| <!DOCTYPE HTML> |
| <html lang="en"> |
| <head> |
| <meta charset="utf-8"> |
| <title>Binaryen</title> |
| <style type="text/css"> |
| |
| * { margin:0; padding:0; font-family:inherit; } |
| body { |
| margin:2em; |
| background:white; |
| color:black; |
| font:14px monospace; |
| white-space: pre; |
| } |
| p { |
| white-space: normal; |
| font-family:sans-serif; |
| } |
| |
| </style> |
| <script type="text/javascript" src="../../bin/binaryen.js"></script> |
| </head> |
| <body><script type="text/javascript"> |
| // Separate javascript tag to support <=ES3 browser (the other block uses ES5 and ES6 features) |
| if (!window.Wasm) { |
| var e = document.createElement('p'); |
| e.innerHTML = 'No WASM support detected.<br>Please see <a href="https://github.com/kripken/emscripten/wiki/WebAssembly#testing-native-webassembly-in-browsers">https://github.com/kripken/emscripten/wiki/WebAssembly#testing-native-webassembly-in-browsers</a> for instructions on how to enable it.'; |
| document.body.appendChild(e); |
| } |
| </script><script type="text/javascript"> |
| if (window.Wasm) { |
| document.write("See console"); |
| |
| let initStart = Date.now(); |
| Binaryen = Binaryen(); |
| let initDuration = Date.now() - initStart; |
| console.log('initializing module by calling Binaryen(): '+initDuration+'ms'); |
| |
| let input1 =` |
| (module |
| (export "add" $add) |
| (import $add2 "env" "add" (param f64 f64) (result f64)) |
| (func $add (param $x f64) (param $y f64) (result f64) |
| (f64.add |
| (call_import $add2 (get_local $x) (get_local $y)) |
| (f64.add (get_local $x) (get_local $y)) |
| ) |
| ) |
| )`; |
| let startTime = 0, endTime = 0; |
| let yieldStartTime = 0, yieldEndTime = 0; |
| let iterations = 10000000; |
| let yieldAt = 10000; |
| let i = 0; |
| let end = () => { |
| let duration = endTime - startTime; |
| console.log('benchmark ended: '+(duration / iterations)+' ms/call ('+duration+' ms)') |
| } |
| |
| let runChunk = () => { |
| yieldEndTime = Date.now(); |
| if (yieldStartTime) { |
| // subtract time spent yielding |
| startTime += yieldEndTime - yieldStartTime; |
| } |
| for (; i < iterations; ++i) { |
| if (i != 0 && i % yieldAt == 0) { |
| break; |
| } |
| let buf = Binaryen.compileWast(input1); |
| } |
| if (i < iterations) { |
| endTime = Date.now(); |
| end(); |
| } else { |
| // yield main thread |
| yieldStartTime = Date.now(); |
| setTimeout(chunk, 0); |
| } |
| } |
| |
| console.log('benchmark starting') |
| startTime = Date.now(); |
| runChunk(); |
| |
| } |
| |
| </script> |
| </body> |
| </html> |
