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C++对象模型——解构语意学(第五章)
5.4    对象的效率 (Object Efficiency)         在以下的效率测试中,对象构造和拷贝所需要的成本是以Point3d class声明为基准,从简单形式逐渐到复杂形式,包括Plain Ol' Data,抽象数据类型(ADT),单一继承,多重继承,虚拟继承,以下函数是测试的主角: Point3d lots_of_copies(Point3d a, Point3d b)...
分类:编程语言   时间:2015-08-14 22:47:33    阅读次数:232
POJ 1252 Euro Efficiency
背包 要么 BFS意大利是说给你几个基本的货币,组成 1~100 所有货币,使用基本上的货币量以最小的。出口 用法概率。和最大使用量。能够BFS 有可能 。只是记得数组开大点。 可能会出现 100 = 99+99 -98 的情况。背包是先做一个全然背包,求得最少可能由多少相加。然后做一个 01背包,...
分类:其他好文   时间:2015-08-14 18:36:26    阅读次数:153
一致性算法探寻(扩展版)13
11 Conclusion Algorithms are often designed with correctness, efficiency, and/or conciseness as the primary goals. Although?these are all worthy goals, we believe that understandability is just a...
分类:编程语言   时间:2015-08-12 01:30:05    阅读次数:416
C++对象模型对象成员的效率 (Object Mem ber Efficiency)(第三章) .
3.5 对象成员的效率 (Object Mem ber Efficiency)  下面某个测试,目的在测试聚合(aggregation).封装(encapsulation),以及继承(Inheritance)所引发的额外负荷的程度.所有测试都是以个别局部变量的加法,减法,赋值(assign)等操作的存取成本为依据.下面就是个别的局部变量: float pA_x = 1.725, pA_y = ...
分类:编程语言   时间:2015-08-06 22:24:45    阅读次数:160
Essential controls for web app
AUTO-COMPLETE/AUTO-SUGGESTAuto-complete using VaadinOffer auto-suggest or auto-complete to help your users increase efficiency and reduce errors. You ...
分类:移动开发   时间:2015-06-23 07:35:34    阅读次数:561
How To Use TKPROF To Trace And Analyze Sql Explan
The SQL Trace facility and TKPROF let you accurately assess the efficiency of the SQL statements an application runs. For best results, use these tools withEXPLAIN PLAN rather than using EXPLAIN PLAN ...
分类:数据库   时间:2015-06-17 11:38:24    阅读次数:184
On Imitation monkey the assignment is usually to carry a variety of major model low cost diesel-engined wristwatches
This wristwatches are made to glimpse very much like the genuine wristwatches in order to retain each of the efficiency. On Imitation monkey the assig...
分类:其他好文   时间:2015-06-16 16:40:21    阅读次数:148
CUDA ---- Memory Model
Memorykernel性能高低是不能单纯的从warp的执行上来解释的。比如之前博文涉及到的,将block的维度设置为warp大小的一半会导致load efficiency降低,这个问题无法用warp的调度或者并行性来解释。根本原因是获取global memory的方式很差劲。众所周知,memory...
分类:其他好文   时间:2015-06-09 23:34:48    阅读次数:529
POJ1337---A Lazy Worker(dp)
Description There is a worker who may lack the motivation to perform at his peak level of efficiency because he is lazy. He wants to minimize the amount of work he does (he is Lazy, but he is subject...
分类:其他好文   时间:2015-06-02 09:23:59    阅读次数:115
C#中HttpWebRequest的GetRequestStream执行的效率太低,甚至偶尔死掉
原文链接:http://www.crifan.com/csharp_httpwebrequest_getrequeststream_dead_hang_low_efficiency/【已解决】C#中HttpWebRequest的GetRequestStream执行的效率太低,甚至偶尔死掉【问题】C#...
分类:Windows程序   时间:2015-05-30 18:16:12    阅读次数:253
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