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System and Device Programming------lab5(paging and swapping)
CR0:hasacontrolflagPG,If1,enablepagingandusetheCR3register,elsedisablepagingCR2:storetheaddresstheprogramattemptedtoaccess.CR3:usedtostoretheaddressofthetop-levelstructure,enabletheprocessortotranslatelinearaddressintophysicaladdressesbylocatingthepagedirec..
分类:移动开发   时间:2016-04-28 12:36:48    阅读次数:349
CDH集群频繁告警(host频繁swapping)
最近CDH集群频繁告警,原因是某些host频繁swapping,极大影响了集群的性能。 后来发现有个设置(/proc/sys/vm/swappiness)需要修改,默认值60 Setting the vm.swappiness Linux Kernel Parameter vm.swappiness ...
分类:移动开发   时间:2016-04-11 20:51:15    阅读次数:817
Ultra-QuickSort
Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping ...
分类:其他好文   时间:2016-03-30 19:46:44    阅读次数:220
UVa 12100 Printer Queue (习题 5-7)
The only printer in the computer science students’ union is experiencing an extremely heavy workload. Sometimes there are a hundred jobs in the printe ...
分类:其他好文   时间:2016-03-30 00:09:15    阅读次数:241
UVA Mapping the Swaps
题目例如以下: Sorting an array can be done by swapping certain pairs of adjacent entriesin the array. This is the fundamental technique used in the well-kno
分类:移动开发   时间:2016-03-15 13:33:55    阅读次数:172
poj 1797 Heavy Transportation
Heavy Transportation Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 26968 Accepted: 7232 Description Background Hugo Heavy is happy. After
分类:其他好文   时间:2016-03-10 18:41:48    阅读次数:163
Matrix Swapping II(求矩阵最大面积,dp)
Matrix Swapping II Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1543 Accepted Submission(s):
分类:移动开发   时间:2016-02-21 17:15:56    阅读次数:190
POJ 1797 Heavy Transportation
( ̄▽ ̄)" 第一种解题方法:dij变形 //无向图最短路,dij的变形(有点像prim) //题意:从起点1到终点n,找出一条路,该条路的最小负重是最大的 #include #include #include #include #include #include #include #include...
分类:其他好文   时间:2016-02-18 01:20:11    阅读次数:517
POJ1797(dijkstra)
Heavy TransportationTime Limit:3000MSMemory Limit:30000KTotal Submissions:26442Accepted:7044DescriptionBackgroundHugo Heavy is happy. After the breakd...
分类:其他好文   时间:2016-01-21 00:29:16    阅读次数:259
Page in/Page out/Page fault
Paging refers to writing portions, termed pages, of a process' memory to disk.Swapping, strictly speaking, refers to writing the entire process, not j...
分类:其他好文   时间:2015-12-25 15:07:11    阅读次数:194
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