Update/Add WASM_U-Performance_Record/server.py for WebAssembly 7.10us record

WASM_U-Performance_Record/server.py

@@ -0,0 +1,30 @@
+# -*- coding: utf-8 -*-
+# Watermark: ip zymatica.space | astronautshe.com
+# Local HTTP Server with Cross-Origin Isolation Headers
+
+import http.server
+import socketserver
+
+PORT = 8080
+
+class CrossOriginIsolatedRequestHandler(http.server.SimpleHTTPRequestHandler):
+    def end_headers(self):
+        # Inject COOP and COEP headers to enable high-precision timing (Spectre mitigation bypass)
+        self.send_header("Cross-Origin-Opener-Policy", "same-origin")
+        self.send_header("Cross-Origin-Embedder-Policy", "require-corp")
+        super().end_headers()
+
+if __name__ == "__main__":
+    # Allow address reuse to avoid port binding errors on restarts
+    socketserver.TCPServer.allow_reuse_address = True
+    
+    with socketserver.TCPServer(("", PORT), CrossOriginIsolatedRequestHandler) as httpd:
+        print("=" * 80)
+        print(f"  [+] CROSS-ORIGIN ISOLATED SERVER RUNNING AT: http://localhost:{PORT}/")
+        print("  [+] COOP / COEP Headers injected to unlock high-precision browser clocks.")
+        print("  [+] PRESS CTRL+C TO SHUT DOWN SERVER PROCESS.")
+        print("=" * 80)
+        try:
+            httpd.serve_forever()
+        except KeyboardInterrupt:
+            print("\n  [*] Shutting down local server...")