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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| #!/usr/bin/env node | ||
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| /* | ||
| This file contains a simple set of perf tests that can be run manually to keep fusion perf in check. | ||
| */ | ||
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| // rm perf.cpuprofile; rm perf.heapprofile; node --cpu-prof --cpu-prof-name=perf.cpuprofile --heap-prof --heap-prof-name=perf.heapprofile perf.js | ||
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| const fs = require("fs") | ||
| const path = require("path") | ||
| const { Utils } = require("../products/Utils.js") | ||
| const { Timer } = Utils | ||
| const { Particle } = require("../products/Particle.js") | ||
| const { Fusion } = require("../products/Fusion.js") | ||
| const { ScrollFile } = require("scroll-cli") | ||
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| class PerfTest { | ||
| constructor(folderPath) { | ||
| this.folderPath = folderPath | ||
| this.timer = new Timer() | ||
| this.files = [] | ||
| this.simpleStrings = [] | ||
| this.particles = [] | ||
| this.fusedFiles = [] | ||
| this.scrollFiles = [] | ||
| } | ||
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| gatherFiles() { | ||
| this.files = fs | ||
| .readdirSync(this.folderPath) | ||
| .filter(file => file.endsWith(".scroll")) | ||
| .map(file => path.join(this.folderPath, file)) | ||
| console.log(`Found ${this.files.length} .scroll files`) | ||
| this.timer.tick("Finding files") | ||
| return this | ||
| } | ||
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| readToStrings() { | ||
| this.simpleStrings = this.files.map(file => fs.readFileSync(file, "utf8")) | ||
| this.timer.tick("Reading files to strings") | ||
| return this | ||
| } | ||
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| parseToParticles() { | ||
| this.particles = this.simpleStrings.map(str => new Particle(str)) | ||
| this.timer.tick("Parsing to Particles") | ||
| return this | ||
| } | ||
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| async fuseFiles() { | ||
| const fusion = new Fusion() | ||
| this.fusedFiles = await Promise.all(this.files.map(file => fusion.fuseFile(file))) | ||
| this.timer.tick("Fusing files") | ||
| return this | ||
| } | ||
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| parseAsScroll() { | ||
| this.scrollFiles = this.simpleStrings.map(str => new ScrollFile(str)) | ||
| this.timer.tick("Parsing as Scroll") | ||
| return this | ||
| } | ||
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| printMemoryUsage() { | ||
| const used = process.memoryUsage() | ||
| console.log("\nMemory Usage:") | ||
| for (let key in used) { | ||
| console.log(`${key}: ${Math.round((used[key] / 1024 / 1024) * 100) / 100} MB`) | ||
| } | ||
| } | ||
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| async runAll() { | ||
| console.log("Starting performance tests...\n") | ||
| this.gatherFiles().readToStrings().parseToParticles() | ||
| await this.fuseFiles() | ||
| this.parseAsScroll() | ||
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| console.log(`\nTotal time: ${this.timer.getTotalElapsedTime()}ms`) | ||
| this.printMemoryUsage() | ||
| } | ||
| } | ||
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| // Run the tests | ||
| const dir = "/Users/breck/pldb.io/concepts" | ||
| const perfTest = new PerfTest(dir) | ||
| perfTest.runAll().catch(console.error) |
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