67 lines
4.2 KiB
Plaintext
67 lines
4.2 KiB
Plaintext
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="generator" content="TempleOS V5.03">
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<meta name="viewport" content="width=device-width">
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<link rel="stylesheet" href="/style/templeos.css">
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<script src="/script/templeos.js"></script>
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<style type="text/css">
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.cF0{color:#000000;background-color:#ffffff;}
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.cF1{color:#0000aa;background-color:#ffffff;}
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.cF4{color:#aa0000;background-color:#ffffff;}
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.cF9{color:#5555ff;background-color:#ffffff;}
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.cFB{color:#55ffff;background-color:#ffffff;}
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.cFC{color:#ff5555;background-color:#ffffff;}
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.cFD{color:#ff55ff;background-color:#ffffff;}
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.cFE{color:#ffff55;background-color:#ffffff;}
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.cFF{color:#ffffff;background-color:#ffffff;}
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</style>
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</head>
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<body>
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<pre id="content">
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<a name="l1"></a><span class=cF2>/*Allows you to time insts.</span><span class=cF0>
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<a name="l2"></a></span><span class=cF2>Results vary because the CPU does</span><span class=cF0>
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<a name="l3"></a></span><span class=cF2>parallel and out-of-order execution.</span><span class=cF0>
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<a name="l4"></a></span><span class=cF2>*/</span><span class=cF0>
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<a name="l5"></a>
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<a name="l6"></a>#</span><span class=cF1>define</span><span class=cF0> SAMPLE_SIZE 10000000
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<a name="l7"></a>
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<a name="l8"></a></span><span class=cF1>U0</span><span class=cF0> </span><span class=cF5>TimeIns</span><span class=cF0>()
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<a name="l9"></a>{
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<a name="l10"></a> </span><span class=cF9>I64</span><span class=cF0> i,</span><span class=cF1>start</span><span class=cF0>,</span><span class=cF1>end</span><span class=cF0>,overhead_time,test_time;
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<a name="l11"></a> </span><span class=cF1>F64</span><span class=cF0> d=5.0;
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<a name="l12"></a>
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<a name="l13"></a> </span><span class=cF2>//Measure Loop Overhead</span><span class=cF0>
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<a name="l14"></a> </span><span class=cF1>start</span><span class=cF0>=</span><span class=cF5>GetTSC</span><span class=cF0>;
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<a name="l15"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<SAMPLE_SIZE;i++);
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<a name="l16"></a> </span><span class=cF1>end</span><span class=cF0>=</span><span class=cF5>GetTSC</span><span class=cF0>;
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<a name="l17"></a> overhead_time=</span><span class=cF1>end</span><span class=cF0>-</span><span class=cF1>start</span><span class=cF0>;
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<a name="l18"></a> </span><span class=cF6>"\nOverhead Cycles:%12.6f\n"</span><span class=cF0>,</span><span class=cF5>ToF64</span><span class=cF0>(overhead_time)/SAMPLE_SIZE;
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<a name="l19"></a>
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<a name="l20"></a> </span><span class=cF1>start</span><span class=cF0>=</span><span class=cF5>GetTSC</span><span class=cF0>;
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<a name="l21"></a> </span><span class=cF1>for</span><span class=cF0> (i=0;i<SAMPLE_SIZE;i++) </span><span class=cF7>{</span><span class=cF0>
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<a name="l22"></a> #</span><span class=cF1>exe</span><span class=cF0> {</span><span class=cF5>PassTrace</span><span class=cF0>(0b10000000000);};
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<a name="l23"></a></span><span class=cF2>//Time these insts</span><span class=cF0>
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<a name="l24"></a> d*=1.00001;
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<a name="l25"></a> #</span><span class=cF1>exe</span><span class=cF0> {</span><span class=cF5>PassTrace</span><span class=cF0>(0);};
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<a name="l26"></a> </span><span class=cF7>}</span><span class=cF0>
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<a name="l27"></a> </span><span class=cF1>end</span><span class=cF0>=</span><span class=cF5>GetTSC</span><span class=cF0>;
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<a name="l28"></a> test_time=</span><span class=cF1>end</span><span class=cF0>-</span><span class=cF1>start</span><span class=cF0>;
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<a name="l29"></a>
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<a name="l30"></a> </span><span class=cF6>"Measured Cycles:%12.6f\n"</span><span class=cF0>,</span><span class=cF5>ToF64</span><span class=cF0>(test_time-overhead_time)/SAMPLE_SIZE;
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<a name="l31"></a>}
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<a name="l32"></a>
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<a name="l33"></a></span><span class=cF5>TimeIns</span><span class=cF0>;
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<a name="l34"></a></span><span class=cF5>TimeIns</span><span class=cF0>;
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<a name="l35"></a></span><span class=cF5>TimeIns</span><span class=cF0>;
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</span></pre></body>
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</html>
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