Add Dart-flute-todomvc in addition to complex

Update to the latest wasm_gc_benchmarks commit, and pull in the todomvc
benchmark too.

I had to update the benchmark runner polyfill. I just copy pasted things
from tools/run_wasm.js until it worked for me. This part likely needs
some filtering and clean up.

Author: eqrion

Dart/benchmark.js

@@ -1,5 +1,5 @@
-Built on 2025-03-06 09:52:17+01:00
+Built on Mon Jul 21 11:06:59 CDT 2025
 Cloning into 'wasm_gc_benchmarks'...
-f80892d Update Dart SDK, switch wasm to -O2, recompile performance benchmarks
+0fc62a9 Roll third_party/flute, rename benchmarks/{flute->flute.complex}.dart, add benchmarks/flute.todomvc.dart
 Copying files from wasm_gc_benchmarks/ into build/
 Build success

Dart/build.log

@@ -7,9 +7,9 @@ rm -rf wasm_gc_benchmarks/
 rm -rf build/
 
 BUILD_LOG="$(realpath build.log)"
-echo -e "Built on $(date --rfc-3339=seconds)" | tee "$BUILD_LOG"
+echo -e "Built on $(date)" | tee "$BUILD_LOG"
 
-git clone https://github.com/mkustermann/wasm_gc_benchmarks |& tee -a "$BUILD_LOG"
+git clone https://github.com/mkustermann/wasm_gc_benchmarks 2>&1 | tee -a "$BUILD_LOG"
 pushd wasm_gc_benchmarks/
 git log -1 --oneline | tee -a "$BUILD_LOG"
 popd
@@ -19,7 +19,10 @@ mkdir -p build/ | tee -a "$BUILD_LOG"
 # Generic Dart2wasm runner.
 cp wasm_gc_benchmarks/tools/run_wasm.js build/ | tee -a "$BUILD_LOG"
 # "Flute Complex" benchmark application.
-cp wasm_gc_benchmarks/benchmarks-out/flute.dart2wasm.{mjs,wasm} build/ | tee -a "$BUILD_LOG"
+# cp wasm_gc_benchmarks/benchmarks-out/flute.complex.dart2wasm.mjs build/flute.dart2wasm.mjs | tee -a "$BUILD_LOG"
+# cp wasm_gc_benchmarks/benchmarks-out/flute.complex.dart2wasm.wasm build/flute.dart2wasm.wasm | tee -a "$BUILD_LOG"
+cp wasm_gc_benchmarks/benchmarks-out/flute.complex.dart2wasm.{mjs,wasm} build/ | tee -a "$BUILD_LOG"
+cp wasm_gc_benchmarks/benchmarks-out/flute.todomvc.dart2wasm.{mjs,wasm} build/ | tee -a "$BUILD_LOG"
 
 echo "Build success" | tee -a "$BUILD_LOG"
 

Dart/build.sh

@@ -0,0 +1,367 @@
+// Compiles a dart2wasm-generated main module from `source` which can then
+// instantiatable via the `instantiate` method.
+//
+// `source` needs to be a `Response` object (or promise thereof) e.g. created
+// via the `fetch()` JS API.
+export async function compileStreaming(source) {
+  const builtins = {builtins: ['js-string']};
+  return new CompiledApp(
+      await WebAssembly.compileStreaming(source, builtins), builtins);
+}
+
+// Compiles a dart2wasm-generated wasm modules from `bytes` which is then
+// instantiatable via the `instantiate` method.
+export async function compile(bytes) {
+  const builtins = {builtins: ['js-string']};
+  return new CompiledApp(await WebAssembly.compile(bytes, builtins), builtins);
+}
+
+// DEPRECATED: Please use `compile` or `compileStreaming` to get a compiled app,
+// use `instantiate` method to get an instantiated app and then call
+// `invokeMain` to invoke the main function.
+export async function instantiate(modulePromise, importObjectPromise) {
+  var moduleOrCompiledApp = await modulePromise;
+  if (!(moduleOrCompiledApp instanceof CompiledApp)) {
+    moduleOrCompiledApp = new CompiledApp(moduleOrCompiledApp);
+  }
+  const instantiatedApp = await moduleOrCompiledApp.instantiate(await importObjectPromise);
+  return instantiatedApp.instantiatedModule;
+}
+
+// DEPRECATED: Please use `compile` or `compileStreaming` to get a compiled app,
+// use `instantiate` method to get an instantiated app and then call
+// `invokeMain` to invoke the main function.
+export const invoke = (moduleInstance, ...args) => {
+  moduleInstance.exports.$invokeMain(args);
+}
+
+class CompiledApp {
+  constructor(module, builtins) {
+    this.module = module;
+    this.builtins = builtins;
+  }
+
+  // The second argument is an options object containing:
+  // `loadDeferredWasm` is a JS function that takes a module name matching a
+  //   wasm file produced by the dart2wasm compiler and returns the bytes to
+  //   load the module. These bytes can be in either a format supported by
+  //   `WebAssembly.compile` or `WebAssembly.compileStreaming`.
+  // `loadDynamicModule` is a JS function that takes two string names matching,
+  //   in order, a wasm file produced by the dart2wasm compiler during dynamic
+  //   module compilation and a corresponding js file produced by the same
+  //   compilation. It should return a JS Array containing 2 elements. The first
+  //   should be the bytes for the wasm module in a format supported by
+  //   `WebAssembly.compile` or `WebAssembly.compileStreaming`. The second
+  //   should be the result of using the JS 'import' API on the js file path.
+  async instantiate(additionalImports, {loadDeferredWasm, loadDynamicModule} = {}) {
+    let dartInstance;
+
+    // Prints to the console
+    function printToConsole(value) {
+      if (typeof dartPrint == "function") {
+        dartPrint(value);
+        return;
+      }
+      if (typeof console == "object" && typeof console.log != "undefined") {
+        console.log(value);
+        return;
+      }
+      if (typeof print == "function") {
+        print(value);
+        return;
+      }
+
+      throw "Unable to print message: " + value;
+    }
+
+    // A special symbol attached to functions that wrap Dart functions.
+    const jsWrappedDartFunctionSymbol = Symbol("JSWrappedDartFunction");
+
+    function finalizeWrapper(dartFunction, wrapped) {
+      wrapped.dartFunction = dartFunction;
+      wrapped[jsWrappedDartFunctionSymbol] = true;
+      return wrapped;
+    }
+
+    // Imports
+    const dart2wasm = {
+            _4: (o, c) => o instanceof c,
+      _6: (o,s,v) => o[s] = v,
+      _39: x0 => x0.length,
+      _41: (x0,x1) => x0[x1],
+      _69: () => Symbol("jsBoxedDartObjectProperty"),
+      _70: (decoder, codeUnits) => decoder.decode(codeUnits),
+      _71: () => new TextDecoder("utf-8", {fatal: true}),
+      _72: () => new TextDecoder("utf-8", {fatal: false}),
+      _73: (s) => +s,
+      _74: Date.now,
+      _76: s => new Date(s * 1000).getTimezoneOffset() * 60,
+      _77: s => {
+        if (!/^\s*[+-]?(?:Infinity|NaN|(?:\.\d+|\d+(?:\.\d*)?)(?:[eE][+-]?\d+)?)\s*$/.test(s)) {
+          return NaN;
+        }
+        return parseFloat(s);
+      },
+      _78: () => {
+        let stackString = new Error().stack.toString();
+        let frames = stackString.split('\n');
+        let drop = 2;
+        if (frames[0] === 'Error') {
+            drop += 1;
+        }
+        return frames.slice(drop).join('\n');
+      },
+      _79: () => typeof dartUseDateNowForTicks !== "undefined",
+      _80: () => 1000 * performance.now(),
+      _81: () => Date.now(),
+      _84: () => new WeakMap(),
+      _85: (map, o) => map.get(o),
+      _86: (map, o, v) => map.set(o, v),
+      _99: s => JSON.stringify(s),
+      _100: s => printToConsole(s),
+      _101: (o, p, r) => o.replaceAll(p, () => r),
+      _103: Function.prototype.call.bind(String.prototype.toLowerCase),
+      _104: s => s.toUpperCase(),
+      _105: s => s.trim(),
+      _106: s => s.trimLeft(),
+      _107: s => s.trimRight(),
+      _108: (string, times) => string.repeat(times),
+      _109: Function.prototype.call.bind(String.prototype.indexOf),
+      _110: (s, p, i) => s.lastIndexOf(p, i),
+      _111: (string, token) => string.split(token),
+      _112: Object.is,
+      _113: o => o instanceof Array,
+      _118: a => a.pop(),
+      _119: (a, i) => a.splice(i, 1),
+      _120: (a, s) => a.join(s),
+      _121: (a, s, e) => a.slice(s, e),
+      _124: a => a.length,
+      _126: (a, i) => a[i],
+      _127: (a, i, v) => a[i] = v,
+      _130: (o, offsetInBytes, lengthInBytes) => {
+        var dst = new ArrayBuffer(lengthInBytes);
+        new Uint8Array(dst).set(new Uint8Array(o, offsetInBytes, lengthInBytes));
+        return new DataView(dst);
+      },
+      _132: o => o instanceof Uint8Array,
+      _133: (o, start, length) => new Uint8Array(o.buffer, o.byteOffset + start, length),
+      _135: (o, start, length) => new Int8Array(o.buffer, o.byteOffset + start, length),
+      _137: (o, start, length) => new Uint8ClampedArray(o.buffer, o.byteOffset + start, length),
+      _139: (o, start, length) => new Uint16Array(o.buffer, o.byteOffset + start, length),
+      _141: (o, start, length) => new Int16Array(o.buffer, o.byteOffset + start, length),
+      _143: (o, start, length) => new Uint32Array(o.buffer, o.byteOffset + start, length),
+      _145: (o, start, length) => new Int32Array(o.buffer, o.byteOffset + start, length),
+      _147: (o, start, length) => new BigInt64Array(o.buffer, o.byteOffset + start, length),
+      _149: (o, start, length) => new Float32Array(o.buffer, o.byteOffset + start, length),
+      _151: (o, start, length) => new Float64Array(o.buffer, o.byteOffset + start, length),
+      _152: (t, s) => t.set(s),
+      _154: (o) => new DataView(o.buffer, o.byteOffset, o.byteLength),
+      _156: o => o.buffer,
+      _157: o => o.byteOffset,
+      _158: Function.prototype.call.bind(Object.getOwnPropertyDescriptor(DataView.prototype, 'byteLength').get),
+      _159: (b, o) => new DataView(b, o),
+      _160: (b, o, l) => new DataView(b, o, l),
+      _161: Function.prototype.call.bind(DataView.prototype.getUint8),
+      _162: Function.prototype.call.bind(DataView.prototype.setUint8),
+      _163: Function.prototype.call.bind(DataView.prototype.getInt8),
+      _164: Function.prototype.call.bind(DataView.prototype.setInt8),
+      _165: Function.prototype.call.bind(DataView.prototype.getUint16),
+      _166: Function.prototype.call.bind(DataView.prototype.setUint16),
+      _167: Function.prototype.call.bind(DataView.prototype.getInt16),
+      _168: Function.prototype.call.bind(DataView.prototype.setInt16),
+      _169: Function.prototype.call.bind(DataView.prototype.getUint32),
+      _170: Function.prototype.call.bind(DataView.prototype.setUint32),
+      _171: Function.prototype.call.bind(DataView.prototype.getInt32),
+      _172: Function.prototype.call.bind(DataView.prototype.setInt32),
+      _175: Function.prototype.call.bind(DataView.prototype.getBigInt64),
+      _176: Function.prototype.call.bind(DataView.prototype.setBigInt64),
+      _177: Function.prototype.call.bind(DataView.prototype.getFloat32),
+      _178: Function.prototype.call.bind(DataView.prototype.setFloat32),
+      _179: Function.prototype.call.bind(DataView.prototype.getFloat64),
+      _180: Function.prototype.call.bind(DataView.prototype.setFloat64),
+      _182: () => globalThis.performance,
+      _183: () => globalThis.JSON,
+      _184: x0 => x0.measure,
+      _185: x0 => x0.mark,
+      _186: x0 => x0.clearMeasures,
+      _187: x0 => x0.clearMarks,
+      _188: (x0,x1,x2,x3) => x0.measure(x1,x2,x3),
+      _189: (x0,x1,x2) => x0.mark(x1,x2),
+      _190: x0 => x0.clearMeasures(),
+      _191: x0 => x0.clearMarks(),
+      _192: (x0,x1) => x0.parse(x1),
+      _193: (ms, c) =>
+      setTimeout(() => dartInstance.exports.$invokeCallback(c),ms),
+      _194: (handle) => clearTimeout(handle),
+      _197: (c) =>
+      queueMicrotask(() => dartInstance.exports.$invokeCallback(c)),
+      _232: (x0,x1) => x0.matchMedia(x1),
+      _233: (s, m) => {
+        try {
+          return new RegExp(s, m);
+        } catch (e) {
+          return String(e);
+        }
+      },
+      _234: (x0,x1) => x0.exec(x1),
+      _235: (x0,x1) => x0.test(x1),
+      _236: x0 => x0.pop(),
+      _238: o => o === undefined,
+      _240: o => typeof o === 'function' && o[jsWrappedDartFunctionSymbol] === true,
+      _243: o => o instanceof RegExp,
+      _244: (l, r) => l === r,
+      _245: o => o,
+      _246: o => o,
+      _247: o => o,
+      _249: o => o.length,
+      _251: (o, i) => o[i],
+      _252: f => f.dartFunction,
+      _253: () => ({}),
+      _256: () => globalThis,
+      _263: o => String(o),
+      _265: o => {
+        if (o === undefined) return 1;
+        var type = typeof o;
+        if (type === 'boolean') return 2;
+        if (type === 'number') return 3;
+        if (type === 'string') return 4;
+        if (o instanceof Array) return 5;
+        if (ArrayBuffer.isView(o)) {
+          if (o instanceof Int8Array) return 6;
+          if (o instanceof Uint8Array) return 7;
+          if (o instanceof Uint8ClampedArray) return 8;
+          if (o instanceof Int16Array) return 9;
+          if (o instanceof Uint16Array) return 10;
+          if (o instanceof Int32Array) return 11;
+          if (o instanceof Uint32Array) return 12;
+          if (o instanceof Float32Array) return 13;
+          if (o instanceof Float64Array) return 14;
+          if (o instanceof DataView) return 15;
+        }
+        if (o instanceof ArrayBuffer) return 16;
+        return 17;
+      },
+      _271: (jsArray, jsArrayOffset, wasmArray, wasmArrayOffset, length) => {
+        const setValue = dartInstance.exports.$wasmI8ArraySet;
+        for (let i = 0; i < length; i++) {
+          setValue(wasmArray, wasmArrayOffset + i, jsArray[jsArrayOffset + i]);
+        }
+      },
+      _275: (jsArray, jsArrayOffset, wasmArray, wasmArrayOffset, length) => {
+        const setValue = dartInstance.exports.$wasmI32ArraySet;
+        for (let i = 0; i < length; i++) {
+          setValue(wasmArray, wasmArrayOffset + i, jsArray[jsArrayOffset + i]);
+        }
+      },
+      _277: (jsArray, jsArrayOffset, wasmArray, wasmArrayOffset, length) => {
+        const setValue = dartInstance.exports.$wasmF32ArraySet;
+        for (let i = 0; i < length; i++) {
+          setValue(wasmArray, wasmArrayOffset + i, jsArray[jsArrayOffset + i]);
+        }
+      },
+      _279: (jsArray, jsArrayOffset, wasmArray, wasmArrayOffset, length) => {
+        const setValue = dartInstance.exports.$wasmF64ArraySet;
+        for (let i = 0; i < length; i++) {
+          setValue(wasmArray, wasmArrayOffset + i, jsArray[jsArrayOffset + i]);
+        }
+      },
+      _283: x0 => x0.index,
+      _285: x0 => x0.flags,
+      _286: x0 => x0.multiline,
+      _287: x0 => x0.ignoreCase,
+      _288: x0 => x0.unicode,
+      _289: x0 => x0.dotAll,
+      _290: (x0,x1) => { x0.lastIndex = x1 },
+      _292: (o, p) => o[p],
+      _295: x0 => x0.random(),
+      _298: () => globalThis.Math,
+      _299: Function.prototype.call.bind(Number.prototype.toString),
+      _300: Function.prototype.call.bind(BigInt.prototype.toString),
+      _301: Function.prototype.call.bind(Number.prototype.toString),
+      _302: (d, digits) => d.toFixed(digits),
+      _2062: () => globalThis.window,
+      _8706: x0 => x0.matches,
+      _12689: x0 => { globalThis.window.flutterCanvasKit = x0 },
+
+    };
+
+    const baseImports = {
+      dart2wasm: dart2wasm,
+      Math: Math,
+      Date: Date,
+      Object: Object,
+      Array: Array,
+      Reflect: Reflect,
+      S: new Proxy({}, { get(_, prop) { return prop; } }),
+
+    };
+
+    const jsStringPolyfill = {
+      "charCodeAt": (s, i) => s.charCodeAt(i),
+      "compare": (s1, s2) => {
+        if (s1 < s2) return -1;
+        if (s1 > s2) return 1;
+        return 0;
+      },
+      "concat": (s1, s2) => s1 + s2,
+      "equals": (s1, s2) => s1 === s2,
+      "fromCharCode": (i) => String.fromCharCode(i),
+      "length": (s) => s.length,
+      "substring": (s, a, b) => s.substring(a, b),
+      "fromCharCodeArray": (a, start, end) => {
+        if (end <= start) return '';
+
+        const read = dartInstance.exports.$wasmI16ArrayGet;
+        let result = '';
+        let index = start;
+        const chunkLength = Math.min(end - index, 500);
+        let array = new Array(chunkLength);
+        while (index < end) {
+          const newChunkLength = Math.min(end - index, 500);
+          for (let i = 0; i < newChunkLength; i++) {
+            array[i] = read(a, index++);
+          }
+          if (newChunkLength < chunkLength) {
+            array = array.slice(0, newChunkLength);
+          }
+          result += String.fromCharCode(...array);
+        }
+        return result;
+      },
+      "intoCharCodeArray": (s, a, start) => {
+        if (s === '') return 0;
+
+        const write = dartInstance.exports.$wasmI16ArraySet;
+        for (var i = 0; i < s.length; ++i) {
+          write(a, start++, s.charCodeAt(i));
+        }
+        return s.length;
+      },
+      "test": (s) => typeof s == "string",
+    };
+
+
+    
+
+    dartInstance = await WebAssembly.instantiate(this.module, {
+      ...baseImports,
+      ...additionalImports,
+      
+      "wasm:js-string": jsStringPolyfill,
+    });
+
+    return new InstantiatedApp(this, dartInstance);
+  }
+}
+
+class InstantiatedApp {
+  constructor(compiledApp, instantiatedModule) {
+    this.compiledApp = compiledApp;
+    this.instantiatedModule = instantiatedModule;
+  }
+
+  // Call the main function with the given arguments.
+  invokeMain(...args) {
+    this.instantiatedModule.exports.$invokeMain(args);
+  }
+}