史上最最最靠谱的ubantu 18.04 显卡超频教程;以及核显输出图像,独显用于计算教程;附带无显示器超频教程 |
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经过了一番折腾,查阅了csdn上无数教程,很多都不靠谱,或者说只能满足其中的一部分。这篇博客总结了我这几天折腾出来的结果,可以完美的实现显卡超频(不管有没有图形化界面都可以),或者集成显卡输出图像,独显用于计算,这样就可以节约几百m的显存。我的配置是显卡是RTX3080,cpu是10400 简单的显卡超频仅仅考虑显卡超频,不考虑核显输出图像,是一件非常简单的事情。在这里以图形化的界面,注意,此时显示器应该接在显卡的接口上,不然会卡在登陆界面进不去,具体操作如下: 首先打开终端,输入以下命令: sudo nvidia-xconfig然后就会在/etc/X11/文件夹中,生成一个xorg.conf文件,这个文件夹使用配置图形化界面的。然后输入: sudo vim /etc/X11/xorg.conf在文件中下滑到最后,找到 Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection在其中添加Option "Coolbits" "28",其中2代表显卡风扇转速调整,8代表显卡超频 结果如下: Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 Option "Coolbits" "28" SubSection "Display" Depth 24 EndSubSection EndSection最后通过reboot命令重启一下即可,重启后,在终端输入命令nvidia-settings既可打开nvidia-x-serve,如下图所示,其中Graphics Clock Offset是核显超频,通过修改偏移量offset来超频,右边的是显存超频 如上教程所描述,显卡超频的时候会生成xorg.conf文件,这个时候会自动选择显卡输出图形化界面,如果此时显示器插在集成显卡上,就会卡在图形化界面进不去。这个时候去查解决办法,百分之九十九的回答都是使用sudo prime-select intel让你把图形化界面切换到集成显卡,但是这样做就会导致,显卡没法超频。这样就导致了一个很尴尬的情况。那该如何解决呢? 具体解决办法还是得在xorg.conf文件上进行操作,对其进行配置以实现我们所需要的。 首先与之前的方法一样,生成xorg.conf文件,然后通过vim打开。但是配置就与之前不一样了。由于nvidia-xconfig命令只会生成于独显有关的配置,我们首先需要添加intel的配置。 把一下内容复制到xorg.conf文件中: Section "Device" Identifier "Intel0" Driver "intel" BusId "PCI:0:2:0" EndSection然后把原来的 Section "Screen" Identifier "Screen0" Device "Device0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection改成 Section "Screen" Identifier "Screen0" Device "Intel0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection然后重新添加一个nvidia的Screen Section "Screen" Identifier "Screen1" Device "Device0" Option "Coolbits" "28" EndSection最后对Section layout修改, Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" Screen 1 "Screen1" InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" EndSection这样就完成了,完整的配置文件如下: # nvidia-xconfig: X configuration file generated by nvidia-xconfig # nvidia-xconfig: version 470.42.01 Section "ServerLayout" Identifier "Layout0" Screen 0 "Screen0" Screen 1 "Screen1" InputDevice "Keyboard0" "CoreKeyboard" InputDevice "Mouse0" "CorePointer" EndSection Section "Files" EndSection Section "Device" Identifier "Intel0" Driver "intel" BusId "PCI:0:2:0" EndSection Section "InputDevice" # generated from default Identifier "Mouse0" Driver "mouse" Option "Protocol" "auto" Option "Device" "/dev/psaux" Option "Emulate3Buttons" "no" Option "ZAxisMapping" "4 5" EndSection Section "InputDevice" # generated from default Identifier "Keyboard0" Driver "kbd" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Unknown" ModelName "Unknown" Option "DPMS" EndSection Section "Device" Identifier "Device0" Driver "nvidia" Option "Coolbits" "28" VendorName "NVIDIA Corporation" EndSection Section "Screen" Identifier "Screen0" Device "Intel0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 EndSubSection EndSection Section "Screen" Identifier "Screen1" Device "Device0" Option "Coolbits" "28" EndSection这样就可以做到核显输出图形化界面,独显用于计算!!!如果是多张显卡,只需要按照上述格式为其他几张显卡编辑Screen和Device,最后加入到layout 就行 |
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