mirror of
https://github.com/Zeal-Operating-System/ZealOS.git
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2ea6956433
Restructure network stack to use new Interrupt methods instead of hard-coded IRQ numbers. Add line count update into build process. Add progress bars to HTML generation and DoDistro. Clear Network Log border_doc. Fix font chars. Clean up some lingering unconverted variable and directory names. Remove word-wrap DolDoc tag from Clementine bible because of CPU spikes.
126 lines
9.1 KiB
HTML
Executable file
126 lines
9.1 KiB
HTML
Executable file
<!DOCTYPE HTML>
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<html>
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<meta http-equiv="Content-Type" content="text/html;charset=US-ASCII">
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<meta name="generator" content="ZealOS V0.07">
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<style type="text/css">
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body {background-color:#000000;}
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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>/*</span><span class=cF0>
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<a name="l2"></a></span><span class=cF2>"Fixed point" means you use ints</span><span class=cF0>
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<a name="l3"></a></span><span class=cF2>that are scaled by a value. A common</span><span class=cF0>
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<a name="l4"></a></span><span class=cF2>example would be using number of pennies</span><span class=cF0>
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<a name="l5"></a></span><span class=cF2>instead of dollars with a float.</span><span class=cF0>
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<a name="l6"></a>
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<a name="l7"></a></span><span class=cF2>Fixed-point used to be much </span><a href="http://en.wikipedia.org/wiki/X87"><span class=cF2>faster</span></a><span class=cF2>,</span><span class=cF0>
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<a name="l8"></a></span><span class=cF2>but modern processors do well with</span><span class=cF0>
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<a name="l9"></a></span><span class=cF2>floats. It also depends on the compiler</span><span class=cF0>
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<a name="l10"></a></span><span class=cF2>and the CosmiC compiler is poor with floats.</span><span class=cF0>
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<a name="l11"></a>
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<a name="l12"></a></span><span class=cF2>Terry often used 64-bit ints with upper 32-bits</span><span class=cF0>
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<a name="l13"></a></span><span class=cF2>as int and lower 32-bits as fraction.</span><span class=cF0>
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<a name="l14"></a>
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<a name="l15"></a></span><span class=cF2>See </span><a href="https://tomawezome.github.io/ZealOS/Demo/SubIntAccess.CC.html#l1"><span class=cF4>::/Demo/SubIntAccess.CC</span></a><span class=cF2> for how</span><span class=cF0>
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<a name="l16"></a></span><span class=cF2>to access upper or lower 32-bits.</span><span class=cF0>
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<a name="l17"></a>
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<a name="l18"></a></span><span class=cF2>For a complete list of nonstandard compiler</span><span class=cF0>
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<a name="l19"></a></span><span class=cF2>features, see </span><a href="https://tomawezome.github.io/ZealOS/Doc/CosmiC.DD.html#l1"><span class=cF4>::/Doc/CosmiC.DD</span></a><span class=cF2>.</span><span class=cF0>
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<a name="l20"></a></span><span class=cF2>*/</span><span class=cF0>
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<a name="l21"></a>
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<a name="l22"></a></span><span class=cF1>U0</span><span class=cF0> Main()
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<a name="l23"></a>{
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<a name="l24"></a> </span><span class=cF1>F64</span><span class=cF0> t0, f_sum=</span><span class=cFE>0</span><span class=cF0>, f_val;
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<a name="l25"></a> </span><span class=cF9>I64</span><span class=cF0> i , i_sum=</span><span class=cFE>0</span><span class=cF0>, i_val;
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<a name="l26"></a>
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<a name="l27"></a> i_val = </span><span class=cFE>2</span><span class=cF0>.</span><span class=cFE>0000002</span><span class=cF0> * </span><span class=cFE>0x100000000</span><span class=cF0>;
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<a name="l28"></a> t0 = </span><span class=cF5>tS</span><span class=cF0>;
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<a name="l29"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>1000000000</span><span class=cF0>; i; i--)
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<a name="l30"></a> i_sum += i_val;
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<a name="l31"></a> </span><span class=cF6>"Int Sum\t\t:%.9f Time:%7.3fs\n"</span><span class=cF0>, i_sum / </span><span class=cF5>ToF64</span><span class=cF0>(</span><span class=cFE>0x100000000</span><span class=cF0>), </span><span class=cF5>tS</span><span class=cF0> - t0;
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<a name="l32"></a>
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<a name="l33"></a> f_val = </span><span class=cFE>2</span><span class=cF0>.</span><span class=cFE>0000002</span><span class=cF0>;
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<a name="l34"></a> t0 = </span><span class=cF5>tS</span><span class=cF0>;
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<a name="l35"></a> </span><span class=cF1>for</span><span class=cF0> (i = </span><span class=cFE>1000000000</span><span class=cF0>; i; i--)
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<a name="l36"></a> f_sum += f_val;
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<a name="l37"></a> </span><span class=cF6>"Float Sum\t:%.9f Time:%7.3fs\n"</span><span class=cF0>, f_sum, </span><span class=cF5>tS</span><span class=cF0> - t0;
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<a name="l38"></a> </span><span class=cF6>'\n'</span><span class=cF0>;
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<a name="l39"></a>}
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<a name="l40"></a>
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<a name="l41"></a></span><span class=cF1>U0</span><span class=cF0> DoIt2()
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<a name="l42"></a>{
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<a name="l43"></a> </span><span class=cF9>I64</span><span class=cF0> i = </span><span class=cFE>0x123456789ABCDEF0</span><span class=cF0>;
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<a name="l44"></a> </span><span class=cF6>"i\t\t=%X\n"</span><span class=cF0>, i;
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<a name="l45"></a>
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<a name="l46"></a> </span><span class=cF6>"i&0xFFFFFFFF\t=%X\n"</span><span class=cF0>, i & </span><span class=cFE>0xFFFFFFFF</span><span class=cF0>;
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<a name="l47"></a> </span><span class=cF6>"i>>32\t\t=%X\n"</span><span class=cF0>, i >> </span><span class=cFE>32</span><span class=cF0>;
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<a name="l48"></a>
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<a name="l49"></a></span><span class=cF2>/*</span><span class=cF0> </span><span class=cF2>Standard int types are declared</span><span class=cF0>
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<a name="l50"></a></span><span class=cF2>with a special compiler feature which</span><span class=cF0>
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<a name="l51"></a></span><span class=cF2>allows a structure to be accessed as a</span><span class=cF0>
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<a name="l52"></a></span><span class=cF2>whole. That's why the i variable can</span><span class=cF0>
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<a name="l53"></a></span><span class=cF2>be accessed normally in addition to</span><span class=cF0>
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<a name="l54"></a></span><span class=cF2>structure member access </span><a href="https://tomawezome.github.io/ZealOS/Kernel/KernelA.HH.html#l103"><span class=cF4>I64</span></a><span class=cF2>. The actual</span><span class=cF0>
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<a name="l55"></a></span><span class=cF2>intrinsic compiler type is U64i.</span><span class=cF0>
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<a name="l56"></a>
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<a name="l57"></a></span><span class=cF2>public U64i union I64</span><span class=cF0>
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<a name="l58"></a></span><span class=cF2>{</span><span class=cF0>
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<a name="l59"></a> </span><span class=cF2>I8i i8[8];</span><span class=cF0>
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<a name="l60"></a> </span><span class=cF2>U8i u8[8];</span><span class=cF0>
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<a name="l61"></a> </span><span class=cF2>I16 i16[4];</span><span class=cF0>
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<a name="l62"></a> </span><span class=cF2>U16 u16[4];</span><span class=cF0>
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<a name="l63"></a> </span><span class=cF2>I32 i32[2];</span><span class=cF0>
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<a name="l64"></a> </span><span class=cF2>U32 u32[2];</span><span class=cF0>
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<a name="l65"></a></span><span class=cF2>};</span><span class=cF0>
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<a name="l66"></a>
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<a name="l67"></a></span><span class=cF2>It's not quite as great as it seems</span><span class=cF0>
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<a name="l68"></a></span><span class=cF2>because the compiler decides it cannot</span><span class=cF0>
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<a name="l69"></a></span><span class=cF2>place i into a reg, so there is a</span><span class=cF0>
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<a name="l70"></a></span><span class=cF2>penalty.</span><span class=cF0>
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<a name="l71"></a>
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<a name="l72"></a></span><span class=cF2>For a complete list of nonstandard compiler</span><span class=cF0>
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<a name="l73"></a></span><span class=cF2>features, see </span><a href="https://tomawezome.github.io/ZealOS/Doc/CosmiC.DD.html#l1"><span class=cF4>::/Doc/CosmiC.DD</span></a><span class=cF2>.</span><span class=cF0>
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<a name="l74"></a></span><span class=cF2>*/</span><span class=cF0>
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<a name="l75"></a>
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<a name="l76"></a> </span><span class=cF6>"i.u32[0]\t=%X\n"</span><span class=cF0>, i.u32[</span><span class=cFE>0</span><span class=cF0>];
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<a name="l77"></a> </span><span class=cF6>"i.u32[1]\t=%X\n"</span><span class=cF0>, i.u32[</span><span class=cFE>1</span><span class=cF0>];
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<a name="l78"></a>}
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<a name="l79"></a>
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<a name="l80"></a></span><span class=cF5>CPURep</span><span class=cF0>;
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<a name="l81"></a>Main;
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<a name="l82"></a>DoIt2;
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<a name="l83"></a>
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<a name="l84"></a></span><span class=cF2>//See </span><a href="https://tomawezome.github.io/ZealOS/Demo/Lectures/FixedPointAdvanced.CC.html#l1"><span class=cF4>::/Demo/Lectures/FixedPointAdvanced.CC</span></a><span class=cF0>
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<a name="l85"></a>
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<a name="l86"></a></span><span class=cF2>/*Program Output</span><span class=cF1>
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<a name="l87"></a>
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<a name="l88"></a>16 Cores 3.500GHz
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<a name="l89"></a>Int Sum :2000000199.768690240 Time: 0.803s
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<a name="l90"></a>Float Sum :2000000225.656127040 Time: 3.615s
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<a name="l91"></a>
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<a name="l92"></a>i =123456789ABCDEF0
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<a name="l93"></a>i&0xFFFFFFFF =9ABCDEF0
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<a name="l94"></a>i>>32 =12345678
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<a name="l95"></a>i.u32[0] =9ABCDEF0
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<a name="l96"></a>i.u32[1] =12345678
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<a name="l97"></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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