97f348ec9d
- Merge upstream main branch - Partially merge https://github.com/WebKit/JetStream/pull/167/ to display sub-times Change-Id: I9f30772ff2d6d068b09e43df3cb57da35b231ca2 Reviewed-on: https://chromium-review.googlesource.com/c/external/github.com/WebKit/JetStream/+/6911418 Reviewed-by: Victor Gomes <victorgomes@chromium.org>
81 lines
2.9 KiB
JavaScript
81 lines
2.9 KiB
JavaScript
// Copyright 2024 the V8 project authors. All rights reserved.
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// Copyright 2025 Apple Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// First, some polyfills for missing browser APIs in JavaScript shells.
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// Since the generated JavaScript code of SQLite immediately uses some of them,
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// we need to load and run this code before the generated `speedtest1.js` in the
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// JetStream driver.
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// Empty `URLSearchParams` has just the same interface as a `Map`.
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globalThis.URLSearchParams = Map;
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// Now, some configuration options for when we initialize SQLite.
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// Use JetStream functions instead of `console.log` and friends.
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globalThis.sqlite3ApiConfig = {
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log: print,
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debug: print,
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warn: print,
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error: print,
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};
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// Make sure we never initialize OPFS by removing one of it's APIs (see
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// `installOpfsVfs` in the generated JavaScript code of sqlite).
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// We never want to use it anyway (see VFS config below) and this way we don't
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// waste cycles on the browser runner to initialize it.
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delete globalThis.FileSystemHandle;
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class Benchmark {
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sqlite3Module;
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async init() {
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Module.wasmBinary = await JetStream.getBinary(JetStream.preload.wasmBinary);
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}
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async runIteration() {
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if (!this.sqlite3Module) {
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// Defined in the generated SQLite JavaScript code.
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// Different in details but seemingly related/inspired by Emscripten code.
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this.sqlite3Module = await sqlite3InitModule(Module);
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}
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// The following is simplified from inline JavaScript in `speedtest1.html`.
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// Configure the VFS to use.
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// Don't use OPFS, WASMFS (which is on top of OPFS), or kvvfs, since they
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// all use persistent browser storage (localStorage or OPFS), which is not
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// available in JavaScript shells.
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// Also don't use memfs, since that crashes with a NULL function pointer.
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// Instead, make the default VFS explicit.
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const capi = this.sqlite3Module.capi
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print("Available SQLite VFS:", capi.sqlite3_js_vfs_list());
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const vfs = "unix";
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print("Using VFS:", vfs);
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const pVfs = capi.sqlite3_vfs_find(vfs);
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if (!pVfs) {
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throw new Error("Unknown VFS:", vfs);
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}
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// These arguments should match the upstream browser runner in
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// `speedtest1.html`, except for the --size parameter.
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let argv = [
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"speedtest1",
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"--singlethread",
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//"--nomutex",
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//"--nosync",
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//"--memdb", // note that memdb trumps the filename arg
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"--nomemstat",
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"--big-transactions" /*important for tests 410 and 510!*/,
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"--size", "2", // To speedup, default is 100 (and takes about 4s).
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"--vfs", vfs, // See VFS comment above.
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];
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print("Calling main with argv:", argv);
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const wasm = this.sqlite3Module.wasm;
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wasm.scopedAllocPush(); // Required for `scopedAllocMainArgv()`.
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wasm.xCall("wasm_main", argv.length, wasm.scopedAllocMainArgv(argv));
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wasm.scopedAllocPop();
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}
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}
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