Diffusion Ant (master) Code

ant/tests/non_async_loop_repro.js
dce8e2e6fb90master

non_async_loop_repro.js
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			const TOTAL = Number(process.env.TOTAL \|\| 5000000);
			const MODE = process.env.MODE \|\| "routeSync";

			function nowMs() {
			return performance.now();
			}

			function makeContext() {
			return {
			finalized: false,
			req: {
			routeIndex: -1
			},
			res: null,
			text(body, status = 200) {
			this.finalized = true;
			this.res = { body, status };
			return this.res;
			}
			};
			}

			function routeSync(c) {
			return c.text("ok");
			}

			function runTightLoop() {
			let acc = 0;
			for (let i = 0; i < TOTAL; i++) {
			acc += i;
			}
			return acc;
			}

			function runRouteSyncLoop() {
			let finalized = 0;
			for (let i = 0; i < TOTAL; i++) {
			const ctx = makeContext();
			routeSync(ctx);
			if (ctx.finalized) finalized++;
			}
			return finalized;
			}

			function main() {
			const startedAt = nowMs();
			const result = MODE === "tightLoop" ? runTightLoop() : runRouteSyncLoop();
			const elapsedMs = nowMs() - startedAt;

			console.log(`mode=${MODE}`);
			console.log(`total=${TOTAL}`);
			console.log(`elapsed_ms=${elapsedMs.toFixed(3)}`);
			console.log(`ops_per_sec=${(TOTAL / (elapsedMs / 1000)).toFixed(1)}`);
			console.log(`result=${result}`);
			}

			main();

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