop ...htlies/herbie/develop/src/points.rkt:151:2 make-exacts* [81] 47.3% loop [82] 38.7% eval-prog [161] 14.0% ------------------------------------------------------------------------------- atab-add-altn [60] 100.0% [73] 1328(0.4%) 0(0.0%) override-at-pnts ...p/src/core/alt-table.rkt:145:0 errors [80] 100.0% ------------------------------------------------------------------------------- rewriter [65] 100.0% [74] 950(0.3%) 294(0.1%) *rules* ...rbie/develop/src/syntax/rules.rkt:455:0 for-loop [85] 69.1% ------------------------------------------------------------------------------- rewriter [65] 100.0% [75] 950(0.3%) 0(0.0%) for-loop ...ie/develop/src/core/matcher.rkt:130:10 matcher [86] 100.0% ------------------------------------------------------------------------------- ??? [58] 100.0% [76] 688(0.2%) 0(0.0%) *simplify-rules* ...lop/src/syntax/rules.rkt:459:0 for-loop [85] 100.0% ------------------------------------------------------------------------------- get/build-late-neg-projection [63] 100.0% [77] 362(0.1%) 0(0.0%) ??? ...cts/racket/contract/private/prop.rkt:314:12 build-compound-type-name [87] 100.0% ------------------------------------------------------------------------------- get/build-late-neg-projection [63] 100.0% [78] 362(0.1%) 0(0.0%) unconstrained-domain->-projection ...rrow.rkt:60:0 get/build-late-neg-projection [63] 100.0% ------------------------------------------------------------------------------- iterate-egraph!13 [68] 100.0% [79] 89108(28.1%) 1630(0.5%) one-iter ...ie/develop/src/core/simplify.rkt:113:0 for-loop [88] 62.7% loop [91] 33.2% apply-match [99] 1.5% ------------------------------------------------------------------------------- override-at-pnts [73] 3.7% composed [34] 4.9% loop [122] 6.6% option-on-expr [134] 7.8% best-and-tied-at-points [71] 77.0% [80] 35462(11.2%) 0(0.0%) errors ...lies/herbie/develop/src/points.rkt:218:0 for-loop [90] 85.2% eval-prog [161] 14.8% ------------------------------------------------------------------------------- loop [72] 39.4% loop [59] 60.6% [81] 29730(9.4%) 0(0.0%) make-exacts* ...erbie/develop/src/points.rkt:138:0 loop [122] 46.6% map [89] 41.7% eval-prog [161] 11.7% ------------------------------------------------------------------------------- loop [72] 48.3% loop [59] 51.7% [82] 19866(6.3%) 0(0.0%) loop ...htlies/herbie/develop/src/points.rkt:141:4 map [89] 100.0% ------------------------------------------------------------------------------- ??? [70] 100.0% [83] 15736(5.0%) 7416(2.3%) for-loop ...acket/contract/private/list.rkt:743:12 ??? [92] 24.4% for-loop [93] 19.7% arrow-higher-order:lnp [94] 6.5% ??? [97] 2.3% ------------------------------------------------------------------------------- iterate-egraph!13 [68] 100.0% [84] 5248(1.7%) 0(0.0%) map-enodes ...ie/develop/src/core/egraph.rkt:139:0 loop [122] 80.7% for-loop [5] 19.3% ------------------------------------------------------------------------------- *rules* [74] 48.8% *simplify-rules* [76] 51.2% [85] 1344(0.4%) 656(0.2%) for-loop ...ies/herbie/develop/src/common.rkt:94:9 ormap [95] 51.2% ------------------------------------------------------------------------------- matcher [86] 23.9% for-loop [96] 26.1% for-loop [75] 50.0% [86] 950(0.3%) 0(0.0%) matcher ...rbie/develop/src/core/matcher.rkt:163:2 rewriter [65] 50.0% for-loop [96] 26.1% matcher [86] 23.9% ------------------------------------------------------------------------------- ??? [77] 100.0% [87] 362(0.1%) 362(0.1%) build-compound-type-name ...private/guts.rkt:448:0 ------------------------------------------------------------------------------- for-loop [88] 48.7% one-iter [79] 51.3% [88] 55872(17.6%) 14662(4.6%) for-loop ...e/develop/src/core/simplify.rkt:123:12 for-loop [88] 48.7% match-e [107] 36.9% ------------------------------------------------------------------------------- ??? [139] 1.7% f134 [30] 5.9% make-exacts* [81] 35.5% loop [82] 56.8% [89] 34958(11.0%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:20:13 loop [122] 92.6% ??? [139] 2.7% f134 [30] 1.9% ->flonum [179] 1.7% loop [105] 1.0% ------------------------------------------------------------------------------- errors [80] 100.0% [90] 30212(9.5%) 1386(0.4%) for-loop ...es/herbie/develop/src/points.rkt:221:4 ??? [98] 88.6% ulp-difference [120] 3.5% ->flonum [179] 3.3% ------------------------------------------------------------------------------- one-iter [79] 100.0% [91] 29574(9.3%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:52:19 apply-match [99] 100.0% ------------------------------------------------------------------------------- ??? [70] 41.4% for-loop [83] 58.6% [92] 6542(2.1%) 3428(1.1%) ??? ...private/unconstrained-domain-arrow.rkt:74:4 make-keyword-procedure [100] 47.6% ------------------------------------------------------------------------------- for-loop [83] 100.0% [93] 3096(1.0%) 646(0.2%) for-loop ...racket/contract/private/hash.rkt:239:6 ??? [101] 79.1% ------------------------------------------------------------------------------- ??? [70] 25.9% for-loop [83] 74.1% [94] 1388(0.4%) 362(0.1%) arrow-higher-order:lnp ...w-higher-order.rkt:597:7 ??? [102] 73.9% ------------------------------------------------------------------------------- for-loop [85] 100.0% [95] 688(0.2%) 328(0.1%) ormap ...et/collects/racket/private/map.rkt:105:13 flag-set? [104] 52.3% ------------------------------------------------------------------------------- matcher [86] 100.0% [96] 656(0.2%) 0(0.0%) for-loop ...ie/develop/src/core/matcher.rkt:179:21 matcher [86] 100.0% ------------------------------------------------------------------------------- for-loop [83] 100.0% [97] 362(0.1%) 0(0.0%) ??? ...ects/racket/contract/private/hash.rkt:222:6 check-hash/c [103] 100.0% ------------------------------------------------------------------------------- for-loop [156] 2.1% jloop [6] 3.8% loop [170] 8.8% for-loop [90] 32.5% loop [122] 52.8% [98] 82404(26.0%) 672(0.2%) ??? ...tlies/herbie/develop/src/programs.rkt:155:4 ??? [106] 95.0% ??? [109] 3.0% ->flonum [179] 1.2% ------------------------------------------------------------------------------- one-iter [79] 4.3% loop [91] 95.7% [99] 30888(9.7%) 1712(0.5%) apply-match ...develop/src/core/simplify.rkt:129:2 merge-egraph-nodes! [114] 29.1% match-e [107] 27.6% substitute-e [117] 11.1% for-loop [108] 9.8% loop! [137] 9.1% mk-enode! [128] 6.7% update-leader! [125] 1.1% ------------------------------------------------------------------------------- ??? [92] 100.0% [100] 3114(1.0%) 3114(1.0%) make-keyword-procedure ...ket/private/kw.rkt:260:4 ------------------------------------------------------------------------------- for-loop [93] 100.0% [101] 2450(0.8%) 1370(0.4%) ??? ...ects/racket/contract/private/list.rkt:686:7 ??? [121] 29.4% ??? [13] 14.7% ------------------------------------------------------------------------------- arrow-higher-order:lnp [94] 100.0% [102] 1026(0.3%) 1026(0.3%) ??? ...et/contract/private/arity-checking.rkt:19:2 ------------------------------------------------------------------------------- ??? [97] 100.0% [103] 362(0.1%) 0(0.0%) check-hash/c ...ket/contract/private/hash.rkt:83:0 flat-contract? [110] 100.0% ------------------------------------------------------------------------------- ormap [95] 100.0% [104] 360(0.1%) 360(0.1%) flag-set? ...es/herbie/develop/src/config.rkt:32:0 ------------------------------------------------------------------------------- map [89] 3.0% loop [105] 97.0% [105] 348(0.1%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:36:19 loop [105] 97.0% ??? [111] 3.0% ------------------------------------------------------------------------------- ??? [98] 100.0% [106] 78262(24.7%) 37096(11.7%) ??? ...acket/collects/racket/private/kw.rkt:444:14 bf* [113] 17.9% ??? [123] 14.6% ??? [115] 8.7% ??? [116] 7.1% ...higher-order.rkt:346:33 [118] 3.9% ??? [121] 0.5% ------------------------------------------------------------------------------- apply-match [99] 10.8% for-loop [124] 21.1% for-loop [88] 68.1% [107] 49726(15.7%) 17410(5.5%) match-e ...herbie/develop/src/core/ematch.rkt:46:0 for-loop [112] 40.4% for-loop [124] 10.9% ??? [42] 6.1% variable? [127] 4.4% loop [122] 2.8% list-cartesian-product [129] 2.1% ------------------------------------------------------------------------------- apply-match [99] 100.0% [108] 3040(1.0%) 0(0.0%) for-loop ...e/develop/src/core/simplify.rkt:143:10 merge-egraph-nodes! [114] 45.9% substitute-e [117] 21.6% loop! [137] 21.6% mk-enode! [128] 11.0% ------------------------------------------------------------------------------- ??? [98] 100.0% [109] 2506(0.8%) 0(0.0%) ??? ...contract/private/../../private/kw.rkt:761:9 real->bigfloat [119] 100.0% ------------------------------------------------------------------------------- check-hash/c [103] 100.0% [110] 362(0.1%) 362(0.1%) flat-contract? .../contract/private/guts.rkt:111:0 ------------------------------------------------------------------------------- loop [105] 100.0% [111] 348(0.1%) 0(0.0%) ??? .../herbie/develop/src/core/localize.rkt:43:32 ulp-difference [120] 100.0% ------------------------------------------------------------------------------- match-e [107] 100.0% [112] 26208(8.3%) 7540(2.4%) for-loop ...rbie/develop/src/core/ematch.rkt:59:11 for-loop [124] 57.1% list-cartesian-product [129] 12.4% loop [122] 3.4% curry* [133] 1.4% ------------------------------------------------------------------------------- ??? [106] 100.0% [113] 14044(4.4%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [123] 100.0% ------------------------------------------------------------------------------- merge-egraph-nodes! [114] 4.1% for-loop [108] 13.4% apply-match [99] 80.8% [114] 10376(3.3%) 0(0.0%) merge-egraph-nodes! ...p/src/core/egraph.rkt:152:0 update-leader! [125] 72.8% loop! [137] 11.0% for-loop [131] 6.8% merge-egraph-nodes! [114] 4.1% enode-merge! [132] 3.6% ------------------------------------------------------------------------------- ??? [106] 100.0% [115] 6814(2.1%) 3668(1.2%) ??? ...herbie/develop/src/syntax/syntax.rkt:118:17 ??? [185] 36.1% return/no-unsupplied [184] 10.1% ------------------------------------------------------------------------------- ??? [106] 100.0% [116] 5528(1.7%) 5528(1.7%) ??? ...rivate/unconstrained-domain-arrow.rkt:40:13 ------------------------------------------------------------------------------- for-loop [108] 16.1% substitute-e [117] 20.8% apply-match [99] 63.1% [117] 4076(1.3%) 330(0.1%) substitute-e ...e/develop/src/core/ematch.rkt:71:0 mk-enode! [128] 66.8% substitute-e [117] 20.8% variable? [127] 6.9% ??? [42] 2.8% ------------------------------------------------------------------------------- ??? [106] 100.0% [118] 3022(1.0%) 1892(0.6%) ...higher-order.rkt:346:33 (unknown source) ??? [126] 37.4% ------------------------------------------------------------------------------- ??? [109] 100.0% [119] 2506(0.8%) 2178(0.7%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [189] 13.1% ------------------------------------------------------------------------------- ??? [111] 24.8% for-loop [90] 75.2% [120] 1402(0.4%) 362(0.1%) ulp-difference ...erbie/develop/src/float.rkt:19:0 return/no-unsupplied [184] 74.2% ------------------------------------------------------------------------------- ??? [106] 33.3% ??? [101] 66.7% [121] 1080(0.3%) 360(0.1%) ??? ...ects/racket/contract/private/prop.rkt:493:4 ??? [130] 66.7% ------------------------------------------------------------------------------- make-exacts* [81] 0.1% append-map [183] 0.3% parse-loop12 [175] 0.4% map-enodes [84] 0.6% for-loop [112] 0.6% loop! [137] 0.8% map [89] 1.2% match-e [107] 1.3% option-on-expr [134] 1.3% ??? [171] 5.0% f134 [30] 34.4% loop [122] 53.9% [122] 116168(36.6%) 1174(0.4%) loop ...cket/collects/racket/private/map.rkt:25:19 loop [122] 53.9% option-on-expr [134] 34.4% hash-ref! [165] 5.0% errors [80] 1.3% ??? [98] 1.2% foldl [140] 1.0% loop! [137] 0.8% for-loop [5] 0.6% ??? [139] 0.4% f134 [30] 0.3% ->flonum [179] 0.1% ------------------------------------------------------------------------------- ??? [106] 44.8% bf* [113] 55.2% [123] 25442(8.0%) 1036(0.3%) ??? ...-racket/utils/simple-result-arrow.rkt:39:12 bfmul [135] 85.9% bfabs [138] 10.0% ------------------------------------------------------------------------------- match-e [107] 35.5% for-loop [112] 64.5% [124] 23634(7.5%) 3424(1.1%) for-loop ...rbie/develop/src/core/ematch.rkt:65:37 match-e [107] 80.4% ??? [141] 5.8% ------------------------------------------------------------------------------- apply-match [99] 4.0% merge-egraph-nodes! [114] 96.0% [125] 8248(2.6%) 1078(0.3%) update-leader! ...evelop/src/core/egraph.rkt:217:0 for-loop [136] 82.9% mutable-set [147] 4.1% ------------------------------------------------------------------------------- ??? [70] 9.1% ...higher-order.rkt:346:33 [118] 16.4% ??? [61] 74.5% [126] 6910(2.2%) 3806(1.2%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [61] 34.6% ??? [13] 5.6% for-loop [148] 4.8% ------------------------------------------------------------------------------- substitute-e [117] 11.1% match-e [107] 88.9% [127] 6074(1.9%) 654(0.2%) variable? ...e/develop/src/syntax/syntax.rkt:529:0 ??? [42] 89.2% ------------------------------------------------------------------------------- for-loop [108] 6.5% apply-match [99] 40.3% substitute-e [117] 53.2% [128] 5122(1.6%) 3076(1.0%) mk-enode! ...bie/develop/src/core/egraph.rkt:101:0 hash-has-key? [50] 26.9% new-enode [144] 13.1% ------------------------------------------------------------------------------- match-e [107] 14.6% list-cartesian-product [129] 39.1% for-loop [112] 46.3% [129] 4860(1.5%) 4148(1.3%) list-cartesian-product ...src/core/ematch.rkt:20:0 list-cartesian-product [129] 39.1% for-loop [143] 7.3% ------------------------------------------------------------------------------- ??? [121] 100.0% [130] 720(0.2%) 0(0.0%) ??? ...lects/racket/contract/private/orc.rkt:83:14 ??? [142] 100.0% ------------------------------------------------------------------------------- merge-egraph-nodes! [114] 100.0% [131] 708(0.2%) 708(0.2%) for-loop ...rbie/develop/src/core/egraph.rkt:232:6 ------------------------------------------------------------------------------- merge-egraph-nodes! [114] 100.0% [132] 370(0.1%) 0(0.0%) enode-merge! ...e/develop/src/core/enode.rkt:100:0 adopt-enode! [145] 100.0% ------------------------------------------------------------------------------- for-loop [112] 100.0% [133] 360(0.1%) 0(0.0%) curry* ...racket/collects/racket/function.rkt:44:2 procedure-arity [146] 100.0% ------------------------------------------------------------------------------- f134 [30] 21.3% loop [122] 78.7% [134] 65652(20.7%) 0(0.0%) option-on-expr ...evelop/src/core/regimes.rkt:92:0 pick-errors [149] 74.9% sort-context-on-expr [150] 16.9% errors [80] 4.2% loop [122] 3.6% ------------------------------------------------------------------------------- ??? [123] 100.0% [135] 21864(6.9%) 14302(4.5%) bfmul ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [189] 34.6% ------------------------------------------------------------------------------- update-leader! [125] 100.0% [136] 6834(2.2%) 306(0.1%) for-loop ...rbie/develop/src/core/egraph.rkt:222:6 for-loop [151] 95.5% ------------------------------------------------------------------------------- for-loop [108] 10.2% merge-egraph-nodes! [114] 20.0% loop [122] 30.4% apply-match [99] 39.4% [137] 4860(1.5%) 716(0.2%) loop! ...s/herbie/develop/src/core/enode.rkt:163:2 custom-set-union [153] 34.9% loop [122] 30.4% set [152] 14.8% update-en-expr [174] 13.8% ------------------------------------------------------------------------------- ??? [123] 100.0% [138] 2542(0.8%) 1476(0.5%) bfabs ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [189] 41.9% ------------------------------------------------------------------------------- map [89] 18.0% loop [122] 82.0% [139] 1672(0.5%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [165] 87.0% map [89] 13.0% ------------------------------------------------------------------------------- loop [122] 100.0% [140] 1394(0.4%) 0(0.0%) foldl ...et/collects/racket/private/list.rkt:229:4 merge2 [154] 100.0% ------------------------------------------------------------------------------- for-loop [124] 100.0% [141] 1380(0.4%) 654(0.2%) ??? ...ies/herbie/develop/src/core/ematch.rkt:50:5 for-loop [155] 52.6% ------------------------------------------------------------------------------- ??? [130] 100.0% [142] 720(0.2%) 720(0.2%) ??? ...ects/racket/contract/private/list.rkt:141:5 ------------------------------------------------------------------------------- list-cartesian-product [129] 100.0% [143] 712(0.2%) 712(0.2%) for-loop ...erbie/develop/src/core/ematch.rkt:24:8 ------------------------------------------------------------------------------- mk-enode! [128] 100.0% [144] 670(0.2%) 334(0.1%) new-enode ...erbie/develop/src/core/enode.rkt:68:0 set [152] 50.1% ------------------------------------------------------------------------------- enode-merge! [132] 100.0% [145] 370(0.1%) 370(0.1%) adopt-enode! ...ie/develop/src/core/enode.rkt:76:0 ------------------------------------------------------------------------------- curry* [133] 100.0% [146] 360(0.1%) 360(0.1%) procedure-arity ...ket/private/norm-arity.rkt:7:27 ------------------------------------------------------------------------------- update-leader! [125] 100.0% [147] 336(0.1%) 336(0.1%) mutable-set .../racket/private/set-types.rkt:999:0 ------------------------------------------------------------------------------- ??? [126] 100.0% [148] 332(0.1%) 0(0.0%) for-loop ...acket/contract/private/list.rkt:190:15 ??? [61] 100.0% ------------------------------------------------------------------------------- option-on-expr [134] 100.0% [149] 49160(15.5%) 0(0.0%) pick-errors .../develop/src/core/regimes.rkt:160:0 for-loop [156] 100.0% ------------------------------------------------------------------------------- option-on-expr [134] 100.0% [150] 11074(3.5%) 0(0.0%) sort-context-on-expr ...velop/src/points.rkt:115:0 ??? [157] 100.0% ------------------------------------------------------------------------------- for-loop [136] 100.0% [151] 6528(2.1%) 0(0.0%) for-loop ...rbie/develop/src/core/egraph.rkt:223:8 hash-update! [158] 100.0% ------------------------------------------------------------------------------- new-enode [144] 19.0% loop! [137] 81.0% [152] 1770(0.6%) 1770(0.6%) set ...collects/racket/private/set-types.rkt:981:0 ------------------------------------------------------------------------------- loop! [137] 100.0% [153] 1698(0.5%) 0(0.0%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [159] 78.9% for-loop [160] 21.1% ------------------------------------------------------------------------------- foldl [140] 100.0% [154] 1394(0.4%) 1394(0.4%) merge2 .../herbie/develop/src/core/ematch.rkt:31:0 ------------------------------------------------------------------------------- ??? [141] 100.0% [155] 726(0.2%) 726(0.2%) for-loop ...erbie/develop/src/core/ematch.rkt:51:7 ------------------------------------------------------------------------------- pick-errors [149] 100.0% [156] 49160(15.5%) 298(0.1%) for-loop ...bie/develop/src/core/regimes.rkt:163:6 eval-prog [161] 95.9% ??? [98] 3.5% ------------------------------------------------------------------------------- sort-context-on-expr [150] 100.0% [157] 11074(3.5%) 0(0.0%) ??? ...cket/collects/racket/private/sort.rkt:403:3 generic-sort/key [162] 78.5% loop [170] 21.5% ------------------------------------------------------------------------------- for-loop [151] 100.0% [158] 6528(2.1%) 0(0.0%) hash-update! ...ket/private/more-scheme.rkt:362:13 ??? [163] 100.0% ------------------------------------------------------------------------------- custom-set-union [153] 100.0% [159] 1340(0.4%) 324(0.1%) for-loop ...cts/racket/private/set-types.rkt:174:3 for-loop [164] 75.8% ------------------------------------------------------------------------------- custom-set-union [153] 100.0% [160] 358(0.1%) 358(0.1%) for-loop ...cts/racket/private/set-types.rkt:152:2 ------------------------------------------------------------------------------- loop [72] 5.8% make-exacts* [81] 5.8% errors [80] 8.8% for-loop [156] 79.0% [161] 59678(18.8%) 13312(4.2%) eval-prog ...herbie/develop/src/programs.rkt:149:0 f134 [30] 60.1% hash-ref! [165] 11.7% ??? [168] 3.6% ??? [169] 0.6% ??? [3] 0.5% ------------------------------------------------------------------------------- ??? [157] 100.0% [162] 8696(2.7%) 0(0.0%) generic-sort/key .../racket/private/sort.rkt:185:2 copying-mergesort [167] 72.2% loop [170] 27.8% ------------------------------------------------------------------------------- hash-update! [158] 100.0% [163] 6528(2.1%) 0(0.0%) ??? ...s/herbie/develop/src/core/egraph.rkt:225:24 for-loop [166] 100.0% ------------------------------------------------------------------------------- for-loop [159] 100.0% [164] 1016(0.3%) 1016(0.3%) for-loop ...cts/racket/private/set-types.rkt:178:5 ------------------------------------------------------------------------------- for-loop [19] 1.5% ??? [171] 3.6% ??? [178] 3.7% loop [26] 3.7% localize-error [35] 5.6% compile [53] 8.2% ??? [139] 12.2% eval-prog [161] 19.4% loop [122] 42.1% [165] 11326(3.6%) 2304(0.7%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [171] 46.3% bigfloat-hash [172] 12.5% parse-loop12 [175] 11.8% f134 [30] 6.0% ??? [178] 3.7% simplify [177] 3.7% ??? [7] 1.5% ------------------------------------------------------------------------------- ??? [163] 100.0% [166] 6528(2.1%) 5484(1.7%) for-loop ...bie/develop/src/core/egraph.rkt:226:26 update-en-expr [174] 16.0% ------------------------------------------------------------------------------- generic-sort/key [162] 42.8% copying-mergesort [167] 57.2% [167] 6280(2.0%) 0(0.0%) copying-mergesort ...racket/private/sort.rkt:130:8 copying-mergesort [167] 57.2% loop [170] 28.9% jloop [6] 13.9% ------------------------------------------------------------------------------- eval-prog [161] 100.0% [168] 2150(0.7%) 0(0.0%) ??? ...collects/racket/private/qq-and-or.rkt:155:9 ??? [173] 100.0% ------------------------------------------------------------------------------- eval-prog [161] 33.6% eval-const-expr [14] 66.4% [169] 1070(0.3%) 0(0.0%) ??? ...cket/collects/racket/private/kw.rkt:1633:36 unpack242 [176] 100.0% ------------------------------------------------------------------------------- ??? [157] 31.4% generic-sort/key [162] 31.9% copying-mergesort [167] 36.8% [170] 7582(2.4%) 0(0.0%) loop ...ket/collects/racket/private/sort.rkt:97:12 ??? [98] 95.6% ->flonum [179] 4.4% ------------------------------------------------------------------------------- hash-ref! [165] 100.0% [171] 6562(2.1%) 0(0.0%) ??? ...tlies/herbie/develop/src/programs.rkt:184:5 loop [122] 89.9% hash-ref! [165] 10.1% ------------------------------------------------------------------------------- hash-ref! [165] 100.0% [172] 5642(1.8%) 328(0.1%) bigfloat-hash ...h/private/bigfloat/mpfr.rkt:165:0 bfcanonicalize [180] 61.5% sig+exp->bigfloat [181] 32.7% ------------------------------------------------------------------------------- ??? [168] 100.0% [173] 2150(0.7%) 2150(0.7%) ??? ...ollects/racket/private/qq-and-or.rkt:164:21 ------------------------------------------------------------------------------- loop! [137] 49.2% for-loop [166] 50.8% [174] 2056(0.6%) 2056(0.6%) update-en-expr ...evelop/src/core/egraph.rkt:211:0 ------------------------------------------------------------------------------- composed [34] 16.6% hash-ref! [165] 83.4% [175] 2004(0.6%) 0(0.0%) parse-loop12 ...s/racket/match/compiler.rkt:418:15 loop [122] 79.3% append-map [183] 16.6% ??? [58] 4.2% ------------------------------------------------------------------------------- ??? [169] 100.0% [176] 1070(0.3%) 1070(0.3%) unpack242 ...private/arrow-higher-order.rkt:354:44 ------------------------------------------------------------------------------- hash-ref! [165] 100.0% [177] 1002(0.3%) 0(0.0%) simplify ...erbie/develop/src/core/reduce.rkt:15:0 f134 [30] 66.5% debug-print [182] 33.5% ------------------------------------------------------------------------------- hash-ref! [165] 100.0% [178] 1002(0.3%) 0(0.0%) ??? ...es/herbie/develop/src/core/taylor.rkt:43:15 hash-ref! [165] 100.0% ------------------------------------------------------------------------------- loop [170] 3.4% jloop [6] 3.8% ??? [98] 10.0% for-loop [90] 10.3% map [89] 13.9% loop [122] 22.0% ??? [3] 36.7% [179] 9648(3.0%) 3138(1.0%) ->flonum ...s/herbie/develop/src/programs.rkt:37:0 return/no-unsupplied [184] 20.5% ??? [58] 18.8% ??? [42] 7.4% ...velop/src/common.rkt:47:2 [51] 7.1% ??? [185] 6.9% ??? [186] 6.8% ------------------------------------------------------------------------------- bigfloat-hash [172] 100.0% [180] 3470(1.1%) 3470(1.1%) bfcanonicalize .../private/bigfloat/mpfr.rkt:155:0 ------------------------------------------------------------------------------- bigfloat-hash [172] 100.0% [181] 1844(0.6%) 1484(0.5%) sig+exp->bigfloat ...ivate/bigfloat/mpfr.rkt:385:0 integer->mpz [187] 19.5% ------------------------------------------------------------------------------- iterate-egraph!13 [68] 48.9% simplify [177] 51.1% [182] 658(0.2%) 322(0.1%) debug-print .../herbie/develop/src/debug.rkt:107:0 for-loop [188] 51.1% ------------------------------------------------------------------------------- parse-loop12 [175] 20.0% f134 [30] 80.0% [183] 332(0.1%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 f134 [30] 60.0% loop [122] 20.0% free-variables [8] 20.0% ------------------------------------------------------------------------------- ??? [58] 10.8% ??? [115] 11.2% ulp-difference [120] 17.0% ??? [62] 28.7% ->flonum [179] 32.3% [184] 6122(1.9%) 4104(1.3%) return/no-unsupplied ...ct/private/arr-i.rkt:533:0 filter [191] 33.0% ------------------------------------------------------------------------------- ??? [58] 6.9% ->flonum [179] 13.8% ??? [62] 28.1% ??? [115] 51.1% [185] 4810(1.5%) 1022(0.3%) ??? ...racket/collects/racket/private/kw.rkt:761:9 ??? [190] 71.8% ??? [13] 7.0% ------------------------------------------------------------------------------- ->flonum [179] 100.0% [186] 660(0.2%) 326(0.1%) ??? ...-racket/utils/simple-result-arrow.rkt:60:15 ??? [189] 50.6% ------------------------------------------------------------------------------- sig+exp->bigfloat [181] 100.0% [187] 360(0.1%) 360(0.1%) integer->mpz ...math/private/bigfloat/gmp.rkt:87:0 ------------------------------------------------------------------------------- debug-print [182] 100.0% [188] 336(0.1%) 336(0.1%) for-loop ...ies/herbie/develop/src/debug.rkt:113:2 ------------------------------------------------------------------------------- real->bigfloat [119] 3.5% ??? [186] 3.6% bfabs [138] 11.5% bfmul [135] 81.4% [189] 9290(2.9%) 9290(2.9%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ------------------------------------------------------------------------------- ??? [185] 100.0% [190] 3452(1.1%) 3120(1.0%) ??? ...s/racket/contract/private/arr-i.rkt:1233:27 ??? [192] 9.6% ------------------------------------------------------------------------------- return/no-unsupplied [184] 100.0% [191] 2018(0.6%) 2018(0.6%) filter ...t/collects/racket/private/list.rkt:256:2 ------------------------------------------------------------------------------- ??? [190] 100.0% [192] 332(0.1%) 332(0.1%) ??? ...ects/racket/contract/private/prop.rkt:256:4 -------------------------------------------------------------------------------