First Commit

2025-11-18 12:55:09 +01:00
parent ce26e0a82d
commit 48f65f3927
663 changed files with 72246 additions and 1 deletions
--- a/wasm_pthread_fast/web/index.html
+++ b/wasm_pthread_fast/web/index.html
@@ -0,0 +1,59 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8" />
+  <title>WASM Pthreads Demo</title>
+  <script type="module">
+    import WasmModule from './wasm_add_pthread.js';
+
+    async function main() {
+      const loadStart = performance.now();
+      const wasmModule = await WasmModule(); // fully initialized
+      const loadDuration = performance.now() - loadStart;
+      console.log(`WASM module load time: ${loadDuration} ms`);
+
+      if (!wasmModule.HEAPU8 || !wasmModule.HEAPU8.buffer) {
+        console.error("HEAPU8 or HEAPU8.buffer not found!");
+        return;
+      }
+
+      const ARRAY_SIZE = 15000576;
+      const allocStart = performance.now();
+      const aPtr = wasmModule._alloc_float_array(ARRAY_SIZE);
+      const bPtr = wasmModule._alloc_float_array(ARRAY_SIZE);
+      const cPtr = wasmModule._alloc_float_array(ARRAY_SIZE);
+      const allocDuration = performance.now() - allocStart;
+      console.log(`Memory allocation time: ${allocDuration} ms`);
+
+      const initStart = performance.now();
+      wasmModule._init_arrays(aPtr, bPtr);
+      const initDuration = performance.now() - initStart;
+      console.log(`Array initialization time: ${initDuration} ms`);
+
+      // Create a Float32Array view on the WASM memory buffer
+      const memory = new Float32Array(wasmModule.HEAPU8.buffer);
+
+      const calcStart = performance.now();
+      for (let i = 0; i < 100; i++) {
+        wasmModule._calculate_range(aPtr, bPtr, cPtr, 0, ARRAY_SIZE);
+      }
+      const calcDuration = performance.now() - calcStart;
+      console.log(`Average calc time: ${(calcDuration / 100).toFixed(2)} ms`);
+
+      for (let i = 0; i < 10; i++) {
+        console.log(`c[${i}] = ${memory[cPtr / 4 + i]}`);
+      }
+
+      const deallocStart = performance.now();
+      wasmModule._dealloc_float_array(aPtr);
+      wasmModule._dealloc_float_array(bPtr);
+      wasmModule._dealloc_float_array(cPtr);
+      const deallocDuration = performance.now() - deallocStart;
+      console.log(`Memory deallocation time: ${deallocDuration} ms`);
+    }
+
+    main();
+  </script>
+</head>
+<body></body>
+</html>