{ "schema": 1, "kind": "node-system-workload-comparison-v1", "publicationStatus": "partial", "generatedAt": "2026-09-01T04:04:39.798Z", "campaign": { "id": "runtime-workloads-v1", "scope": "native Node, wasm-vm, WebContainers, almostnode, and WebVM execution modes", "method": "same portable Node script, deterministic fixture, warmups, repeated verified samples", "workloadIds": [ "file-read", "file-write", "stream-read", "stream-copy", "server-lifecycle", "http-roundtrip" ], "source": "./bench-runtime-workloads.mjs", "scriptSha256": "094dd31c872b6fdf080d022add317f40dde128c219342db33d7ba3504add69fb" }, "fixture": { "id": "runtime-workloads-v1", "payloadBytes": 1048576, "payloadSha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "streamChunkBytes": 65536, "httpBodyBytes": 65536, "httpBodySha256": "b70bd0bab85407b37d84b9d8d0d0f26f901355bd6ab9004d5bb35a95d241e9f7" }, "policy": { "samples": 7, "warmups": 2, "httpRequests": 8 }, "environments": [ { "id": "native-node", "label": "native-node", "status": "measured", "environment": { "id": "native-node", "nodeVersion": "v24.20.0", "versions": { "node": "24.20.0", "acorn": "8.18.0", "ada": "4.0.0", "amaro": "1.1.11", "ares": "1.34.8", "brotli": "1.2.0", "cldr": "48.0", "icu": "78.3", "llhttp": "9.4.3", "merve": "1.2.2", "modules": "137", "napi": "10", "nbytes": "0.1.4", "ncrypto": "0.0.1", "nghttp2": "1.70.0", "nghttp3": "", "ngtcp2": "", "openssl": "3.5.7", "simdjson": "4.6.6", "simdutf": "6.4.0", "sqlite": "3.53.4", "tz": "2026c", "undici": "7.29.0", "unicode": "17.0", "uv": "1.52.1", "uvwasi": "0.0.23", "v8": "13.6.233.17-node.53", "zlib": "1.3.2.1-motley-42c2f19", "zstd": "1.5.7" }, "platform": "darwin", "arch": "arm64", "osRelease": "25.6.0", "execPath": "node", "logicalCpus": 16 }, "runner": { "source": "web/bench-runtime-workloads.mjs", "scriptSha256": "094dd31c872b6fdf080d022add317f40dde128c219342db33d7ba3504add69fb", "command": [ "node", "web/bench-runtime-workloads.mjs", "--environment=native-node", "--samples=7", "--warmups=2", "--payload-kib=1024", "--stream-chunk-kib=64", "--http-requests=8", "--output=/tmp/wasm-vm-runtime-native-final.json" ] }, "policy": { "samples": 7, "warmups": 2, "httpRequests": 8 }, "browser": null, "workloads": [ { "id": "file-read", "label": "File read", "operation": "fs.promises.readFile + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.515, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.499, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.483, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.486, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.498, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.504, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.47, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 0.47, "maxMs": 0.515, "meanMs": 0.494, "medianMs": 0.498, "p95Ms": 0.515, "stdevMs": 0.014, "bytes": 1048576, "throughputMiBPerSec": 2008.032 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "file-write", "label": "File write", "operation": "fs.promises.writeFile + stat + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "elapsedMs": 0.143, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.204, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.211, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.217, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.204, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.272, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.249, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 0.143, "maxMs": 0.272, "meanMs": 0.214, "medianMs": 0.211, "p95Ms": 0.272, "stdevMs": 0.038, "bytes": 1048576, "throughputMiBPerSec": 4739.336 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-read", "label": "Stream read", "operation": "fs.createReadStream + incremental SHA-256", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.566, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.608, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.564, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.544, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.536, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.545, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.575, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 0.536, "maxMs": 0.608, "meanMs": 0.563, "medianMs": 0.564, "p95Ms": 0.608, "stdevMs": 0.023, "bytes": 1048576, "throughputMiBPerSec": 1773.05 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-copy", "label": "Stream copy", "operation": "pipeline(readable, Transform, writable)", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.781, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.82, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.873, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.802, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.751, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.779, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 0.867, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 0.751, "maxMs": 0.873, "meanMs": 0.81, "medianMs": 0.802, "p95Ms": 0.873, "stdevMs": 0.043, "bytes": 1048576, "throughputMiBPerSec": 1246.883 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "server-lifecycle", "label": "Server lifecycle", "operation": "http.createServer + listen + close", "status": "measured", "samples": [ { "listenMs": 0.026, "closeMs": 0.008, "bytes": 0, "elapsedMs": 0.036, "verification": "passed" }, { "listenMs": 0.023, "closeMs": 0.007, "bytes": 0, "elapsedMs": 0.032, "verification": "passed" }, { "listenMs": 0.023, "closeMs": 0.013, "bytes": 0, "elapsedMs": 0.037, "verification": "passed" }, { "listenMs": 0.022, "closeMs": 0.006, "bytes": 0, "elapsedMs": 0.029, "verification": "passed" }, { "listenMs": 0.02, "closeMs": 0.005, "bytes": 0, "elapsedMs": 0.026, "verification": "passed" }, { "listenMs": 0.019, "closeMs": 0.006, "bytes": 0, "elapsedMs": 0.026, "verification": "passed" }, { "listenMs": 0.028, "closeMs": 0.011, "bytes": 0, "elapsedMs": 0.041, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 0.026, "maxMs": 0.041, "meanMs": 0.032, "medianMs": 0.032, "p95Ms": 0.041, "stdevMs": 0.005, "bytes": 0, "throughputMiBPerSec": null }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "http-roundtrip", "label": "HTTP round trip", "operation": "local HTTP server + sequential requests + close", "status": "measured", "samples": [ { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.037, "requestMs": 3.147, "closeMs": 0.02, "elapsedMs": 3.214, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.048, "requestMs": 2.596, "closeMs": 0.017, "elapsedMs": 2.671, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.035, "requestMs": 2.535, "closeMs": 0.017, "elapsedMs": 2.595, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.025, "requestMs": 2.179, "closeMs": 0.012, "elapsedMs": 2.221, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.028, "requestMs": 2.062, "closeMs": 0.011, "elapsedMs": 2.106, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.023, "requestMs": 1.923, "closeMs": 0.01, "elapsedMs": 1.961, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.022, "requestMs": 2.333, "closeMs": 0.015, "elapsedMs": 2.377, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 1.961, "maxMs": 3.214, "meanMs": 2.449, "medianMs": 2.377, "p95Ms": 3.214, "stdevMs": 0.391, "bytes": 524288, "throughputMiBPerSec": 210.349 }, "verification": { "sampleCount": 7, "passed": true } } ], "fixture": { "id": "runtime-workloads-v1", "payloadBytes": 1048576, "payloadSha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "streamChunkBytes": 65536, "httpBodyBytes": 65536, "httpBodySha256": "b70bd0bab85407b37d84b9d8d0d0f26f901355bd6ab9004d5bb35a95d241e9f7" } }, { "id": "wasm-vm-worker-jit", "label": "wasm-vm-worker-jit", "status": "measured", "environment": { "id": "wasm-vm-worker-jit", "nodeVersion": "v20.15.1", "versions": { "node": "20.15.1", "acorn": "8.11.3", "ada": "2.7.8", "ares": "1.28.1", "base64": "0.5.2", "brotli": "1.1.0", "cjs_module_lexer": "1.2.2", "cldr": "44.1", "icu": "74.2", "llhttp": "8.1.2", "modules": "115", "napi": "9", "nghttp2": "1.62.1", "openssl": "3.3.1", "simdutf": "5.2.8", "tz": "2023c", "undici": "6.13.0", "unicode": "15.1", "uv": "1.46.0", "uvwasi": "0.0.21", "v8": "11.3.244.8-node.23", "zlib": "1.3.1" }, "platform": "linux", "arch": "riscv64", "osRelease": "6.6.63", "execPath": "node", "logicalCpus": 1 }, "runner": { "source": "web/bench-runtime-workloads.mjs", "scriptSha256": "094dd31c872b6fdf080d022add317f40dde128c219342db33d7ba3504add69fb", "command": [ "node", "web/bench-runtime-workloads.mjs", "--environment=wasm-vm-worker-jit", "--samples=7", "--warmups=2", "--payload-kib=1024", "--stream-chunk-kib=64", "--http-requests=8", "--output=/tmp/runtime-worker-jit.json" ] }, "policy": { "samples": 7, "warmups": 2, "httpRequests": 8 }, "browser": { "source": "claimed production tab terminal", "url": "https://wasm-vm.pages.dev/app#ide", "variant": "worker-jit", "backend": "whole-machine-worker", "interpreter": "fast", "jitPolicy": "enabled", "jitThreshold": 512 }, "workloads": [ { "id": "file-read", "label": "File read", "operation": "fs.promises.readFile + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 824.443, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 824.632, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 837.441, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 837.785, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 1102.692, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 1161.389, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 831.851, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 824.443, "maxMs": 1161.389, "meanMs": 917.176, "medianMs": 837.441, "p95Ms": 1161.389, "stdevMs": 136.884, "bytes": 1048576, "throughputMiBPerSec": 1.194 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "file-write", "label": "File write", "operation": "fs.promises.writeFile + stat + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "elapsedMs": 48.196, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 46.235, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 28.087, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 28.279, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 30.071, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 28.303, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 35.28, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 28.087, "maxMs": 48.196, "meanMs": 34.922, "medianMs": 30.071, "p95Ms": 48.196, "stdevMs": 8.128, "bytes": 1048576, "throughputMiBPerSec": 33.255 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-read", "label": "Stream read", "operation": "fs.createReadStream + incremental SHA-256", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 869.112, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 853.075, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 861.743, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 852.771, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 853.282, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 853.115, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 861.389, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 852.771, "maxMs": 869.112, "meanMs": 857.784, "medianMs": 853.282, "p95Ms": 869.112, "stdevMs": 5.933, "bytes": 1048576, "throughputMiBPerSec": 1.172 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-copy", "label": "Stream copy", "operation": "pipeline(readable, Transform, writable)", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 963.96, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 972.653, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 939.2, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 915.176, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 943.265, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 908.758, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 917.555, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 908.758, "maxMs": 972.653, "meanMs": 937.224, "medianMs": 939.2, "p95Ms": 972.653, "stdevMs": 22.971, "bytes": 1048576, "throughputMiBPerSec": 1.065 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "server-lifecycle", "label": "Server lifecycle", "operation": "http.createServer + listen + close", "status": "measured", "samples": [ { "listenMs": 10.049, "closeMs": 0.818, "bytes": 0, "elapsedMs": 11.168, "verification": "passed" }, { "listenMs": 6.316, "closeMs": 0.782, "bytes": 0, "elapsedMs": 7.399, "verification": "passed" }, { "listenMs": 6.273, "closeMs": 1.09, "bytes": 0, "elapsedMs": 7.697, "verification": "passed" }, { "listenMs": 6.848, "closeMs": 0.785, "bytes": 0, "elapsedMs": 7.933, "verification": "passed" }, { "listenMs": 8.072, "closeMs": 0.835, "bytes": 0, "elapsedMs": 9.207, "verification": "passed" }, { "listenMs": 1.801, "closeMs": 4.923, "bytes": 0, "elapsedMs": 7.023, "verification": "passed" }, { "listenMs": 25.266, "closeMs": 1.089, "bytes": 0, "elapsedMs": 27.072, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 7.023, "maxMs": 27.072, "meanMs": 11.071, "medianMs": 7.933, "p95Ms": 27.072, "stdevMs": 6.661, "bytes": 0, "throughputMiBPerSec": null }, "verification": { 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"--http-requests=8", "--output=/tmp/runtime-worker-interpreter.json" ] }, "policy": { "samples": 7, "warmups": 2, "httpRequests": 8 }, "browser": { "source": "claimed production tab terminal", "url": "https://wasm-vm.pages.dev/app?guest=node-alpine&nosw=&persist=1&diagnosticStats=1&jit=0#ide", "variant": "worker-interpreter", "backend": "whole-machine-worker", "interpreter": "fast", "jitPolicy": "forced-off", "jitThreshold": 512 }, "workloads": [ { "id": "file-read", "label": "File read", "operation": "fs.promises.readFile + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 824.518, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 1098.489, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 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"6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 28.357, "maxMs": 46.275, "meanMs": 34.772, "medianMs": 30.503, "p95Ms": 46.275, "stdevMs": 7.552, "bytes": 1048576, "throughputMiBPerSec": 32.784 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-read", "label": "Stream read", "operation": "fs.createReadStream + incremental SHA-256", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 868.366, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 852.837, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 861.862, "verification": "passed" }, { "bytes": 1048576, "sha256": 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"6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 1070.638, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 970.099, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 934.876, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 920.274, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 942.124, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 915.665, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 974.456, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 915.665, "maxMs": 1070.638, "meanMs": 961.162, "medianMs": 942.124, "p95Ms": 1070.638, "stdevMs": 49.334, "bytes": 1048576, "throughputMiBPerSec": 1.061 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "server-lifecycle", "label": "Server lifecycle", "operation": "http.createServer + listen + close", "status": "measured", "samples": [ { "listenMs": 1.843, "closeMs": 0.819, "bytes": 0, "elapsedMs": 2.961, "verification": "passed" }, { "listenMs": 1.879, "closeMs": 0.784, "bytes": 0, "elapsedMs": 2.961, "verification": "passed" }, { "listenMs": 1.946, "closeMs": 1.13, "bytes": 0, "elapsedMs": 3.378, "verification": "passed" }, { "listenMs": 2.219, "closeMs": 0.787, "bytes": 0, "elapsedMs": 3.457, "verification": "passed" }, { "listenMs": 1.898, "closeMs": 0.751, "bytes": 0, "elapsedMs": 2.947, "verification": "passed" }, { "listenMs": 1.801, "closeMs": 0.872, "bytes": 0, "elapsedMs": 2.971, "verification": "passed" }, { "listenMs": 10.758, "closeMs": 1.129, "bytes": 0, "elapsedMs": 12.239, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 2.947, "maxMs": 12.239, "meanMs": 4.416, "medianMs": 2.971, "p95Ms": 12.239, "stdevMs": 3.2, "bytes": 0, "throughputMiBPerSec": null }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "http-roundtrip", "label": "HTTP round trip", "operation": "local HTTP server + sequential requests + close", "status": "measured", "samples": [ { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.725, "requestMs": 1207.238, "closeMs": 0.75, "elapsedMs": 1210.43, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.53, "requestMs": 1206.562, "closeMs": 0.709, "elapsedMs": 1209.706, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.375, "requestMs": 1180.635, "closeMs": 0.922, "elapsedMs": 1183.586, "verification": "passed" }, { 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1048576, "payloadSha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "streamChunkBytes": 65536, "httpBodyBytes": 65536, "httpBodySha256": "b70bd0bab85407b37d84b9d8d0d0f26f901355bd6ab9004d5bb35a95d241e9f7" } }, { "id": "wasm-vm-main-interpreter", "label": "wasm-vm-main-interpreter", "status": "measured", "environment": { "id": "wasm-vm-main-interpreter", "nodeVersion": "v20.15.1", "versions": { "node": "20.15.1", "acorn": "8.11.3", "ada": "2.7.8", "ares": "1.28.1", "base64": "0.5.2", "brotli": "1.1.0", "cjs_module_lexer": "1.2.2", "cldr": "44.1", "icu": "74.2", "llhttp": "8.1.2", "modules": "115", "napi": "9", "nghttp2": "1.62.1", "openssl": "3.3.1", "simdutf": "5.2.8", "tz": "2023c", "undici": "6.13.0", "unicode": "15.1", "uv": "1.46.0", "uvwasi": "0.0.21", "v8": "11.3.244.8-node.23", "zlib": "1.3.1" }, "platform": "linux", "arch": "riscv64", "osRelease": "6.6.63", "execPath": "node", "logicalCpus": 1 }, "runner": { "source": "web/bench-runtime-workloads.mjs", "scriptSha256": "094dd31c872b6fdf080d022add317f40dde128c219342db33d7ba3504add69fb", "command": [ "node", "web/bench-runtime-workloads.mjs", "--environment=wasm-vm-main-interpreter", "--samples=7", "--warmups=2", "--payload-kib=1024", "--stream-chunk-kib=64", "--http-requests=8", "--output=/tmp/runtime-main-interpreter.json" ] }, "policy": { "samples": 7, "warmups": 2, "httpRequests": 8 }, "browser": { "source": "claimed production tab terminal", "url": "https://wasm-vm.pages.dev/app?guest=node-alpine&nosw=&persist=1&diagnosticStats=1&worker=0&jit=0#ide", "variant": "main-interpreter", "backend": "main-thread", "interpreter": "fast", "jitPolicy": "forced-off", "jitThreshold": 512 }, "workloads": [ { "id": "file-read", "label": "File read", "operation": "fs.promises.readFile + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 824.63, "verification": "passed" }, { 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"verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 915.677, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 908.695, "maxMs": 980.19, "meanMs": 937.202, "medianMs": 932.48, "p95Ms": 980.19, "stdevMs": 23.475, "bytes": 1048576, "throughputMiBPerSec": 1.072 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "server-lifecycle", "label": "Server lifecycle", "operation": "http.createServer + listen + close", "status": "measured", "samples": [ { "listenMs": 1.855, "closeMs": 0.782, "bytes": 0, "elapsedMs": 2.97, "verification": "passed" }, { "listenMs": 1.844, "closeMs": 0.817, "bytes": 0, "elapsedMs": 2.96, "verification": "passed" }, { "listenMs": 1.982, "closeMs": 9.468, "bytes": 0, "elapsedMs": 11.75, "verification": "passed" }, { "listenMs": 2.221, "closeMs": 5.759, "bytes": 0, "elapsedMs": 8.278, "verification": "passed" }, { "listenMs": 6.243, "closeMs": 0.785, "bytes": 0, "elapsedMs": 7.326, "verification": "passed" }, { "listenMs": 7.67, "closeMs": 0.749, "bytes": 0, "elapsedMs": 8.719, "verification": "passed" }, { "listenMs": 18.992, "closeMs": 5.768, "bytes": 0, "elapsedMs": 25.115, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 2.96, "maxMs": 25.115, "meanMs": 9.588, "medianMs": 8.278, "p95Ms": 25.115, "stdevMs": 6.98, "bytes": 0, "throughputMiBPerSec": null }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "http-roundtrip", "label": "HTTP round trip", "operation": "local HTTP server + sequential requests + close", "status": "measured", "samples": [ { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.849, "requestMs": 1204.213, "closeMs": 0.716, "elapsedMs": 1207.498, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.565, "requestMs": 1168.91, "closeMs": 0.589, "elapsedMs": 1171.926, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.377, "requestMs": 1223.423, "closeMs": 0.61, "elapsedMs": 1226.05, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.343, "requestMs": 1052.212, "closeMs": 0.652, "elapsedMs": 1054.582, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.462, "requestMs": 1073.969, "closeMs": 0.562, "elapsedMs": 1076.366, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 2.07, "requestMs": 1396.087, "closeMs": 16.344, "elapsedMs": 1414.876, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 1.072, "requestMs": 1239.378, "closeMs": 0.862, "elapsedMs": 1241.8, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 1054.582, "maxMs": 1414.876, "meanMs": 1199.014, "medianMs": 1207.498, "p95Ms": 1414.876, "stdevMs": 110.755, "bytes": 524288, "throughputMiBPerSec": 0.414 }, "verification": { "sampleCount": 7, "passed": true } } ], "fixture": { "id": "runtime-workloads-v1", "payloadBytes": 1048576, "payloadSha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "streamChunkBytes": 65536, "httpBodyBytes": 65536, "httpBodySha256": "b70bd0bab85407b37d84b9d8d0d0f26f901355bd6ab9004d5bb35a95d241e9f7" } }, { "id": "webcontainers", "label": "webcontainers", "status": "measured", "environment": { "id": "webcontainers", "nodeVersion": "v22.22.3", "versions": { "node": "22.22.3", "acorn": "8.16.0", "ada": "2.9.2", "amaro": "1.1.8", "ares": "1.34.6", "brotli": "1.1.0", "cjs_module_lexer": "2.2.0", "cldr": "48.0", "icu": "78.2", "llhttp": "9.3.1", "modules": "127", "napi": "10", "nbytes": "0.1.3", "ncrypto": "0.0.1", "nghttp2": "1.64.0", "openssl": "3.5.6", "simdjson": "4.5.0", "simdutf": "6.4.2", "sqlite": "3.51.3", "tz": "2026a", "undici": "6.24.1", "unicode": "17.0", "uv": "1.51.0", "uvwasi": "0.0.23", "v8": "12.4.254.21-node.56", "zlib": "1.3.1-470d3a2", "zstd": "1.5.7", "webcontainer": "017acfb7" }, "platform": "linux", "arch": "x64", "osRelease": "5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.36", "execPath": "node", "logicalCpus": 8 }, "runner": { "source": "web/bench-runtime-workloads.mjs", "scriptSha256": "094dd31c872b6fdf080d022add317f40dde128c219342db33d7ba3504add69fb", "collection": "one exact runner invocation per workload; combined without changing samples", "command": [ "node", "web/bench-runtime-workloads.mjs", "--environment=webcontainers", "--samples=7", "--warmups=2", "--payload-kib=1024", "--stream-chunk-kib=64", "--http-requests=8", "--only=file-read", "--output=runtime-workloads-file-read.json" ] }, "policy": { "samples": 7, "warmups": 2, "httpRequests": 8 }, "browser": { "adapter": "temporary-webcontainers-workload-harness", "source": "https://webcontainers.io/", "packageVersion": "@webcontainer/api 1.6.4", "url": "http://127.0.0.1:4180/benchmark-webcontainers.html?v=14&run=16", "variant": "webcontainer-api" }, "workloads": [ { "id": "file-read", "label": "File read", "operation": "fs.promises.readFile + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 2.65, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 2.875, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 2.75, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 2.63, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 2.555, "verification": "passed" }, { 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"elapsedMs": 0.68, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.74, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.62, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.56, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 0.615, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 0.56, "maxMs": 0.74, "meanMs": 0.656, "medianMs": 0.67, "p95Ms": 0.74, "stdevMs": 0.057, "bytes": 1048576, "throughputMiBPerSec": 1492.537 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-read", "label": "Stream read", "operation": "fs.createReadStream + incremental SHA-256", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 20.675, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 19.965, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 20.065, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 19.555, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 20.465, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 18.825, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 20.81, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 18.825, "maxMs": 20.81, "meanMs": 20.051, "medianMs": 20.065, "p95Ms": 20.81, "stdevMs": 0.643, "bytes": 1048576, "throughputMiBPerSec": 49.838 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-copy", "label": "Stream copy", "operation": "pipeline(readable, Transform, writable)", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 10.175, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 9.57, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 11.84, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 8.875, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 10.015, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 9.965, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 10.17, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 8.875, "maxMs": 11.84, "meanMs": 10.087, "medianMs": 10.015, "p95Ms": 11.84, "stdevMs": 0.832, "bytes": 1048576, "throughputMiBPerSec": 99.85 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "server-lifecycle", "label": "Server lifecycle", "operation": "http.createServer + listen + close", "status": "measured", "samples": [ { "listenMs": 11.58, "closeMs": 9.085, "bytes": 0, "elapsedMs": 20.67, "verification": "passed" }, { "listenMs": 10.535, "closeMs": 8.565, "bytes": 0, "elapsedMs": 19.115, "verification": "passed" }, { "listenMs": 10.065, "closeMs": 9.66, "bytes": 0, "elapsedMs": 19.735, "verification": "passed" }, { "listenMs": 12.345, "closeMs": 7.73, "bytes": 0, "elapsedMs": 20.08, "verification": "passed" }, { "listenMs": 11.79, "closeMs": 9.065, "bytes": 0, "elapsedMs": 20.855, "verification": "passed" }, { "listenMs": 10.3, "closeMs": 8.88, "bytes": 0, "elapsedMs": 19.185, "verification": "passed" }, { "listenMs": 11.98, "closeMs": 7.66, "bytes": 0, "elapsedMs": 19.64, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 19.115, "maxMs": 20.855, "meanMs": 19.897, "medianMs": 19.735, "p95Ms": 20.855, "stdevMs": 0.628, "bytes": 0, "throughputMiBPerSec": null }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "http-roundtrip", "label": "HTTP round trip", "operation": "local HTTP server + sequential requests + close", "status": "measured", "samples": [ { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.18, "requestMs": 18.475, "closeMs": 0.045, "elapsedMs": 18.705, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 4.76, "requestMs": 21.645, "closeMs": 0.04, "elapsedMs": 26.455, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.175, "requestMs": 11.85, "closeMs": 0.07, "elapsedMs": 12.095, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.28, "requestMs": 13.97, "closeMs": 0.055, "elapsedMs": 14.31, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.26, "requestMs": 19.04, "closeMs": 0.055, "elapsedMs": 19.36, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.585, "requestMs": 15.605, "closeMs": 0.045, "elapsedMs": 16.24, "verification": "passed" }, { "bytes": 524288, "requests": 8, "responseBytes": 524288, "listenMs": 0.4, "requestMs": 16.355, "closeMs": 0.175, "elapsedMs": 16.975, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 12.095, "maxMs": 26.455, "meanMs": 17.734, "medianMs": 16.975, "p95Ms": 26.455, "stdevMs": 4.242, "bytes": 524288, "throughputMiBPerSec": 29.455 }, "verification": { "sampleCount": 7, "passed": true } } ], "fixture": { "id": "runtime-workloads-v1", "payloadBytes": 1048576, "payloadSha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "streamChunkBytes": 65536, "httpBodyBytes": 65536, "httpBodySha256": "b70bd0bab85407b37d84b9d8d0d0f26f901355bd6ab9004d5bb35a95d241e9f7" } }, { "id": "almostnode", "label": "almostnode", "status": "partial", "environment": { "id": "almostnode", "nodeVersion": "v20.0.0", "versions": { "node": "20.0.0", "v8": "11.3.244.8", "uv": "1.44.2" }, "platform": "linux", "arch": "x64", "osRelease": "5.10.0", "execPath": "node", "logicalCpus": 2 }, "runner": { "source": "web/bench-runtime-workloads.mjs", "scriptSha256": "094dd31c872b6fdf080d022add317f40dde128c219342db33d7ba3504add69fb", "collection": "one exact runner invocation per workload; combined without changing samples", "command": [ "node", "web/bench-runtime-workloads.mjs", "--environment=almostnode", "--samples=7", "--warmups=2", "--payload-kib=1024", "--stream-chunk-kib=64", "--http-requests=8", "--only=file-read", "--output=/runtime-workloads-file-read.json" ] }, "policy": { "samples": 7, "warmups": 2, "httpRequests": 8 }, "browser": { "adapter": "temporary-almostnode-workload-harness", "source": "https://github.com/BLamy/almostnode", "packageVersion": "@agent-wasm/core 0.4.0", "url": "http://127.0.0.1:4179/benchmark.html?run=7", "variant": "package-source" }, "workloads": [ { "id": "file-read", "label": "File read", "operation": "fs.promises.readFile + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 12.97, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 12.855, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 12.96, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 12.92, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 13, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 13.015, "verification": "passed" }, { "bytes": 1048576, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "elapsedMs": 12.95, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 12.855, "maxMs": 13.015, "meanMs": 12.953, "medianMs": 12.96, "p95Ms": 13.015, "stdevMs": 0.049, "bytes": 1048576, "throughputMiBPerSec": 77.16 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "file-write", "label": "File write", "operation": "fs.promises.writeFile + stat + SHA-256 verification", "status": "measured", "samples": [ { "bytes": 1048576, "elapsedMs": 1.455, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 1.4, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 1.405, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 1.415, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 1.615, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 1.355, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" }, { "bytes": 1048576, "elapsedMs": 1.33, "sha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 1.33, "maxMs": 1.615, "meanMs": 1.425, "medianMs": 1.405, "p95Ms": 1.615, "stdevMs": 0.086, "bytes": 1048576, "throughputMiBPerSec": 711.744 }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "stream-read", "label": "stream-read", "operation": "shared Node system workload", "status": "unsupported", "reason": "Error: stream-read: stream is not async iterable\n at runBenchmark (http://127.0.0.1:4179/__modules__/r/almostnode-runtime-4/esm/0/25fkrv?id=%2Fbench-runtime-workloads.mjs:553:17)\n at async main (http://127.0.0.1:4179/__modules__/r/almostnode-runtime-4/esm/0/25fkrv?id=%2Fbench-runtime-workloads.mjs:605:18)", "samples": [], "summary": null, "verification": { "sampleCount": 0, "passed": false } }, { "id": "stream-copy", "label": "stream-copy", "operation": "shared Node system workload", "status": "unsupported", "reason": "Error: ENOENT: no such file or directory, open '/runtime-workloads-stream-copy.json'\n at createNodeError (http://127.0.0.1:4179/packages/almostnode/src/virtual-fs.ts:78:15)\n at VirtualFS.readFileSync (http://127.0.0.1:4179/packages/almostnode/src/virtual-fs.ts:358:13)\n at http://127.0.0.1:4179/benchmark.js?t=1788232193001:23:71", "samples": [], "summary": null, "verification": { "sampleCount": 0, "passed": false } }, { "id": "server-lifecycle", "label": "Server lifecycle", "operation": "http.createServer + listen + close", "status": "measured", "samples": [ { "listenMs": 0.015, "closeMs": 0.005, "bytes": 0, "elapsedMs": 0.02, "verification": "passed" }, { "listenMs": 0.005, "closeMs": 0.01, "bytes": 0, "elapsedMs": 0.02, "verification": "passed" }, { "listenMs": 0.01, "closeMs": 0.005, "bytes": 0, "elapsedMs": 0.02, "verification": "passed" }, { "listenMs": 0.01, "closeMs": 0, "bytes": 0, "elapsedMs": 0.015, "verification": "passed" }, { "listenMs": 0.005, "closeMs": 0, "bytes": 0, "elapsedMs": 0.01, "verification": "passed" }, { "listenMs": 0.005, "closeMs": 0, "bytes": 0, "elapsedMs": 0.005, "verification": "passed" }, { "listenMs": 0.005, "closeMs": 0.005, "bytes": 0, "elapsedMs": 0.01, "verification": "passed" } ], "summary": { "sampleCount": 7, "minMs": 0.005, "maxMs": 0.02, "meanMs": 0.014, "medianMs": 0.015, "p95Ms": 0.02, "stdevMs": 0.006, "bytes": 0, "throughputMiBPerSec": null }, "verification": { "sampleCount": 7, "passed": true } }, { "id": "http-roundtrip", "label": "http-roundtrip", "operation": "shared Node system workload", "status": "unsupported", "reason": "Error: http-roundtrip: HTTP response status 403\n at runBenchmark (http://127.0.0.1:4179/__modules__/r/almostnode-runtime-7/esm/0/25fkrv?id=%2Fbench-runtime-workloads.mjs:553:17)\n at async main (http://127.0.0.1:4179/__modules__/r/almostnode-runtime-7/esm/0/25fkrv?id=%2Fbench-runtime-workloads.mjs:605:18)", "samples": [], "summary": null, "verification": { "sampleCount": 0, "passed": false } } ], "fixture": { "id": "runtime-workloads-v1", "payloadBytes": 1048576, "payloadSha256": "6078837668115dc3f7b2b24c8a8978ec534583fadd5c80b77c95a00d0cf51433", "streamChunkBytes": 65536, "httpBodyBytes": 65536, "httpBodySha256": "b70bd0bab85407b37d84b9d8d0d0f26f901355bd6ab9004d5bb35a95d241e9f7" } } ], "notRun": [ { "id": "webvm", "reason": "exact 1 MiB suite hit EADDRINUSE on the ephemeral loopback listener; a fresh 1 KiB file-read retry also exceeded the four-minute bounded run" } ] }