Profiling results ----------------- Total cpu time observed: 13290ms (out of 13516ms) Number of samples taken: 55 (once every 242ms) ==================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ==================================================================== ??? [13] 100.0% [1] 12870(96.8%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [8] 100.0% -------------------------------------------------------------------- post-process [28] 17.3% loop [74] 82.7% [2] 1284(9.7%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [9] 100.0% -------------------------------------------------------------------- f6 [66] 100.0% [3] 222(1.7%) 0(0.0%) loop .../ztatlock/herbie/src/core/taylor.rkt:262:2 hash-ref! [61] 100.0% -------------------------------------------------------------------- match-e [31] 100.0% [4] 220(1.7%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [10] 100.0% -------------------------------------------------------------------- f6 [66] 100.0% [5] 218(1.6%) 0(0.0%) taylor-log ...ock/herbie/src/core/taylor.rkt:476:0 simplify [65] 100.0% -------------------------------------------------------------------- hash-ref! [61] 100.0% [6] 200(1.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [12] 100.0% -------------------------------------------------------------------- hash-ref! [61] 100.0% [7] 200(1.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:392:23 for-loop [11] 100.0% -------------------------------------------------------------------- profile-thunk14 [1] 98.3% [8] 13092(98.5%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [13] 100.0% -------------------------------------------------------------------- simplify [77] 40.0% completely-simplify-alt [2] 60.0% [9] 2140(16.1%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [14] 89.8% loop [87] 10.2% -------------------------------------------------------------------- for-loop [4] 50.0% match-e [31] 50.0% [10] 440(3.3%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [31] 100.0% -------------------------------------------------------------------- ??? [7] 100.0% [11] 200(1.5%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:396:33 for-loop [15] 100.0% -------------------------------------------------------------------- ??? [6] 100.0% [12] 200(1.5%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [61] 100.0% -------------------------------------------------------------------- for-loop [44] 3.6% run [8] 48.7% [13] 13290(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 47.0% run-improve58 [16] 24.9% loop [17] 24.5% simplify [77] 3.6% -------------------------------------------------------------------- simplify [77] 19.3% simplify-expr [9] 80.7% [14] 2382(17.9%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [18] 71.3% map-enodes [19] 28.7% -------------------------------------------------------------------- for-loop [11] 100.0% [15] 200(1.5%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:398:39 hash-ref! [61] 100.0% -------------------------------------------------------------------- ??? [13] 100.0% [16] 6776(51.0%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 finalize-table! [20] 53.3% for-loop [21] 38.7% setup-prog [24] 4.8% get-final-combination [26] 3.2% -------------------------------------------------------------------- ??? [13] 100.0% [17] 6514(49.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [27] 60.1% loop [22] 39.9% -------------------------------------------------------------------- iterate-egraph!5 [14] 100.0% [18] 1698(12.8%) 0(0.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [23] 75.4% loop [25] 13.0% apply-match [33] 11.7% -------------------------------------------------------------------- iterate-egraph!5 [14] 100.0% [19] 684(5.1%) 0(0.0%) map-enodes ...ock/herbie/src/core/egraph.rkt:139:0 loop [74] 100.0% -------------------------------------------------------------------- run-improve58 [16] 100.0% [20] 3612(27.2%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [28] 100.0% -------------------------------------------------------------------- run-improve58 [16] 100.0% [21] 2622(19.7%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [29] 100.0% -------------------------------------------------------------------- loop [17] 100.0% [22] 2598(19.5%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [30] 55.0% make-exacts* [27] 26.9% eval-prog [32] 18.1% -------------------------------------------------------------------- for-loop [23] 50.0% one-iter [18] 50.0% [23] 1280(9.6%) 200(1.5%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [23] 50.0% match-e [31] 42.2% -------------------------------------------------------------------- run-improve58 [16] 100.0% [24] 324(2.4%) 0(0.0%) setup-prog /home/ztatlock/herbie/src/glue.rkt:46:0 simplify-alt [34] 100.0% -------------------------------------------------------------------- one-iter [18] 100.0% [25] 220(1.7%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [33] 100.0% -------------------------------------------------------------------- run-improve58 [16] 100.0% [26] 218(1.6%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 extract-alt [35] 100.0% -------------------------------------------------------------------- loop [22] 15.2% loop [17] 84.8% [27] 4616(34.7%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [68] 55.5% loop [74] 44.5% -------------------------------------------------------------------- finalize-table! [20] 100.0% [28] 3612(27.2%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 for-loop [36] 36.8% loop [74] 34.9% ??? [45] 11.1% localize-error [38] 11.1% completely-simplify-alt [2] 6.1% -------------------------------------------------------------------- for-loop [21] 100.0% [29] 2622(19.7%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [37] 50.3% finalize-iter! [39] 26.1% gen-series! [40] 15.9% localize-error [38] 7.6% -------------------------------------------------------------------- loop [22] 100.0% [30] 1428(10.7%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [68] 100.0% -------------------------------------------------------------------- for-loop [10] 20.4% for-loop [23] 79.6% [31] 1080(8.1%) 1080(8.1%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [10] 10.2% for-loop [4] 10.2% -------------------------------------------------------------------- loop [22] 100.0% [32] 470(3.5%) 0(0.0%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 parse-lambda [41] 50.6% inductor [93] 49.4% -------------------------------------------------------------------- one-iter [18] 47.4% loop [25] 52.6% [33] 418(3.1%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 for-loop [42] 52.6% mk-enode! [92] 47.4% -------------------------------------------------------------------- setup-prog [24] 100.0% [34] 324(2.4%) 0(0.0%) simplify-alt .../ztatlock/herbie/src/glue.rkt:84:0 simplify [77] 100.0% -------------------------------------------------------------------- get-final-combination [26] 100.0% [35] 218(1.6%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:57:0 loop [74] 100.0% -------------------------------------------------------------------- post-process [28] 100.0% [36] 1328(10.0%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [43] 100.0% -------------------------------------------------------------------- run-iter! [29] 100.0% [37] 1320(9.9%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [44] 100.0% -------------------------------------------------------------------- run-iter! [29] 25.0% loop [74] 25.0% post-process [28] 50.0% [38] 800(6.0%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [61] 100.0% -------------------------------------------------------------------- run-iter! [29] 100.0% [39] 684(5.1%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [45] 100.0% -------------------------------------------------------------------- run-iter! [29] 100.0% [40] 418(3.1%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [46] 100.0% -------------------------------------------------------------------- eval-prog [32] 100.0% [41] 238(1.8%) 238(1.8%) parse-lambda ...llects/racket/private/kw.rkt:393:2 -------------------------------------------------------------------- apply-match [33] 100.0% [42] 220(1.7%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:136:10 merge-egraph-nodes! [47] 100.0% -------------------------------------------------------------------- f6 [66] 13.9% for-loop [36] 86.1% [43] 1328(10.0%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [48] 86.1% f6 [66] 11.1% loop [50] 2.8% -------------------------------------------------------------------- simplify! [37] 100.0% [44] 1320(9.9%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [13] 100.0% -------------------------------------------------------------------- post-process [28] 36.9% finalize-iter! [39] 63.1% [45] 1084(8.2%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [49] 100.0% -------------------------------------------------------------------- gen-series! [40] 100.0% [46] 418(3.1%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [48] 100.0% -------------------------------------------------------------------- for-loop [42] 100.0% [47] 220(1.7%) 0(0.0%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 update-leader! [51] 100.0% -------------------------------------------------------------------- for-loop [46] 23.9% append-map [43] 76.1% [48] 1746(13.1%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [52] 100.0% -------------------------------------------------------------------- ??? [45] 100.0% [49] 1084(8.2%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [53] 100.0% -------------------------------------------------------------------- append-map [43] 100.0% [50] 222(1.7%) 222(1.7%) loop ...are/racket/collects/racket/list.rkt:414:34 -------------------------------------------------------------------- merge-egraph-nodes! [47] 100.0% [51] 220(1.7%) 220(1.7%) update-leader! ...herbie/src/core/egraph.rkt:217:0 -------------------------------------------------------------------- taylor-alt [48] 100.0% [52] 1746(13.1%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [54] 100.0% -------------------------------------------------------------------- for-loop [49] 100.0% [53] 1084(8.2%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [55]100.0% -------------------------------------------------------------------- location-do [54] 16.9% for-loop [52] 83.1% [54] 1746(13.1%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [56] 70.4% location-do [54] 16.9% ??? [58] 12.7% -------------------------------------------------------------------- atab-add-altn [53] 100.0% [55] 1084(8.2%) 222(1.7%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [57] 79.5% -------------------------------------------------------------------- location-do [54] 100.0% [56] 1524(11.5%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [59] 62.1% f6 [66] 37.9% -------------------------------------------------------------------- best-and-tied-at-points [55]100.0% [57] 862(6.5%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [60] 100.0% -------------------------------------------------------------------- location-do [54] 100.0% [58] 222(1.7%) 0(0.0%) ??? /home/ztatlock/herbie/src/glue.rkt:150:33 f6 [66] 100.0% -------------------------------------------------------------------- approximate9 [56] 100.0% [59] 946(7.1%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [61] 100.0% -------------------------------------------------------------------- errors [57] 100.0% [60] 862(6.5%) 200(1.5%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [76] 76.8% -------------------------------------------------------------------- for-loop [12] 2.0% for-loop [15] 2.0% ??? [63] 4.6% loop [3] 11.3% ??? [62] 17.1% ??? [78] 18.6% localize-error [38] 22.0% loop [59] 22.3% [61] 1968(14.8%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 simplify [65] 26.0% parse-loop50 [71] 22.0% f6 [66] 21.0% ??? [62] 17.1% taylor-exp [64] 5.1% ??? [63] 4.6% ??? [7] 2.0% ??? [6] 2.0% -------------------------------------------------------------------- hash-ref! [61] 100.0% [62] 746(5.6%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [61] 100.0% -------------------------------------------------------------------- hash-ref! [61] 100.0% [63] 402(3.0%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [61] 100.0% -------------------------------------------------------------------- hash-ref! [61] 100.0% [64] 202(1.5%) 0(0.0%) taylor-exp ...ock/herbie/src/core/taylor.rkt:386:0 simplify [65] 100.0% -------------------------------------------------------------------- loop [74] 10.0% taylor-exp [64] 14.6% taylor-log [5] 15.8% hash-ref! [61] 59.6% [65] 1382(10.4%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f6 [66] 60.9% debug-print [67] 14.6% parse-loop50 [71] 14.5% ??? [72] 10.0% -------------------------------------------------------------------- ??? [58] 2.3% ??? [78] 3.5% append-map [43] 9.1% approximate9 [56] 11.1% map [68] 15.8% simplify [65] 20.0% hash-ref! [61] 38.2% [66] 1944(14.6%) 364(2.7%) f6 ...et/collects/racket/match/compiler.rkt:499:40 map [68] 64.3% append-map [43] 11.4% loop [3] 3.8% taylor-log [5] 3.7% loop [74] 3.5% combine-mterms [70] 2.1% -------------------------------------------------------------------- simplify [65] 100.0% [67] 202(1.5%) 0(0.0%) debug-print ...ztatlock/herbie/src/debug.rkt:107:0 for-loop [69] 100.0% -------------------------------------------------------------------- loop [30] 25.6% f6 [66] 28.4% make-exacts* [27] 46.0% [68] 5570(41.9%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [74] 78.8% f6 [66] 9.5% ??? [78] 6.1% parse-loop50 [71] 3.6% ??? [72] 2.0% -------------------------------------------------------------------- debug-print [67] 100.0% [69] 202(1.5%) 202(1.5%) for-loop /home/ztatlock/herbie/src/debug.rkt:113:2 -------------------------------------------------------------------- f6 [66] 100.0% [70] 200(1.5%) 0(0.0%) combine-mterms ...herbie/src/core/reduce.rkt:182:0 for-loop [73] 100.0% -------------------------------------------------------------------- simplify [65] 20.0% map [68] 20.2% hash-ref! [61] 59.9% [71] 1002(7.5%) 402(3.0%) parse-loop50 ...s/racket/match/compiler.rkt:410:15 loop [74] 59.9% -------------------------------------------------------------------- simplify [65] 38.8% map [68] 61.2% [72] 356(2.7%) 0(0.0%) ??? /home/ztatlock/herbie/src/core/reduce.rkt:52:5 for-loop [75] 100.0% -------------------------------------------------------------------- combine-mterms [70] 100.0% [73] 200(1.5%) 200(1.5%) for-loop ...tlock/herbie/src/core/reduce.rkt:186:5 -------------------------------------------------------------------- make-exacts* [27] 0.0% map [68] 0.3% parse-loop50 [71] 0.4% f6 [66] 1.6% post-process [28] 1.7% map-enodes [19] 1.8% extract-alt [35] 2.5% loop [74] 91.7% [74] 8744(65.8%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [74] 91.7% simplify [77] 2.5% completely-simplify-alt [2] 1.7% simplify [65] 1.6% for-loop [79] 1.1% curried [81] 0.6% ??? [86] 0.3% ??? [76] 0.2% ??? [78] 0.2% localize-error [38] 0.0% -------------------------------------------------------------------- ??? [72] 100.0% [75] 356(2.7%) 0(0.0%) for-loop ...atlock/herbie/src/core/reduce.rkt:53:7 pattern-match [80] 100.0% -------------------------------------------------------------------- for-loop [60] 9.9% loop [74] 90.1% [76] 6706(50.5%) 288(2.2%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [82] 52.5% real->bigfloat [96] 43.2% -------------------------------------------------------------------- loop [74] 11.7% simplify-alt [34] 17.4% ??? [13] 70.9% [77] 1862(14.0%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [9] 46.0% iterate-egraph!5 [14] 24.7% mk-egraph [84] 17.4% for-loop [85] 11.9% -------------------------------------------------------------------- loop [74] 48.8% map [68] 51.2% [78] 738(5.6%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [61] 81.3% f6 [66] 18.7% -------------------------------------------------------------------- loop [74] 100.0% [79] 462(3.5%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 eval-const-expr [83] 100.0% -------------------------------------------------------------------- for-loop [75] 100.0% [80] 356(2.7%) 356(2.7%) pattern-match .../herbie/src/core/matcher.rkt:47:0 -------------------------------------------------------------------- loop [74] 100.0% [81] 222(1.7%) 222(1.7%) curried ...cket/collects/racket/function.rkt:71:18 -------------------------------------------------------------------- ??? [76] 100.0% [82] 3522(26.5%) 662(5.0%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [86] 81.2% -------------------------------------------------------------------- for-loop [79] 100.0% [83] 462(3.5%) 202(1.5%) eval-const-expr ...k/herbie/src/programs.rkt:180:0 expression-induct31 [89] 56.3% -------------------------------------------------------------------- simplify [77] 100.0% [84] 324(2.4%) 0(0.0%) mk-egraph ...lock/herbie/src/core/egraph.rkt:123:0 expr->enode [88] 100.0% -------------------------------------------------------------------- simplify [77] 100.0% [85] 222(1.7%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 loop [87] 100.0% -------------------------------------------------------------------- loop [74] 21.9% ??? [82] 78.1% [86] 3660(27.5%) 600(4.5%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfadd [90] 59.1% ??? [91] 19.1% bfsqr [95] 5.5% -------------------------------------------------------------------- simplify-expr [9] 49.5% for-loop [85] 50.5% [87] 440(3.3%) 0(0.0%) loop ...tatlock/herbie/src/core/simplify.rkt:203:2 pass [94] 100.0% -------------------------------------------------------------------- mk-egraph [84] 100.0% [88] 324(2.4%) 0(0.0%) expr->enode ...ck/herbie/src/core/egraph.rkt:124:2 mk-enode! [92] 100.0% -------------------------------------------------------------------- eval-const-expr [83] 100.0% [89] 260(2.0%) 0(0.0%) expression-induct31 ...erbie/src/programs.rkt:55:0 inductor [93] 100.0% -------------------------------------------------------------------- ??? [86] 100.0% [90] 2162(16.3%) 478(3.6%) bfadd ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [100] 77.9% -------------------------------------------------------------------- ??? [86] 100.0% [91] 698(5.3%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [97] 100.0% -------------------------------------------------------------------- apply-match [33] 37.9% expr->enode [88] 62.1% [92] 522(3.9%) 198(1.5%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 new-enode [98] 62.1% -------------------------------------------------------------------- eval-prog [32] 11.8% expression-induct31 [89] 26.4% inductor [93] 61.8% [93] 492(3.7%) 0(0.0%) inductor .../ztatlock/herbie/src/programs.rkt:73:2 inductor [93] 61.8% real->bigfloat [96] 38.2% -------------------------------------------------------------------- loop [87] 100.0% [94] 440(3.3%) 222(1.7%) pass ...tatlock/herbie/src/core/simplify.rkt:193:2 for-loop [99] 49.5% -------------------------------------------------------------------- ??? [86] 100.0% [95] 200(1.5%) 0(0.0%) bfsqr ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [100] 100.0% -------------------------------------------------------------------- inductor [93] 14.5% ??? [76] 85.5% [96] 3388(25.5%) 2890(21.7%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [100] 14.7% -------------------------------------------------------------------- ??? [91] 100.0% [97] 698(5.3%) 472(3.6%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [102] 32.4% -------------------------------------------------------------------- mk-enode! [92] 100.0% [98] 324(2.4%) 0(0.0%) new-enode ...atlock/herbie/src/core/enode.rkt:68:0 check-valid-enode5 [101] 100.0% -------------------------------------------------------------------- pass [94] 100.0% [99] 218(1.6%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:196:29 for-loop [103] 100.0% -------------------------------------------------------------------- bfsqr [95] 8.4% real->bigfloat [96] 20.9% bfadd [90] 70.7% [100] 2382(17.9%) 2382(17.9%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 -------------------------------------------------------------------- new-enode [98] 100.0% [101] 324(2.4%) 324(2.4%) check-valid-enode5 ...bie/src/core/enode.rkt:177:0 -------------------------------------------------------------------- ??? [97] 100.0% [102] 226(1.7%) 226(1.7%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 -------------------------------------------------------------------- for-loop [99] 100.0% [103] 218(1.6%) 218(1.6%) for-loop ...ck/herbie/src/core/simplify.rkt:183:13 --------------------------------------------------------------------