bomb.sh
[READ-ONLY] Mirror of https://github.com/bombshell-dev/tty. Platform independent 2D layout engine for terminal applications based on Clay
bench: add WASM init and startup timing benchmarks
author
Nate Moore
date
(May 31, 2026, 11:28 PM -0500)
commit
39fab8af
39fab8afb117a22bd7d67cc9b90adfbd22610ef3
parent
c55a1365
c55a1365abe6b94cb63f4973d8a1cfd910cd17ca
+53
-1
+1
bench/mod.ts
+1
bench/mod.ts
+51
bench/startup.bench.ts
+51
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 { bytes, compiled } from "../wasm.ts";
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import { createTermNative } from "../term-native.ts";
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import { createInputNative } from "../input-native.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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import type { Op } from "../ops.ts";
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const helloOps: Op[] = [
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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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let bench = withCodSpeed(new Bench());
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bench
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.add("wasm compile", async () => {
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await WebAssembly.compile(bytes);
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})
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.add("wasm instantiate", async () => {
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const memory = new WebAssembly.Memory({ initial: 2 });
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await WebAssembly.instantiate(compiled, {
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env: { memory },
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clay: {
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measureTextFunction() {},
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queryScrollOffsetFunction(ret: number) {
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const v = new DataView(memory.buffer);
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v.setFloat32(ret, 0, true);
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v.setFloat32(ret + 4, 0, true);
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},
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},
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});
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})
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.add("createTermNative (80x24)", async () => {
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await createTermNative(80, 24);
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})
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.add("createInputNative", async () => {
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await createInputNative(50);
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})
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.add("createTerm (80x24)", async () => {
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await createTerm({ width: 80, height: 24 });
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})
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.add("startup: createTerm + first render (80x24)", async () => {
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const term = await createTerm({ width: 80, height: 24 });
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term.render(helloOps);
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});
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await bench.run();
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console.table(bench.table());
+1
-1
tasks/bundle-wasm.ts
+1
-1
tasks/bundle-wasm.ts
···
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const base64 = encodeBase64(wasm);
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const source = `const bin = atob("${base64}");
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const bytes = new Uint8Array(bin.length);
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export const bytes = new Uint8Array(bin.length);
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for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i);
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export const compiled = await WebAssembly.compile(bytes);
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`;