作者查詢 / ssccg
作者 ssccg 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共186則
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1F→:1 bit offset in block,block address = 0100003/18 13:48
2F→:16 words → 8 blocks → 4 set,所以index為2 bit03/18 13:48
4F→:5 bit address減掉index 2 bit,所以3 bit tag03/18 13:49
1F→:後面應該是 -( <u2, v1>/<v1, v1> )v103/18 13:10
3F→:後面減掉的是把原向量投影在已正交化的向量上03/18 13:25
4F→:當然u1=v1所以沒差,但是v3是 -( <u3, v2>/<v2, v2> )v2才對03/18 13:33
3F→:page table本來就不存page number,page number是做index03/18 11:15
4F→:台科大那題我覺得是解答錯了吧03/18 11:16
5F→:至於TLB因為不會包含所有page,所以page number是作為tag03/18 11:18
6F→:清大那題我覺得解答也錯了,TLB一般是full-associative所以03/18 11:19
7F→:tag是所有page number bit,但這題是direct-mapped03/18 11:20
8F→:應該再把page bit拿5個作為TLB index,剩下的才是tag bit03/18 11:22
9F推:我覺得弄清楚為什麼table要存哪些東西,查table時是用什麼03/18 11:37
10F→:作index去查,不要只記公式會比較好03/18 11:38
3F→:(Fn+1*Fn-1)-(Fn)^2 = (Fn-1)^2-(Fn*Fn-2)03/17 19:30
5F→:所以令An = (Fn+1*Fn-1)-(Fn)^2,An = -An-1,A1 = -103/17 19:31
13F→:交大這次是級分,選哪科影響不大吧03/17 13:44
2F→:beq s2 s3 loop F * * D X M W03/17 16:26
3F→:addi s1 s3 2 * * F //題目說branch taken03/17 16:28
4F→:add s1 s2 s3 F D X M W03/17 16:29
5F→:beq第一個stall跟or一樣是在等lw,第二次是等or的EX03/17 16:30
6F→:上面addi那兩個*應該不用,還沒進pipeline03/17 16:34
8F→:從EX/MEM forward到ID,beq ID還是要在or EX的後一個cycle吧03/17 17:50
10F推:beq在ID決定所以要X→D03/17 17:53
1F→:x^tAx < 0 和 x^tAx ≦ 0 for all x吧03/17 00:07
2F→:不是有一小題是畫ready queue的變化,看ready queue就很清楚03/16 23:56
3F→:時間2換P2,Q = P1,時間3 P3進來Q = P1P3,所以P1先出03/16 23:57
1F→:(a) C(3n+2,2) - 3C(n,1) (b)求1/(1-x^2)(1-x)^2中x^n的係數03/16 23:18
3F→:相當於a+b+c=3n,0≦a、b、c≦2n,用排容03/17 05:02
5F→:應該是 C(3n+2,2) - 3C(n+1,2) 才對03/18 11:32