Profiling results ----------------- Total cpu time observed: 28848ms (out of 29252ms) Number of samples taken: 128 (once every 225ms) ====================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ====================================================================== ??? [36] 100.0% [1] 27688(96.0%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [7] 100.0% ---------------------------------------------------------------------- ??? [36] 100.0% [2] 14862(51.5%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 for-loop [8] 94.4% get-final-combination [11] 3.0% setup-prog [14] 1.3% loop [41] 1.3% ---------------------------------------------------------------------- simplify-alt [19] 1.5% loop [71] 1.6% ??? [36] 96.9% [3] 13398(46.4%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [9] 56.4% for-loop [10] 30.0% iterate-egraph!5 [16] 13.6% ---------------------------------------------------------------------- hash-ref! [73] 100.0% [4] 220(0.8%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:285:26 for-loop [12] 100.0% ---------------------------------------------------------------------- hash-ref! [73] 100.0% [5] 220(0.8%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f94 [80] 100.0% ---------------------------------------------------------------------- hash-ref! [73] 100.0% [6] 220(0.8%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [13] 100.0% ---------------------------------------------------------------------- profile-thunk14 [1] 100.0% [7] 27688(96.0%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [36] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [8] 14028(48.6%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [15] 100.0% ---------------------------------------------------------------------- simplify [3] 100.0% [9] 7550(26.2%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [16] 97.6% loop [20] 2.4% ---------------------------------------------------------------------- simplify [3] 100.0% [10] 4026(14.0%) 318(1.1%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [16] 92.1% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [11] 440(1.5%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:269:0 extract-alt [17] 100.0% ---------------------------------------------------------------------- ??? [4] 100.0% [12] 220(0.8%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:285:52 ??? [18] 50.0% hash-ref! [73] 50.0% ---------------------------------------------------------------------- ??? [6] 100.0% [13] 220(0.8%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [73] 100.0% ---------------------------------------------------------------------- run-improve58 [2] 100.0% [14] 198(0.7%) 0(0.0%) setup-prog /home/ztatlock/herbie/src/glue.rkt:46:0 simplify-alt [19] 100.0% ---------------------------------------------------------------------- for-loop [8] 100.0% [15] 14028(48.6%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [21] 92.5% finalize-iter! [23] 4.5% gen-series! [25] 3.0% ---------------------------------------------------------------------- simplify [3] 14.1% for-loop [10] 28.7% simplify-expr [9] 57.1% [16] 12902(44.7%) 178(0.6%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [22] 93.9% map-enodes [24] 4.7% ---------------------------------------------------------------------- get-final-combination [11] 100.0% [17] 440(1.5%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:57:0 loop [26] 50.0% loop [71] 50.0% ---------------------------------------------------------------------- for-loop [12] 100.0% [18] 220(0.8%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:288:19 hash-ref! [73] 100.0% ---------------------------------------------------------------------- setup-prog [14] 100.0% [19] 198(0.7%) 0(0.0%) simplify-alt .../ztatlock/herbie/src/glue.rkt:84:0 simplify [3] 100.0% ---------------------------------------------------------------------- simplify-expr [9] 100.0% [20] 178(0.6%) 0(0.0%) loop ...tatlock/herbie/src/core/simplify.rkt:203:2 pass [27] 100.0% ---------------------------------------------------------------------- run-iter! [15] 100.0% [21] 12980(45.0%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [28] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [16] 100.0% [22] 12118(42.0%) 200(0.7%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 loop [29] 50.4% for-loop [30] 39.4% apply-match [37] 5.3% loop [33] 3.2% ---------------------------------------------------------------------- run-iter! [15] 100.0% [23] 628(2.2%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [31] 100.0% ---------------------------------------------------------------------- iterate-egraph!5 [16] 100.0% [24] 606(2.1%) 0(0.0%) map-enodes ...ock/herbie/src/core/egraph.rkt:139:0 loop [71] 100.0% ---------------------------------------------------------------------- run-iter! [15] 100.0% [25] 420(1.5%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [32] 100.0% ---------------------------------------------------------------------- extract-alt [17] 100.0% [26] 220(0.8%) 0(0.0%) loop /home/ztatlock/herbie/src/common.rkt:86:2 errors-score [34] 100.0% ---------------------------------------------------------------------- loop [20] 100.0% [27] 178(0.6%) 0(0.0%) pass ...tatlock/herbie/src/core/simplify.rkt:193:2 for-loop [35] 100.0% ---------------------------------------------------------------------- simplify! [21] 100.0% [28] 12980(45.0%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [36] 100.0% ---------------------------------------------------------------------- one-iter [22] 100.0% [29] 6110(21.2%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [37] 100.0% ---------------------------------------------------------------------- for-loop [30] 50.0% one-iter [22] 50.0% [30] 4778(16.6%) 402(1.4%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [30] 50.0% match-e [42] 45.8% ---------------------------------------------------------------------- finalize-iter! [23] 100.0% [31] 628(2.2%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [38] 100.0% ---------------------------------------------------------------------- gen-series! [25] 100.0% [32] 420(1.5%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [39] 100.0% ---------------------------------------------------------------------- one-iter [22] 100.0% [33] 388(1.3%) 388(1.3%) loop ...ket/collects/racket/private/list.rkt:264:4 ---------------------------------------------------------------------- loop [26] 100.0% [34] 220(0.8%) 0(0.0%) errors-score ...atlock/herbie/src/points.rkt:154:0 loop [71] 100.0% ---------------------------------------------------------------------- pass [27] 100.0% [35] 178(0.6%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:196:29 for-loop [40] 100.0% ---------------------------------------------------------------------- for-loop [28] 15.7% run [7] 41.2% [36] 28848(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 41.2% loop [41] 24.2% run-improve58 [2] 18.9% simplify [3] 15.7% ---------------------------------------------------------------------- one-iter [22] 9.5% loop [29] 90.5% [37] 6752(23.4%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 merge-egraph-nodes! [43] 51.2% match-e [42] 21.8% loop! [77] 6.2% for-loop [45] 6.2% update-leader! [51] 6.0% reduce-to-single! [47] 5.3% substitute-e [48] 3.3% ---------------------------------------------------------------------- ??? [31] 100.0% [38] 628(2.2%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [44] 100.0% ---------------------------------------------------------------------- for-loop [32] 100.0% [39] 420(1.5%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [46] 100.0% ---------------------------------------------------------------------- for-loop [35] 100.0% [40] 178(0.6%) 178(0.6%) for-loop ...ck/herbie/src/core/simplify.rkt:183:13 ---------------------------------------------------------------------- run-improve58 [2] 1.4% ??? [36] 98.6% [41] 14182(49.2%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 make-exacts* [57] 42.8% loop [49] 42.4% loop [58] 14.8% ---------------------------------------------------------------------- for-loop [60] 18.6% apply-match [37] 18.9% for-loop [30] 62.5% [42] 5846(20.3%) 2424(8.4%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [50] 45.2% for-loop [60] 5.1% list-cartesian-product [61] 5.0% loop [71] 3.7% curry* [56] 3.0% ---------------------------------------------------------------------- merge-egraph-nodes! [43] 6.4% apply-match [37] 93.6% [43] 3458(12.0%) 0(0.0%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 update-leader! [51] 75.7% loop! [77] 14.8% merge-egraph-nodes! [43] 6.4% enode-merge! [55] 3.2% ---------------------------------------------------------------------- for-loop [38] 100.0% [44] 628(2.2%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [52] 100.0% ---------------------------------------------------------------------- apply-match [37] 100.0% [45] 422(1.5%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:136:10 loop! [77] 100.0% ---------------------------------------------------------------------- taylor-alt [39] 100.0% [46] 420(1.5%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [53] 100.0% ---------------------------------------------------------------------- apply-match [37] 100.0% [47] 356(1.2%) 356(1.2%) reduce-to-single! ...bie/src/core/egraph.rkt:324:0 ---------------------------------------------------------------------- apply-match [37] 100.0% [48] 222(0.8%) 0(0.0%) substitute-e ...ck/herbie/src/core/ematch.rkt:71:0 mk-enode! [54] 100.0% ---------------------------------------------------------------------- loop [41] 100.0% [49] 6014(20.8%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [58] 51.2% make-exacts* [57] 48.8% ---------------------------------------------------------------------- match-e [42] 100.0% [50] 3252(11.3%) 1204(4.2%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [60] 33.8% list-cartesian-product [61] 19.9% loop [71] 15.5% ---------------------------------------------------------------------- apply-match [37] 13.3% merge-egraph-nodes! [43] 86.7% [51] 3018(10.5%) 0(0.0%) update-leader! ...herbie/src/core/egraph.rkt:217:0 for-loop [59] 100.0% ---------------------------------------------------------------------- atab-add-altn [44] 100.0% [52] 628(2.2%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [62] 100.0% ---------------------------------------------------------------------- location-do [53] 26.2% for-loop [46] 73.8% [53] 420(1.5%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [63] 73.8% location-do [53] 26.2% ---------------------------------------------------------------------- substitute-e [48] 100.0% [54] 222(0.8%) 222(0.8%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 ---------------------------------------------------------------------- merge-egraph-nodes! [43] 100.0% [55] 220(0.8%) 0(0.0%) enode-merge! ...ck/herbie/src/core/enode.rkt:100:0 adopt-enode! [64] 100.0% ---------------------------------------------------------------------- match-e [42] 100.0% [56] 178(0.6%) 0(0.0%) curry* ...racket/collects/racket/function.rkt:44:2 procedure-arity [65] 100.0% ---------------------------------------------------------------------- loop [49] 32.6% loop [41] 67.4% [57] 8998(31.2%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 loop [71] 56.4% map [66] 43.6% ---------------------------------------------------------------------- loop [41] 40.6% loop [49] 59.4% [58] 5184(18.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [66] 100.0% ---------------------------------------------------------------------- update-leader! [51] 100.0% [59] 3018(10.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:222:6 for-loop [67] 100.0% ---------------------------------------------------------------------- match-e [42] 27.6% for-loop [50] 72.4% [60] 2176(7.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [42] 100.0% ---------------------------------------------------------------------- list-cartesian-product [61] 7.9% match-e [42] 34.9% for-loop [50] 57.3% [61] 1130(3.9%) 736(2.6%) list-cartesian-product ...src/core/ematch.rkt:20:0 for-loop [69] 34.9% list-cartesian-product [61] 7.9% ---------------------------------------------------------------------- best-and-tied-at-points [52] 100.0% [62] 628(2.2%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 eval-prog [68] 100.0% ---------------------------------------------------------------------- location-do [53] 100.0% [63] 420(1.5%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [70] 52.4% f94 [80] 47.6% ---------------------------------------------------------------------- enode-merge! [55] 100.0% [64] 220(0.8%) 220(0.8%) adopt-enode! ...ock/herbie/src/core/enode.rkt:76:0 ---------------------------------------------------------------------- curry* [56] 100.0% [65] 178(0.6%) 178(0.6%) procedure-arity ...ket/private/norm-arity.rkt:7:27 ---------------------------------------------------------------------- f94 [80] 2.1% make-exacts* [57] 42.1% loop [58] 55.7% [66] 9304(32.3%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [71] 95.7% ??? [74] 2.1% ??? [75] 2.1% ---------------------------------------------------------------------- for-loop [59] 100.0% [67] 3018(10.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:223:8 hash-update! [72] 100.0% ---------------------------------------------------------------------- errors [62] 100.0% [68] 628(2.2%) 628(2.2%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 ---------------------------------------------------------------------- list-cartesian-product [61] 100.0% [69] 394(1.4%) 394(1.4%) for-loop ...atlock/herbie/src/core/ematch.rkt:24:8 ---------------------------------------------------------------------- approximate9 [63] 100.0% [70] 220(0.8%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [73] 100.0% ---------------------------------------------------------------------- errors-score [34] 0.0% make-exacts* [57] 0.1% map-enodes [24] 0.2% extract-alt [17] 0.7% match-e [42] 1.3% loop! [77] 1.9% for-loop [50] 2.3% map [66] 2.4% loop [71] 91.0% [71] 16584(57.5%) 976(3.4%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [71] 91.0% ??? [75] 2.4% loop [81] 2.3% loop! [77] 1.9% simplify [3] 0.7% for-loop [79] 0.2% ->flonum [78] 0.1% ---------------------------------------------------------------------- for-loop [67] 100.0% [72] 3018(10.5%) 0(0.0%) hash-update! ...ket/private/more-scheme.rkt:362:13 ??? [76] 100.0% ---------------------------------------------------------------------- for-loop [12] 16.7% ??? [18] 16.7% for-loop [13] 16.7% ??? [82] 16.7% ??? [83] 16.7% loop [70] 16.7% [73] 220(0.8%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [4] 33.3% ??? [83] 16.7% ??? [82] 16.7% ??? [6] 16.7% simplify [5] 16.7% ---------------------------------------------------------------------- map [66] 100.0% [74] 200(0.7%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 f94 [80] 100.0% ---------------------------------------------------------------------- map [66] 1.5% loop [71] 98.5% [75] 13030(45.2%) 572(2.0%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [84] 69.9% real->bigfloat [86] 22.3% ??? [98] 3.4% ---------------------------------------------------------------------- hash-update! [72] 100.0% [76] 3018(10.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/egraph.rkt:225:24 for-loop [85] 100.0% ---------------------------------------------------------------------- apply-match [37] 21.2% loop [71] 22.0% merge-egraph-nodes! [43] 28.0% for-loop [45] 28.8% [77] 1466(5.1%) 0(0.0%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 custom-set-union [87] 63.6% loop [71] 22.0% update-en-expr [94] 14.4% ---------------------------------------------------------------------- loop [71] 100.0% [78] 930(3.2%) 200(0.7%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [89] 30.1% ??? [101] 24.5% ??? [90] 23.9% ---------------------------------------------------------------------- loop [71] 100.0% [79] 606(2.1%) 218(0.8%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 compose [88] 64.0% ---------------------------------------------------------------------- ??? [74] 23.8% approximate9 [63] 23.8% simplify [5] 52.4% [80] 420(1.5%) 420(1.5%) f94 ...t/collects/racket/match/compiler.rkt:499:40 map [66] 23.8% ---------------------------------------------------------------------- loop [71] 100.0% [81] 376(1.3%) 376(1.3%) loop ...e/racket/collects/racket/function.rkt:53:6 ---------------------------------------------------------------------- hash-ref! [73] 100.0% [82] 220(0.8%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [73] 100.0% ---------------------------------------------------------------------- hash-ref! [73] 100.0% [83] 220(0.8%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [73] 100.0% ---------------------------------------------------------------------- ??? [75] 100.0% [84] 9102(31.6%) 216(0.7%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [95] 41.1% bf* [91] 28.6% ...higher-order.rkt:373:33 [92] 27.9% ---------------------------------------------------------------------- ??? [76] 100.0% [85] 3018(10.5%) 2818(9.8%) for-loop ...lock/herbie/src/core/egraph.rkt:226:26 update-en-expr [94] 6.6% ---------------------------------------------------------------------- ??? [75] 100.0% [86] 2908(10.1%) 2468(8.6%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [102] 15.1% ---------------------------------------------------------------------- loop! [77] 100.0% [87] 1044(3.6%) 222(0.8%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [93] 78.7% ---------------------------------------------------------------------- for-loop [79] 100.0% [88] 388(1.3%) 388(1.3%) compose ...collects/racket/private/list.rkt:385:12 ---------------------------------------------------------------------- ->flonum [78] 100.0% [89] 280(1.0%) 0(0.0%) ??? ...-racket/utils/simple-result-arrow.rkt:47:15 ??? [102] 100.0% ---------------------------------------------------------------------- ->flonum [78] 100.0% [90] 222(0.8%) 222(0.8%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ---------------------------------------------------------------------- ??? [84] 100.0% [91] 2604(9.0%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [95] 100.0% ---------------------------------------------------------------------- ??? [84] 100.0% [92] 2540(8.8%) 0(0.0%) ...higher-order.rkt:373:33 (unknown source) ??? [96] 100.0% ---------------------------------------------------------------------- custom-set-union [87] 100.0% [93] 822(2.8%) 200(0.7%) for-loop ...cts/racket/private/set-types.rkt:174:3 for-loop [97] 75.7% ---------------------------------------------------------------------- for-loop [85] 32.2% loop! [77] 67.8% [94] 622(2.2%) 622(2.2%) update-en-expr ...herbie/src/core/egraph.rkt:211:0 ---------------------------------------------------------------------- bf* [91] 41.0% ??? [84] 59.0% [95] 6346(22.0%) 444(1.5%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfsub [99] 47.0% ??? [101] 24.3% bfsqr [100] 21.7% ---------------------------------------------------------------------- ...higher-order.rkt:373:33 [92]100.0% [96] 2540(8.8%) 0(0.0%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [98] 100.0% ---------------------------------------------------------------------- for-loop [93] 100.0% [97] 622(2.2%) 622(2.2%) for-loop ...cts/racket/private/set-types.rkt:178:5 ---------------------------------------------------------------------- ??? [75] 15.0% ??? [96] 85.0% [98] 2988(10.4%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [101] 100.0% ---------------------------------------------------------------------- ??? [95] 100.0% [99] 2984(10.3%) 1580(5.5%) bfsub ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [102] 47.1% ---------------------------------------------------------------------- ??? [95] 100.0% [100] 1378(4.8%) 1378(4.8%) bfsqr ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ---------------------------------------------------------------------- ->flonum [78] 4.8% ??? [95] 32.4% ??? [98] 62.8% [101] 4756(16.5%) 2560(8.9%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [103] 46.2% ---------------------------------------------------------------------- ??? [89] 13.2% real->bigfloat [86] 20.7% bfsub [99] 66.1% [102] 2124(7.4%) 2124(7.4%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ---------------------------------------------------------------------- ??? [101] 100.0% [103] 2196(7.6%) 632(2.2%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [104] 71.2% ---------------------------------------------------------------------- ??? [103] 100.0% [104] 1564(5.4%) 1564(5.4%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ----------------------------------------------------------------------