Profiling results ----------------- Total cpu time observed: 179036ms (out of 181548ms) Number of samples taken: 779 (once every 230ms) (Hiding functions with self<1.0% and local<2.0%: 1 of 100 hidden) ========================================================================= Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ========================================================================= ??? [43] 100.0% [1] 178836(99.9%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [11] 100.0% ------------------------------------------------------------------------- ??? [43] 100.0% [2] 8912(5.0%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 finalize-table! [12] 77.5% for-loop [15] 22.5% ------------------------------------------------------------------------- location-do [84] 100.0% [3] 5060(2.8%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 loop [13] 88.1% taylor-quotient [19] 7.9% f37 [78] 4.0% ------------------------------------------------------------------------- hash-ref! [36] 100.0% [4] 2050(1.1%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:338:33 hash-ref! [36] 69.6% for-loop [17] 30.4% ------------------------------------------------------------------------- post-process [22] 12.3% loop [69] 87.7% [5] 1646(0.9%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [14] 100.0% ------------------------------------------------------------------------- hash-ref! [36] 100.0% [6] 804(0.4%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:392:23 for-loop [16] 100.0% ------------------------------------------------------------------------- hash-ref! [36] 100.0% [7] 402(0.2%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:483:23 for-loop [18] 100.0% ------------------------------------------------------------------------- hash-ref! [36] 100.0% [8] 222(0.1%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:425:23 for-loop [20] 100.0% ------------------------------------------------------------------------- hash-ref! [36] 100.0% [9] 202(0.1%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:408:23 for-loop [21] 100.0% ------------------------------------------------------------------------- f37 [78] 100.0% [10] 202(0.1%) 0(0.0%) taylor-invert .../herbie/src/core/taylor.rkt:312:0 simplify [44] 100.0% ------------------------------------------------------------------------- profile-thunk14 [1] 100.0% [11] 178836(99.9%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [43] 100.0% ------------------------------------------------------------------------- run-improve58 [2] 100.0% [12] 6908(3.9%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [22] 100.0% ------------------------------------------------------------------------- approximate9 [3] 100.0% [13] 4458(2.5%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [36] 95.5% iterate-diagonal [29] 4.5% ------------------------------------------------------------------------- simplify [51] 19.6% completely-simplify-alt [5] 80.4% [14] 2046(1.1%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [23] 100.0% ------------------------------------------------------------------------- run-improve58 [2] 100.0% [15] 2004(1.1%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [24] 100.0% ------------------------------------------------------------------------- ??? [6] 100.0% [16] 804(0.4%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:396:33 for-loop [25] 100.0% ------------------------------------------------------------------------- ??? [4] 100.0% [17] 624(0.3%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:341:46 hash-ref! [36] 100.0% ------------------------------------------------------------------------- ??? [7] 100.0% [18] 402(0.2%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:487:35 parse-loop50 [72] 100.0% ------------------------------------------------------------------------- approximate9 [3] 100.0% [19] 400(0.2%) 0(0.0%) taylor-quotient ...erbie/src/core/taylor.rkt:328:0 first-nonzero-exp [26] 100.0% ------------------------------------------------------------------------- ??? [8] 100.0% [20] 222(0.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:428:30 for-loop [27] 100.0% ------------------------------------------------------------------------- ??? [9] 100.0% [21] 202(0.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:411:30 for-loop [28] 100.0% ------------------------------------------------------------------------- finalize-table! [12] 100.0% [22] 6908(3.9%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 for-loop [30] 64.5% loop [69] 23.8% ??? [40] 5.8% completely-simplify-alt [5] 2.9% localize-error [35] 2.9% ------------------------------------------------------------------------- simplify [51] 7.6% for-loop [58] 15.1% simplify-expr [14] 77.3% [23] 2646(1.5%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [31] 100.0% ------------------------------------------------------------------------- for-loop [15] 100.0% [24] 2004(1.1%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [32] 49.9% gen-series! [33] 30.0% finalize-iter! [34] 20.1% ------------------------------------------------------------------------- for-loop [16] 100.0% [25] 804(0.4%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:398:39 hash-ref! [36] 100.0% ------------------------------------------------------------------------- taylor-quotient [19] 100.0% [26] 400(0.2%) 0(0.0%) first-nonzero-exp ...bie/src/core/taylor.rkt:260:0 hash-ref! [36] 100.0% ------------------------------------------------------------------------- for-loop [20] 100.0% [27] 222(0.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:431:42 hash-ref! [36] 100.0% ------------------------------------------------------------------------- for-loop [21] 100.0% [28] 202(0.1%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:414:42 hash-ref! [36] 100.0% ------------------------------------------------------------------------- loop [13] 100.0% [29] 200(0.1%) 0(0.0%) iterate-diagonal ...rbie/src/core/taylor.rkt:150:0 hash-ref! [36] 100.0% ------------------------------------------------------------------------- post-process [22] 100.0% [30] 4458(2.5%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [37] 100.0% ------------------------------------------------------------------------- iterate-egraph!5 [23] 100.0% [31] 2646(1.5%) 200(0.1%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [38] 77.2% loop [42] 15.3% ------------------------------------------------------------------------- run-iter! [24] 100.0% [32] 1000(0.6%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [39] 100.0% ------------------------------------------------------------------------- run-iter! [24] 100.0% [33] 602(0.3%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [41] 100.0% ------------------------------------------------------------------------- run-iter! [24] 100.0% [34] 402(0.2%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [40] 100.0% ------------------------------------------------------------------------- post-process [22] 50.0% loop [69] 50.0% [35] 400(0.2%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [36] 100.0% ------------------------------------------------------------------------- for-loop [28] 1.0% for-loop [27] 1.1% for-loop [80] 1.9% for-loop [17] 3.6% iterate-diagonal [29] 3.8% for-loop [25] 5.1% first-nonzero-exp [26] 7.6% localize-error [35] 7.6% ??? [4] 8.1% ??? [45] 28.2% loop [13] 32.1% [36] 5258(2.9%) 200(0.1%) hash-ref! ...racket/private/more-scheme.rkt:373:13 simplify [44] 35.8% ??? [45] 28.2% ??? [4] 11.7% f37 [78] 7.6% ??? [6] 5.1% ??? [49] 3.8% ??? [7] 1.9% ??? [8] 1.1% ??? [9] 1.0% ------------------------------------------------------------------------- for-loop [30] 100.0% [37] 4458(2.5%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [71] 95.5% loop [69] 4.5% ------------------------------------------------------------------------- for-loop [38] 50.0% one-iter [31] 50.0% [38] 2042(1.1%) 200(0.1%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [38] 50.0% match-e [46] 45.1% ------------------------------------------------------------------------- simplify! [32] 100.0% [39] 1000(0.6%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [43] 100.0% ------------------------------------------------------------------------- finalize-iter! [34] 49.9% post-process [22] 50.1% [40] 806(0.5%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [47] 100.0% ------------------------------------------------------------------------- gen-series! [33] 100.0% [41] 602(0.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [71] 100.0% ------------------------------------------------------------------------- one-iter [31] 100.0% [42] 404(0.2%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [48] 100.0% ------------------------------------------------------------------------- for-loop [39] 0.2% run [11] 49.9% [43] 179036(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 49.9% loop [50] 47.5% run-improve58 [2] 2.5% simplify [51] 0.2% ------------------------------------------------------------------------- taylor-invert [10] 4.3% hash-ref! [36] 95.7% [44] 4658(2.6%) 200(0.1%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 parse-loop50 [72] 78.5% f37 [78] 17.2% ------------------------------------------------------------------------- hash-ref! [36] 100.0% [45] 4056(2.3%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [36] 100.0% ------------------------------------------------------------------------- for-loop [38] 100.0% [46] 1842(1.0%) 1242(0.7%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [53] 21.7% loop [69] 10.9% ------------------------------------------------------------------------- ??? [40] 100.0% [47] 806(0.5%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [52] 100.0% ------------------------------------------------------------------------- loop [42] 100.0% [48] 404(0.2%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 mk-enode! [63] 50.0% for-loop [54] 50.0% ------------------------------------------------------------------------- hash-ref! [36] 100.0% [49] 202(0.1%) 202(0.1%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 ------------------------------------------------------------------------- ??? [43] 100.0% [50] 170124(95.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 loop [60] 80.6% make-exacts* [61] 10.0% loop [55] 9.4% ------------------------------------------------------------------------- ??? [43] 100.0% [51] 1000(0.6%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 for-loop [58] 40.0% simplify-expr [14] 40.0% iterate-egraph!5 [23] 20.0% ------------------------------------------------------------------------- for-loop [47] 100.0% [52] 806(0.5%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [56] 100.0% ------------------------------------------------------------------------- match-e [46] 100.0% [53] 400(0.2%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 list-cartesian-product [57] 100.0% ------------------------------------------------------------------------- apply-match [48] 100.0% [54] 202(0.1%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:136:10 substitute-e [59] 100.0% ------------------------------------------------------------------------- loop [50] 100.0% [55] 15914(8.9%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 loop [60] 69.3% make-exacts* [61] 30.7% ------------------------------------------------------------------------- atab-add-altn [52] 100.0% [56] 806(0.5%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 for-loop [62] 50.1% errors [64] 25.1% loop [65] 24.8% ------------------------------------------------------------------------- list-cartesian-product [57] 25.0% for-loop [53] 75.0% [57] 400(0.2%) 400(0.2%) list-cartesian-product ...src/core/ematch.rkt:20:0 list-cartesian-product [57] 25.0% ------------------------------------------------------------------------- simplify [51] 100.0% [58] 400(0.2%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [23] 100.0% ------------------------------------------------------------------------- for-loop [54] 100.0% [59] 202(0.1%) 0(0.0%) substitute-e ...ck/herbie/src/core/ematch.rkt:71:0 mk-enode! [63] 100.0% ------------------------------------------------------------------------- loop [55] 7.4% loop [50] 92.6% [60] 148188(82.8%) 210(0.1%) loop /home/ztatlock/herbie/src/points.rkt:83:4 loop [69] 57.8% map [66] 42.0% ------------------------------------------------------------------------- loop [55] 22.2% loop [50] 77.8% [61] 21936(12.3%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 map [66] 56.8% loop [69] 43.2% ------------------------------------------------------------------------- best-and-tied-at-points [56] 100.0% [62] 404(0.2%) 404(0.2%) for-loop ...k/herbie/src/core/alt-table.rkt:124:16 ------------------------------------------------------------------------- substitute-e [59] 50.0% apply-match [48] 50.0% [63] 404(0.2%) 202(0.1%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 hash-has-key? [67] 50.0% ------------------------------------------------------------------------- best-and-tied-at-points [56] 100.0% [64] 202(0.1%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [68] 100.0% ------------------------------------------------------------------------- best-and-tied-at-points [56] 100.0% [65] 200(0.1%) 200(0.1%) loop ...ket/collects/racket/private/list.rkt:264:4 ------------------------------------------------------------------------- parse-loop50 [72] 0.9% f37 [78] 1.4% make-exacts* [61] 16.3% loop [60] 81.4% [66] 76564(42.8%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:21:13 loop [69] 98.3% parse-loop50 [72] 0.8% ??? [70] 0.5% f37 [78] 0.4% ------------------------------------------------------------------------- mk-enode! [63] 100.0% [67] 202(0.1%) 202(0.1%) hash-has-key? ...et/private/more-scheme.rkt:368:13 ------------------------------------------------------------------------- errors [64] 100.0% [68] 202(0.1%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [70] 100.0% ------------------------------------------------------------------------- match-e [46] 0.0% append-map [37] 0.0% post-process [22] 0.1% loop [60] 0.1% make-exacts* [61] 0.1% parse-loop50 [72] 0.4% map [66] 1.1% loop [69] 98.2% [69] 173998(97.2%) 242(0.1%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [69] 98.2% ??? [70] 1.1% parse-loop50 [72] 0.5% completely-simplify-alt [5] 0.1% f37 [78] 0.0% taylor-alt [71] 0.0% foldl [74] 0.0% ??? [90] 0.0% localize-error [35] 0.0% bfcube [83] 0.0% ->flonum [73] 0.0% ------------------------------------------------------------------------- for-loop [68] 0.1% map [66] 0.2% loop [69] 99.6% [70] 168988(94.4%) 1682(0.9%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [75] 96.7% real->bigfloat [77] 1.5% ??? [94] 0.8% ------------------------------------------------------------------------- loop [69] 4.0% for-loop [41] 11.9% append-map [37] 84.2% [71] 5060(2.8%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [76] 100.0% ------------------------------------------------------------------------- for-loop [18] 2.4% map [66] 9.7% parse-loop50 [72] 18.7% loop [69] 24.7% simplify [44] 44.4% [72] 4458(2.5%) 3450(1.9%) parse-loop50 ...s/racket/match/compiler.rkt:410:15 loop [69] 21.4% parse-loop50 [72] 18.7% parse-app [79] 6.8% map [66] 6.0% for-loop [80] 2.4% f37 [78] 0.8% ------------------------------------------------------------------------- loop [69] 100.0% [73] 886(0.5%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [95] 75.6% ??? [81] 24.4% ------------------------------------------------------------------------- loop [69] 100.0% [74] 200(0.1%) 0(0.0%) foldl ...et/collects/racket/private/list.rkt:229:4 merge2 [82] 100.0% ------------------------------------------------------------------------- ??? [70] 100.0% [75] 163374(91.3%) 442(0.2%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [90] 93.4% bfcube [83] 3.0% bf* [88] 1.4% ...higher-order.rkt:373:33 [85] 1.2% ...ow-val-first.rkt:357:18 [89] 0.7% ------------------------------------------------------------------------- taylor-alt [71] 100.0% [76] 5060(2.8%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [84] 100.0% ------------------------------------------------------------------------- ??? [70] 100.0% [77] 2502(1.4%) 1586(0.9%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [96] 36.6% ------------------------------------------------------------------------- approximate9 [3] 2.2% loop [69] 3.7% f37 [78] 8.9% parse-loop50 [72] 11.2% map [66] 14.9% hash-ref! [36] 22.1% simplify [44] 36.9% [78] 1808(1.0%) 0(0.0%) f37 ...t/collects/racket/match/compiler.rkt:499:40 map [66] 66.5% compose [86] 11.2% composed [87] 11.2% f37 [78] 8.9% taylor-invert [10] 2.2% ------------------------------------------------------------------------- parse-loop50 [72] 100.0% [79] 404(0.2%) 404(0.2%) parse-app .../collects/racket/private/kw.rkt:903:2 ------------------------------------------------------------------------- parse-loop50 [72] 100.0% [80] 402(0.2%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:490:59 hash-ref! [36] 100.0% ------------------------------------------------------------------------- ->flonum [73] 100.0% [81] 216(0.1%) 216(0.1%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ------------------------------------------------------------------------- foldl [74] 100.0% [82] 200(0.1%) 200(0.1%) merge2 ...ztatlock/herbie/src/core/ematch.rkt:31:0 ------------------------------------------------------------------------- loop [69] 3.9% ??? [75] 96.1% [83] 5170(2.9%) 244(0.1%) bfcube ...tlock/herbie/src/syntax/syntax.rkt:119:0 bf* [88] 74.2% ...ow-val-first.rkt:357:18 [89] 21.0% ------------------------------------------------------------------------- for-loop [76] 18.4% location-do [84] 81.6% [84] 5060(2.8%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 location-do [84] 81.6% approximate9 [3] 18.4% ------------------------------------------------------------------------- ??? [75] 100.0% [85] 1944(1.1%) 264(0.1%) ...higher-order.rkt:373:33 (unknown source) ??? [91] 48.6% ??? [94] 37.9% ------------------------------------------------------------------------- f37 [78] 100.0% [86] 202(0.1%) 202(0.1%) compose ...collects/racket/private/list.rkt:385:12 ------------------------------------------------------------------------- f37 [78] 100.0% [87] 202(0.1%) 202(0.1%) composed ...ollects/racket/private/list.rkt:321:16 ------------------------------------------------------------------------- ??? [75] 37.5% bfcube [83] 62.5% [88] 6140(3.4%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [90] 100.0% ------------------------------------------------------------------------- bfcube [83] 47.8% ??? [75] 52.2% [89] 2274(1.3%) 0(0.0%) ...ow-val-first.rkt:357:18 (unknown source) ??? [91] 100.0% ------------------------------------------------------------------------- loop [69] 0.1% bf* [88] 3.9% ??? [75] 96.0% [90] 158870(88.7%) 134468(75.1%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfmul [92] 6.2% bfcbrt [93] 6.0% ??? [95] 3.2% ------------------------------------------------------------------------- ...higher-order.rkt:373:33 [85] 29.3% ...ow-val-first.rkt:357:18 [89] 70.7% [91] 3218(1.8%) 224(0.1%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [94] 93.0% ------------------------------------------------------------------------- ??? [90] 100.0% [92] 9816(5.5%) 6822(3.8%) bfmul ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [96] 30.5% ------------------------------------------------------------------------- ??? [90] 100.0% [93] 9508(5.3%) 7596(4.2%) bfcbrt ...lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [96] 20.1% ------------------------------------------------------------------------- ...higher-order.rkt:373:33 [85] 14.3% ??? [70] 27.7% ??? [91] 58.0% [94] 5160(2.9%) 234(0.1%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [95] 95.5% ------------------------------------------------------------------------- ->flonum [73] 6.3% ??? [94] 46.1% ??? [90] 47.6% [95] 10674(6.0%) 5738(3.2%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [97] 44.1% ??? [98] 2.2% ------------------------------------------------------------------------- real->bigfloat [77] 15.7% bfcbrt [93] 32.8% bfmul [92] 51.4% [96] 5822(3.3%) 5822(3.3%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ------------------------------------------------------------------------- ??? [95] 100.0% [97] 4702(2.6%) 2550(1.4%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [99] 45.8% ------------------------------------------------------------------------- ??? [95] 100.0% [98] 234(0.1%) 234(0.1%) ??? ...ects/racket/contract/private/prop.rkt:489:4 ------------------------------------------------------------------------- ??? [97] 100.0% [99] 2152(1.2%) 2152(1.2%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 -------------------------------------------------------------------------