🚧 progress: Add code to bench and profile split and iterators.

Author: make-github-pseudonymous-again

_benchmark/package.json

@@ -4,6 +4,7 @@
     "bench": "node main.js"
   },
   "dependencies": {
+    "@iterable-iterator/consume": "^1.0.1",
     "@iterable-iterator/range": "^2.1.0",
     "argparse": "^2.0.1",
     "benchmark": "^2.1.4",

_benchmark/table.js

@@ -4,6 +4,7 @@ import {ArgumentParser} from 'argparse';
 import Benchtable from 'benchtable';
 
 import {range} from '@iterable-iterator/range';
+import {exhaust} from '@iterable-iterator/consume';
 
 import {
 	FAST_COUNTER as COUNTER,
@@ -103,6 +104,16 @@ const fds_finger_tree = {
 					for (let i = 0; i < _n; ++i) _s[i][0].concat(_s[i][1]);
 				},
 			},
+			iterator: {
+				run: () => {
+					exhaust(at[Symbol.iterator]());
+				},
+			},
+			reversed: {
+				run: () => {
+					exhaust(at.reversed());
+				},
+			},
 		},
 	}),
 };
@@ -125,6 +136,8 @@ await add(modern, fds_finger_tree, 'append');
 await add(modern, fds_finger_tree, 'prepend');
 await add(modern, fds_finger_tree, 'split');
 await add(modern, fds_finger_tree, 'concat');
+await add(modern, fds_finger_tree, 'iterator');
+await add(modern, fds_finger_tree, 'reversed');
 
 suite.addInput(`(${measureToString(measure)}, ${n})`, []);
 

_benchmark/yarn.lock

@@ -2,6 +2,11 @@
 # yarn lockfile v1
 
 
+"@iterable-iterator/consume@^1.0.1":
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/@iterable-iterator/consume/-/consume-1.0.1.tgz#abbe00af0d48542eb8e240f698e85fd4ba9b28b0"
+  integrity sha512-KVJufzV8/gOnYqrtO4CFdGZopJ5kkUBhzHcbU0iToOv5aTl0igxnsRzCaDSxUgO4q0mDbf9WEfjz4K39cl1iNA==
+
 "@iterable-iterator/range@^2.1.0":
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/@iterable-iterator/range/-/range-2.1.0.tgz#d7cfeee165c612f460c9ea1854a250f4788f1226"

_profile/iterator.js

@@ -0,0 +1,27 @@
+import 'regenerator-runtime/runtime.js';
+import {ArgumentParser} from 'argparse';
+import {range} from '@iterable-iterator/range';
+import {FAST_COUNTER as COUNTER} from '../test/src/_fixtures.js';
+import {from} from './dist/profile/index.js';
+
+console.time('prepare');
+
+const parser = new ArgumentParser();
+parser.add_argument('M', {default: 1000, nargs: '?'});
+parser.add_argument('-N', {default: 1000});
+const args = parser.parse_args();
+const M = args.M;
+const N = args.N;
+
+console.log('number of operations:', M * N);
+
+const t = from(COUNTER, range(M));
+console.timeEnd('prepare');
+
+console.time('split');
+for (let k = 0; k < N; ++k) {
+	// eslint-disable-next-line no-unused-vars
+	for (const _x of t);
+}
+
+console.timeEnd('split');

_profile/split.js

@@ -1,20 +1,10 @@
-console.time('prepare');
-require('regenerator-runtime/runtime');
-const ArgumentParser = require('argparse').ArgumentParser;
-const range = require('@iterable-iterator/range').range;
-const empty = require('..').empty;
+import 'regenerator-runtime/runtime.js';
+import {ArgumentParser} from 'argparse';
+import {range} from '@iterable-iterator/range';
+import {FAST_COUNTER as COUNTER} from '../test/src/_fixtures.js';
+import {from} from './dist/profile/index.js';
 
-const COUNTER = {
-	plus(a, b) {
-		return a + b;
-	},
-	measure(_x) {
-		return 1;
-	},
-	zero() {
-		return 0;
-	},
-};
+console.time('prepare');
 
 const parser = new ArgumentParser();
 parser.add_argument('M', {default: 1000, nargs: '?'});
@@ -25,7 +15,7 @@ const N = args.N;
 
 console.log('number of operations:', M * N);
 
-const t = empty(COUNTER).append(range(M));
+const t = from(COUNTER, range(M));
 console.timeEnd('prepare');
 
 console.time('split');