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应用MMX和SSE优化的内存复制
对于一般情况,VC自带的memcpy效率一般。但在处理大块内存和大内存运算上,效率就不高了。实际上CPU的扩展指令集MMX、SSE及后期64位和128位指令可以简单改善内存操作。不过也有一些限制,由于要考虑CPU指令序列前后,否则优化效果不明显。这是一个使用MMX/SSE的简单优化例子。
- 2022-06-30 20:03:01下载
- 积分:1
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导出到Excel
Export To Excel
{*** *** *** *** *** *** *** *** *****}
{ TExcel Component 3.3 for Delphi 1.0 .. 3.0 }
{ }
{ Copyright (c) 1996 ... 1998 Tibor F. Liska }
{ Tel/Fax: +36-1-165-2019 }
{ Office: +36-1-209-5284 }
{ E-mail: liska@sztaki.hu }
{*****************************************************}
{ }
{ TExcel is provided free of charge as so long as }
{ it is not in commercial use. When it produces }
{ income for you, please send me some portion of }
{ your income (at least $50). Thank you. }
{ }
{*****************************************************}-Export To Excel
{*****************************************************}
{ TExcel Component 3.3 for Delphi 1.0 .. 3.0 }
{ }
{ Copyright (c) 1996 ... 1998 Tibor F. Liska }
{ Tel/Fax: +36-1-165-2019 }
{ Office: +36-1-209-5284 }
{ E-mail: liska@sztaki.hu
- 2023-02-24 23:05:04下载
- 积分:1
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This package contains a collection of geometry filters
This package contains a collection of geometry filters-- programs that
are for manipulating polgonal representations for 3D graphical objects.
This source code is undergoing revision, and I expect that a new
version of the code, together with many more filters, will be
available shortly.
- 2022-01-25 18:10:58下载
- 积分:1
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实现棋盘覆盖功能,用C++编程,实现在一个棋盘上输入相应特殊棋盘的位置,就可以完成整个棋盘的覆盖工作....
实现棋盘覆盖功能,用C++编程,实现在一个棋盘上输入相应特殊棋盘的位置,就可以完成整个棋盘的覆盖工作.-chessboard achieve functional coverage, and C++ programming, in a chessboard of the corresponding input to the special board position we can complete the whole chessboard of the coverage.
- 2022-08-20 07:01:12下载
- 积分:1
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计算机常用算法,主要介绍算法及其基本设计方法,包括算法分析等...
计算机常用算法,主要介绍算法及其基本设计方法,包括算法分析等-Commonly used computer algorithms are introduced and the basic design of algorithms, including algorithm analysis
- 2022-07-24 05:28:40下载
- 积分:1
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利用串口实现的终端显示程序(vc原码,已调试通过硬件)
利用串口实现的终端显示程序(vc原码,已调试通过硬件)-use of the terminal display program (vc original code, debugging hardware)
- 2023-01-20 11:10:04下载
- 积分:1
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文件索引...由c++编程实现...运行即可
文件索引...由c++编程实现...运行即可-file index
- 2022-03-05 19:52:48下载
- 积分:1
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matlab 代码
对图像去噪使用统计筛选器的代码。请尽你所能描述您的项目中的详细信息。更好的内容将会为您获得更多积分)
- 2022-07-22 09:37:30下载
- 积分:1
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成绩管理程序,C语言开发,有一定实用价值!
成绩管理程序,C语言开发,有一定实用价值!-performance management procedures, C-language development, which is of practical value!
- 2022-07-05 12:07:38下载
- 积分:1
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此示例演示如何使用CList <;>;模板。该示例创建一个分类。
This sample shows how to use the CList template. The sample creates a class called CPlayer, and instantiates a few objects.
- 2022-08-14 07:58:58下载
- 积分:1