日韩欧美国产极速不卡一区,国产手机视频在线观看尤物,国产亚洲欧美日韩蜜芽一区,亚洲精品国产免费,亚洲二区三区无码中文,A大片亚洲AV无码一区二区三区,日韩国语国产无码123

鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺

I/O绯荤当(t菕ng)
闁辫畝锛�12889鏅�(sh铆)闁擄細2011-06-07 10:29:19

銆�銆�I/O绯荤当(t菕ng)鍗宠几鍏ヨ几鍑虹郴绲�(t菕ng)锛�鎿嶄綔绯荤当(t菕ng)涓矤(f霉)璨�(z茅)绠＄悊杓稿叆杓稿嚭瑷�(sh猫)鍌欑殑閮ㄥ垎绋辩偤I/O绯荤当(t菕ng)锛屽畬鎴愯ō(sh猫)鍌欑鐞嗗姛鑳姐�侷/O绯荤当(t菕ng)鐨勭祫鎴愭湁锛欼/O瑷�(sh猫)鍌�锛岃ō(sh猫)鍌�鎺у埗鍣�鍙奍/O鎿嶄綔鏈夐棞(gu膩n)鐨勮粺纭欢銆�

鍔熻兘

銆�銆�I/O绯荤当(t菕ng)鐨勪富瑕佸姛鑳芥槸灏嶆寚瀹氬瑷�(sh猫)閫�(j矛n)琛孖/O鎿嶄綔锛屽悓鏅�(sh铆)瀹屾垚瑷卞鍏朵粬鐨勬帶鍒�銆傚寘鎷瑷�(sh猫)绶ㄥ潃锛屾暩(sh霉)鎿�(j霉)閫氳矾鐨勫缓绔�锛屽悜涓绘(j墨)鎻愪緵澶栬ō(sh猫)鐨勭媭鎱�(t脿i)淇℃伅绛�銆�

瑷�(sh猫)鍌欏垎椤�

銆�銆�1 瀵�(sh铆)鐢ㄧ壒鎬э細

銆�銆�瀛樺劜瑷�(sh猫)鍌欙細纾佺洡銆佺甯�

銆�銆�I/O瑷�(sh猫)鍌欙細绌垮瓟鍗＄墖銆侀嵉鐩�銆侀紶妯�(bi膩o)銆侀’绀哄櫒銆佹墦鍗版(j墨)

銆�銆�绲傜瑷�(sh猫)鍌欙細浜や簰瑷�(sh猫)鍌�

銆�銆�2 淇℃伅绲勭箶鏂瑰紡锛�

銆�銆�1 瀛楃瑷�(sh猫)鍌欙細瀛楃鐐哄柈浣嶇祫绻斿拰铏曠悊淇℃伅鐨勮ō(sh猫)鍌�锛屽閸电洡銆佺祩绔�銆佹墦鍗版(j墨)

銆�銆�2 濉婅ō(sh猫)鍌欙細瀛楃濉婄偤鍠綅绲勭箶鍜岃檿鐞嗕俊鎭殑瑷�(sh猫)鍌�锛屽纾佺洡銆佺甯� 濉婅ō(sh猫)鍌�

銆�銆�瑷�(sh猫)鍌欎竴娆℃搷浣滅殑鏁�(sh霉)鎿�(j霉)鍌抽�佸柈浣�

銆�銆�閫氬父杓稿叆杓稿嚭椤炶ō(sh猫)鍌欓兘鏄瓧绗﹁ō(sh猫)鍌�

銆�銆�瀛樺劜瑷�(sh猫)鍌欓兘鏄瑷�(sh猫)鍌�

銆�銆�3 鎸夌収瑷�(sh猫)鍌欎娇鐢ㄥ彲鍏变韩鎬у垎椤烇細

銆�銆�鐛�(d煤)鍗犺ō(sh猫)鍌欙細鎸囧湪涓�娈垫檪(sh铆)闁撳収(n猫i)鍙厑瑷变竴鍊�(g猫)鐢ㄦ埗閫�(j矛n)绋嬩娇鐢ㄧ殑瑷�(sh猫)鍌�銆傚鏁�(sh霉)浣庨�熻ō(sh猫)鍌欓兘灞簬鐛�(d煤)鍗犺ō(sh猫)鍌�锛屽鎵撳嵃姗�(j墨)

銆�銆�鍏变韩瑷�(sh猫)鍌欙細鍦ㄤ竴娈垫檪(sh铆)闁撳収(n猫i)鍏佽ū澶氬��(g猫)閫�(j矛n)绋嬩娇鐢ㄧ殑瑷�(sh猫)鍌�銆傚纾佺洡锛岃嫢骞插��(g猫)閫�(j矛n)绋嬪彲浠ヤ氦鏇垮緸纾佺洡涓婅畝瀵俊鎭�

銆�銆�铏涙摤瑷�(sh猫)鍌欙細閫氶亷铏涙摤鎶�琛�(sh霉)灏囦竴鑷虹崹(d煤)鍗犺ō(sh猫)鍌欒畩鎻涙垚鐐鸿嫢骞查倧杓ō(sh猫)鍌�锛屼緵鑻ュ共鍊�(g猫)閫�(j矛n)绋嬪悓鏅�(sh铆)浣跨敤

鎺у埗鏂瑰紡

銆�銆�(1)绋嬪簭鐩存帴鎺у埗鏂瑰紡:鍦ㄩ�欑ó鏂瑰紡涓嬫帶鍒惰�呮槸鐢ㄦ埗閫�(j矛n)绋�锛岀暥(d膩ng)鐢ㄦ埗閫�(j矛n)绋嬮渶瑕佽几鍏ユ垨杓稿嚭鏁�(sh霉)鎿�(j霉)鏅�(sh铆)锛屽畠閫氶亷CPU鐧�(f膩)鍑哄暉鍕曡ō(sh猫)鍌欑殑鎸囦护锛岀劧鍚庯紝鐢ㄦ埗閫�(j矛n)绋嬮��(j矛n)鍏ユ脯瑭︾瓑寰呯媭鎱�(t脿i)銆�

銆�銆�(2)绋嬪簭涓柗I/O鎺у埗鏂瑰紡:鍍呯暥(d膩ng)I/O鎿嶄綔姝ｅ父鎴栫暟甯哥祼(ji茅)鏉熸檪(sh铆)鎵嶄腑鏂蜂腑澶檿鐞嗘(j墨)锛屽緸鑰屽(sh铆)鐝�(xi脿n)浜嗕竴瀹氱▼搴︾殑骞惰鎿嶄綔.

銆�銆�(3)DMA鎺у埗鏂瑰紡:鍦ㄥ鍦嶈ō(sh猫)鍌欏拰鍏�(n猫i)瀛樹箣闁撻枊杈熺洿鎺ョ殑鏁�(sh霉)鎿�(j霉)浜ゆ彌閫氳矾銆�

銆�銆�(4)I/O閫氶亾鎺у埗鏂瑰紡:浠ュ収(n猫i)瀛樼偤涓績锛屽(sh铆)鐝�(xi脿n)瑷�(sh猫)鍌欏拰鍏�(n猫i)瀛樼洿鎺ヤ氦鎻涙暩(sh霉)鎿�(j霉)鐨勬帶鍒舵柟寮忋�傛暩(sh霉)鎿�(j霉)鐨勫偝閫佹柟鍚�銆佸瓨鏀炬暩(sh霉)鎿�(j霉)鐨勫収(n猫i)瀛樺鍧�浠ュ強鍌抽�佺殑鏁�(sh霉)鎿�(j霉)濉婇暦搴︾瓑閮界敱閫氶亾渚嗛��(j矛n)琛屾帶鍒�銆�

缍韩闆诲瓙閫氾紝闆诲瓙鐭ヨ瓨锛屼竴鏌ョ櫨閫�锛�

宸叉敹閷勮姊�160556鍊�(g猫)