Cache容量计算例题: 假定主存地址位数为32位,按字节编址,主存和cache之间采用4-路组相联映射方式,主存块大小为4个字,每字32位,采用直写(Write Throght)方式和LRU替换策略,则能存放32K字数据的cache的总容量至少应有( )位. 得分/总分 A. 4672K B. 1168K C. 1184K D. 4736K 正确答案:C 解析: C.cache共有32K字/4字=8K行,因为采用4-路组相联,因而共有8K/4=2K组,组号占11位:每个主存块为4字=4×32位
#include <iostream> using namespace std; int getSum(string str, int begin, int len) { int sum = 0; while (begin < len) { sum += str.at(begin++) - '0'; } return sum; } void findSubStr(string str) { int strlen = str.length(); int sublen = strlen; w
As you know, the game of "Nim" is played with n piles of stones, where the i-th pile initially contains ai stones. Two players alternate the turns. During a turn a player picks any non-empty pile and removes any positive number of stones from it
Cow Contest 题目链接: http://acm.hust.edu.cn/vjudge/contest/122685#problem/H Description N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better than others. Each cow has a certa
这篇文章属于典型的剥洋葱文,由表及里,逐步引入新的知识点,挖掘最本质的原因.这篇文的逻辑是先假设再证明,按照这个思路去阅读会比较轻松. Maya里的GPU Cache导入的几何体为什么不能编辑顶点?这可以算是一个高频问题了,这个问题可以转换为:GPU Cache导入的几何体为什么不能编辑Mesh(不仅不能编辑顶点,为它添加bevel一类的节点也不可以)?实际上这个问题在Maya的帮助文档中是有明确答案的. 我们来看看官方是如何解释的: GPU caches are Alembic-based f
题目来源 The 2018 ACM-ICPC China JiangSu Provincial Programming Contest 35.4% 1000ms 65536K Persona5 Persona5 is a famous video game. In the game, you are going to build relationship with your friends. You have N friends and each friends have his upper b
E. XOR and Favorite Number time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Bob has a favorite number k and ai of length n. Now he asks you to answer m queries. Each query is given by a pai