alexion
4def357d09
Imported as a linear vendor commit so forge rebases do not replay the upstream root tree. git-subtree-dir: third_party/pi git-subtree-split: d981de1229ef899957bbe968bc8dcda02a21f477
52 lines
1.7 KiB
TypeScript
52 lines
1.7 KiB
TypeScript
import { execFile } from "node:child_process";
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import { fileURLToPath } from "node:url";
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import { promisify } from "node:util";
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import { STORAGE_BENCHMARK_DATASETS } from "../../src/harness/session/testing/index.ts";
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import { storageBenchmarkTargets } from "./storage-targets.ts";
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interface LoadedFootprintResult {
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readonly target: string;
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readonly dataset: string;
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readonly entryCount: number;
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readonly heapUsedBytes: number;
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readonly rssBytes: number;
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readonly externalBytes: number;
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}
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const execFileAsync = promisify(execFile);
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const packageRoot = fileURLToPath(new URL("../..", import.meta.url));
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const workerPath = fileURLToPath(new URL("./loaded-footprint-worker.ts", import.meta.url));
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const tsconfigPath = fileURLToPath(new URL("../tsconfig.json", import.meta.url));
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const results: LoadedFootprintResult[] = [];
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for (const target of storageBenchmarkTargets) {
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for (const dataset of STORAGE_BENCHMARK_DATASETS) {
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const { stdout } = await execFileAsync(
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process.execPath,
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[
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"--expose-gc",
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"--import",
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"tsx",
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workerPath,
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target.name,
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dataset.name,
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],
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{ cwd: packageRoot, env: { ...process.env, TSX_TSCONFIG_PATH: tsconfigPath } },
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);
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results.push(JSON.parse(stdout) as LoadedFootprintResult);
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}
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}
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const mebibytes = (bytes: number): string => (bytes / 1024 / 1024).toFixed(2);
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console.log("Loaded footprint (synthetic payloads generated and ingested after the baseline):");
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console.table(
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results.map((result) => ({
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backend: result.target,
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dataset: result.dataset,
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"heap MiB": mebibytes(result.heapUsedBytes),
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"heap bytes/entry": Math.round(result.heapUsedBytes / result.entryCount),
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"RSS MiB": mebibytes(result.rssBytes),
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"external MiB": mebibytes(result.externalBytes),
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})),
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);
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