绗?/p>
1
绔?/p>
涔?/p>
棰?/p>
绛?/p>
妗?/p>
5
锛?/p>
鑻ユ湁涓や釜鍩哄噯娴嬭瘯绋嬪簭
P1
鍜?/p>
P2
鍦ㄦ満鍣?/p>
M1
鍜?/p>
M2
涓婅繍琛岋紝
鍋囧畾
M1
鍜?/p>
M2
鐨勪环鏍煎垎鍒槸
5000
鍏冨拰
8000
鍏冿紝涓嬭〃缁欏嚭浜?/p>
P1
鍜?/p>
P2
鍦?/p>
M1
鍜?/p>
M2
涓婃墍鑺辩殑鏃堕棿鍜屾寚浠ゆ潯鏁般�?/p>
绋嬪簭
M1
M2
鎸囦护鏉℃暟
鎵ц鏃堕棿
(ms)
鎸囦护鏉℃暟
鎵ц鏃堕棿
(ms)
P1
200
脳
10
6
10000
150
脳
10
6
5000
P2
300
脳
10
3
3
420
脳
10
3
6
璇峰洖绛斾笅鍒楅棶棰橈細
锛?/p>
1
锛?/p>
瀵逛簬
P1
锛屽摢鍙版満鍣ㄧ殑閫熷害蹇紵蹇灏戯紵瀵逛簬
P2
鍛紵
锛?/p>
2
锛?/p>
鍦?/p>
M1
涓婃墽琛?/p>
P1
鍜?/p>
P2
鐨勯�熷害鍒嗗埆鏄灏?/p>
MIPS
锛熷湪
M2
涓婄殑鎵ц閫熷害鍙堝悇鏄灏戯紵浠庢墽琛岄�熷害
鏉ョ湅锛屽浜?/p>
P2
锛屽摢鍙版満鍣ㄧ殑閫熷害蹇紵蹇灏戯紵
锛?/p>
3
锛?/p>
鍋囧畾
M1
鍜?/p>
M2
鐨勬椂閽熼鐜囧悇鏄?/p>
800MHz
鍜?/p>
1.2GHz
锛?/p>
鍒欏湪
M1
鍜?/p>
M2
涓婃墽琛?/p>
P1
鏃剁殑骞冲潎鏃堕挓鍛?
鏈熸暟
CPI
鍚勬槸澶氬皯锛?/p>
锛?/p>
4
锛?/p>
濡傛灉鏌愪釜鐢ㄦ埛闇�瑕佸ぇ閲忎娇鐢ㄧ▼搴?/p>
P1
锛?/p>
骞朵笖璇ョ敤鎴蜂富瑕佸叧蹇冪郴缁熺殑鍝嶅簲鏃堕棿鑰屼笉鏄悶鍚愮巼锛?/p>
閭ｄ箞锛?
璇ョ敤鎴烽渶瑕佸ぇ鎵硅喘杩涙満鍣ㄦ椂锛屽簲璇ラ�夋嫨
M1
杩樻槸
M2
锛熶负浠�涔堬紵锛堟彁绀猴細浠庢�т环姣斾笂鑰冭檻锛?/p>
锛?/p>
5
锛?/p>
濡傛灉鍙︿竴涓敤鎴蜂篃闇�瑕佽喘杩涘ぇ鎵规満鍣紝浣嗚鐢ㄦ埛浣跨敤
P1
鍜?/p>
P2
涓�鏍峰锛屼富瑕佸叧蹇冪殑涔熸槸鍝嶅簲鏃?
闂达紝閭ｄ箞锛屽簲璇ラ�夋嫨
M1
杩樻槸
M2
锛熶负浠�涔堬紵
鍙傝�冪瓟妗堬細
锛?/p>
1
锛?/p>
瀵逛簬
P1
锛?/p>
M2
姣?/p>
M1
蹇竴鍊嶏紱瀵逛簬
P2
锛?/p>
M1
姣?/p>
M2
蹇竴鍊嶃�?/p>
锛?/p>
2
锛?/p>
瀵逛簬
M1
锛?/p>
P1
鐨勯�熷害涓猴細
200M/10=20MIPS
锛?/p>
P2
涓?/p>
300k/0.003=100MIPS
銆?/p>
瀵逛簬
M2
锛?/p>
P1
鐨勯�熷害涓猴細
150M/5=30MIPS
锛?/p>
P2
涓?/p>
420k/0.006=70MIPS
銆?/p>
浠庢墽琛岄�熷害鏉ョ湅锛屽浜?/p>
P2
锛屽洜涓?/p>
100/70=1.43
鍊嶏紝鎵�浠?/p>
M1
姣?/p>
M2
蹇?/p>
0.43
鍊嶃�?/p>
锛?/p>
3
锛?/p>
鍦?/p>
M1
涓婃墽琛?/p>
P1
鏃剁殑骞冲潎鏃堕挓鍛ㄦ湡鏁?/p>
CPI
涓猴細
10脳
800M/(200脳
10
6
)=40
銆?/p>
鍦?/p>
M2
涓婃墽琛?/p>
P1
鏃剁殑骞冲潎鏃堕挓鍛ㄦ湡鏁?/p>
CPI
涓猴細
5脳
1.2G/(150脳
10
6
)=40
銆?/p>
锛?/p>
4
锛?/p>
鑰冭檻杩愯
P1
鏃?/p>
M1
鍜?/p>
M2
鐨勬�т环姣旓紝鍥犱负璇ョ敤鎴蜂富瑕佸叧蹇冪郴缁熺殑鍝嶅簲鏃堕棿锛屾墍浠ユ�т环姣斾腑鐨勬�?
鑳藉簲鑰冭檻鎵ц鏃堕棿锛屽叾鎬ц兘涓烘墽琛屾椂闂寸殑鍊掓暟銆傛晠鎬т环姣?/p>
R
涓猴細
R=1/(
鎵ц鏃堕棿
脳
浠锋牸
)
R
瓒婂ぇ璇存槑鎬т环姣旇秺楂橈紝涔熷嵆锛?/p>
鈥?/p>
鎵ц鏃堕棿
脳
浠锋牸
鈥?/p>
鐨勫�艰秺灏忥紝鍒欐�т环姣旇秺楂樸�?/p>
鍥犱负
10脳
5000 > 5脳
8000
锛屾墍浠ワ紝
M2
鐨勬�т环姣旈珮銆傚簲閫夋嫨
M2
銆?/p>
锛?/p>
5
锛?/p>
P1
鍜?/p>
P2
闇�瑕佸悓绛夎�冭檻锛屾�ц兘鏈夊绉嶆柟寮忥細鎵ц鏃堕棿鎬诲拰銆佺畻鏈钩鍧囥�佸嚑浣曞钩鍧囥�?/p>
鑻ョ敤绠楁湳骞冲潎鏂瑰紡锛屽垯锛氬洜涓?/p>
(10+0.003)/2脳
5000 > (5+0.006)/2脳
8000
锛屾墍浠?/p>
M2
鐨勬�т环姣旈珮锛屽簲
閫夋嫨
M2
銆?/p>
鑻ョ敤鍑犱綍骞冲潎鏂瑰紡锛?/p>
鍒欙細
鍥犱负
sqrt(10脳
0.003) 脳
5000 < sqrt(5脳
0.006) 脳
8000
锛?/p>
鎵�浠?/p>
M1
鐨勬�т环姣旈珮锛?/p>
搴旈�夋嫨
M1
銆?/p>
6
锛庤嫢鏈哄櫒
M1
鍜?/p>
M2
鍏锋湁鐩稿悓鐨勬寚浠ら泦锛屽叾鏃堕挓棰戠巼鍒嗗埆涓?/p>
1GHz
鍜?/p>
1.5GHz
銆傚湪鎸囦护闆嗕腑鏈変簲绉嶄笉鍚岀被
鍨嬬殑鎸囦护
A
~
E
銆備笅琛ㄧ粰鍑轰簡鍦?/p>
M1
鍜?/p>
M2
涓婃瘡绫绘寚浠ょ殑骞冲潎鏃堕挓鍛ㄦ湡鏁?/p>
CPI
銆?/p>
鏈哄櫒
A
B
C
D
E
M1
1
2
2
3
4