Feb 10th, 2007, 19:26 | #1 | |
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引用:
能在虚拟的系统里看视频么? |
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Feb 11th, 2007, 12:26 | #2 |
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Feb 11th, 2007, 19:55 | #3 |
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Feb 12th, 2007, 09:50 | #4 |
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I don't see any connection between OOP/OOD and multithreads, they are totally different concepts. OOP/OOD is the methodology to solve the problems of your domain. Multithreads is the technology to make your CPU more effective and efficient. |
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Feb 16th, 2007, 09:48 | #5 |
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别光扯淡,不是有那么多测试软件么? 测呗! 现在大部分软件都是多线程的,很多还是多进程的。我还真不知道要对多核或者多处理器作怎样的优化。你还能指定用哪个CPU/CORE?Windows是对称多处理,也就是所有处理器一个待遇,指定CPU/CORE好像做不到。 |
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Feb 16th, 2007, 10:47 | #6 |
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Feb 16th, 2007, 10:54 | #7 |
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另外task manager上看到的是process,我还真不知道要怎么察看thread. windows一启动,已经有几十个processes了,threads还不得上千个。谁能说说什么软件是single thread的? |
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Feb 16th, 2007, 10:58 | #8 |
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Feb 16th, 2007, 11:11 | #9 |
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大哥,搞得清楚process和thread的区别么? process是自己有独立的地址空间和其他资源,每个process运行在自己的地址空间里。当然进程间可以交互,但是比较麻烦。 一个Process可以有很多thread,thread之间是共享地址空间,它是一个进程中同时运行的代码单元,所以thread之间交互比较方便,因为地址空间是同一个。 多数OS都支持multi-process,但不是所有的都支持multi-thread。linux好像是近几年才支持multi-thread。 因为windows进程创建/调度比较差,所以很早就引进multi-thread,而unix/linux进程创建/调度效率比较高,所以一直没认为multi-thread有必要。当然后来还是加进去了。 |
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Feb 16th, 2007, 11:23 | #10 |
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Feb 16th, 2007, 11:48 | #11 |
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Feb 16th, 2007, 12:05 | #12 |
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Feb 16th, 2007, 12:10 | #13 |
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Feb 16th, 2007, 13:21 | #14 |
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中午去compusmart看了看,那没有home版,都是mediacenter,而且都是显示2个CPU。
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Feb 21st, 2007, 09:52 | #15 |
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