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向软件大牛炫耀我会焊单片机,向硬件大牛炫耀我会写 Rails,向软硬件大牛炫耀我生物,向软硬件生物大牛炫耀我会折腾期货 -_-bbb

Virtual Box 1.5.0 - 实用的“无缝窗口”
查询每天Gentoo更新的软件包

不错的处理器 - Q6600

galeki posted @ 2007年9月12日 23:28 in Linux with tags Q6600 linux 四核 , 7500 阅读

先前考虑装新电脑的时候,cpu方面一直在AMD Athlon X2这个系列之间犹豫,后来看到Intel的四核Q6000降价到2100,没有抑制住情绪就买了,买后就想,是不是太激进了些,但是经过这两天的试用,觉得这个选择是很正确的~

Linux内核对多线程方面支持的相当好,并且最近对多核处理器也有了专门的选项,如果要想让Linux发挥出多核处理器的优势,要在内核中正确配置。

处理器类型里面已经有了Core 2 的选项:

Processor family (Core 2/newer Xeon)  --->
                    ...
                    ( ) Pentium M                                           
                    (X) Core 2/newer Xeon
                    ( ) Pentium-4/Celeron(P4-based)/Pentium-4 M/older Xeon
                    ...

另外打开SMP的支持:

[*] Symmetric multi-processing support

新增加的多核调度器能够更好的发挥多核cpu的性能:

[*] Multi-core scheduler support

这样就可以了,编译重启,top中可以看到4个cpu,cat /proc/cpuinfo 也可以看到四个cpu的信息。 

多核在Gentoo下颇能显出优势,即使同时编译两三个软件,上网浏览等桌面程序也不会感到一丝拖慢,运行虚拟机对主系统也没有速度上的影响~

一下从P4时代跨到了四核时代,感觉不是一般的爽,然而,好戏还在后头……

最新的Q6600已经改成了G0步进,修正bug与降低功耗的同时,也带来了更加良好的超频能力~原装风扇,可以轻松将 2.4G 的 Q6600 超至 3G,带来25%的效能提升。

据网上的评论,只要是稍好的风冷系统,就可以让Q6600达到3.6G,我还是保守一点,稳定性第一吧

两个小时,解决openoffice的编译,而且是在开着VirtualBox虚拟机,和一边上网听歌的情况下,并且 MAKEOPTS 是默认的 j2。

编译openoffice时的cpu占用情况:

 以后不再惧怕大软件的编译了~

 你也可以参考这个测试,对比一下和双核间windows下的效能差异。

如果你最近要装机,Q6600确实是个不错的选择。

Avatar_small
shawpinlee 说:
2007年9月16日 04:11

米真多,羡慕ing...

Avatar_small
galeki 说:
2007年9月16日 10:47

现在快没米吃饭了……

Yue Wang 说:
2009年1月12日 00:51

Gentoo当中编译软件可以用多核的么?
比如我编译一个KDE,怎样输入命令或者编写配置文件能够让它同时编译多个包?
这个在BSD下貌似是不可行的,因为软件本身有依赖的问题。

Avatar_small
galeki 说:
2009年1月12日 03:26

可以的,portage 有一个 --jobs 参数,可以指定最大同时编译任务的数量,portage 会自动配置依赖关系。

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