Profiling results ----------------- Total cpu time observed: 32900ms (out of 33336ms) Number of samples taken: 137 (once every 240ms) (Hiding functions with self<1.0% and local<2.0%: 3 of 101 hidden) ====================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ====================================================================== ??? [41] 100.0% [1] 32900(100.0%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [12] 100.0% ---------------------------------------------------------------------- ??? [41] 100.0% [2] 12744(38.7%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 finalize-table! [14] 56.2% for-loop [17] 42.0% loop [45] 1.9% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [3] 9014(27.4%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 parse-loop50 [66] 58.8% f37 [18] 41.2% ---------------------------------------------------------------------- location-do [79] 100.0% [4] 9014(27.4%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [13] 100.0% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [5] 5942(18.1%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [15] 100.0% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [6] 5702(17.3%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:392:23 for-loop [16] 100.0% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [7] 1554(4.7%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:197:5 loop [61] 100.0% ---------------------------------------------------------------------- ??? [41] 100.0% [8] 1046(3.2%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 iterate-egraph!5 [26] 61.6% for-loop [21] 38.4% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [9] 884(2.7%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:285:26 for-loop [19] 100.0% ---------------------------------------------------------------------- loop [61] 100.0% [10] 602(1.8%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [20] 100.0% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [11] 200(0.6%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:483:23 for-loop [22] 100.0% ---------------------------------------------------------------------- profile-thunk14 [1] 100.0% [12] 32900(100.0%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [41] 100.0% ---------------------------------------------------------------------- approximate9 [4] 100.0% [13] 9014(27.4%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [77] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [14] 7156(21.8%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [23] 100.0% ---------------------------------------------------------------------- ??? [5] 100.0% [15] 5942(18.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [77] 100.0% ---------------------------------------------------------------------- ??? [6] 100.0% [16] 5702(17.3%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:396:33 for-loop [24] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [17] 5348(16.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [25] 100.0% ---------------------------------------------------------------------- append-map [36] 1.1% composed [59] 1.1% map [58] 1.1% hash-ref! [77] 8.7% loop [61] 9.3% parse-loop50 [66] 15.2% simplify [3] 63.6% [18] 4722(14.4%) 1042(3.2%) f37 ...t/collects/racket/match/compiler.rkt:499:40 map [58] 72.9% combine-mterms [27] 4.2% append-map [36] 2.1% composed [59] 1.1% ---------------------------------------------------------------------- ??? [9] 100.0% [19] 884(2.7%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:285:52 hash-ref! [77] 100.0% ---------------------------------------------------------------------- completely-simplify-alt [10] 100.0% [20] 602(1.8%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [26] 100.0% ---------------------------------------------------------------------- simplify [8] 100.0% [21] 402(1.2%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [26] 100.0% ---------------------------------------------------------------------- ??? [11] 100.0% [22] 200(0.6%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:487:35 parse-loop50 [66] 100.0% ---------------------------------------------------------------------- finalize-table! [14] 100.0% [23] 7156(21.8%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 for-loop [28] 85.9% loop [61] 8.4% ??? [38] 2.8% localize-error [34] 2.8% ---------------------------------------------------------------------- for-loop [16] 100.0% [24] 5702(17.3%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:398:39 hash-ref! [77] 100.0% ---------------------------------------------------------------------- for-loop [17] 100.0% [25] 5348(16.3%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 gen-series! [29] 57.3% simplify! [31] 19.6% finalize-iter! [32] 11.4% choose-best-alt! [33] 7.8% localize-error [34] 3.9% ---------------------------------------------------------------------- for-loop [21] 24.4% simplify-expr [20] 36.5% simplify [8] 39.1% [26] 1648(5.0%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [30] 86.5% map-enodes [35] 13.5% ---------------------------------------------------------------------- f37 [18] 100.0% [27] 198(0.6%) 198(0.6%) combine-mterms ...herbie/src/core/reduce.rkt:182:0 ---------------------------------------------------------------------- post-process [23] 100.0% [28] 6150(18.7%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [36] 100.0% ---------------------------------------------------------------------- run-iter! [25] 100.0% [29] 3064(9.3%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [37] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [26] 100.0% [30] 1426(4.3%) 422(1.3%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [40] 70.4% ---------------------------------------------------------------------- run-iter! [25] 100.0% [31] 1046(3.2%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [39] 100.0% ---------------------------------------------------------------------- run-iter! [25] 100.0% [32] 612(1.9%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [38] 100.0% ---------------------------------------------------------------------- run-iter! [25] 100.0% [33] 418(1.3%) 0(0.0%) choose-best-alt! .../herbie/src/mainloop.rkt:120:0 ??? [38] 100.0% ---------------------------------------------------------------------- post-process [23] 49.3% run-iter! [25] 50.7% [34] 410(1.2%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [77] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [26] 100.0% [35] 222(0.7%) 0(0.0%) map-enodes ...ock/herbie/src/core/egraph.rkt:139:0 loop [61] 100.0% ---------------------------------------------------------------------- f37 [18] 2.2% for-loop [28] 97.8% [36] 6150(18.7%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [65] 72.0% loop [61] 25.9% f37 [18] 1.1% ---------------------------------------------------------------------- gen-series! [29] 100.0% [37] 3064(9.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [65] 100.0% ---------------------------------------------------------------------- post-process [23] 16.4% choose-best-alt! [33] 33.9% finalize-iter! [32] 49.7% [38] 1232(3.7%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [42] 66.1% atab-pick-alt8 [44] 33.9% ---------------------------------------------------------------------- simplify! [31] 100.0% [39] 1046(3.2%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [41] 100.0% ---------------------------------------------------------------------- for-loop [40] 50.0% one-iter [30] 50.0% [40] 1004(3.1%) 402(1.2%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [40] 50.0% match-e [43] 30.0% ---------------------------------------------------------------------- for-loop [39] 1.1% run [12] 49.5% [41] 32900(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 49.5% loop [45] 30.6% run-improve58 [2] 18.8% simplify [8] 1.1% ---------------------------------------------------------------------- ??? [38] 100.0% [42] 814(2.5%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [46] 100.0% ---------------------------------------------------------------------- for-loop [40] 100.0% [43] 602(1.8%) 402(1.2%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [48] 33.2% ---------------------------------------------------------------------- ??? [38] 100.0% [44] 418(1.3%) 0(0.0%) atab-pick-alt8 ...rbie/src/core/alt-table.rkt:54:0 ??? [47] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 1.2% ??? [41] 98.8% [45] 20396(62.0%) 216(0.7%) loop /home/ztatlock/herbie/src/points.rkt:122:2 loop [49] 53.7% make-exacts* [53] 37.5% loop [54] 7.8% ---------------------------------------------------------------------- for-loop [42] 100.0% [46] 814(2.5%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [50] 100.0% ---------------------------------------------------------------------- atab-pick-alt8 [44] 100.0% [47] 418(1.3%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:369:33 best-alt [51] 100.0% ---------------------------------------------------------------------- match-e [43] 100.0% [48] 200(0.6%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [52] 100.0% ---------------------------------------------------------------------- loop [45] 100.0% [49] 10954(33.3%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 make-exacts* [53] 44.1% loop [54] 41.9% eval-prog [67] 14.0% ---------------------------------------------------------------------- atab-add-altn [46] 100.0% [50] 814(2.5%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [62] 100.0% ---------------------------------------------------------------------- ??? [47] 100.0% [51] 418(1.3%) 0(0.0%) best-alt /home/ztatlock/herbie/src/glue.rkt:79:0 argmins [55] 52.2% loop [57] 47.8% ---------------------------------------------------------------------- for-loop [48] 100.0% [52] 200(0.6%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 ??? [56] 100.0% ---------------------------------------------------------------------- loop [49] 38.7% loop [45] 61.3% [53] 12472(37.9%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [58] 48.7% loop [61] 47.5% eval-prog [67] 3.8% ---------------------------------------------------------------------- loop [45] 25.7% loop [49] 74.3% [54] 6172(18.8%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [58] 100.0% ---------------------------------------------------------------------- best-alt [51] 100.0% [55] 218(0.7%) 0(0.0%) argmins /home/ztatlock/herbie/src/common.rkt:85:0 composed [59] 100.0% ---------------------------------------------------------------------- for-loop [52] 100.0% [56] 200(0.6%) 0(0.0%) ??? /home/ztatlock/herbie/src/core/ematch.rkt:50:5 for-loop [60] 100.0% ---------------------------------------------------------------------- best-alt [51] 100.0% [57] 200(0.6%) 0(0.0%) loop /home/ztatlock/herbie/src/common.rkt:86:2 composed [59] 100.0% ---------------------------------------------------------------------- ??? [63] 0.4% parse-loop50 [66] 9.3% f37 [18] 20.2% make-exacts* [53] 34.8% loop [54] 35.4% [58] 17442(53.0%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [61] 72.5% parse-loop50 [66] 22.2% ->flonum [81] 1.7% ??? [70] 1.5% f37 [18] 1.2% ??? [63] 1.0% ---------------------------------------------------------------------- loop [57] 32.3% f37 [18] 32.6% argmins [55] 35.2% [59] 620(1.9%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [62] 67.4% f37 [18] 32.6% ---------------------------------------------------------------------- ??? [56] 100.0% [60] 200(0.6%) 0(0.0%) for-loop ...atlock/herbie/src/core/ematch.rkt:51:7 constant? [64] 100.0% ---------------------------------------------------------------------- make-exacts* [53] 0.2% map-enodes [35] 0.3% post-process [23] 0.5% map [58] 3.5% append-map [36] 4.8% ??? [7] 6.1% parse-loop50 [66] 9.6% loop [61] 74.8% [61] 25400(77.2%) 208(0.6%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [61] 74.8% parse-loop50 [66] 9.6% hash-ref! [77] 6.1% taylor-alt [65] 4.8% f37 [18] 2.2% ??? [70] 1.2% completely-simplify-alt [10] 0.5% ??? [63] 0.4% for-loop [69] 0.3% ->flonum [81] 0.0% ---------------------------------------------------------------------- composed [59] 33.9% best-and-tied-at-points [50] 66.1% [62] 1232(3.7%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [68] 82.3% eval-prog [67] 17.7% ---------------------------------------------------------------------- map [58] 41.8% loop [61] 58.2% [63] 410(1.2%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [77] 83.6% map [58] 16.4% ---------------------------------------------------------------------- for-loop [60] 100.0% [64] 200(0.6%) 200(0.6%) constant? ...ck/herbie/src/syntax/syntax.rkt:221:0 ---------------------------------------------------------------------- loop [61] 17.3% for-loop [37] 33.3% append-map [36] 49.5% [65] 9214(28.0%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [71] 100.0% ---------------------------------------------------------------------- for-loop [22] 2.2% hash-ref! [77] 4.6% loop [61] 11.0% simplify [3] 25.3% map [58] 27.1% parse-loop50 [66] 29.9% [66] 9000(27.4%) 7150(21.7%) parse-loop50 ...s/racket/match/compiler.rkt:410:15 parse-loop50 [66] 29.9% loop [61] 18.7% f37 [18] 4.7% map [58] 4.4% parse-app [72] 3.6% for-loop [76] 2.2% ---------------------------------------------------------------------- errors [62] 9.8% make-exacts* [53] 21.3% loop [49] 68.9% [67] 2228(6.8%) 218(0.7%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 hash-ref! [77] 69.7% inductor [90] 10.8% ??? [74] 9.7% ---------------------------------------------------------------------- errors [62] 100.0% [68] 1014(3.1%) 200(0.6%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [70] 59.4% ??? [75] 20.9% ---------------------------------------------------------------------- loop [61] 100.0% [69] 222(0.7%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 eval-const-expr [73] 100.0% ---------------------------------------------------------------------- map [58] 1.5% for-loop [68] 3.4% loop [61] 95.1% [70] 17838(54.2%) 1498(4.6%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [78] 59.2% ??? [91] 15.2% real->bigfloat [80] 14.6% ->flonum [81] 1.1% ---------------------------------------------------------------------- taylor-alt [65] 100.0% [71] 9214(28.0%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [79] 100.0% ---------------------------------------------------------------------- parse-loop50 [66] 100.0% [72] 422(1.3%) 422(1.3%) parse-app .../collects/racket/private/kw.rkt:903:2 ---------------------------------------------------------------------- for-loop [69] 100.0% [73] 222(0.7%) 0(0.0%) eval-const-expr ...k/herbie/src/programs.rkt:180:0 expression-induct31 [82] 100.0% ---------------------------------------------------------------------- eval-prog [67] 100.0% [74] 216(0.7%) 0(0.0%) ??? ...collects/racket/private/qq-and-or.rkt:155:9 ??? [83] 100.0% ---------------------------------------------------------------------- for-loop [68] 100.0% [75] 212(0.6%) 212(0.6%) ??? ...ket/collects/racket/private/for.rkt:1150:14 ---------------------------------------------------------------------- parse-loop50 [66] 100.0% [76] 200(0.6%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:490:59 hash-ref! [77] 100.0% ---------------------------------------------------------------------- for-loop [76] 0.3% localize-error [34] 1.2% for-loop [19] 1.7% ??? [63] 2.5% eval-prog [67] 5.8% loop [61] 8.4% ??? [86] 10.5% for-loop [24] 10.8% for-loop [15] 13.3% ??? [85] 21.9% loop [13] 21.9% [77] 10978(33.4%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [85] 21.9% simplify [3] 21.9% ??? [5] 13.3% ??? [6] 10.8% ??? [86] 10.5% ??? [7] 8.4% bigfloat-hash [87] 5.8% f37 [18] 2.5% ??? [9] 1.7% parse-loop50 [66] 1.2% ??? [11] 0.3% ---------------------------------------------------------------------- ??? [70] 100.0% [78] 10562(32.1%) 200(0.6%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [84] 91.8% ...higher-order.rkt:373:33 [89] 4.4% ??? [88] 1.9% ---------------------------------------------------------------------- for-loop [71] 41.0% location-do [79] 59.0% [79] 9214(28.0%) 200(0.6%) location-do ...tlock/herbie/src/programs.rkt:129:0 location-do [79] 59.0% approximate9 [4] 39.9% ---------------------------------------------------------------------- ??? [70] 100.0% [80] 2606(7.9%) 1680(5.1%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [96] 35.5% ---------------------------------------------------------------------- ??? [70] 15.1% map [58] 32.1% loop [61] 52.8% [81] 1338(4.1%) 442(1.3%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [88] 33.9% ??? [95] 33.0% ---------------------------------------------------------------------- eval-const-expr [73] 100.0% [82] 222(0.7%) 0(0.0%) expression-induct31 ...erbie/src/programs.rkt:55:0 inductor [90] 100.0% ---------------------------------------------------------------------- ??? [74] 100.0% [83] 216(0.7%) 216(0.7%) ??? ...ollects/racket/private/qq-and-or.rkt:164:21 ---------------------------------------------------------------------- ??? [78] 100.0% [84] 9696(29.5%) 2024(6.2%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfsub [92] 29.8% bfsqr [93] 27.0% ??? [95] 22.3% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [85] 9014(27.4%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [77] 100.0% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [86] 4284(13.0%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:357:30 hash-ref! [77] 100.0% ---------------------------------------------------------------------- hash-ref! [77] 100.0% [87] 1554(4.7%) 0(0.0%) bigfloat-hash ...h/private/bigfloat/mpfr.rkt:165:0 sig+exp->bigfloat [94] 100.0% ---------------------------------------------------------------------- ??? [78] 30.6% ->flonum [81] 69.4% [88] 654(2.0%) 654(2.0%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ---------------------------------------------------------------------- ??? [78] 100.0% [89] 466(1.4%) 0(0.0%) ...higher-order.rkt:373:33 (unknown source) ??? [91] 100.0% ---------------------------------------------------------------------- eval-prog [67] 17.3% expression-induct31 [82] 24.0% inductor [90] 58.7% [90] 462(1.4%) 240(0.7%) inductor .../ztatlock/herbie/src/programs.rkt:73:2 inductor [90] 58.7% ??? [91] 24.0% ---------------------------------------------------------------------- inductor [90] 6.5% ...higher-order.rkt:373:33 [89] 13.7% ??? [70] 79.8% [91] 3398(10.3%) 234(0.7%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [95] 93.1% ---------------------------------------------------------------------- ??? [84] 100.0% [92] 2890(8.8%) 1708(5.2%) bfsub ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [96] 40.9% ---------------------------------------------------------------------- ??? [84] 100.0% [93] 2622(8.0%) 1656(5.0%) bfsqr ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [96] 36.8% ---------------------------------------------------------------------- bigfloat-hash [87] 100.0% [94] 1554(4.7%) 1554(4.7%) sig+exp->bigfloat ...ivate/bigfloat/mpfr.rkt:385:0 ---------------------------------------------------------------------- ->flonum [81] 7.7% ??? [84] 37.5% ??? [91] 54.9% [95] 5766(17.5%) 2960(9.0%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [97] 48.7% ---------------------------------------------------------------------- real->bigfloat [80] 30.1% bfsqr [93] 31.4% bfsub [92] 38.5% [96] 3074(9.3%) 3074(9.3%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ---------------------------------------------------------------------- ??? [95] 100.0% [97] 2806(8.5%) 1772(5.4%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [98] 36.8% ---------------------------------------------------------------------- ??? [97] 100.0% [98] 1034(3.1%) 1034(3.1%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ----------------------------------------------------------------------