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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| import assert from 'node:assert'; | ||
| import fs from 'node:fs/promises'; | ||
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| import { buildITrieFromWords, buildTrie, buildTrieFast, TrieBuilder } from 'cspell-trie-lib'; | ||
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| import { SimpleTrie } from '../lib/SimpleTrie.mjs'; | ||
| import { Trie } from '../lib/Trie.mjs'; | ||
| import { suite } from '../perfSuite.mjs'; | ||
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| const wordsUrl = new URL('../../ngram/1-gram.tsv', import.meta.url); | ||
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| let words: string[] | undefined = undefined; | ||
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| suite('trie-insert', 'Insert words into a trie', async (test, { beforeAll }) => { | ||
| const words = await loadWords(); | ||
| const sortedWords = [...words].sort(); | ||
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| beforeAll(() => { | ||
| // console.log('words: %o', words); | ||
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| // warm up the words. | ||
| words.forEach((word) => word); | ||
| }); | ||
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| test('SimpleTrie', () => { | ||
| const trie = new SimpleTrie(); | ||
| trie.addWords(words); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
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| test('Trie', () => { | ||
| const trie = new Trie(); | ||
| trie.addWords(words); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
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| test('buildITrieFromWords', () => { | ||
| const trie = buildITrieFromWords(words); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
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| test('buildTrie', () => { | ||
| const trie = buildTrie(words); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
| test('buildTrieFast', () => { | ||
| const trie = buildTrieFast(words); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
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| test('TrieBuilder.build(false)', () => { | ||
| const builder = new TrieBuilder(); | ||
| builder.insert(words); | ||
| const trie = builder.build(false); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
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| test('TrieBuilder.build(true)', () => { | ||
| const builder = new TrieBuilder(); | ||
| builder.insert(words); | ||
| const trie = builder.build(true); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
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| test('TrieBuilder.build(false) sorted', () => { | ||
| const builder = new TrieBuilder(); | ||
| builder.insert(sortedWords); | ||
| const trie = builder.build(false); | ||
| assert(trie.has('hello')); | ||
| return trie; | ||
| }); | ||
| }); | ||
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| const numberOfSearchWords = 1000; | ||
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| suite('trie-search', 'Search for words in a trie', async (_test, { prepare }) => { | ||
| const words = [...(await loadWords())].sort(); | ||
| const searchWords = sampleWords(words, numberOfSearchWords); | ||
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| prepare(() => new SimpleTrie().addWords(words)).test('SimpleTrie', (trie) => { | ||
| return searchWords.map((word) => trie.has(word)); | ||
| }); | ||
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| prepare(() => new Trie().addWords(words)).test('Trie', (trie) => { | ||
| return searchWords.map((word) => trie.has(word)); | ||
| }); | ||
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| prepare(() => buildITrieFromWords(words)).test('buildITrieFromWords', (trie) => { | ||
| return searchWords.map((word) => trie.has(word)); | ||
| }); | ||
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| prepare(() => buildTrie(words)).test('buildTrie', (trie) => { | ||
| return searchWords.map((word) => trie.has(word)); | ||
| }); | ||
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| prepare(() => buildTrieFast(words)).test('buildTrieFast', (trie) => { | ||
| return searchWords.map((word) => trie.has(word)); | ||
| }); | ||
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| prepare(() => { | ||
| const builder = new TrieBuilder(); | ||
| builder.insert(words); | ||
| return builder.build(false); | ||
| }).test('TrieBuilder.build(false)', (trie) => { | ||
| return searchWords.map((word) => trie.has(word)); | ||
| }); | ||
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| prepare(() => { | ||
| const builder = new TrieBuilder(); | ||
| builder.insert(words); | ||
| return builder.build(true); | ||
| }).test('TrieBuilder.build(true)', (trie) => { | ||
| return searchWords.map((word) => trie.has(word)); | ||
| }); | ||
| }); | ||
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| async function loadWords() { | ||
| if (words) return words; | ||
| const raw = await fs.readFile(wordsUrl, 'utf-8'); | ||
| const wordFreq = raw | ||
| .split('\n') | ||
| .map((a) => a.trim()) | ||
| .filter((a) => !a.startsWith('#')) | ||
| .filter((a) => a) | ||
| .map((a) => a.split('\t')) | ||
| .map(([word, freq]) => [word, Number(freq)] as const) | ||
| .sort((a, b) => b[1] - a[1]); | ||
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| // const lines = wordFreq.map(([word, freq]) => { | ||
| // const n1 = freq.toPrecision(4); | ||
| // const n2 = freq.toString(10); | ||
| // return `${word}\t${n1.length < n2.length ? n1 : n2}`; | ||
| // }); | ||
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| // await fs.writeFile(wordsUrl, lines.join('\n') + '\n'); | ||
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| words = wordFreq.map(([word]) => word); | ||
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| Object.freeze(words); | ||
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| return words; | ||
| } | ||
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| function sampleWords(words: string[], n: number) { | ||
| const samples: string[] = []; | ||
| for (let i = 0; i < n; i++) { | ||
| const r = Math.floor(Math.random() * words.length); | ||
| samples.push(words[r]); | ||
| } | ||
| return samples; | ||
| } |
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