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Merged
workhorsy merged 3 commits into from
Jan 27, 2016
Merged

pulling from master #5

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9da614b
Added JavaScript bitwise or integer benchmark.
workhorsy Jan 27, 2016
7a10887
Added a Emscripten C benchmark.
workhorsy Jan 27, 2016
eee1c01
Added an Emscripten C -O3 benchmark.
workhorsy Jan 27, 2016
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14 changes: 12 additions & 2 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@
<script type="text/javascript" src="tests/js_pure/benchmark.js"></script>
<script type="text/javascript" src="tests/js_webworker/benchmark.js"></script>
<script type="text/javascript" src="tests/js_webworker_use_strict/benchmark.js"></script>
<script type="text/javascript" src="tests/js_webworker_or_integers/benchmark.js"></script>
<script type="text/javascript" src="tests/emscripten_c/benchmark.js"></script>
<script type="text/javascript" src="tests/emscripten_c_o3/benchmark.js"></script>
</head>
<body>
<span id="forkongithub">
Expand All @@ -30,13 +33,17 @@ <h2>Benchmarks:</h2>
<li>JavaScript - Pure: <span id="time_js_pure"></span></li>
<li>JavaScript - WebWorker: <span id="time_js_webworker"></span></li>
<li>JavaScript - WebWorker Use Strict: <span id="time_js_webworker_use_strict"></span></li>
<li>JavaScript - WebWorker Or Integers: <span id="time_js_webworker_or_integers"></span></li>
<li>Emscripten - C: <span id="time_emscripten_c"></span></li>
<li>Emscripten - C with -O3: <span id="time_emscripten_c_o3"></span></li>
</ul>

<h2>TODO:</h2>
<ul>
<li>Emscripten - C with Closure Compiler</li>
<li>Emscripten - C++</li>
<li>JavaScript - SIMD</li>
<li>ASM.js</li>
<li>Emscripten - C++</li>
<li>Duetto</li>
<li>WebAssembly - C++</li>
<li>Dart</li>
Expand All @@ -54,7 +61,10 @@ <h2>TODO:</h2>
var g_benchmarks = [
{'time_js_pure' : benchmarkJSPure},
{'time_js_webworker' : benchmarkJSWebWorker},
{'time_js_webworker_use_strict' : benchmarkJSWebWorkerUseStrict}
{'time_js_webworker_use_strict' : benchmarkJSWebWorkerUseStrict},
{'time_js_webworker_or_integers' : benchmarkJSWebWorkerUseOrIntegers},
{'time_emscripten_c' : benchmarkEmscriptenC},
{'time_emscripten_c_o3' : benchmarkEmscriptenCO3}
];

function startBenchmarks() {
Expand Down
47 changes: 47 additions & 0 deletions tests/emscripten_c/benchmark.js
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@@ -0,0 +1,47 @@



function benchmarkEmscriptenC(cb) {
var currentScriptPath = function() {
// NOTE: document.currentScript does not work in a Web Worker
// So we have to parse a stack trace maually
try {
throw new Error('');
} catch(e) {
var stack = e.stack;
var line = null;

// Chrome and IE
if (stack.indexOf('@') !== -1) {
line = stack.split('@')[1].split('\n')[0];
// Firefox
} else {
line = stack.split('(')[1].split(')')[0];
}
line = line.substring(0, line.lastIndexOf('/')) + '/';
return line;
}
};

console.info('benchmarkEmscriptenC');
var path = currentScriptPath() + 'worker.js';
console.info(path);
var worker = new Worker(path);
worker.onmessage = function(e) {
switch (e.data.action) {
case 'end':
var start_time = e.data.start_time;
var result = e.data.result;
var end_time = e.data.end_time;
var diff_time = end_time - start_time;
cb(diff_time, result);
worker.terminate();
break;
}
};

var message = {
action: 'start'
};
worker.postMessage(message);
}
16 changes: 16 additions & 0 deletions tests/emscripten_c/fibonacci.c
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@@ -0,0 +1,16 @@


#include <stdio.h>

int fibonacci(int n) {
if (n < 2) {
return n;
}
return fibonacci(n - 2) + fibonacci(n - 1);
}

int main() {
int retval = fibonacci(43);
printf("fib: %d\n", retval);
return 0;
}
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