[READ-ONLY] Mirror of https://github.com/bombshell-dev/tty. Platform independent 2D layout engine for terminal applications based on Clay
ref(bench): spawn fixture
Nate Moore
(May 31, 2026, 11:28 PM -0500)
baa61932
8777e165
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+36
-4
.github/workflows/benchmark.yml
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.github/workflows/benchmark.yml
···
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with:
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mode: simulation
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# IMPORTANT! deno task bench fails in CI due to incompatible V8 bindings
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run: |
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node bench/mod.ts
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node bench/startup/createTerm.bench.ts
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node bench/startup/ttfr.bench.ts
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run: node bench/mod.ts
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startup-process-benchmarks:
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name: Run process startup benchmarks
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runs-on: codspeed-macro
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permissions:
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contents: read
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id-token: write
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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submodules: true
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- name: Setup Deno
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uses: denoland/setup-deno@v2
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with:
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deno-version: v2.x
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- name: Setup Node
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uses: actions/setup-node@v4
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with:
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node-version: 22
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- name: Build WASM
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run: make
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- name: Install dependencies
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run: deno install
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- name: Run process startup benchmarks
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uses: CodSpeedHQ/action@v4
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with:
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mode: walltime
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run: node bench/startup.bench.ts
+3
bench/fixtures/create-term/mod.ts
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bench/fixtures/create-term/mod.ts
+9
bench/fixtures/render-minimal/mod.ts
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bench/fixtures/render-minimal/mod.ts
···
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import { createTerm } from "../../../term.ts";
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import { close, grow, open, text } from "../../../ops.ts";
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let term = await createTerm({ width: 80, height: 24 });
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term.render([
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open("root", { layout: { width: grow(), height: grow(), direction: "ttb" } }),
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text("Hello, World!"),
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close(),
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]);
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bench/fixtures/utils.ts
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bench/fixtures/utils.ts
···
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import { fileURLToPath } from "node:url";
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import { spawnSync } from "node:child_process";
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export const fixture = (name: string) => {
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return new URL(`./${name}/mod.ts`, import.meta.url);
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}
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export const spawnFixture = (name: string) =>
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spawnSync(process.execPath, [...process.execArgv, fileURLToPath(fixture(name))], { stdio: "ignore" });
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bench/startup.bench.ts
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bench/startup.bench.ts
···
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import { Bench } from "tinybench";
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import { withCodSpeed } from "@codspeed/tinybench-plugin";
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import { spawnFixture } from './fixtures/utils.ts';
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let bench = withCodSpeed(new Bench({ name: "startup" }));
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bench
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.add("createTerm", () => spawnFixture('create-term'))
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.add("time to first render", () => spawnFixture('render-minimal'));
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await bench.run();
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console.table(bench.table());
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bench/startup/createTerm.bench.ts
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bench/startup/createTerm.bench.ts
···
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import { Bench } from "tinybench";
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import { withCodSpeed } from "@codspeed/tinybench-plugin";
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import { createTerm } from "../../term.ts";
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let bench = withCodSpeed(new Bench({ name: 'startup', }));
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bench
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.add("createTerm", async () => {
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await createTerm({ width: 80, height: 24 });
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});
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await bench.run();
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console.table(bench.table());
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bench/startup/ttfr.bench.ts
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bench/startup/ttfr.bench.ts
···
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import { Bench } from "tinybench";
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import { withCodSpeed } from "@codspeed/tinybench-plugin";
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import { createTerm } from "../../term.ts";
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import { close, grow, open, text } from "../../ops.ts";
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let bench = withCodSpeed(new Bench({ name: 'startup' }));
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bench
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.add("time to first render", async () => {
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let term = await createTerm({ width: 80, height: 24 });
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term.render([
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open("root", { layout: { width: grow(), height: grow(), direction: "ttb" } }),
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text("Hello, World!"),
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close(),
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]);
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});
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await bench.run();
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console.table(bench.table());
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