锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#24555;&#25773;&#20122;&#27954;&#33394;&#22270;&#44;&#22269;&#20135;&#31934;&#21697;&#27704;&#20037;&#20813;&#36153;&#35270;&#39057;&#44;&#20122;&#27954;&#21320;&#22812;&#24615;&#21050;&#28608;&#24433;&#38498;</title><link>http://www.shnenglu.com/Winux32/archive/2006/12/05/16025.html</link><dc:creator>Charles</dc:creator><author>Charles</author><pubDate>Tue, 05 Dec 2006 11:41:00 GMT</pubDate><guid>http://www.shnenglu.com/Winux32/archive/2006/12/05/16025.html</guid><wfw:comment>http://www.shnenglu.com/Winux32/comments/16025.html</wfw:comment><comments>http://www.shnenglu.com/Winux32/archive/2006/12/05/16025.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.shnenglu.com/Winux32/comments/commentRss/16025.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/Winux32/services/trackbacks/16025.html</trackback:ping><description><![CDATA[
		<font face="Verdana" color="#0000ff" size="2">涓嬬彮鍚庯紝鑺變簡鐐規(guī)椂闂磋浜嗕竴涓婾NIX緙栫▼鑹烘湳鐨勭涓�绔狅紝UNIX鍝插銆傛劅瑙夐潪甯稿ソ錛屽搧鍛沖ぇ甯堢殑鏁欒錛屾湁閱嶉啇鐏岄《涔嬫劅錛?br />鍊煎緱鐮旇<br /><a class="" title="UNIX鍝插" href="/Files/Winux32/UNIX緙栫▼鑹烘湳涔婾NIX鍝插.rar" target="">UNIX鍝插</a></font>
		<br />
		<br />
		<font face="Verdana" color="#0000ff" size="2">浠婂ぉ涓嬪崍(嬈℃棩)錛屽湪china-pub涓婃壘鍒頒簡榪欐湰涔︾殑絎簩绔犲厤璇葷増錛屽啀嬈℃嫓璇誨ぇ甯堝法钁椼�?br />Those who cannot remember the past are condemned to repeat it.<br /><a class="" title="鍘嗗彶" href="/Files/Winux32/UNIX緙栫▼鑹烘湳涔嬪巻鍙?rar" target="_blank"><font color="#ff0000">鍘嗗彶</font></a></font>
<img src ="http://www.shnenglu.com/Winux32/aggbug/16025.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/Winux32/" target="_blank">Charles</a> 2006-12-05 19:41 <a href="http://www.shnenglu.com/Winux32/archive/2006/12/05/16025.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>璐村浘閲婁箟鍐呭瓨</title><link>http://www.shnenglu.com/Winux32/archive/2006/11/29/15771.html</link><dc:creator>Charles</dc:creator><author>Charles</author><pubDate>Wed, 29 Nov 2006 03:19:00 GMT</pubDate><guid>http://www.shnenglu.com/Winux32/archive/2006/11/29/15771.html</guid><wfw:comment>http://www.shnenglu.com/Winux32/comments/15771.html</wfw:comment><comments>http://www.shnenglu.com/Winux32/archive/2006/11/29/15771.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/Winux32/comments/commentRss/15771.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/Winux32/services/trackbacks/15771.html</trackback:ping><description><![CDATA[
		<p>
				<font face="Verdana" color="#0000ff" size="2">鏄ㄥ効涓浜嗐�奧rite Greate Code銆媀olume1: Understanding the Machine<br />鎯抽�氫簡寰堜箙鍥版儜鐨勯棶棰橈紝鍙楃泭鍖祬錛岃創(chuàng)鍥句互鍏變韓<br /><br />1. 綰︾堪.鍐?璇轟紛鏇間綋緋葷粨鏋?Von Neumann Architecture錛孷NA)<br /><img height="271" alt="VNA.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/VNA.JPG" width="332" border="0" /><br />2.鍐呭瓨鐗╃悊緇勭粐<br />Read<br /><img height="198" alt="Read.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/Read.JPG" width="407" border="0" /><br />Write<br /><img height="198" alt="Write.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/Write.JPG" width="404" border="0" /><br />3.鍦板潃鎬葷嚎<br />8bit<br /><img height="214" alt="8bit.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/8bit.JPG" width="544" border="0" /><br />16bit<br />Say more here, there are a concept named <strong>bank </strong>which confused me when I read &lt;Intel Architecture Software Developer's Manual&gt;. The聽physical memory is organized into two banks, even and odd, in 16 bits data addr bus.<br />So, 16 bits x86 CPUs always put even addr on the addr bus, and if they access odd addr, the CPUs must op memory twice.聽<br /><img height="271" alt="16bit.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/16bit.JPG" width="368" border="0" /></font>
		</p>
		<p>
				<font face="Verdana">
						<font color="#0000ff" size="2">32bits<br />As with 16 bits, 32bits x86 CPUs always put 4X addr on聽their addr bus.聽<br /><img height="302" alt="32bit.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/32bit.JPG" width="480" border="0" /><br />4. Byte Genders<em><font face="Times New Roman" color="#000000" size="3"><br /></font></em>Little Endian</font>
				</font>
				<br />
				<img style="WIDTH: 768px; HEIGHT: 167px" height="167" alt="LittleEndian.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/LittleEndian.JPG" width="1000" border="0" />
				<br />
				<br />
				<font face="Verdana">
						<font color="#0000ff" size="2">Big Endian<br /></font>
						<img style="WIDTH: 770px; HEIGHT: 171px" height="171" alt="BigEndian.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/BigEndian.JPG" width="1000" border="0" />
						<br />
				</font>
		</p>
		<p>
				<font face="Verdana" color="#0000ff" size="2">5.聽System Clock</font>
		</p>
		<p>
				<font face="Verdana" color="#0000ff" size="2">
						<img height="160" alt="SysClock.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/SysClock.JPG" width="507" border="0" />
						<br />6.聽鍐呭瓨璁塊棶<br />鍐呭瓨璁塊棶鏃墮棿錛氫粠CPU璁插湴鍧�鏀懼埌鍦板潃鎬葷嚎涓婂紑濮嬪埌CPU浠庢暟鎹�葷嚎涓婂彇寰楁暟鎹箣闂寸殑鏃墮棿銆?br />x86 CPU錛屽叿鏈夊崟鍛ㄦ湡鍐呭瓨璁塊棶鏃墮棿<br /><img height="532" alt="X86MemAccessCycle.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/X86MemAccessCycle.JPG" width="635" border="0" /><br />絳夊緟鐘舵�佲�斺�?CPU)鍒窇閭ｄ箞蹇紝絳夌瓑鎴?IO)<br /><img height="343" alt="WaitState.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/WaitState.JPG" width="630" border="0" /></font>
		</p>
		<p>
				<font face="Verdana" color="#0000ff" size="2">Cache-寮曠敤鐨勬椂絀哄眬閮ㄧ壒鎬?temporal and spatial locality of reference)<br /><img height="289" alt="Cache.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/Cache.JPG" width="558" border="0" /><br /><br /><br />7.聽鍐呭瓨瀵誨潃妯″紡<br />鐩存帴(direct), 闂存帴(indirect),聽鍙樺潃(indexed),聽姣斾緥鍙樺潃(scaled indexed)<br /><br />8.聽鍐呭瓨灞傛緇撴瀯(hierarchy)<br />璇翠竴涓婲UMA錛岄潪涓�鑷村唴瀛樿闂?Non-Uniform Memory Access)錛孨UMA鏈潵鏄涓嶅悓綾誨瀷鐨勫唴瀛樻湁鐫�涓嶅悓鐨勮闂椂闂達紝姝ゅ鐢ㄦ潵鎻忚堪涓�浜涚數(shù)姘斾笂涓庝富瀛樼被浼鹼紝浣嗙敱浜庡叾閫熷害姣斾富瀛樹綆寰堝鐨勫唴瀛樸�備竴濡傦紝鏄懼瓨錛岄棯瀛樸�?br /><img height="360" alt="MemHierarchy.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Arch/MemHierarchy.JPG" width="451" border="0" /><br />So...,聽that's all for today :p<br />聽</font>
		</p>
<img src ="http://www.shnenglu.com/Winux32/aggbug/15771.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/Winux32/" target="_blank">Charles</a> 2006-11-29 11:19 <a href="http://www.shnenglu.com/Winux32/archive/2006/11/29/15771.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>璇匯�愯綆楁満鍥懼艦瀛﹀璁恒�?/title><link>http://www.shnenglu.com/Winux32/archive/2006/11/16/15257.html</link><dc:creator>Charles</dc:creator><author>Charles</author><pubDate>Thu, 16 Nov 2006 12:00:00 GMT</pubDate><guid>http://www.shnenglu.com/Winux32/archive/2006/11/16/15257.html</guid><wfw:comment>http://www.shnenglu.com/Winux32/comments/15257.html</wfw:comment><comments>http://www.shnenglu.com/Winux32/archive/2006/11/16/15257.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/Winux32/comments/commentRss/15257.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/Winux32/services/trackbacks/15257.html</trackback:ping><description><![CDATA[
		<font face="Verdana" color="#0000ff" size="2">鏄ㄥぉ鍦ㄧ綉涓婇�涚殑鏃跺�欏彂鐜頒簡涓�鏈笉閿欑殑涔?銆愯綆楁満鍥懼艦瀛︾殑綆楁硶鍩虹銆戯紝璇諱簡絎竴绔犺綆楁満鍥懼艦瀛﹀璁猴紝鏀惰幏棰囧銆?br /><br /><a class="" title="ACM"  target="">緹庡浗璁＄畻鏈哄崗浼?/a>(Association of Computing Machinery, ACM), 鍥懼艦瀛︿笓涓氬鍛樹細(Special Interest Group on Graphics)<br /><font color="#ff0000">鍥懼艦</font> 騫夸箟姒傚康錛屽嚒鏄彲浠ュ湪鍥懼艦璁懼涓婅緭鍑虹殑鐐廣�佺嚎鍜屾枃鏈瓑鐨勯泦鍚堥兘鍙互縐頒負鍥懼艦銆傜偣鏄浘褰㈢殑鍩烘湰緇勬垚鍏冪礌銆?br /><font color="#ff0000">紿楀彛(Window)鍜岃鍙?Viewport)</font> Window鏄敤紿楀彛杈圭晫瑁佸壀鏁版嵁騫惰幏寰楁墍闇�鐨勯儴鍒嗭紱Viewport鏄樉紺鴻澶囦笂鐢ㄤ簬鏄劇ず紿楀彛妗嗗畾鍐呭鐨勪竴涓尯鍩熴�?br /><img height="235" alt="WindowViewport.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/WindowViewport.JPG" width="647" border="0" /><br /><br /><font color="#ff0000">鍏夋爡(raster)鏄劇ず鍣?/font> 閫昏緫涓婂彲鐪嬩綔鍙彂鍏夌偣闃碉紝鍙湁鍦ㄦ按騫熾�佸瀭鐩存垨45搴︾殑鎯呭喌涓嬫墠鑳界敤鍍忕礌鐐圭敾鍑轟竴鏉♀�滅洿鈥濈嚎<br /><img height="235" alt="line.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/line.JPG" width="518" border="0" /><br /><font color="#ff0000">浣嶅鉤闈?bit plane)</font> 姣忎釜鍍忕礌涓�浣嶅瓨鍌ㄥ閲忕殑甯х紦鍐插尯(frame buffer)<br /><img height="207" alt="bitplane1.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/bitplane1.JPG" width="535" border="0" /><br /><br />浣嶅鉤闈㈢殑浜х敓鏄綋騫村唴瀛樿祫婧愭湁闄愯仾鏄庣殑Hareware Vender鎯沖嚭鏉ョ殑宸ф嫑錛?浜嗚В鍘嗗彶鎵嶅彲鑳芥洿濂界殑鎶婃彙鐜板湪)錛屽鍔犱綅騫抽潰鏁板彲浠ヨ〃紺轟笉鍚岀殑褰╄壊鎴栫伆搴︾駭銆傛妸鍚勪釜浣嶅鉤闈笌褰撳墠鍍忕礌瀵瑰簲鐨?/1鍊艱鍏ュ埌瀵勫瓨鍣ㄧ浉搴旂殑浣嶏紝鏈�鍚庡緱鍒扮殑浜岃繘鍒舵暟灝辨槸鍍忕礌鍦?(榛?鍒?<sup>n </sup>- 1(鏈�澶у己搴?涔嬮棿鐨勫厜寮虹瓑綰с�傛渶鍚庣敱鏁版ā杞崲涓烘ā鎷熺數(shù)鍘嬨�?br /><img height="348" alt="bitplane2.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/bitplane2.JPG" width="567" border="0" /><br /><br />榪涗竴姝ョ殑鏂規(guī)硶錛屼嬌鐢ㄨ皟鑹叉澘銆備粠瀵勫瓨鍣ㄤ腑璇誨嚭鏉ョ殑鍊間綔涓洪鑹茶〃鐨勭儲寮曘�傞鑹茶〃蹇呴』鏈?<sup>n</sup>琛ㄩ」錛屾瘡涓�欏逛負W浣嶅錛學(xué)涓�鑸瘮N澶с�傝繖鏍峰厜寮虹瓑綰у彲浠ユ湁2<sup>w</sup>涓紝浣嗕竴嬈″彧鑳藉悓鏃朵嬌鐢?<sup>n</sup>涓〃欏癸紝濡傛灉瑕佷嬌鐢ㄥ叾浠栧厜寮虹瓑綰э紝灝卞繀欏婚噸瑁呴鑹茶〃銆?br /><img height="365" alt="bitplane3.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/bitplane3.JPG" width="570" border="0" /><br />鍐嶈繘涓�姝ワ紝褰╄壊甯х紦鍐插尯銆備笁鍘熻壊錛岀孩緇胯摑RGB銆備笁涓綅闈㈠垎鍒搴斾竴縐嶅師鑹詫紝涓変釜鍘熻壊鐢?shù)瀛愭灙銆?br /><img height="286" alt="bitplane4.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/bitplane4.JPG" width="570" border="0" /><br />鏇磋繘涓�姝ワ紝姣忔敮鐢?shù)瀛愭灙鋴社敤鏇村浣嶒q抽潰銆?br /><img height="451" alt="bitplane5.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/bitplane5.JPG" width="570" border="0" /><br />緇勫悎<br /><img height="672" alt="bitplane6.JPG" src="http://www.shnenglu.com/images/cppblog_com/winux32/Graph/bitplane6.JPG" width="541" border="0" /><br />浣嶅鉤闈㈠氨姝ゆ墦浣忥紝涓嬩竴璇濋銆?br /><br />鍥炲ご鍐嶈ˉ鍏呭惂錛岃繕鏈夊緢澶氾紝浠婂ぉ鏃墮棿涓嶅浜? 寰呯畫...<br /><br /></font>
<img src ="http://www.shnenglu.com/Winux32/aggbug/15257.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/Winux32/" target="_blank">Charles</a> 2006-11-16 20:00 <a href="http://www.shnenglu.com/Winux32/archive/2006/11/16/15257.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                    <footer>
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