Fix Piper memory pressure on iOS

2026-10-17 16:38:16 +02:00
parent b956527c72
commit c9b14e0726
6 changed files with 64 additions and 6 deletions
@@ -14,10 +14,19 @@ test('ONNX Runtime base URL rejects an invalid worker origin', async () => {
  assert.throws(() => createOnnxWasmPaths('undefined'), TypeError);
 });

-test('ONNX Runtime uses one thread and a bounded startup timeout', async () => {
+test('Piper and ONNX Runtime stay on one thread even though Piper overwrites ONNX settings', async () => {
  const {configureOnnxRuntime} = await import('../piper-onnx-config.mjs');
+  const navigatorObject = {hardwareConcurrency: 8};
+  const previousNavigator = globalThis.navigator;
+  Object.defineProperty(globalThis, 'navigator', {configurable: true, value: navigatorObject});
  const runtime = {env: {wasm: {numThreads: 0, initTimeout: 0}}};
-  configureOnnxRuntime(runtime);
-  assert.equal(runtime.env.wasm.numThreads, 1);
-  assert.equal(runtime.env.wasm.initTimeout, 60000);
+  try {
+    configureOnnxRuntime(runtime);
+    assert.equal(navigatorObject.hardwareConcurrency, 1);
+    assert.equal(runtime.env.wasm.numThreads, 1);
+    assert.equal(runtime.env.wasm.initTimeout, 60000);
+  } finally {
+    if (previousNavigator === undefined) delete globalThis.navigator;
+    else Object.defineProperty(globalThis, 'navigator', {configurable: true, value: previousNavigator});
+  }
 });