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wasmpi.html

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    • wasmpi.html 2.96 KiB 
    <!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>Rust WebAssembly pi benchmark</title>
</head>
<body>

<script type="module">
//
// wasmpi.html
// Neil Gershenfeld 12/26/24
// Rust WebAssembly pi calculation benchmark
// pi = 3.14159265358979323846
//

import init,* as wasm from "./dist/wasmpi.js";
await init();

window.js_serial = function() {
   var points = parseInt(document.getElementById('js_serial_points').value)
   var a = 0.5
   var b = 0.75
   var c = 0.25
   var pi = 0
   var tstart = Date.now()/1000
   for (var i = 1; i <= points; ++i)
      pi += a/((i-b)*(i-c))
   var tend = Date.now()/1000
   var mflops = points*5.0*1e-6/(tend-tstart)
   document.getElementById('div_js_pi_serial').innerHTML = 'pi: '+pi
   document.getElementById('div_js_time_serial').innerHTML = 'time: '+(tend-tstart).toFixed(1)+'s'
   document.getElementById('div_js_flop_serial').innerHTML = 'estimated MFlops: '+mflops.toFixed(1)
   }

window.rust_serial = function() {
   var points = parseInt(document.getElementById('rust_serial_points').value)
   var tstart = Date.now()/1000
   var pi = wasm.rust_serial_pi(points)
   var tend = Date.now()/1000
   var mflops = points*5.0*1e-6/(tend-tstart)
   document.getElementById('div_rust_pi_serial').innerHTML = 'pi: '+pi
   document.getElementById('div_rust_time_serial').innerHTML = 'time: '+(tend-tstart).toFixed(1)+'s'
   document.getElementById('div_rust_flop_serial').innerHTML = 'estimated MFlops: '+mflops.toFixed(1)
   }

window.rust_serial_map = function() {
   var points = parseInt(document.getElementById('rust_serial_map_points').value)
   var tstart = Date.now()/1000
   var pi = wasm.rust_serial_map_pi(points)
   var tend = Date.now()/1000
   var mflops = points*5.0*1e-6/(tend-tstart)
   document.getElementById('div_rust_pi_serial_map').innerHTML = 'pi: '+pi
   document.getElementById('div_rust_time_serial_map').innerHTML = 'time: '+(tend-tstart).toFixed(1)+'s'
   document.getElementById('div_rust_flop_serial_map').innerHTML = 'estimated MFlops: '+mflops.toFixed(1)
   }

</script>
</head>
<body>

<button onclick='js_serial()'>JavaScript calculate pi serial</button><br>
number of points: <input type='text' id='js_serial_points' value='1000000000' size=10>
<div id='div_js_pi_serial'>pi:</div>
<div id='div_js_time_serial'>time:</div>
<div id='div_js_flop_serial'>estimated MFlops:</div>

<br>

<button onclick='rust_serial()'>Rust WebAssembly calculate pi serial</button><br>
    number of points: <input type='text' id='rust_serial_points' value='1000000000' size=10>
<div id='div_rust_pi_serial'>pi:</div>
<div id='div_rust_time_serial'>time:</div>
<div id='div_rust_flop_serial'>estimated MFlops:</div>

<br>

<button onclick='rust_serial_map()'>Rust WebAssembly calculate pi map</button><br>
number of points: <input type='text' id='rust_serial_map_points' value='1000000000' size=10>
<div id='div_rust_pi_serial_map'>pi:</div>
<div id='div_rust_time_serial_map'>time:</div>
<div id='div_rust_flop_serial_map'>estimated MFlops:</div>

</body>
</html>