Profiling results ----------------- Total cpu time observed: 14578ms (out of 14828ms) Number of samples taken: 68 (once every 214ms) ==================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ==================================================================== ??? [36] 100.0% [1] 13538(92.9%) 0(0.0%) profile-thunk16 ...t/pkgs/profile-lib/main.rkt:9:0 run [8] 100.0% -------------------------------------------------------------------- ??? [36] 100.0% [2] 12212(83.8%) 0(0.0%) run-improve50 ...ock/herbie/src/mainloop.rkt:237:0 for-loop [9] 83.8% get-final-combination [12] 16.2% -------------------------------------------------------------------- ??? [36] 100.0% [3] 8656(59.4%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [10] 47.1% for-loop [11] 43.4% iterate-egraph!5 [17] 9.5% -------------------------------------------------------------------- copying-mergesort [66] 100.0% [4] 240(1.6%) 0(0.0%) jloop ...t/collects/racket/private/sort.rkt:121:23 ??? [75] 100.0% -------------------------------------------------------------------- hash-ref! [88] 100.0% [5] 222(1.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:320:33 for-loop [15] 100.0% -------------------------------------------------------------------- hash-ref! [88] 100.0% [6] 222(1.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:283:26 for-loop [14] 100.0% -------------------------------------------------------------------- hash-ref! [88] 100.0% [7] 222(1.5%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:293:23 for-loop [13] 100.0% -------------------------------------------------------------------- profile-thunk16 [1] 100.0% [8] 13538(92.9%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:39:2 ??? [36] 100.0% -------------------------------------------------------------------- run-improve50 [2] 100.0% [9] 10238(70.2%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:248:8 run-iter! [16] 100.0% -------------------------------------------------------------------- simplify [3] 100.0% [10] 4076(28.0%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [17] 100.0% -------------------------------------------------------------------- simplify [3] 100.0% [11] 3756(25.8%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [17] 94.2% debug7 [20] 5.8% -------------------------------------------------------------------- run-improve50 [2] 100.0% [12] 1974(13.5%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:264:0 split-table [18] 89.9% extract-alt [21] 10.1% -------------------------------------------------------------------- ??? [7] 100.0% [13] 222(1.5%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:296:27 hash-ref! [88] 100.0% -------------------------------------------------------------------- ??? [6] 100.0% [14] 222(1.5%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:283:52 hash-ref! [88] 100.0% -------------------------------------------------------------------- ??? [5] 100.0% [15] 222(1.5%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:322:46 simplify [19] 100.0% -------------------------------------------------------------------- for-loop [9] 100.0% [16] 10238(70.2%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:218:0 simplify! [22] 84.5% finalize-iter! [25] 13.3% gen-series! [27] 2.2% -------------------------------------------------------------------- simplify [3] 9.8% for-loop [11] 41.9% simplify-expr [10] 48.3% [17] 8438(57.9%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [23] 90.5% map-enodes [26] 9.5% -------------------------------------------------------------------- get-final-combination [12] 100.0% [18] 1774(12.2%) 0(0.0%) split-table .../ztatlock/herbie/src/glue.rkt:170:0 f37 [24] 100.0% -------------------------------------------------------------------- for-loop [15] 100.0% [19] 222(1.5%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:15:0 f37 [24] 100.0% -------------------------------------------------------------------- for-loop [11] 100.0% [20] 218(1.5%) 218(1.5%) debug7 /home/ztatlock/herbie/src/debug.rkt:102:0 -------------------------------------------------------------------- get-final-combination [12] 100.0% [21] 200(1.4%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:56:0 loop [28] 100.0% -------------------------------------------------------------------- run-iter! [16] 100.0% [22] 8656(59.4%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:157:0 for-loop [29] 100.0% -------------------------------------------------------------------- iterate-egraph!5 [17] 100.0% [23] 7634(52.4%) 414(2.8%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [30] 62.4% loop [31] 23.8% apply-match [37] 5.7% filter [104] 2.6% -------------------------------------------------------------------- simplify [19] 11.1% split-table [18] 88.9% [24] 1996(13.7%) 222(1.5%) f37 ...t/collects/racket/match/compiler.rkt:507:40 option-on-expr [32] 88.9% -------------------------------------------------------------------- run-iter! [16] 100.0% [25] 1360(9.3%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:172:0 ??? [33] 100.0% -------------------------------------------------------------------- iterate-egraph!5 [17] 100.0% [26] 804(5.5%) 0(0.0%) map-enodes ...ock/herbie/src/core/egraph.rkt:139:0 loop [74] 100.0% -------------------------------------------------------------------- run-iter! [16] 100.0% [27] 222(1.5%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:129:0 for-loop [34] 100.0% -------------------------------------------------------------------- extract-alt [21] 100.0% [28] 200(1.4%) 0(0.0%) loop /home/ztatlock/herbie/src/common.rkt:110:2 composed [35] 100.0% -------------------------------------------------------------------- simplify! [22] 100.0% [29] 8656(59.4%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:161:6 ??? [36] 100.0% -------------------------------------------------------------------- for-loop [30] 47.7% one-iter [23] 52.3% [30] 4760(32.7%) 1278(8.8%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [30] 47.7% match-e [43] 36.6% -------------------------------------------------------------------- one-iter [23] 100.0% [31] 1820(12.5%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:52:19 apply-match [37] 100.0% -------------------------------------------------------------------- f37 [24] 100.0% [32] 1774(12.2%) 0(0.0%) option-on-expr ...erbie/src/core/regimes.rkt:115:0 sort-context-on-expr [38] 77.0% pick-errors [42] 11.6% loop [74] 11.4% -------------------------------------------------------------------- finalize-iter! [25] 100.0% [33] 1360(9.3%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [39] 83.5% atab-add-altns [40] 16.5% -------------------------------------------------------------------- gen-series! [27] 100.0% [34] 222(1.5%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:135:7 taylor-alt [41] 100.0% -------------------------------------------------------------------- loop [28] 100.0% [35] 200(1.4%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [62] 100.0% -------------------------------------------------------------------- for-loop [29] 21.0% run [8] 37.7% [36] 14578(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [1] 37.7% run-improve50 [2] 33.2% simplify [3] 21.0% loop [44] 8.1% -------------------------------------------------------------------- one-iter [23] 19.4% loop [31] 80.6% [37] 2258(15.5%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 merge-egraph-nodes! [47] 54.8% match-e [43] 26.6% for-loop [48] 18.6% -------------------------------------------------------------------- option-on-expr [32] 100.0% [38] 1366(9.4%) 0(0.0%) sort-context-on-expr ...herbie/src/points.rkt:79:0 ??? [45] 100.0% -------------------------------------------------------------------- ??? [33] 100.0% [39] 1136(7.8%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [46] 100.0% -------------------------------------------------------------------- ??? [33] 100.0% [40] 224(1.5%) 0(0.0%) atab-add-altns ...rbie/src/core/alt-table.rkt:50:0 atab-add-altn [46] 100.0% -------------------------------------------------------------------- for-loop [34] 100.0% [41] 222(1.5%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:141:0 for-loop [49] 100.0% -------------------------------------------------------------------- option-on-expr [32] 100.0% [42] 206(1.4%) 0(0.0%) pick-errors ...k/herbie/src/core/regimes.rkt:180:0 for-loop [50] 100.0% -------------------------------------------------------------------- apply-match [37] 9.8% for-loop [63] 20.1% for-loop [30] 70.1% [43] 4082(28.0%) 1844(12.6%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [51] 38.0% list-cartesian-product [65] 9.8% custom-in-set [58] 4.9% for-loop [63] 4.9% constant? [59] 2.4% -------------------------------------------------------------------- ??? [36] 100.0% [44] 2366(16.2%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:159:2 make-exacts* [61] 60.3% loop [55] 39.7% -------------------------------------------------------------------- sort-context-on-expr [38] 100.0% [45] 1366(9.4%) 0(0.0%) ??? ...cket/collects/racket/private/sort.rkt:403:3 generic-sort/key [52] 100.0% -------------------------------------------------------------------- atab-add-altns [40] 16.5% for-loop [39] 83.5% [46] 1360(9.3%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [54] 82.2% override-at-pnts [56] 17.8% -------------------------------------------------------------------- merge-egraph-nodes! [47] 5.3% for-loop [60] 5.3% apply-match [37] 89.4% [47] 1238(8.5%) 0(0.0%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 update-leader! [53] 89.4% for-loop [60] 5.3% merge-egraph-nodes! [47] 5.3% -------------------------------------------------------------------- apply-match [37] 100.0% [48] 420(2.9%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:136:10 loop! [82] 100.0% -------------------------------------------------------------------- taylor-alt [41] 100.0% [49] 222(1.5%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:143:2 location-do [57] 100.0% -------------------------------------------------------------------- pick-errors [42] 100.0% [50] 206(1.4%) 0(0.0%) for-loop ...lock/herbie/src/core/regimes.rkt:183:4 eval-prog [79] 100.0% -------------------------------------------------------------------- match-e [43] 100.0% [51] 2064(14.2%) 620(4.3%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [63] 50.0% list-cartesian-product [65] 19.9% -------------------------------------------------------------------- ??? [45] 100.0% [52] 1366(9.4%) 0(0.0%) generic-sort/key .../racket/private/sort.rkt:185:2 copying-mergesort [66] 83.7% loop [72] 16.3% -------------------------------------------------------------------- merge-egraph-nodes! [47] 100.0% [53] 1238(8.5%) 0(0.0%) update-leader! ...herbie/src/core/egraph.rkt:217:0 for-loop [64] 100.0% -------------------------------------------------------------------- atab-add-altn [46] 100.0% [54] 1118(7.7%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [62] 100.0% -------------------------------------------------------------------- loop [44] 100.0% [55] 940(6.4%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:119:2 make-exacts* [61] 53.0% loop [67] 47.0% -------------------------------------------------------------------- atab-add-altn [46] 100.0% [56] 242(1.7%) 0(0.0%) override-at-pnts ...e/src/core/alt-table.rkt:145:0 errors [62] 100.0% -------------------------------------------------------------------- location-do [57] 50.0% for-loop [49] 50.0% [57] 222(1.5%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:219:0 location-do [57] 50.0% approximate9 [68] 50.0% -------------------------------------------------------------------- match-e [43] 100.0% [58] 200(1.4%) 200(1.4%) custom-in-set ...acket/private/set-types.rkt:577:0 -------------------------------------------------------------------- match-e [43] 100.0% [59] 198(1.4%) 198(1.4%) constant? ...ck/herbie/src/syntax/syntax.rkt:227:0 -------------------------------------------------------------------- merge-egraph-nodes! [47] 100.0% [60] 196(1.3%) 0(0.0%) for-loop ...lock/herbie/src/core/egraph.rkt:200:10 merge-egraph-nodes! [47] 100.0% -------------------------------------------------------------------- loop [55] 25.9% loop [44] 74.1% [61] 1924(13.2%) 0(0.0%) make-exacts* ...atlock/herbie/src/points.rkt:106:0 map [69] 50.2% loop [74] 49.8% -------------------------------------------------------------------- composed [35] 11.4% loop [74] 11.5% override-at-pnts [56] 13.7% best-and-tied-at-points [54] 63.5% [62] 1762(12.1%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:184:0 for-loop [70] 73.6% eval-prog [79] 26.4% -------------------------------------------------------------------- match-e [43] 24.4% for-loop [51] 75.6% [63] 1642(11.3%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [43] 100.0% -------------------------------------------------------------------- update-leader! [53] 100.0% [64] 1238(8.5%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:222:6 for-loop [71] 100.0% -------------------------------------------------------------------- list-cartesian-product [65] 16.6% match-e [43] 40.8% for-loop [51] 42.5% [65] 1220(8.4%) 1220(8.4%) list-cartesian-product ...src/core/ematch.rkt:20:0 list-cartesian-product [65] 16.6% -------------------------------------------------------------------- copying-mergesort [66] 26.1% generic-sort/key [52] 73.9% [66] 1144(7.8%) 0(0.0%) copying-mergesort ...racket/private/sort.rkt:130:8 loop [72] 68.6% copying-mergesort [66] 26.1% jloop [4] 5.2% -------------------------------------------------------------------- loop [55] 100.0% [67] 442(3.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:109:4 map [69] 100.0% -------------------------------------------------------------------- location-do [57] 100.0% [68] 222(1.5%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:12:0 loop [73] 100.0% -------------------------------------------------------------------- loop [67] 31.4% make-exacts* [61] 68.6% [69] 1408(9.7%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:20:13 loop [74] 100.0% -------------------------------------------------------------------- errors [62] 100.0% [70] 1296(8.9%) 0(0.0%) for-loop ...e/ztatlock/herbie/src/points.rkt:187:4 ??? [78] 48.1% ulp-difference [77] 35.0% ->flonum [86] 16.8% -------------------------------------------------------------------- for-loop [64] 100.0% [71] 1238(8.5%) 204(1.4%) for-loop ...tlock/herbie/src/core/egraph.rkt:223:8 hash-update! [76] 83.5% -------------------------------------------------------------------- generic-sort/key [52] 19.7% copying-mergesort [66] 80.3% [72] 1126(7.7%) 0(0.0%) loop ...ket/collects/racket/private/sort.rkt:97:12 ??? [75] 100.0% -------------------------------------------------------------------- approximate9 [68] 100.0% [73] 222(1.5%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:83:4 hash-ref! [88] 100.0% -------------------------------------------------------------------- make-exacts* [61] 0.0% map [69] 0.1% loop! [82] 2.5% option-on-expr [32] 5.3% map-enodes [26] 13.4% loop [74] 78.7% [74] 3792(26.0%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:25:19 loop [74] 78.7% for-loop [81] 13.4% errors [62] 5.3% loop! [82] 2.5% ??? [78] 0.2% ->flonum [86] 0.0% -------------------------------------------------------------------- jloop [4] 17.6% loop [72] 82.4% [75] 1366(9.4%) 0(0.0%) ??? /home/ztatlock/herbie/src/points.rkt:81:27 eval-prog [79] 100.0% -------------------------------------------------------------------- for-loop [71] 100.0% [76] 1034(7.1%) 0(0.0%) hash-update! ...ket/private/more-scheme.rkt:362:13 ??? [80] 100.0% -------------------------------------------------------------------- for-loop [70] 100.0% [77] 454(3.1%) 236(1.6%) ulp-difference ...atlock/herbie/src/float.rkt:19:0 ??? [92] 48.0% -------------------------------------------------------------------- for-loop [70] 22.7% loop [74] 77.3% [78] 2750(18.9%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:258:4 ??? [83] 66.8% ??? [85] 25.9% ->flonum [86] 7.3% -------------------------------------------------------------------- for-loop [50] 10.1% errors [62] 22.9% ??? [75] 67.0% [79] 2038(14.0%) 1594(10.9%) eval-prog ...tatlock/herbie/src/programs.rkt:252:0 ??? [90] 11.0% hash-ref! [88] 10.8% -------------------------------------------------------------------- hash-update! [76] 100.0% [80] 1034(7.1%) 0(0.0%) ??? .../ztatlock/herbie/src/core/egraph.rkt:225:24 for-loop [84] 100.0% -------------------------------------------------------------------- loop [74] 100.0% [81] 804(5.5%) 200(1.4%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 eval-const-expr [87] 75.1% -------------------------------------------------------------------- for-loop [48] 41.1% loop [74] 58.9% [82] 420(2.9%) 0(0.0%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 loop [74] 58.9% set [89] 41.1% -------------------------------------------------------------------- ??? [78] 100.0% [83] 1838(12.6%) 0(0.0%) ??? ...acket/collects/racket/private/kw.rkt:444:14 ??? [91] 76.9% ??? [92] 23.1% -------------------------------------------------------------------- ??? [80] 100.0% [84] 1034(7.1%) 638(4.4%) for-loop ...lock/herbie/src/core/egraph.rkt:226:26 update-en-expr [93] 38.3% -------------------------------------------------------------------- ??? [78] 100.0% [85] 712(4.9%) 478(3.3%) ??? ...contract/private/../../private/kw.rkt:761:9 real->bigfloat [94] 32.9% -------------------------------------------------------------------- ??? [78] 30.4% for-loop [70] 33.1% loop [74] 36.5% [86] 658(4.5%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:230:0 ??? [92] 100.0% -------------------------------------------------------------------- for-loop [81] 100.0% [87] 604(4.1%) 202(1.4%) eval-const-expr ...k/herbie/src/programs.rkt:270:0 ??? [91] 33.4% parse-app [97] 33.1% -------------------------------------------------------------------- for-loop [14] 12.6% for-loop [13] 12.6% ??? [96] 12.6% loop [73] 12.6% eval-prog [79] 49.8% [88] 442(3.0%) 220(1.5%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [96] 12.6% ??? [7] 12.6% ??? [6] 12.6% ??? [5] 12.6% -------------------------------------------------------------------- loop! [82] 100.0% [89] 420(2.9%) 420(2.9%) set ...collects/racket/private/set-types.rkt:981:0 -------------------------------------------------------------------- eval-prog [79] 100.0% [90] 224(1.5%) 0(0.0%) ??? ...collects/racket/private/qq-and-or.rkt:155:9 ??? [95] 100.0% -------------------------------------------------------------------- eval-const-expr [87] 12.5% ??? [83] 87.5% [91] 1616(11.1%) 0(0.0%) ??? ...-racket/utils/simple-result-arrow.rkt:39:12 bfdiv [98] 58.5% bfneg [99] 41.5% -------------------------------------------------------------------- ulp-difference [77] 16.8% ??? [83] 32.6% ->flonum [86] 50.6% [92] 1300(8.9%) 200(1.4%) ??? /home/ztatlock/herbie/src/config.rkt:48:0 return/no-unsupplied [100] 50.6% ??? [101] 34.0% -------------------------------------------------------------------- for-loop [84] 100.0% [93] 396(2.7%) 396(2.7%) update-en-expr ...herbie/src/core/egraph.rkt:211:0 -------------------------------------------------------------------- ??? [85] 100.0% [94] 234(1.6%) 234(1.6%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 -------------------------------------------------------------------- ??? [90] 100.0% [95] 224(1.5%) 224(1.5%) ??? ...ollects/racket/private/qq-and-or.rkt:164:21 -------------------------------------------------------------------- hash-ref! [88] 100.0% [96] 222(1.5%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:43:15 hash-ref! [88] 100.0% -------------------------------------------------------------------- eval-const-expr [87] 100.0% [97] 200(1.4%) 0(0.0%) parse-app .../collects/racket/private/kw.rkt:951:2 loop [102] 100.0% -------------------------------------------------------------------- ??? [91] 100.0% [98] 946(6.5%) 486(3.3%) bfdiv ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [103] 48.6% -------------------------------------------------------------------- ??? [91] 100.0% [99] 670(4.6%) 468(3.2%) bfneg ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [103] 30.1% -------------------------------------------------------------------- ??? [92] 100.0% [100] 658(4.5%) 436(3.0%) return/no-unsupplied ...ct/private/arr-i.rkt:533:0 filter [104] 33.7% -------------------------------------------------------------------- ??? [92] 100.0% [101] 442(3.0%) 202(1.4%) ??? ...racket/collects/racket/private/kw.rkt:761:9 ??? [105] 54.3% -------------------------------------------------------------------- parse-app [97] 100.0% [102] 200(1.4%) 200(1.4%) loop .../collects/racket/private/stxcase.rkt:112:7 -------------------------------------------------------------------- bfneg [99] 30.5% bfdiv [98] 69.5% [103] 662(4.5%) 662(4.5%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 -------------------------------------------------------------------- one-iter [23] 47.6% return/no-unsupplied [100] 52.4% [104] 424(2.9%) 424(2.9%) filter ...t/collects/racket/private/list.rkt:256:2 -------------------------------------------------------------------- ??? [101] 100.0% [105] 240(1.6%) 0(0.0%) ??? ...s/racket/contract/private/arr-i.rkt:1233:27 ??? [106] 100.0% -------------------------------------------------------------------- ??? [105] 100.0% [106] 240(1.6%) 240(1.6%) ??? ...ects/racket/contract/private/prop.rkt:256:4 --------------------------------------------------------------------