摘要: Wikipedia: http://en.wikipedia.org/wiki/64-bit In computer architecture, 64-bit integers, memory addresses, or other data units are those that are at most 64 bits (8 octets) wide. Also, 64-bit CPU a... 阅读全文
posted @ 2008-05-31 18:41 能巴 阅读(309) 评论(0) 推荐(0) 编辑
摘要: x87 is a math-related instruction subset of the Intel x86 family line of processors. It is so called because initially such instructions were processed by an external coprocessor chip with a name endi... 阅读全文
posted @ 2008-05-31 17:24 能巴 阅读(461) 评论(0) 推荐(0) 编辑
摘要: [转载自: http://www.it.com.cn/f/diy/058/24/162683.htm] 什么是CPU指令集? CPU作为一台电脑中的核心,它的作用是无法替代的。而CPU本身只是在块硅晶片上所集成的超大规模的集成电路,集成的晶体管数量可达到上亿个,是由非常先进复杂的制造工艺制造出来的,拥有相当高的科技含量。然而如此一颗精密的芯片为什么能够控制一个庞大而复杂的电脑系统呢?这就是C... 阅读全文
posted @ 2008-05-31 17:14 能巴 阅读(932) 评论(0) 推荐(0) 编辑
摘要: 下面是性能表格: Scenario VB2005 Time (ms) VB2008 Time (ms) VB2008 is x times faster than VB2005 (2005 time/ 2008 time) VB2008 takes... 阅读全文
posted @ 2008-05-31 16:59 能巴 阅读(329) 评论(0) 推荐(0) 编辑