Profiling results ----------------- Total cpu time observed: 15782ms (out of 16116ms) Number of samples taken: 70 (once every 225ms) ======================================================================== Caller Idx Total Self Name+src Local% ms(pct) ms(pct) Callee ======================================================================== ??? [36] 100.0% [1] 15178(96.2%) 0(0.0%) profile-thunk16 ...t/pkgs/profile-lib/main.rkt:9:0 run [10] 100.0% ------------------------------------------------------------------------ ??? [36] 100.0% [2] 8526(54.0%) 0(0.0%) run-improve58 ...ock/herbie/src/mainloop.rkt:244:0 for-loop [11] 79.2% get-final-combination [13] 20.8% ------------------------------------------------------------------------ loop [72] 4.4% ??? [36] 95.6% [3] 4560(28.9%) 0(0.0%) simplify ...lock/herbie/src/core/simplify.rkt:39:0 simplify-expr [12] 54.2% iterate-egraph!5 [20] 26.9% for-loop [18] 18.9% ------------------------------------------------------------------------ hash-ref! [78] 100.0% [4] 1308(8.3%) 0(0.0%) simplify ...atlock/herbie/src/core/reduce.rkt:15:0 parse-loop12 [69] 50.8% f6 [26] 49.2% ------------------------------------------------------------------------ location-do [51] 100.0% [5] 1308(8.3%) 0(0.0%) approximate9 ...ck/herbie/src/core/taylor.rkt:12:0 loop [14] 100.0% ------------------------------------------------------------------------ hash-ref! [78] 100.0% [6] 1308(8.3%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:295:23 for-loop [16] 100.0% ------------------------------------------------------------------------ hash-ref! [78] 100.0% [7] 1308(8.3%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:392:23 for-loop [15] 100.0% ------------------------------------------------------------------------ hash-ref! [78] 100.0% [8] 1086(6.9%) 0(0.0%) ??? .../ztatlock/herbie/src/core/taylor.rkt:483:23 for-loop [17] 100.0% ------------------------------------------------------------------------ map [63] 33.3% loop [72] 66.7% [9] 208(1.3%) 0(0.0%) ??? ...ket/collects/racket/private/list.rkt:323:18 hash-ref! [78] 66.7% map [63] 33.3% ------------------------------------------------------------------------ profile-thunk16 [1] 100.0% [10] 15178(96.2%) 0(0.0%) run ...share/racket/pkgs/profile-lib/main.rkt:39:2 ??? [36] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [11] 6756(42.8%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:255:8 run-iter! [19] 100.0% ------------------------------------------------------------------------ simplify [3] 100.0% [12] 2472(15.7%) 0(0.0%) simplify-expr ...herbie/src/core/simplify.rkt:68:0 iterate-egraph!5 [20] 100.0% ------------------------------------------------------------------------ run-improve58 [2] 100.0% [13] 1770(11.2%) 0(0.0%) get-final-combination ...ie/src/mainloop.rkt:271:0 split-table [21] 88.6% extract-alt [23] 11.4% ------------------------------------------------------------------------ approximate9 [5] 100.0% [14] 1308(8.3%) 0(0.0%) loop ...e/ztatlock/herbie/src/core/taylor.rkt:83:4 hash-ref! [78] 100.0% ------------------------------------------------------------------------ ??? [7] 100.0% [15] 1308(8.3%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:396:33 for-loop [22] 100.0% ------------------------------------------------------------------------ ??? [6] 100.0% [16] 1308(8.3%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:298:27 hash-ref! [78] 100.0% ------------------------------------------------------------------------ ??? [8] 100.0% [17] 1086(6.9%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:487:35 parse-loop12 [69] 100.0% ------------------------------------------------------------------------ simplify [3] 100.0% [18] 862(5.5%) 260(1.6%) for-loop ...ock/herbie/src/core/simplify.rkt:61:12 iterate-egraph!5 [20] 69.8% ------------------------------------------------------------------------ for-loop [11] 100.0% [19] 6756(42.8%) 0(0.0%) run-iter! ...tatlock/herbie/src/mainloop.rkt:225:0 simplify! [24] 64.5% gen-series! [27] 19.4% finalize-iter! [28] 13.1% localize-error [29] 3.1% ------------------------------------------------------------------------ for-loop [18] 14.0% simplify [3] 28.5% simplify-expr [12] 57.5% [20] 4300(27.2%) 0(0.0%) iterate-egraph!5 ...bie/src/core/simplify.rkt:95:0 one-iter [25] 100.0% ------------------------------------------------------------------------ get-final-combination [13] 100.0% [21] 1568(9.9%) 0(0.0%) split-table .../ztatlock/herbie/src/glue.rkt:171:0 f6 [26] 100.0% ------------------------------------------------------------------------ for-loop [15] 100.0% [22] 1308(8.3%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:398:39 hash-ref! [78] 100.0% ------------------------------------------------------------------------ get-final-combination [13] 100.0% [23] 202(1.3%) 0(0.0%) extract-alt ...e/ztatlock/herbie/src/glue.rkt:57:0 loop [72] 100.0% ------------------------------------------------------------------------ run-iter! [19] 100.0% [24] 4358(27.6%) 0(0.0%) simplify! ...tatlock/herbie/src/mainloop.rkt:164:0 for-loop [30] 100.0% ------------------------------------------------------------------------ iterate-egraph!5 [20] 100.0% [25] 4300(27.2%) 0(0.0%) one-iter ...ock/herbie/src/core/simplify.rkt:106:0 for-loop [31] 67.3% loop [34] 23.4% apply-match [37] 9.3% ------------------------------------------------------------------------ parse-loop12 [69] 1.5% map [63] 6.1% hash-ref! [78] 8.6% simplify [4] 19.0% split-table [21] 64.8% [26] 2420(15.3%) 0(0.0%) f6 ...et/collects/racket/match/compiler.rkt:507:40 option-on-expr [32] 64.8% map [63] 35.2% ------------------------------------------------------------------------ run-iter! [19] 100.0% [27] 1308(8.3%) 0(0.0%) gen-series! ...tlock/herbie/src/mainloop.rkt:136:0 for-loop [33] 100.0% ------------------------------------------------------------------------ run-iter! [19] 100.0% [28] 882(5.6%) 0(0.0%) finalize-iter! ...ck/herbie/src/mainloop.rkt:179:0 ??? [35] 100.0% ------------------------------------------------------------------------ run-iter! [19] 100.0% [29] 208(1.3%) 0(0.0%) localize-error ...erbie/src/core/localize.rkt:47:0 hash-ref! [78] 100.0% ------------------------------------------------------------------------ simplify! [24] 100.0% [30] 4358(27.6%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:168:6 ??? [36] 100.0% ------------------------------------------------------------------------ for-loop [31] 46.5% one-iter [25] 53.5% [31] 2894(18.3%) 602(3.8%) for-loop ...ck/herbie/src/core/simplify.rkt:116:12 for-loop [31] 46.5% match-e [43] 39.6% ------------------------------------------------------------------------ f6 [26] 100.0% [32] 1568(9.9%) 0(0.0%) option-on-expr ...erbie/src/core/regimes.rkt:110:0 sort-context-on-expr [38] 84.3% pick-errors [41] 15.7% ------------------------------------------------------------------------ gen-series! [27] 100.0% [33] 1308(8.3%) 0(0.0%) for-loop ...ztatlock/herbie/src/mainloop.rkt:142:7 taylor-alt [39] 100.0% ------------------------------------------------------------------------ one-iter [25] 100.0% [34] 1006(6.4%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:52:19 apply-match [37] 100.0% ------------------------------------------------------------------------ finalize-iter! [28] 100.0% [35] 882(5.6%) 0(0.0%) ??? ...contract/private/arrow-val-first.rkt:357:18 for-loop [40] 100.0% ------------------------------------------------------------------------ for-loop [30] 9.6% run [10] 43.9% [36] 15782(100.0%) 0(0.0%) ??? ...lects/racket/private/more-scheme.rkt:261:28 profile-thunk16 [1] 43.9% loop [42] 23.6% run-improve58 [2] 22.8% simplify [3] 9.6% ------------------------------------------------------------------------ one-iter [25] 28.4% loop [34] 71.6% [37] 1406(8.9%) 0(0.0%) apply-match .../herbie/src/core/simplify.rkt:122:2 match-e [43] 28.6% loop! [82] 28.6% merge-egraph-nodes! [47] 28.4% substitute-e [49] 14.4% ------------------------------------------------------------------------ option-on-expr [32] 100.0% [38] 1322(8.4%) 0(0.0%) sort-context-on-expr ...herbie/src/points.rkt:47:0 ??? [44] 100.0% ------------------------------------------------------------------------ for-loop [33] 100.0% [39] 1308(8.3%) 0(0.0%) taylor-alt ...e/ztatlock/herbie/src/glue.rkt:142:0 for-loop [45] 100.0% ------------------------------------------------------------------------ ??? [35] 100.0% [40] 882(5.6%) 0(0.0%) for-loop ...ock/herbie/src/core/alt-table.rkt:51:2 atab-add-altn [46] 100.0% ------------------------------------------------------------------------ option-on-expr [32] 100.0% [41] 246(1.6%) 0(0.0%) pick-errors ...k/herbie/src/core/regimes.rkt:177:0 for-loop [48] 100.0% ------------------------------------------------------------------------ ??? [36] 100.0% [42] 7256(46.0%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:119:2 make-exacts* [57] 57.0% loop [50] 43.0% ------------------------------------------------------------------------ apply-match [37] 14.9% for-loop [31] 85.1% [43] 2694(17.1%) 1088(6.9%) match-e ...tatlock/herbie/src/core/ematch.rkt:46:0 for-loop [53] 37.3% loop [72] 14.9% for-loop [61] 7.4% ------------------------------------------------------------------------ sort-context-on-expr [38] 100.0% [44] 1322(8.4%) 0(0.0%) ??? ...cket/collects/racket/private/sort.rkt:403:3 generic-sort/key [52] 84.7% loop [64] 15.3% ------------------------------------------------------------------------ taylor-alt [39] 100.0% [45] 1308(8.3%) 0(0.0%) for-loop /home/ztatlock/herbie/src/glue.rkt:144:2 location-do [51] 100.0% ------------------------------------------------------------------------ for-loop [40] 100.0% [46] 882(5.6%) 0(0.0%) atab-add-altn ...rbie/src/core/alt-table.rkt:208:0 best-and-tied-at-points [54] 100.0% ------------------------------------------------------------------------ merge-egraph-nodes! [47] 25.0% apply-match [37] 75.0% [47] 400(2.5%) 0(0.0%) merge-egraph-nodes! ...e/src/core/egraph.rkt:152:0 update-leader! [55] 75.0% merge-egraph-nodes! [47] 25.0% ------------------------------------------------------------------------ pick-errors [41] 100.0% [48] 246(1.6%) 0(0.0%) for-loop ...lock/herbie/src/core/regimes.rkt:180:4 eval-prog [73] 100.0% ------------------------------------------------------------------------ apply-match [37] 100.0% [49] 202(1.3%) 0(0.0%) substitute-e ...ck/herbie/src/core/ematch.rkt:71:0 mk-enode! [56] 100.0% ------------------------------------------------------------------------ loop [42] 100.0% [50] 3120(19.8%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:90:2 loop [58] 61.7% make-exacts* [57] 38.3% ------------------------------------------------------------------------ for-loop [45] 33.3% location-do [51] 66.7% [51] 1308(8.3%) 0(0.0%) location-do ...tlock/herbie/src/programs.rkt:226:0 location-do [51] 66.7% approximate9 [5] 33.3% ------------------------------------------------------------------------ ??? [44] 100.0% [52] 1120(7.1%) 0(0.0%) generic-sort/key .../racket/private/sort.rkt:185:2 copying-mergesort [59] 100.0% ------------------------------------------------------------------------ match-e [43] 100.0% [53] 1004(6.4%) 804(5.1%) for-loop ...tlock/herbie/src/core/ematch.rkt:59:11 for-loop [61] 19.9% ------------------------------------------------------------------------ atab-add-altn [46] 100.0% [54] 882(5.6%) 0(0.0%) best-and-tied-at-points ...ore/alt-table.rkt:122:0 errors [60] 100.0% ------------------------------------------------------------------------ merge-egraph-nodes! [47] 100.0% [55] 400(2.5%) 200(1.3%) update-leader! ...herbie/src/core/egraph.rkt:217:0 for-loop [62] 50.0% ------------------------------------------------------------------------ substitute-e [49] 100.0% [56] 202(1.3%) 202(1.3%) mk-enode! ...lock/herbie/src/core/egraph.rkt:101:0 ------------------------------------------------------------------------ loop [50] 22.4% loop [42] 77.6% [57] 5332(33.8%) 0(0.0%) make-exacts* ...tatlock/herbie/src/points.rkt:77:0 loop [72] 67.0% map [63] 33.0% ------------------------------------------------------------------------ loop [50] 100.0% [58] 1924(12.2%) 0(0.0%) loop /home/ztatlock/herbie/src/points.rkt:80:4 map [63] 100.0% ------------------------------------------------------------------------ copying-mergesort [59] 43.6% generic-sort/key [52] 56.4% [59] 1120(7.1%) 0(0.0%) copying-mergesort ...racket/private/sort.rkt:130:8 loop [64] 46.6% copying-mergesort [59] 43.6% jloop [65] 9.8% ------------------------------------------------------------------------ best-and-tied-at-points [54] 100.0% [60] 882(5.6%) 0(0.0%) errors /home/ztatlock/herbie/src/points.rkt:142:0 eval-prog [73] 50.1% for-loop [66] 24.9% ??? [67] 24.9% ------------------------------------------------------------------------ match-e [43] 50.0% for-loop [53] 50.0% [61] 400(2.5%) 400(2.5%) for-loop ...tlock/herbie/src/core/ematch.rkt:65:37 ------------------------------------------------------------------------ update-leader! [55] 100.0% [62] 200(1.3%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:222:6 for-loop [68] 100.0% ------------------------------------------------------------------------ ??? [9] 2.1% parse-loop12 [69] 8.5% f6 [26] 15.1% make-exacts* [57] 35.5% loop [58] 38.8% [63] 4960(31.4%) 0(0.0%) map ...acket/collects/racket/private/map.rkt:20:13 loop [72] 82.8% parse-loop12 [69] 9.3% f6 [26] 3.0% ??? [9] 2.1% ->flonum [79] 2.1% make-multiplication-node [75] 0.7% ------------------------------------------------------------------------ ??? [44] 22.9% copying-mergesort [59] 77.1% [64] 884(5.6%) 0(0.0%) loop ...ket/collects/racket/private/sort.rkt:97:12 ??? [70] 100.0% ------------------------------------------------------------------------ copying-mergesort [59] 100.0% [65] 438(2.8%) 0(0.0%) jloop ...t/collects/racket/private/sort.rkt:121:23 ??? [70] 100.0% ------------------------------------------------------------------------ errors [60] 100.0% [66] 220(1.4%) 220(1.4%) for-loop ...e/ztatlock/herbie/src/points.rkt:145:4 ------------------------------------------------------------------------ errors [60] 100.0% [67] 220(1.4%) 220(1.4%) ??? ...cket/collects/racket/private/for.rkt:1146:9 ------------------------------------------------------------------------ for-loop [62] 100.0% [68] 200(1.3%) 0(0.0%) for-loop ...tlock/herbie/src/core/egraph.rkt:223:8 hash-update! [71] 100.0% ------------------------------------------------------------------------ simplify [4] 9.0% hash-ref! [78] 13.7% for-loop [17] 14.5% loop [72] 17.2% map [63] 20.2% parse-loop12 [69] 25.4% [69] 1516(9.6%) 644(4.1%) parse-loop12 ...s/racket/match/compiler.rkt:418:15 loop [72] 27.2% parse-loop12 [69] 25.4% f6 [26] 14.6% for-loop [74] 14.5% map [63] 6.3% make-multiplication-node [75] 2.6% ------------------------------------------------------------------------ jloop [65] 33.1% loop [64] 66.9% [70] 1322(8.4%) 0(0.0%) ??? /home/ztatlock/herbie/src/points.rkt:49:27 eval-prog [73] 100.0% ------------------------------------------------------------------------ for-loop [68] 100.0% [71] 200(1.3%) 0(0.0%) hash-update! ...ket/private/more-scheme.rkt:362:13 ??? [76] 100.0% ------------------------------------------------------------------------ make-exacts* [57] 0.1% loop! [82] 0.4% extract-alt [23] 1.1% match-e [43] 4.3% map [63] 4.7% parse-loop12 [69] 5.3% loop [72] 84.1% [72] 9356(59.3%) 0(0.0%) loop ...cket/collects/racket/private/map.rkt:25:19 loop [72] 84.1% parse-loop12 [69] 8.6% foldl [81] 4.3% simplify [3] 1.1% ??? [83] 0.9% loop! [82] 0.4% ??? [9] 0.3% ??? [77] 0.3% ->flonum [79] 0.0% ------------------------------------------------------------------------ for-loop [48] 12.2% errors [60] 22.0% ??? [70] 65.8% [73] 2010(12.7%) 1810(11.5%) eval-prog ...tatlock/herbie/src/programs.rkt:259:0 parse-lambda [84] 10.0% ------------------------------------------------------------------------ parse-loop12 [69] 100.0% [74] 1086(6.9%) 0(0.0%) for-loop ...lock/herbie/src/core/taylor.rkt:490:59 hash-ref! [78] 100.0% ------------------------------------------------------------------------ parse-loop12 [69] 47.4% map [63] 52.6% [75] 422(2.7%) 0(0.0%) make-multiplication-node .../core/reduce.rkt:219:0 make-multiplication-subnode [80]100.0% ------------------------------------------------------------------------ hash-update! [71] 100.0% [76] 200(1.3%) 0(0.0%) ??? .../ztatlock/herbie/src/core/egraph.rkt:225:24 for-loop [85] 100.0% ------------------------------------------------------------------------ loop [72] 100.0% [77] 6984(44.3%) 0(0.0%) ??? /home/ztatlock/herbie/src/programs.rkt:265:4 ??? [86] 92.4% ??? [88] 7.6% ------------------------------------------------------------------------ localize-error [29] 4.6% ??? [9] 9.1% for-loop [74] 11.8% ??? [87] 15.5% loop [14] 15.5% for-loop [16] 21.7% for-loop [22] 21.7% [78] 1516(9.6%) 0(0.0%) hash-ref! ...racket/private/more-scheme.rkt:373:13 ??? [7] 21.7% ??? [6] 21.7% ??? [87] 15.5% simplify [4] 15.5% ??? [8] 11.8% parse-loop12 [69] 9.1% f6 [26] 4.6% ------------------------------------------------------------------------ map [63] 43.3% loop [72] 56.7% [79] 480(3.0%) 0(0.0%) ->flonum ...ock/herbie/src/syntax/syntax.rkt:230:0 ??? [89] 100.0% ------------------------------------------------------------------------ make-multiplication-node [75] 100.0% [80] 422(2.7%) 0(0.0%) make-multiplication-subnode ...re/reduce.rkt:229:0 group-by68 [92] 52.6% compose [93] 47.4% ------------------------------------------------------------------------ loop [72] 100.0% [81] 402(2.5%) 0(0.0%) foldl ...et/collects/racket/private/list.rkt:229:4 merge2 [90] 100.0% ------------------------------------------------------------------------ loop [72] 25.1% apply-match [37] 74.9% [82] 402(2.5%) 202(1.3%) loop! .../ztatlock/herbie/src/core/enode.rkt:163:2 custom-set-union [94] 49.8% loop [72] 25.1% ------------------------------------------------------------------------ loop [72] 100.0% [83] 242(1.5%) 0(0.0%) ??? /home/ztatlock/herbie/src/core/reduce.rkt:50:5 for-loop [91] 100.0% ------------------------------------------------------------------------ eval-prog [73] 100.0% [84] 200(1.3%) 200(1.3%) parse-lambda ...llects/racket/private/kw.rkt:437:2 ------------------------------------------------------------------------ ??? [76] 100.0% [85] 200(1.3%) 200(1.3%) for-loop ...lock/herbie/src/core/egraph.rkt:226:26 ------------------------------------------------------------------------ ??? [77] 100.0% [86] 6454(40.9%) 0(0.0%) ??? ...acket/collects/racket/private/kw.rkt:444:14 ??? [95] 100.0% ------------------------------------------------------------------------ hash-ref! [78] 100.0% [87] 1308(8.3%) 0(0.0%) ??? ...e/ztatlock/herbie/src/core/taylor.rkt:43:15 hash-ref! [78] 100.0% ------------------------------------------------------------------------ ??? [77] 100.0% [88] 530(3.4%) 0(0.0%) ??? ...contract/private/../../private/kw.rkt:761:9 real->bigfloat [96] 100.0% ------------------------------------------------------------------------ ->flonum [79] 100.0% [89] 480(3.0%) 208(1.3%) ??? /home/ztatlock/herbie/src/config.rkt:48:0 return/no-unsupplied [97] 56.7% ------------------------------------------------------------------------ foldl [81] 100.0% [90] 402(2.5%) 402(2.5%) merge2 ...ztatlock/herbie/src/core/ematch.rkt:31:0 ------------------------------------------------------------------------ ??? [83] 100.0% [91] 242(1.5%) 0(0.0%) for-loop ...atlock/herbie/src/core/reduce.rkt:51:7 pattern-match [98] 100.0% ------------------------------------------------------------------------ make-multiplication-subnode [80]100.0% [92] 222(1.4%) 222(1.4%) group-by68 ...acket/collects/racket/list.rkt:749:0 ------------------------------------------------------------------------ make-multiplication-subnode [80]100.0% [93] 200(1.3%) 200(1.3%) compose ...collects/racket/private/list.rkt:385:12 ------------------------------------------------------------------------ loop! [82] 100.0% [94] 200(1.3%) 0(0.0%) custom-set-union ...et/private/set-types.rkt:168:0 for-loop [99] 100.0% ------------------------------------------------------------------------ ??? [86] 100.0% [95] 6454(40.9%) 3808(24.1%) ??? ...-racket/utils/simple-result-arrow.rkt:39:12 bfadd [100] 34.8% bfsqr [101] 6.2% ------------------------------------------------------------------------ ??? [88] 100.0% [96] 530(3.4%) 530(3.4%) real->bigfloat .../private/bigfloat/mpfr.rkt:451:0 ------------------------------------------------------------------------ ??? [89] 100.0% [97] 272(1.7%) 272(1.7%) return/no-unsupplied ...ct/private/arr-i.rkt:533:0 ------------------------------------------------------------------------ for-loop [91] 100.0% [98] 242(1.5%) 0(0.0%) pattern-match .../herbie/src/core/matcher.rkt:47:0 for-loop [102] 100.0% ------------------------------------------------------------------------ custom-set-union [94] 100.0% [99] 200(1.3%) 0(0.0%) for-loop ...cts/racket/private/set-types.rkt:174:3 for-loop [103] 100.0% ------------------------------------------------------------------------ ??? [95] 100.0% [100] 2248(14.2%) 1808(11.5%) bfadd ...-lib/math/private/bigfloat/mpfr.rkt:819:4 ??? [104] 19.6% ------------------------------------------------------------------------ ??? [95] 100.0% [101] 398(2.5%) 180(1.1%) bfsqr ...-lib/math/private/bigfloat/mpfr.rkt:616:4 ??? [104] 54.8% ------------------------------------------------------------------------ pattern-match [98] 100.0% [102] 242(1.5%) 242(1.5%) for-loop ...tlock/herbie/src/core/matcher.rkt:65:9 ------------------------------------------------------------------------ for-loop [99] 100.0% [103] 200(1.3%) 200(1.3%) for-loop ...cts/racket/private/set-types.rkt:178:5 ------------------------------------------------------------------------ bfsqr [101] 33.1% bfadd [100] 66.9% [104] 658(4.2%) 658(4.2%) ??? .../share/racket/collects/ffi/unsafe.rkt:861:4 ------------------------------------------------------------------------