// Copyright 2012 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // These tests used to time out before this was fixed. var LEN = 2e4; function short() { var sum = 0; for (var i = 0; i < 1000; i++) { var a = [1, 4, 34, 23, 6, 123, 3, 2, 11, 515, 4, 33, 22, 2, 2, 1, 0, 123, 23, 42, 43, 1002, 44, 43, 101, 23, 55, 11, 101, 102, 45, 11, 404, 31415, 34, 53, 453, 45, 34, 5, 2, 35, 5, 345, 36, 45, 345, 3, 45, 3, 5, 5, 2, 2342344, 2234, 23, 2718, 1500, 2, 19, 22, 43, 41, 0, -1, 33, 45, 78]; a.sort(function(a, b) { return a - b; }); sum += a[0]; } return sum; } function short_bench(name, array) { var start = new Date(); short(); var end = new Date(); var ms = end - start; print("Short " + Math.floor(ms) + "ms"); } function sawseq(a, tooth) { var count = 0; while (true) { for (var i = 0; i < tooth; i++) { a.push(i); if (++count >= LEN) return a; } } } function sawseq2(a, tooth) { var count = 0; while (true) { for (var i = 0; i < tooth; i++) { a.push(i); if (++count >= LEN) return a; } for (var i = 0; i < tooth; i++) { a.push(tooth - i); if (++count >= LEN) return a; } } } function sawseq3(a, tooth) { var count = 0; while (true) { for (var i = 0; i < tooth; i++) { a.push(tooth - i); if (++count >= LEN) return a; } } } function up(a) { for (var i = 0; i < LEN; i++) { a.push(i); } return a; } function down(a) { for (var i = 0; i < LEN; i++) { a.push(LEN - i); } return a; } function ran(a) { for (var i = 0; i < LEN; i++) { a.push(Math.floor(Math.random() * LEN)); } return a; } var random = ran([]); var asc = up([]); var desc = down([]); var asc_desc = down(up([])); var desc_asc = up(down([])); var asc_asc = up(up([])); var desc_desc = down(down([])); var saw1 = sawseq([], 1000); var saw2 = sawseq([], 500); var saw3 = sawseq([], 200); var saw4 = sawseq2([], 200); var saw5 = sawseq3([], 200); function bench(name, array) { var start = new Date(); array.sort(function(a, b) { return a - b; }); var end = new Date(); for (var i = 0; i < array.length - 1; i++) { if (array[i] > array[i + 1]) throw name + " " + i; } var ms = end - start; print(name + " " + Math.floor(ms) + "ms"); } short_bench(); bench("random", random); bench("up", asc); bench("down", desc); bench("saw 1000", saw1); bench("saw 500", saw2); bench("saw 200", saw3); bench("saw 200 symmetric", saw4); bench("saw 200 down", saw4); bench("up, down", asc_desc); bench("up, up", asc_asc); bench("down, down", desc_desc); bench("down, up", desc_asc);