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threadpi.c

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  • tfpi.html 667 B
    <html>
    <body>
    <script src=tf.min.js></script>
    <script>
    //
    // tfpi.html
    // Neil Gershenfeld 11/18/18
    // TensorFlow.js pi calculation benchmark
    // pi = 3.14159265358979323846
    //
    const points = 1e7
    const a = tf.scalar(0.5)
    const b = tf.scalar(0.75)
    const c = tf.scalar(0.25)
    const tstart = Date.now()/1000
    const index = tf.range(1,points)
    const sum = tf.sum(tf.div(a,tf.mul(index.sub(b),index.sub(c))))
    const tend = Date.now()/1000
    const mflops = points*5.0*1e-6/(tend-tstart);
    document.write('pi: '+sum.toString())
    document.write('<br>')
    document.write('time: '+(tend-tstart).toFixed(1)+'s')
    document.write('<br>')
    document.write('estimated MFlops: '+mflops)
    </script>