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涓柗鏅傞枔 + DMA鍌宠几鏅傞枔 銆€銆€閫氶亷閭忚集鍒嗘瀽鍎€鏌ョ湅纭欢娉㈠舰鍦栧彲浠ヨ▓绠楀嚭鍏�(n猫i)鏍告ā寮忎笅涓柗瑙哥櫦(f膩)DMA鍌宠几閫熺巼鐐�105.4MByte/s銆傛墍浠ユ暩(sh霉)鎿�(j霉)鎸佺簩(x霉)鍌宠几閫熺巼鍙仈(d谩)105MByte/s?锛熸ⅱ閽ュ惞鍓戭儽琚涘洍鎲�?y墨ng)鏅傞枔涔熷奖闊挎暩(sh霉)鎿�(j霉)鍌宠几?sh霉)娣栫奖K閫熷害銆� 銆€銆€鐢辩鍥涚珷DMA閮ㄥ垎瑷庤珫鍙煡锛岀敤鎴舵ā寮忎笅娓緱鐨凞MA鍌宠几鏈熼枔鏈€蹇€熷害鐐�95MB/s銆傚収(n猫i)鏍告ā寮忎笅DMA閫熷害鏈€蹇偤114MB/s銆傝€屾渶鍒濈殑DMA鍌宠几閫熷害鐐�68MB/s銆傚緸鏈€鍒濆埌鐝�(xi脿n)鍦�锛孌MA鍌宠几鏈熼枔鍌宠几閫熷害鎻愰珮浜�46MB/s銆� 绲�(ji茅)鏉熻獮 銆€銆€鍦ㄧ従(xi脿n)浠ｄ俊铏熻檿鐞嗘妧琛�(sh霉)涓紝閫氶亷PCI绺界窔閫�(j矛n)琛屽揩閫熸暩(sh霉)鎿�(j霉)鍌宠几鏄(sh铆)鐝�(xi脿n)涓绘(j墨)鑸囧瑷�(sh猫)闁撻€氫俊鐨勪富瑕佹柟寮�銆備綔鑰呭湪瀵�(sh铆)椹楀鍒╃敤PCI9054鎺ュ彛鑺墖瑷�(sh猫)瑷堜簡涓€鍊嬪付鏈�12閫氶亾鐨勯珮閫熶俊铏熼噰闆嗗櫒銆傚皪褰遍熆鏁�(sh霉)鎿�(j霉)鍌宠几閫熺巼鐨勫悇鍊嬬挵(hu谩n)绡€(ji茅)閫愪竴鑰冩叜锛屾彁鍑轰簡涓€鏁村鏁�(sh霉)鎿�(j霉)鍌宠几鏂规銆傚皣鏁�(sh霉)鎿�(j霉)鎸佺簩(x霉)鍌宠几閫熺巼鎻愰珮鍒�100MByte/s浠ヤ笂銆傛帴杩慞CI绺界窔鐨勬サ闄愰€熺巼銆� 銆€銆€鏈枃鐨勫壍(chu脿ng)鏂伴粸(di菐n)鏄細灏嶅眬閮ㄧ附绶氱媭鎱�(t脿i)姗�(j墨)鐙€鎱�(t脿i)杞�(zhu菐n)鎻涢€�(j矛n)琛屼簡鐮旂┒銆傚眬閮ㄧ附绶氱媭鎱�(t脿i)姗�(j墨)閲囩敤鏀归€�(j矛n)鐨勭媭鎱�(t脿i)杞�(zhu菐n)鎻涢倧杓�锛屽皣DMA鏁�(sh霉)鎿�(j霉)鍌宠几鏁堢巼鎻愰珮浜嗙磩20MByte/s銆� 鍙冭€冩枃鐛�(xi脿n)锛� 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