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https://github.com/Zeal-Operating-System/ZealOS.git
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72 lines
4.5 KiB
HTML
Executable file
72 lines
4.5 KiB
HTML
Executable file
<!DOCTYPE HTML>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">
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<meta name="generator" content="ZealOS V1.07">
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<style type="text/css">
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body {background-color:#1f1f1f;}
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.cF0{color:#e3e3e3;background-color:#1f1f1f;}
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.cF1{color:#4f84a6;background-color:#1f1f1f;}
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.cF2{color:#73a255;background-color:#1f1f1f;}
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.cF3{color:#297582;background-color:#1f1f1f;}
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.cF4{color:#b34f4b;background-color:#1f1f1f;}
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.cF5{color:#8a52c3;background-color:#1f1f1f;}
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.cF6{color:#b7822f;background-color:#1f1f1f;}
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.cF7{color:#444444;background-color:#1f1f1f;}
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.cF8{color:#6d6d6d;background-color:#1f1f1f;}
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.cF9{color:#94bfde;background-color:#1f1f1f;}
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.cFA{color:#a1ce97;background-color:#1f1f1f;}
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.cFB{color:#6db4be;background-color:#1f1f1f;}
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.cFC{color:#e88e88;background-color:#1f1f1f;}
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.cFD{color:#ca94e8;background-color:#1f1f1f;}
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.cFE{color:#d4b475;background-color:#1f1f1f;}
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.cFF{color:#1f1f1f;background-color:#1f1f1f;}
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</style>
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</head>
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<body>
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<pre style="font-family:monospace;font-size:12pt">
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<a name="l1"></a><span class=cF2>//You may wonder why "&" is used instead of "%".</span><span class=cF0>
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<a name="l2"></a>
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<a name="l3"></a>#</span><span class=cF1>define</span><span class=cF0> SAMPLE_SIZE </span><span class=cFE>100000000</span><span class=cF0>
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<a name="l4"></a>
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<a name="l5"></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="l6"></a>{
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<a name="l7"></a> </span><span class=cF9>I64</span><span class=cF0> start1, end1, start2, end2, overhead_time, test_time;
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<a name="l8"></a> </span><span class=cF9>I64</span><span class=cF0> </span><span class=cF1>reg</span><span class=cF0> i, </span><span class=cF1>reg</span><span class=cF0> tmp;
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<a name="l9"></a>
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<a name="l10"></a> </span><span class=cF5>CPURep</span><span class=cF0>;
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<a name="l11"></a>
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<a name="l12"></a> </span><span class=cF2>//Measure Loop Overhead</span><span class=cF0>
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<a name="l13"></a> start1 = </span><span class=cF5>TSCGet</span><span class=cF0>;
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<a name="l14"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i < SAMPLE_SIZE; i++)
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<a name="l15"></a> </span><span class=cF7>{</span><span class=cF0>
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<a name="l16"></a> </span><span class=cF7>}</span><span class=cF0>
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<a name="l17"></a> end1 = </span><span class=cF5>TSCGet</span><span class=cF0>;
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<a name="l18"></a> overhead_time = end1 - start1;
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<a name="l19"></a>
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<a name="l20"></a> </span><span class=cF2>//Measure remainder...</span><span class=cF0>
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<a name="l21"></a> start2 = </span><span class=cF5>TSCGet</span><span class=cF0>;
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<a name="l22"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i < SAMPLE_SIZE; i++)
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<a name="l23"></a> tmp = i % </span><span class=cFE>0x400</span><span class=cF0>;
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<a name="l24"></a> end2 = </span><span class=cF5>TSCGet</span><span class=cF0>;
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<a name="l25"></a> test_time = end2 - start2;
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<a name="l26"></a> </span><span class=cF6>"Remainder Version #1 Cycles\t: %10.5f\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="l27"></a>
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<a name="l28"></a> </span><span class=cF2>//Measure remainder...</span><span class=cF0>
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<a name="l29"></a> start2 = </span><span class=cF5>TSCGet</span><span class=cF0>;
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<a name="l30"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>0</span><span class=cF0>; i < SAMPLE_SIZE; i++)
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<a name="l31"></a> tmp = i & </span><span class=cFE>0x3FF</span><span class=cF0>;
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<a name="l32"></a> end2 = </span><span class=cF5>TSCGet</span><span class=cF0>;
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<a name="l33"></a> test_time = end2 - start2;
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<a name="l34"></a> </span><span class=cF6>"Remainder Version #2 Cycles\t: %10.5f\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="l35"></a>}
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<a name="l36"></a>
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<a name="l37"></a></span><span class=cF5>TimeIns</span><span class=cF0>;
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<a name="l38"></a>
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<a name="l39"></a></span><span class=cF2>/*</span><span class=cF0> </span><span class=cF2>Program Output</span><span class=cF1>
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<a name="l40"></a>8 Cores 2.660GHz
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<a name="l41"></a>Remainder Version #1 Cycles : 26.85345
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<a name="l42"></a>Remainder Version #2 Cycles : -0.00800
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<a name="l43"></a></span><span class=cF2>*/</span><span class=cF1>
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</span></pre></body>
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</html>
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