[Seek Help] 为什么独显性能不如集显
Tofloor
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jjcui8595
Moderator
2021-12-03 03:58
Author

我的笔记本是 Intel HD4000+NVIDIA GT740M双显卡,在星火商店安装双显卡快速切换插件,可以正常切换使用独显或集显。但运行Geeks3D GpuTest测试,独显的FPS值竟然比集显还要低几帧。请问会是什么原因?还需要怎样设置?

NVIDIA-SMI 470.63.01 Driver Version: 470.63.01 CUDA Version: 11.4

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jjcui8595
Moderator
2021-12-03 04:05
#1

截图_nvidia-settings_20211202195957.jpg
截图_deepin-terminal_20211202195928.jpg

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jianghuchuan
deepin
2021-12-03 06:53
#2

独显驱动安装好了,但是配置没弄好,没有应用跑在独显上

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jjcui8595
Moderator
2021-12-03 07:06
#3
jianghuchuan

独显驱动安装好了,但是配置没弄好,没有应用跑在独显上

怎么配置啊

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灵兮之
deepin
2021-12-03 17:08
#4
jianghuchuan

独显驱动安装好了,但是配置没弄好,没有应用跑在独显上

能单独配置独显?有操作教程?

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jjcui8595
Moderator
2021-12-03 17:31
#5

使用nvidia时显示off正常吗

aaa.jpg

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jianghuchuan
deepin
2021-12-03 17:53
#6
灵兮之

能单独配置独显?有操作教程?

图片.png

这个是正常的,多百度一下,我也是百度啥的

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jjcui8595
Moderator
2021-12-03 18:11
#7
jianghuchuan

图片.png

这个是正常的,多百度一下,我也是百度啥的

谢谢

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灵兮之
deepin
2021-12-03 20:25
#8
jianghuchuan

图片.png

这个是正常的,多百度一下,我也是百度啥的

你的是怎么让最下面能显示进程的,我这一直就是No running processes found

驱动也安装了,任务栏的那个切换插件也装了,nvidia-setting也装了,都还是没有找到进程

image.png

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jjcui8595
Moderator
2021-12-03 21:35
#9

参考这个https://bbs.chinauos.com/zh/post/5525

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jjcui8595
Moderator
2021-12-04 04:25
#10

没测出性能差距可能跟测试软件有关。https://webglsamples.org/aquarium/aquarium.html测试,从5000条鱼开始独显、集显的FPS拉开差距。

                            Nvidia                                  Intel

5000 57 26

10000 50 15

20000 31 8

25000 25 6

30000 21 5

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jianghuchuan
deepin
2021-12-04 17:18
#11
灵兮之

你的是怎么让最下面能显示进程的,我这一直就是No running processes found

驱动也安装了,任务栏的那个切换插件也装了,nvidia-setting也装了,都还是没有找到进程

image.png

我之前找的,就在论坛里 你多搜一下,很久了忘记了

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灵兮之
deepin
2021-12-04 18:34
#12
jianghuchuan

我之前找的,就在论坛里 你多搜一下,很久了忘记了

那个贴有看过,安装都一样,还是没法显示进程

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jianghuchuan
deepin
2021-12-05 07:28
#13
灵兮之

那个贴有看过,安装都一样,还是没法显示进程

不应该啊,我就是照着帖子弄的

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灵兮之
deepin
2021-12-05 19:46
#14
jianghuchuan

不应该啊,我就是照着帖子弄的

我也觉得很奇怪,smi跟setting两个界面都能出来,就是底下一直显示no那些

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神末shenmo
Moderator
Spark-App
2021-12-07 19:18
#15
灵兮之

你的是怎么让最下面能显示进程的,我这一直就是No running processes found

驱动也安装了,任务栏的那个切换插件也装了,nvidia-setting也装了,都还是没有找到进程

image.png

要切换到Nvidia才可以

Tue Dec  7 11:17:32 2021   
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 470.63.01    Driver Version: 470.63.01    CUDA Version: N/A      |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:01:00.0 Off |                  N/A |
| N/A   51C    P5    13W /  N/A |    427MiB /  5946MiB |     14%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                           
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      4695      G   /usr/lib/xorg/Xorg                133MiB |
|    0   N/A  N/A      5238      G   kwin_x11                           46MiB |
|    0   N/A  N/A      6059      G   /usr/bin/dmanHelper                 7MiB |
|    0   N/A  N/A      7152      G   ...pps/firefox-spark/firefox      196MiB |
|    0   N/A  N/A      9463      G   deepin-mail                        26MiB |
|    0   N/A  N/A     11672      G   ...in/deepin-deepinid-client        3MiB |
|    0   N/A  N/A     24468      G   ...firefox-spark/firefox-bin        2MiB |
|    0   N/A  N/A     30096      G   ...firefox-spark/firefox-bin        2MiB |
|    0   N/A  N/A     32469      G   ...firefox-spark/firefox-bin        2MiB |
+-----------------------------------------------------------------------------+

图片.png

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灵兮之
deepin
2021-12-07 20:14
#16
神末shenmo

要切换到Nvidia才可以

Tue Dec  7 11:17:32 2021   
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 470.63.01    Driver Version: 470.63.01    CUDA Version: N/A      |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:01:00.0 Off |                  N/A |
| N/A   51C    P5    13W /  N/A |    427MiB /  5946MiB |     14%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
                                                                           
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      4695      G   /usr/lib/xorg/Xorg                133MiB |
|    0   N/A  N/A      5238      G   kwin_x11                           46MiB |
|    0   N/A  N/A      6059      G   /usr/bin/dmanHelper                 7MiB |
|    0   N/A  N/A      7152      G   ...pps/firefox-spark/firefox      196MiB |
|    0   N/A  N/A      9463      G   deepin-mail                        26MiB |
|    0   N/A  N/A     11672      G   ...in/deepin-deepinid-client        3MiB |
|    0   N/A  N/A     24468      G   ...firefox-spark/firefox-bin        2MiB |
|    0   N/A  N/A     30096      G   ...firefox-spark/firefox-bin        2MiB |
|    0   N/A  N/A     32469      G   ...firefox-spark/firefox-bin        2MiB |
+-----------------------------------------------------------------------------+

图片.png

有,这个已经切换过,独显,集显都测试过,都是no....

独显那个显卡设置软件能打开,有显示内容,温度;集显就不会显示内容跟温度

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enforcee
deepin
2021-12-10 05:16
#17

楼主用这个环境变量执行程序试试

__GLX_VENDOR_LIBRARY_NAME=nvidia

执行时用nvidia-smi看看有没有进程显示

可以看看

glxinfo | grep vendor

__GLX_VENDOR_LIBRARY_NAME=nvidia glxinfo | grep vendor

输出的差别

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jjcui8595
Moderator
2021-12-10 06:35
#18
enforcee

楼主用这个环境变量执行程序试试

__GLX_VENDOR_LIBRARY_NAME=nvidia

执行时用nvidia-smi看看有没有进程显示

可以看看

glxinfo | grep vendor

__GLX_VENDOR_LIBRARY_NAME=nvidia glxinfo | grep vendor

输出的差别

谢谢,我试试

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