作者查詢 / Bearcome
作者 Bearcome 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共281則
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1F推: 就2跟-7的二補數12/12 19:59
4F推:都沒錯 沒HIT是因為被上一個0933換掉了12/11 21:07
1F推:回傳的不是Lock的舊值(temp)嗎?12/10 14:08
2F推:會改lock啊 但回傳test and set為false啊12/10 15:18
3F推:While測的是test and set這個函式是1 or 0不是測lock喔12/10 15:28
4F推:Test and set好像要保證不能被中斷 理應不會卡在T2才對12/10 16:16
10F推:我是覺得不會耶 不然他那個atomic execute就變得毫無意義12/11 01:17
11F推:他應該是有個機制是讓T&S做完 其他process才能繼續執行12/11 01:26
12F→:只是沒有顯示在程式上 我猜的啦12/11 01:26
1F推:2^7/2^5=4 frame就是實體的page12/09 02:10
2F推:第二題是10吧?12/04 17:46
3F推:第一題意思就是求A^T相對於1的特徵向量12/04 18:48
4F推:算P的反矩陣在轉置看中間那行 答案就出來了12/04 18:53
5F推:At=(PDP^-1)t=(P^-1)t D Pt12/04 18:56
9F推:是X(k)*X(k-1)12/04 21:18
10F→: +12/04 21:18
1F推:解答是用18下來併 但我記得Btree刪除不是先找左右嗎?12/03 17:47
6F→:所以答案是 4 7 8 13嗎? 確定一下12/02 23:21
6F推:相似TRACE一樣12/02 18:39
1F推:排序吧 磁碟演算法沒有optimal的11/30 21:34
12F推:最後一個(42)服務完就可以回頭了12/01 22:07
2F推:感覺解答錯 當初看到這題也看不懂11/29 23:09
6F推:不知道是不是有衝突的狀態下 那個address就不做11/29 23:29