Profiling results ----------------- Total cpu time observed: 27544ms (out of 28096ms) Number of samples taken: 110 (once every 250ms) ======================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ======================================================================== ??? [35] 100.0% [1] 27140(98.5%) 0(0.0%) profile-thunk14 ...t/pkgs/profile-lib/main.rkt:9:0 run [6] 100.0% ------------------------------------------------------------------------ ??? [35] 100.0% [2] 7032(25.5%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:242:0 for-loop [7] 60.5% finalize-table! [9] 32.8% loop [41] 3.4% setup-prog [11] 3.3% ------------------------------------------------------------------------ simplify-alt [15] 7.4% ??? [35] 92.6% [3] 3152(11.4%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [8] 53.0% for-loop [10] 25.5% iterate-egraph!5 [13] 21.4% ------------------------------------------------------------------------ map [70] 40.0% loop [71] 60.0% [4] 226(0.8%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [63] 80.0% map [70] 20.0% ------------------------------------------------------------------------ hash-ref! [63] 100.0% [5] 206(0.7%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:285:26 parse-loop12 [67] 100.0% ------------------------------------------------------------------------ profile-thunk14 [1] 100.0% [6] 27140(98.5%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:31:2 ??? [35] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [7] 4252(15.4%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:253:8 run-iter! [12] 100.0% ------------------------------------------------------------------------ completely-simplify-alt [74] 38.3% simplify [3] 61.7% [8] 2708(9.8%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [13] 92.6% mk-egraph [16] 7.4% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [9] 2308(8.4%) 0(0.0%) finalize-table! ...k/herbie/src/mainloop.rkt:264:0 post-process [14] 100.0% ------------------------------------------------------------------------ simplify [3] 100.0% [10] 804(2.9%) 0(0.0%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [13] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [11] 232(0.8%) 0(0.0%) setup-prog /home/ztatlock/herbie/src/glue.rkt:46:0 simplify-alt [15] 100.0% ------------------------------------------------------------------------ for-loop [7] 100.0% [12] 4252(15.4%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:223:0 simplify! [18] 68.7% finalize-iter! [19] 20.8% gen-series! [22] 5.4% choose-best-alt! [24] 5.2% ------------------------------------------------------------------------ simplify [3] 17.0% for-loop [10] 20.2% simplify-expr [8] 62.9% [13] 3988(14.5%) 200(0.7%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [17] 83.6% map-enodes [21] 11.4% ------------------------------------------------------------------------ finalize-table! [9] 100.0% [14] 2308(8.4%) 0(0.0%) post-process .../ztatlock/herbie/src/glue.rkt:95:0 loop [71] 35.3% for-loop [20] 27.9% ??? [28] 17.4% localize-error [23] 9.8% completely-simplify-alt [74] 9.6% ------------------------------------------------------------------------ setup-prog [11] 100.0% [15] 232(0.8%) 0(0.0%) simplify-alt .../ztatlock/herbie/src/glue.rkt:84:0 simplify [3] 100.0% ------------------------------------------------------------------------ simplify-expr [8] 100.0% [16] 200(0.7%) 0(0.0%) mk-egraph ...lock/herbie/src/core/egraph.rkt:123:0 expr->enode [25] 100.0% ------------------------------------------------------------------------ iterate-egraph!5 [13] 100.0% [17] 3334(12.1%) 0(0.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [27] 56.1% loop [29] 31.9% loop [33] 6.1% apply-match [37] 6.0% ------------------------------------------------------------------------ run-iter! [12] 100.0% [18] 2920(10.6%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:162:0 for-loop [26] 100.0% ------------------------------------------------------------------------ run-iter! [12] 100.0% [19] 884(3.2%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:177:0 ??? [28] 100.0% ------------------------------------------------------------------------ post-process [14] 100.0% [20] 644(2.3%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:119:17 append-map [30] 100.0% ------------------------------------------------------------------------ iterate-egraph!5 [13] 100.0% [21] 454(1.6%) 0(0.0%) map-enodes ...ock/herbie/src/core/egraph.rkt:139:0 for-loop [31] 100.0% ------------------------------------------------------------------------ run-iter! [12] 100.0% [22] 228(0.8%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:134:0 for-loop [32] 100.0% ------------------------------------------------------------------------ post-process [14] 100.0% [23] 226(0.8%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [63] 100.0% ------------------------------------------------------------------------ run-iter! [12] 100.0% [24] 220(0.8%) 0(0.0%) choose-best-alt! .../herbie/src/mainloop.rkt:120:0 ??? [28] 100.0% ------------------------------------------------------------------------ expr->enode [25] 50.0% mk-egraph [16] 50.0% [25] 200(0.7%) 0(0.0%) expr->enode ...ck/herbie/src/core/egraph.rkt:124:2 expr->enode [25] 50.0% mk-enode! [34] 50.0% ------------------------------------------------------------------------ simplify! [18] 100.0% [26] 2920(10.6%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:166:6 ??? [35] 100.0% ------------------------------------------------------------------------ for-loop [27] 50.0% one-iter [17] 50.0% [27] 1870(6.8%) 0(0.0%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [27] 50.0% match-e [42] 50.0% ------------------------------------------------------------------------ choose-best-alt! [24] 14.6% post-process [14] 26.7% finalize-iter! [19] 58.7% [28] 1506(5.5%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [36] 85.4% atab-pick-alt8 [40] 14.6% ------------------------------------------------------------------------ one-iter [17] 100.0% [29] 1062(3.9%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:53:19 apply-match [37] 100.0% ------------------------------------------------------------------------ for-loop [20] 100.0% [30] 644(2.3%) 0(0.0%) append-map ...acket/collects/racket/list.rkt:565:2 taylor-alt [38] 100.0% ------------------------------------------------------------------------ map-enodes [21] 100.0% [31] 454(1.6%) 222(0.8%) for-loop ...ock/herbie/src/core/simplify.rkt:161:2 compose [39] 51.1% ------------------------------------------------------------------------ gen-series! [22] 100.0% [32] 228(0.8%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:140:7 taylor-alt [38] 100.0% ------------------------------------------------------------------------ one-iter [17] 100.0% [33] 202(0.7%) 202(0.7%) loop ...ket/collects/racket/private/list.rkt:264:4 ------------------------------------------------------------------------ expr->enode [25] 100.0% [34] 200(0.7%) 200(0.7%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 ------------------------------------------------------------------------ for-loop [26] 3.8% run [6] 47.7% [35] 27544(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk14 [1] 47.7% loop [41] 37.2% run-improve58 [2] 11.2% simplify [3] 3.8% ------------------------------------------------------------------------ ??? [28] 100.0% [36] 1286(4.7%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [43] 100.0% ------------------------------------------------------------------------ one-iter [17] 15.8% loop [29] 84.2% [37] 1262(4.6%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 for-loop [45] 33.4% merge-egraph-nodes! [46] 31.9% match-e [42] 17.6% loop! [75] 17.1% ------------------------------------------------------------------------ for-loop [32] 26.1% append-map [30] 73.9% [38] 872(3.2%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [44] 100.0% ------------------------------------------------------------------------ for-loop [31] 100.0% [39] 232(0.8%) 232(0.8%) compose ...collects/racket/private/list.rkt:385:12 ------------------------------------------------------------------------ ??? [28] 100.0% [40] 220(0.8%) 0(0.0%) atab-pick-alt8 ...rbie/src/core/alt-table.rkt:54:0 ??? [47] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 1.2% ??? [35] 98.8% [41] 20752(75.3%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:122:2 loop [48] 49.3% make-exacts* [53] 42.4% loop [54] 8.3% ------------------------------------------------------------------------ for-loop [57] 9.6% apply-match [37] 10.6% for-loop [27] 79.8% [42] 2092(7.6%) 1248(4.5%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [51] 35.6% list-cartesian-product [56] 9.6% ------------------------------------------------------------------------ for-loop [36] 100.0% [43] 1286(4.7%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [49] 100.0% ------------------------------------------------------------------------ taylor-alt [38] 100.0% [44] 872(3.2%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [50] 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! [75] 100.0% ------------------------------------------------------------------------ merge-egraph-nodes! [46] 25.1% apply-match [37] 74.9% [46] 402(1.5%) 200(0.7%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 merge-egraph-nodes! [46] 25.1% loop! [75] 25.1% ------------------------------------------------------------------------ atab-pick-alt8 [40] 100.0% [47] 220(0.8%) 0(0.0%) ??? ...tract/private/arrow-higher-order.rkt:369:33 best-alt [52] 100.0% ------------------------------------------------------------------------ loop [41] 100.0% [48] 10228(37.1%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:93:2 make-exacts* [53] 51.8% loop [54] 48.2% ------------------------------------------------------------------------ atab-add-altn [43] 100.0% [49] 1286(4.7%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [62] 82.9% in-pcontext [58] 17.1% ------------------------------------------------------------------------ location-do [50] 42.3% for-loop [44] 57.7% [50] 872(3.2%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:129:0 approximate9 [55] 57.7% location-do [50] 42.3% ------------------------------------------------------------------------ match-e [42] 100.0% [51] 844(3.1%) 0(0.0%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [57] 61.7% list-cartesian-product [56] 38.3% ------------------------------------------------------------------------ ??? [47] 100.0% [52] 220(0.8%) 0(0.0%) best-alt /home/ztatlock/herbie/src/glue.rkt:79:0 loop [59] 100.0% ------------------------------------------------------------------------ loop [48] 37.6% loop [41] 62.4% [53] 14092(51.2%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:80:0 loop [71] 50.4% map [70] 48.0% eval-prog [66] 1.6% ------------------------------------------------------------------------ loop [41] 25.9% loop [48] 74.1% [54] 6660(24.2%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:83:4 map [70] 100.0% ------------------------------------------------------------------------ location-do [50] 100.0% [55] 872(3.2%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:11:0 f16 [65] 50.9% loop [60] 49.1% ------------------------------------------------------------------------ match-e [42] 16.0% list-cartesian-product [56] 32.2% for-loop [51] 51.8% [56] 624(2.3%) 624(2.3%) list-cartesian-product ...src/core/ematch.rkt:20:0 list-cartesian-product [56] 32.2% ------------------------------------------------------------------------ for-loop [51] 100.0% [57] 622(2.3%) 220(0.8%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 match-e [42] 64.6% ------------------------------------------------------------------------ best-and-tied-at-points [49] 100.0% [58] 220(0.8%) 220(0.8%) in-pcontext ...ztatlock/herbie/src/points.rkt:19:0 ------------------------------------------------------------------------ best-alt [52] 100.0% [59] 220(0.8%) 0(0.0%) loop /home/ztatlock/herbie/src/common.rkt:86:2 composed [61] 100.0% ------------------------------------------------------------------------ approximate9 [55] 100.0% [60] 428(1.6%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:82:4 hash-ref! [63] 100.0% ------------------------------------------------------------------------ loop [59] 100.0% [61] 220(0.8%) 0(0.0%) composed ...ollects/racket/private/list.rkt:321:16 errors [62] 100.0% ------------------------------------------------------------------------ composed [61] 17.1% best-and-tied-at-points [49] 82.9% [62] 1286(4.7%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:144:0 for-loop [64] 81.2% eval-prog [66] 18.8% ------------------------------------------------------------------------ localize-error [23] 6.9% ??? [69] 7.9% loop [60] 24.8% ??? [4] 27.6% ??? [68] 32.7% [63] 654(2.4%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [68] 32.7% f16 [65] 30.8% parse-loop12 [67] 20.7% ??? [69] 7.9% ??? [5] 7.9% ------------------------------------------------------------------------ errors [62] 100.0% [64] 1044(3.8%) 622(2.3%) for-loop ...e/ztatlock/herbie/src/points.rkt:147:4 ??? [73] 21.3% ->flonum [77] 19.2% ------------------------------------------------------------------------ simplify [76] 11.4% f16 [65] 17.1% approximate9 [55] 18.5% map [70] 22.7% hash-ref! [63] 30.3% [65] 892(3.2%) 0(0.0%) f16 ...t/collects/racket/match/compiler.rkt:499:40 map [70] 59.4% loop [71] 23.5% f16 [65] 17.1% ------------------------------------------------------------------------ make-exacts* [53] 47.8% errors [62] 52.2% [66] 464(1.7%) 464(1.7%) eval-prog ...tatlock/herbie/src/programs.rkt:162:0 ------------------------------------------------------------------------ ??? [5] 47.7% hash-ref! [63] 52.3% [67] 432(1.6%) 206(0.7%) parse-loop12 ...s/racket/match/compiler.rkt:410:15 loop [71] 52.3% ------------------------------------------------------------------------ hash-ref! [63] 100.0% [68] 428(1.6%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:63:15 hash-ref! [63] 100.0% ------------------------------------------------------------------------ hash-ref! [63] 100.0% [69] 206(0.7%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:42:15 hash-ref! [63] 100.0% ------------------------------------------------------------------------ ??? [4] 0.5% f16 [65] 4.3% loop [54] 47.2% make-exacts* [53] 48.0% [70] 14098(51.2%) 228(0.8%) map ...acket/collects/racket/private/map.rkt:21:13 loop [71] 95.2% f16 [65] 2.1% ??? [4] 1.1% ->flonum [77] 0.5% make-multiplication-node [72] 0.5% ------------------------------------------------------------------------ parse-loop12 [67] 0.0% make-exacts* [53] 0.7% post-process [14] 0.9% ??? [73] 1.0% loop! [75] 1.5% map [70] 2.4% f16 [65] 2.9% loop [71] 90.4% [71] 22860(83.0%) 228(0.8%) loop ...cket/collects/racket/private/map.rkt:26:19 loop [71] 90.4% ??? [73] 3.2% simplify [76] 2.9% loop! [75] 1.5% real->bigfloat [80] 0.9% completely-simplify-alt [74] 0.9% ??? [4] 0.0% ->flonum [77] 0.0% ??? [96] 0.0% ------------------------------------------------------------------------ map [70] 100.0% [72] 222(0.8%) 0(0.0%) make-multiplication-node .../core/reduce.rkt:221:0 make-multiplication-subnode [78]100.0% ------------------------------------------------------------------------ for-loop [64] 1.1% loop [71] 98.9% [73] 20536(74.6%) 972(3.5%) ??? /home/ztatlock/herbie/src/programs.rkt:168:4 ??? [79] 55.4% real->bigfloat [80] 19.5% loop [71] 17.0% ??? [96] 3.3% ------------------------------------------------------------------------ post-process [14] 21.4% loop [71] 78.6% [74] 1036(3.8%) 0(0.0%) completely-simplify-alt ...erbie/src/glue.rkt:87:0 simplify-expr [8] 100.0% ------------------------------------------------------------------------ merge-egraph-nodes! [46] 12.0% for-loop [45] 25.1% apply-match [37] 25.7% loop [71] 37.1% [75] 840(3.0%) 0(0.0%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 custom-set-union [83] 37.7% loop [71] 37.1% set [82] 25.1% ------------------------------------------------------------------------ loop [71] 100.0% [76] 666(2.4%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:18:0 f16 [65] 67.6% ??? [85] 32.4% ------------------------------------------------------------------------ for-loop [64] 31.2% loop [71] 33.6% map [70] 35.2% [77] 642(2.3%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:224:0 ??? [81] 68.8% ??? [86] 31.2% ------------------------------------------------------------------------ make-multiplication-node [72] 100.0% [78] 222(0.8%) 0(0.0%) make-multiplication-subnode ...re/reduce.rkt:231:0 for-loop [84] 100.0% ------------------------------------------------------------------------ ??? [73] 100.0% [79] 11384(41.3%) 516(1.9%) ??? ...acket/collects/racket/private/kw.rkt:400:14 ??? [91] 61.9% bf* [87] 19.0% ...higher-order.rkt:373:33 [88] 14.5% ------------------------------------------------------------------------ loop [71] 42.8% ??? [73] 57.2% [80] 7012(25.5%) 4988(18.1%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ??? [99] 28.9% ------------------------------------------------------------------------ ->flonum [77] 100.0% [81] 442(1.6%) 226(0.8%) ??? ...-racket/utils/simple-result-arrow.rkt:47:15 ??? [99] 48.9% ------------------------------------------------------------------------ loop! [75] 100.0% [82] 422(1.5%) 422(1.5%) set ...collects/racket/private/set-types.rkt:982:0 ------------------------------------------------------------------------ loop! [75] 100.0% [83] 418(1.5%) 202(0.7%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [89] 51.7% ------------------------------------------------------------------------ make-multiplication-subnode [78]100.0% [84] 222(0.8%) 222(0.8%) for-loop ...tlock/herbie/src/core/reduce.rkt:233:3 ------------------------------------------------------------------------ simplify [76] 100.0% [85] 216(0.8%) 0(0.0%) ??? /home/ztatlock/herbie/src/core/reduce.rkt:52:5 pattern-match [90] 100.0% ------------------------------------------------------------------------ ->flonum [77] 100.0% [86] 200(0.7%) 200(0.7%) ??? /home/ztatlock/herbie/src/config.rkt:29:0 ------------------------------------------------------------------------ ??? [79] 100.0% [87] 2168(7.9%) 0(0.0%) bf* ...ath/private/bigfloat/bigfloat-mpfr.rkt:95:0 ??? [91] 100.0% ------------------------------------------------------------------------ ??? [79] 100.0% [88] 1654(6.0%) 0(0.0%) ...higher-order.rkt:373:33 (unknown source) ??? [92] 100.0% ------------------------------------------------------------------------ custom-set-union [83] 100.0% [89] 216(0.8%) 0(0.0%) for-loop ...cts/racket/private/set-types.rkt:174:3 for-loop [93] 100.0% ------------------------------------------------------------------------ ??? [85] 100.0% [90] 216(0.8%) 0(0.0%) pattern-match .../herbie/src/core/matcher.rkt:47:0 constant? [94] 100.0% ------------------------------------------------------------------------ bf* [87] 23.5% ??? [79] 76.5% [91] 9214(33.5%) 2654(9.6%) ??? ...-racket/utils/simple-result-arrow.rkt:26:12 bfhypot [95] 42.0% bfatan [97] 15.8% ??? [98] 13.4% ------------------------------------------------------------------------ ...higher-order.rkt:373:33 [88] 100.0% [92] 1654(6.0%) 0(0.0%) ??? ...cts/racket/contract/private/list.rkt:187:10 ??? [96] 100.0% ------------------------------------------------------------------------ for-loop [89] 100.0% [93] 216(0.8%) 216(0.8%) for-loop ...cts/racket/private/set-types.rkt:178:5 ------------------------------------------------------------------------ pattern-match [90] 100.0% [94] 216(0.8%) 216(0.8%) constant? ...ck/herbie/src/syntax/syntax.rkt:221:0 ------------------------------------------------------------------------ ??? [91] 100.0% [95] 3872(14.1%) 3154(11.5%) bfhypot ...ib/math/private/bigfloat/mpfr.rkt:819:4 ??? [99] 18.5% ------------------------------------------------------------------------ loop [71] 9.8% ??? [73] 26.4% ??? [92] 63.8% [96] 2594(9.4%) 0(0.0%) ??? ...ects/racket/contract/private/guts.rkt:638:8 ??? [98] 100.0% ------------------------------------------------------------------------ ??? [91] 100.0% [97] 1456(5.3%) 998(3.6%) bfatan ...lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [99] 31.5% ------------------------------------------------------------------------ ??? [91] 32.2% ??? [96] 67.8% [98] 3826(13.9%) 1272(4.6%) ??? ...tract/private/arrow-higher-order.rkt:373:33 ??? [100] 66.8% ------------------------------------------------------------------------ ??? [81] 6.3% bfatan [97] 13.4% bfhypot [95] 21.0% real->bigfloat [80] 59.3% [99] 3416(12.4%) 3416(12.4%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ------------------------------------------------------------------------ ??? [98] 100.0% [100] 2554(9.3%) 674(2.4%) ??? ...llects/racket/contract/combinator.rkt:178:4 any-wrap/traverse [101] 73.6% ------------------------------------------------------------------------ ??? [100] 100.0% [101] 1880(6.8%) 1880(6.8%) any-wrap/traverse ...cket/utils/any-wrap.rkt:106:2 ------------------------------------------------------------------------