Diffusion Ant (type-hints-typescript) Code

ant/tests/bench.js
899dad6b8a9etype-hints-typescript

bench.js
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			/*
			* Javascript Micro benchmark
			*
			* Copyright (c) 2017-2019 Fabrice Bellard
			* Copyright (c) 2017-2019 Charlie Gordon
			*
			* Permission is hereby granted, free of charge, to any person obtaining a copy
			* of this software and associated documentation files (the "Software"), to deal
			* in the Software without restriction, including without limitation the rights
			* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
			* copies of the Software, and to permit persons to whom the Software is
			* furnished to do so, subject to the following conditions:
			*
			* The above copyright notice and this permission notice shall be included in
			* all copies or substantial portions of the Software.
			*
			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
			* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
			* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
			* THE SOFTWARE.
			*/

			function pad(str, n) {
			str += '';
			while (str.length < n) str += ' ';
			return str;
			}

			function pad_left(str, n) {
			str += '';
			while (str.length < n) str = ' ' + str;
			return str;
			}

			function pad_center(str, n) {
			str += '';
			while (str.length < n) {
			if ((n - str.length) & 1) str = str + ' ';
			else str = ' ' + str;
			}
			return str;
			}

			var ref_data;
			var log_data;

			var heads = ['TEST', 'N', 'TIME (ns)', 'REF (ns)', 'SCORE (%)'];
			var widths = [22, 10, 9, 9, 9];
			var precs = [0, 0, 2, 2, 2];
			var total = [0, 0, 0, 0, 0];
			var total_score = 0;
			var total_scale = 0;

			function log_line() {
			var i, n, s, a;
			s = '';
			for (i = 0, n = arguments.length; i < n; i++) {
			if (i > 0) s += ' ';
			a = arguments[i];
			if (typeof a == 'number') {
			total[i] += a;
			a = a.toFixed(precs[i]);
			a += '';
			s += pad_left(a, widths[i]);
			} else {
			s += pad_left(a, widths[i]);
			}
			}
			console.log(s);
			}

			var clocks_per_sec = 1000;
			var max_iterations = 10;
			var clock_threshold = 100; /* favoring short measuring spans */
			var min_n_argument = 1;
			var get_clock;
			if (typeof performance != 'undefined') get_clock = performance.now;
			else get_clock = Date.now;

			function log_one(text, n, ti) {
			var ref;

			if (ref_data) ref = ref_data[text];
			else ref = null;

			// XXX
			// ti = Math.round(ti * 100) / 100;
			log_data[text] = ti;
			if (typeof ref === 'number') {
			log_line(text, n, ti, ref, (ti * 100) / ref);
			total_score += (ti * 100) / ref;
			total_scale += 100;
			} else {
			log_line(text, n, ti);
			total_score += 100;
			total_scale += 100;
			}
			}

			function bench(f, text) {
			var i, j, n, t, t1, ti, nb_its, ref, ti_n, ti_n1, min_ti;

			nb_its = n = 1;
			if (f.bench) {
			ti_n = f(text);
			} else {
			ti_n = 1000000000;
			min_ti = clock_threshold / 10;
			for (i = 0; i < 30; i++) {
			// print("n=", n);
			ti = 1000000000;
			for (j = 0; j < max_iterations; j++) {
			t = get_clock();
			while ((t1 = get_clock()) == t) continue;
			nb_its = f(n);
			if (nb_its < 0) return; // test failure
			t1 = get_clock() - t1;
			if (ti > t1) ti = t1;
			}
			if (ti >= min_ti) {
			ti_n1 = ti / nb_its;
			if (ti_n > ti_n1) ti_n = ti_n1;
			}
			if (ti >= clock_threshold && n >= min_n_argument) break;
			n = n * [2, 2.5, 2][i % 3];
			}
			// to use only the best timing from the last loop, uncomment below
			//ti_n = ti / nb_its;
			}
			/* nano seconds per iteration */
			log_one(text, n, (ti_n * 1e9) / clocks_per_sec);
			}

			var global_res; /* to be sure the code is not optimized */

			function empty_loop(n) {
			var j;
			for (j = 0; j < n; j++) {}
			return n;
			}

			function date_now(n) {
			var j;
			for (j = 0; j < n; j++) {
			Date.now();
			}
			return n;
			}

			function prop_read(n) {
			var obj, sum, j;
			obj = { a: 1, b: 2, c: 3, d: 4 };
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += obj.a;
			sum += obj.b;
			sum += obj.c;
			sum += obj.d;
			}
			global_res = sum;
			return n * 4;
			}

			function prop_write(n) {
			var obj, j;
			obj = { a: 1, b: 2, c: 3, d: 4 };
			for (j = 0; j < n; j++) {
			obj.a = j;
			obj.b = j;
			obj.c = j;
			obj.d = j;
			}
			return n * 4;
			}

			function prop_update(n) {
			var obj, j;
			obj = { a: 1, b: 2, c: 3, d: 4 };
			for (j = 0; j < n; j++) {
			obj.a += j;
			obj.b += j;
			obj.c += j;
			obj.d += j;
			}
			return n * 4;
			}

			function prop_create(n) {
			var obj, i, j;
			for (j = 0; j < n; j++) {
			obj = {};
			obj.a = 1;
			obj.b = 2;
			obj.c = 3;
			obj.d = 4;
			obj.e = 5;
			obj.f = 6;
			obj.g = 7;
			obj.h = 8;
			obj.i = 9;
			obj.j = 10;
			for (i = 0; i < 10; i++) {
			obj[i] = i;
			}
			}
			return n * 20;
			}

			function prop_delete(n) {
			var obj, j, i, len;
			len = 1000;
			obj = {};
			for (i = 0; i < n; i++) {
			for (j = 0; j < len; j++) {
			obj[j] = 1;
			}
			for (j = 0; j < len; j++) {
			delete obj[j];
			}
			}
			return n * len;
			}

			function array_read(n) {
			var tab, len, sum, i, j;
			tab = [];
			len = 10;
			for (i = 0; i < len; i++) tab[i] = i;
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += tab[0];
			sum += tab[1];
			sum += tab[2];
			sum += tab[3];
			sum += tab[4];
			sum += tab[5];
			sum += tab[6];
			sum += tab[7];
			sum += tab[8];
			sum += tab[9];
			}
			global_res = sum;
			return len * n;
			}

			function array_write(n) {
			var tab, len, i, j;
			tab = [];
			len = 10;
			for (i = 0; i < len; i++) tab[i] = i;
			for (j = 0; j < n; j++) {
			tab[0] = j;
			tab[1] = j;
			tab[2] = j;
			tab[3] = j;
			tab[4] = j;
			tab[5] = j;
			tab[6] = j;
			tab[7] = j;
			tab[8] = j;
			tab[9] = j;
			}
			return len * n;
			}

			function array_update(n) {
			var tab, len, i, j;
			tab = [];
			len = 10;
			for (i = 0; i < len; i++) tab[i] = i;
			for (j = 0; j < n; j++) {
			tab[0] += j;
			tab[1] += j;
			tab[2] += j;
			tab[3] += j;
			tab[4] += j;
			tab[5] += j;
			tab[6] += j;
			tab[7] += j;
			tab[8] += j;
			tab[9] += j;
			}
			return len * n;
			}

			function array_prop_create(n) {
			var tab, i, j, len;
			len = 1000;
			for (j = 0; j < n; j++) {
			tab = [];
			for (i = 0; i < len; i++) tab[i] = i;
			}
			return len * n;
			}

			function array_length_read(n) {
			var tab, sum, j;
			tab = [1, 2, 3];
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += tab.length;
			sum += tab.length;
			sum += tab.length;
			sum += tab.length;
			}
			global_res = sum;
			return n * 4;
			}

			function array_length_decr(n) {
			var tab, i, j, len;
			len = 1000;
			for (j = 0; j < n; j++) {
			tab = [];
			for (i = 0; i < len; i++) tab[i] = i;
			for (i = len - 1; i >= 0; i--) tab.length = i;
			}
			return len * n;
			}

			function array_hole_length_decr(n) {
			var tab, i, j, len;
			len = 1000;
			tab = [];
			for (i = 0; i < len; i++) {
			if (i != 3) tab[i] = i;
			}
			for (j = 0; j < n; j++) {
			for (i = len - 1; i >= 0; i--) tab.length = i;
			}
			return len * n;
			}

			function array_push(n) {
			var tab, i, j, len;
			len = 500;
			for (j = 0; j < n; j++) {
			tab = [];
			for (i = 0; i < len; i++) tab.push(i);
			}
			return len * n;
			}

			function array_pop(n) {
			var tab, ref, i, j, len, sum;
			len = 500;
			ref = [];
			for (i = 0; i < len; i++) ref[i] = i;
			for (j = 0; j < n; j++) {
			tab = ref.slice();
			sum = 0;
			for (i = 0; i < len; i++) sum += tab.pop();
			global_res = sum;
			}
			return len * n;
			}

			function typed_array_read(n) {
			var tab, len, sum, i, j;
			len = 10;
			tab = new Int32Array(len);
			for (i = 0; i < len; i++) tab[i] = i;
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += tab[0];
			sum += tab[1];
			sum += tab[2];
			sum += tab[3];
			sum += tab[4];
			sum += tab[5];
			sum += tab[6];
			sum += tab[7];
			sum += tab[8];
			sum += tab[9];
			}
			global_res = sum;
			return len * n;
			}

			function typed_array_write(n) {
			var tab, len, i, j;
			len = 10;
			tab = new Int32Array(len);
			for (i = 0; i < len; i++) tab[i] = i;
			for (j = 0; j < n; j++) {
			tab[0] = j;
			tab[1] = j;
			tab[2] = j;
			tab[3] = j;
			tab[4] = j;
			tab[5] = j;
			tab[6] = j;
			tab[7] = j;
			tab[8] = j;
			tab[9] = j;
			}
			return len * n;
			}

			function closure_read(n) {
			function f(n) {
			var sum, j;
			var0 = 0;
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += var0;
			sum += var0;
			sum += var0;
			sum += var0;
			}
			global_res = sum;
			}
			var var0 = 0;
			f(n);
			return n * 4;
			}

			function closure_write(n) {
			function f(n) {
			var j;
			for (j = 0; j < n; j++) {
			var0 = j;
			var0 = j;
			var0 = j;
			var0 = j;
			}
			}
			var var0;

			f(n);
			return n * 4;
			}

			var global_var0;

			function global_read(n) {
			var sum, j;
			global_var0 = 0;
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += global_var0;
			sum += global_var0;
			sum += global_var0;
			sum += global_var0;
			}
			global_res = sum;
			return n * 4;
			}

			function global_write_strict(n) {
			var j;
			for (j = 0; j < n; j++) {
			global_var0 = j;
			global_var0 = j;
			global_var0 = j;
			global_var0 = j;
			}
			return n * 4;
			}

			function func_call(n) {
			function f(a) {
			return 1;
			}

			var j, sum;
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += f(j);
			sum += f(j);
			sum += f(j);
			sum += f(j);
			}
			global_res = sum;
			return n * 4;
			}

			function closure_var(n) {
			function f(a) {
			sum++;
			}

			var j, sum;
			sum = 0;
			for (j = 0; j < n; j++) {
			f(j);
			f(j);
			f(j);
			f(j);
			}
			global_res = sum;
			return n * 4;
			}

			function int_arith(n) {
			var i, j, sum;
			global_res = 0;
			for (j = 0; j < n; j++) {
			sum = 0;
			for (i = 0; i < 1000; i++) {
			sum += i * i;
			}
			global_res += sum;
			}
			return n * 1000;
			}

			function float_arith(n) {
			var i, j, sum, a, incr, a0;
			global_res = 0;
			a0 = 0.1;
			incr = 1.1;
			for (j = 0; j < n; j++) {
			sum = 0;
			a = a0;
			for (i = 0; i < 1000; i++) {
			sum += a * a;
			a += incr;
			}
			global_res += sum;
			}
			return n * 1000;
			}

			function bigfloat_arith(n) {
			var i, j, sum, a, incr, a0;
			global_res = 0;
			a0 = BigFloat('0.1');
			incr = BigFloat('1.1');
			for (j = 0; j < n; j++) {
			sum = 0;
			a = a0;
			for (i = 0; i < 1000; i++) {
			sum += a * a;
			a += incr;
			}
			global_res += sum;
			}
			return n * 1000;
			}

			function bigint_arith(n, bits) {
			var i, j, sum, a, incr, a0, sum0;
			sum0 = global_res = BigInt(0);
			a0 = BigInt(1) << BigInt(Math.floor((bits - 10) * 0.5));
			incr = BigInt(1);
			for (j = 0; j < n; j++) {
			sum = sum0;
			a = a0;
			for (i = 0; i < 1000; i++) {
			sum += a * a;
			a += incr;
			}
			global_res += sum;
			}
			return n * 1000;
			}

			function bigint64_arith(n) {
			return bigint_arith(n, 64);
			}

			function bigint256_arith(n) {
			return bigint_arith(n, 256);
			}

			function bigint_shift_floor(n) {
			var i, j, x, y;
			x = (BigInt(1) << BigInt(260)) + (BigInt(1) << BigInt(131)) + BigInt(123456789);
			y = BigInt(0);
			for (j = 0; j < n; j++) {
			for (i = 0; i < 500; i++) {
			x = (x << BigInt(3)) - BigInt(7);
			y += x >> BigInt(5);
			y += -x >> BigInt(7);
			}
			}
			global_res = x + y;
			return n * 1000;
			}

			function set_collection_add(n) {
			var s,
			i,
			j,
			len = 100;
			s = new Set();
			for (j = 0; j < n; j++) {
			for (i = 0; i < len; i++) {
			s.add(String(i), i);
			}
			for (i = 0; i < len; i++) {
			if (!s.has(String(i))) throw Error('bug in Set');
			}
			}
			return n * len;
			}

			function array_for(n) {
			var r, i, j, sum;
			r = [];
			for (i = 0; i < 100; i++) r[i] = i;
			for (j = 0; j < n; j++) {
			sum = 0;
			for (i = 0; i < 100; i++) {
			sum += r[i];
			}
			global_res = sum;
			}
			return n * 100;
			}

			function array_for_in(n) {
			var r, i, j, sum;
			r = [];
			for (i = 0; i < 100; i++) r[i] = i;
			for (j = 0; j < n; j++) {
			sum = 0;
			for (i in r) {
			sum += r[i];
			}
			global_res = sum;
			}
			return n * 100;
			}

			function array_for_of(n) {
			var r, i, j, sum;
			r = [];
			for (i = 0; i < 100; i++) r[i] = i;
			for (j = 0; j < n; j++) {
			sum = 0;
			for (i of r) {
			sum += i;
			}
			global_res = sum;
			}
			return n * 100;
			}

			function math_min(n) {
			var i, j, r;
			r = 0;
			for (j = 0; j < n; j++) {
			for (i = 0; i < 1000; i++) r = Math.min(i, 500);
			global_res = r;
			}
			return n * 1000;
			}

			function regexp_ascii(n) {
			var i, j, r, s;
			s = 'the quick brown fox jumped over the lazy dog';
			for (j = 0; j < n; j++) {
			for (i = 0; i < 1000; i++) r = /the quick brown fox/.exec(s);
			global_res = r;
			}
			return n * 1000;
			}

			function regexp_utf16(n) {
			var i, j, r, s;
			s = 'the quick brown ᶠᵒˣ jumped over the lazy ᵈᵒᵍ';
			for (j = 0; j < n; j++) {
			for (i = 0; i < 1000; i++) r = /the quick brown ᶠᵒˣ/.exec(s);
			global_res = r;
			}
			return n * 1000;
			}

			function regexp_replace(n) {
			var i, j, r, s;
			s = 'the quick abc brown fox jumped abc over the lazy dog';
			for (j = 0; j < n; j++) {
			for (i = 0; i < 1000; i++) r = s.replace(/abc /g, '-');
			global_res = r;
			}
			return n * 1000;
			}

			function string_length(n) {
			var str, sum, j;
			str = 'abcde';
			sum = 0;
			for (j = 0; j < n; j++) {
			sum += str.length;
			sum += str.length;
			sum += str.length;
			sum += str.length;
			}
			global_res = sum;
			return n * 4;
			}

			/* incremental string construction as local var */
			function string_build1(n) {
			var i, j, r;
			r = '';
			for (j = 0; j < n; j++) {
			for (i = 0; i < 100; i++) r += 'x';
			global_res = r;
			}
			return n * 100;
			}

			/* incremental string construction as arg */
			function string_build2(n, r) {
			var i, j;
			r = '';
			for (j = 0; j < n; j++) {
			for (i = 0; i < 100; i++) r += 'x';
			global_res = r;
			}
			return n * 100;
			}

			/* incremental string construction by prepending */
			function string_build3(n, r) {
			var i, j;
			r = '';
			for (j = 0; j < n; j++) {
			for (i = 0; i < 100; i++) r = 'x' + r;
			global_res = r;
			}
			return n * 100;
			}

			/* incremental string construction with multiple reference */
			function string_build4(n) {
			var i, j, r, s;
			r = '';
			for (j = 0; j < n; j++) {
			for (i = 0; i < 100; i++) {
			s = r;
			r += 'x';
			}
			global_res = r;
			}
			return n * 100;
			}

			/* sort bench */

			function sort_bench(text) {
			function random(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[(Math.random() * n) >> 0];
			}
			function random8(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[(Math.random() * 256) >> 0];
			}
			function random1(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[(Math.random() * 2) >> 0];
			}
			function hill(arr, n, def) {
			var mid = n >> 1;
			for (var i = 0; i < mid; i++) arr[i] = def[i];
			for (var i = mid; i < n; i++) arr[i] = def[n - i];
			}
			function comb(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[(i & 1) * i];
			}
			function crisscross(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[i & 1 ? n - i : i];
			}
			function zero(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[0];
			}
			function increasing(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[i];
			}
			function decreasing(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[n - 1 - i];
			}
			function alternate(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[i ^ 1];
			}
			function jigsaw(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[i % (n >> 4)];
			}
			function incbutone(arr, n, def) {
			for (var i = 0; i < n; i++) arr[i] = def[i];
			if (n > 0) arr[n >> 2] = def[n];
			}
			function incbutfirst(arr, n, def) {
			if (n > 0) arr[0] = def[n];
			for (var i = 1; i < n; i++) arr[i] = def[i];
			}
			function incbutlast(arr, n, def) {
			for (var i = 0; i < n - 1; i++) arr[i] = def[i + 1];
			if (n > 0) arr[n - 1] = def[0];
			}

			var sort_cases = [
			random,
			random8,
			random1,
			jigsaw,
			hill,
			comb,
			crisscross,
			zero,
			increasing,
			decreasing,
			alternate,
			incbutone,
			incbutlast,
			incbutfirst
			];

			var n = sort_bench.array_size \|\| 10000;
			var array_type = sort_bench.array_type \|\| Array;
			var def, arr;
			var i, j, x, y;
			var total = 0;

			var save_total_score = total_score;
			var save_total_scale = total_scale;

			// initialize default sorted array (n + 1 elements)
			def = new array_type(n + 1);
			if (array_type == Array) {
			for (i = 0; i <= n; i++) {
			def[i] = i + '';
			}
			} else {
			for (i = 0; i <= n; i++) {
			def[i] = i;
			}
			}
			def.sort();
			for (var f of sort_cases) {
			var ti = 0,
			tx = 0;
			for (j = 0; j < 100; j++) {
			arr = new array_type(n);
			f(arr, n, def);
			var t1 = get_clock();
			arr.sort();
			t1 = get_clock() - t1;
			tx += t1;
			if (!ti \|\| ti > t1) ti = t1;
			if (tx >= clocks_per_sec) break;
			}
			total += ti;

			i = 0;
			x = arr[0];
			if (x !== void 0) {
			for (i = 1; i < n; i++) {
			y = arr[i];
			if (y === void 0) break;
			if (x > y) break;
			x = y;
			}
			}
			while (i < n && arr[i] === void 0) i++;
			if (i < n) {
			console.log('sort_bench: out of order error for ' + f.name + ' at offset ' + (i - 1) + ': ' + arr[i - 1] + ' > ' + arr[i]);
			}
			if (sort_bench.verbose) log_one('sort_' + f.name, n, ti, n * 100);
			}
			total_score = save_total_score;
			total_scale = save_total_scale;
			return total / n / 1000;
			}
			sort_bench.bench = true;
			sort_bench.verbose = false;

			function int_to_string(n) {
			var s, r, j;
			r = 0;
			for (j = 0; j < n; j++) {
			s = (j + 1).toString();
			}
			return n;
			}

			function float_to_string(n) {
			var s, r, j;
			r = 0;
			for (j = 0; j < n; j++) {
			s = (j + 0.1).toString();
			}
			return n;
			}

			function string_to_int(n) {
			var s, r, j;
			r = 0;
			s = '12345';
			r = 0;
			for (j = 0; j < n; j++) {
			r += s \| 0;
			}
			global_res = r;
			return n;
			}

			function string_to_float(n) {
			var s, r, j;
			r = 0;
			s = '12345.6';
			r = 0;
			for (j = 0; j < n; j++) {
			r -= s;
			}
			global_res = r;
			return n;
			}

			function load_result(filename) {
			var f, str, res;
			if (typeof std === 'undefined') return null;
			f = std.open(filename, 'r');
			if (!f) return null;
			str = f.readAsString();
			res = JSON.parse(str);
			f.close();
			return res;
			}

			function save_result(filename, obj) {
			var f;
			if (typeof std === 'undefined') return;
			f = std.open(filename, 'w');
			f.puts(JSON.stringify(obj, null, 2));
			f.puts('\n');
			f.close();
			}

			function get_cli_args(argc, argv) {
			if (argv && argc > 0) return Array.prototype.slice.call(argv, 1, argc);
			if (typeof process !== 'undefined' && process && process.argv) return process.argv.slice(2);
			return [];
			}

			function main(argc, argv, g) {
			var test_list = [
			empty_loop,
			date_now,
			prop_read,
			prop_write,
			prop_update,
			prop_create,
			prop_delete,
			array_read,
			array_write,
			array_update,
			array_prop_create,
			array_length_read,
			array_length_decr,
			// array_hole_length_decr,
			array_push,
			array_pop,
			typed_array_read,
			typed_array_write,
			closure_read,
			closure_write,
			global_read,
			global_write_strict,
			func_call,
			closure_var,
			int_arith,
			float_arith,
			// set_collection_add,
			array_for,
			array_for_in,
			array_for_of,
			math_min,
			regexp_ascii,
			regexp_utf16,
			regexp_replace,
			string_length,
			string_build1,
			string_build2,
			//string_build3,
			//string_build4,
			sort_bench,
			int_to_string,
			float_to_string,
			string_to_int,
			string_to_float
			];
			var tests = [];
			var args = get_cli_args(argc, argv);
			var i, j, n, f, name, found, exact;

			if (typeof BigInt == 'function') {
			/* BigInt test */
			test_list.push(bigint64_arith);
			test_list.push(bigint256_arith);
			test_list.push(bigint_shift_floor);
			}

			for (i = 0; i < args.length; ) {
			name = args[i++];
			if (name == '-a') {
			sort_bench.verbose = true;
			continue;
			}
			if (name == '-t') {
			name = args[i++];
			sort_bench.array_type = g[name];
			if (typeof sort_bench.array_type != 'function') {
			console.log('unknown array type: ' + name);
			return 1;
			}
			continue;
			}
			if (name == '-n') {
			sort_bench.array_size = +args[i++];
			continue;
			}

			exact = null;
			for (j = 0; j < test_list.length; j++) {
			f = test_list[j];
			if (f.name === name) {
			exact = f;
			break;
			}
			}
			if (exact) {
			tests.push(exact);
			continue;
			}

			for (j = 0, found = false; j < test_list.length; j++) {
			f = test_list[j];
			if (f.name.slice(0, name.length) === name) {
			tests.push(f);
			found = true;
			}
			}
			if (!found) {
			console.log('unknown benchmark: ' + name);
			return 1;
			}
			}
			if (tests.length == 0) tests = test_list;

			ref_data = load_result('microbench.txt');
			log_data = {};
			log_line.apply(null, heads);
			n = 0;

			for (i = 0; i < tests.length; i++) {
			f = tests[i];
			bench(f, f.name, ref_data, log_data);
			if (ref_data && ref_data[f.name]) n++;
			}
			if (ref_data) log_line('total', '', total[2], total[3], (total_score * 100) / total_scale);
			else log_line('total', '', total[2]);

			if (tests == test_list) save_result('microbench-new.txt', log_data);
			}

			main(0, null, this);

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