如何在 Ubuntu 22.04 上安装 CUDA?
什么是 CUDA?
CUDA(Compute Unified Device Architecture)是由 NVIDIA 开发的并行计算平台。它提供了一个应用程序编程接口(API),使开发人员能够利用 NVIDIA 图形处理单元 (GPU)的强大处理能力进行通用计算。
CUDA 核心是 GPU 内部的专门处理单元,针对并行计算任务进行了优化。它们能够同时执行多个线程。
CUDA 有什么用?
凭借其并行计算功能和不断增长的 GPU 能力,CUDA 可用于机器学习和 AI 应用、涉及复杂计算的科学模拟、财务建模、网络安全、加密货币挖掘和其他计算密集型任务。
安装 CUDA
1.升级 Ubuntu
更新所有软件源的软件包列表:
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$ sudo apt update
sudo apt update
命令用于从软件源下载最新的软件包信息,并将其存储在本地软件包缓存中,便于后续的升级或安装。
升级已安装的软件包:
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$ sudo apt upgrade
运行
sudo apt upgrade
命令之前,首先运行sudo apt update
命令来更新软件包列表,避免在升级过程中出现问题。
2.查找驱动程序
安装 Ubuntu 的驱动程序通用包:
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$ sudo apt install ubuntu-drivers-common
获取推荐的英伟达驱动程序列表,将列出显卡型号等信息:
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$ ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias : pci:v000010DEd00002489sv00007377sd00002000bc03sc00i00
vendor : NVIDIA Corporation
model : GA104 [GeForce RTX 3060 Ti Lite Hash Rate]
driver : nvidia-driver-525-open - distro non-free
driver : nvidia-driver-535 - distro non-free recommended
driver : nvidia-driver-470 - distro non-free
driver : nvidia-driver-545 - distro non-free
driver : nvidia-driver-525 - distro non-free
driver : nvidia-driver-470-server - distro non-free
driver : nvidia-driver-535-server - distro non-free
driver : nvidia-driver-525-server - distro non-free
driver : nvidia-driver-535-open - distro non-free
driver : nvidia-driver-545-open - distro non-free
driver : nvidia-driver-535-server-open - distro non-free
driver : xserver-xorg-video-nouveau - distro free builtin
它推荐了 nvidia-driver-535 的驱动程序:
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driver : nvidia-driver-535 - distro non-free recommended
3.安装驱动
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$ sudo apt install nvidia-driver-535
4.重启操作系统
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$ sudo reboot now
5.验证驱动
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$ nvidia-smi
Wed Jan 31 17:31:38 2024
+---------------------------------------------------------------------------------------+
| NVIDIA-SMI 535.154.05 Driver Version: 535.154.05 CUDA Version: 12.2 |
|-----------------------------------------+----------------------+----------------------+
| 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 RTX 3060 Ti Off | 00000000:01:00.0 Off | N/A |
| 32% 41C P8 17W / 200W | 5642MiB / 8192MiB | 0% Default |
| | | N/A |
+-----------------------------------------+----------------------+----------------------+
+---------------------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=======================================================================================|
| 0 N/A N/A 1797 G /usr/lib/xorg/Xorg 88MiB |
| 0 N/A N/A 2002 G /usr/bin/gnome-shell 56MiB |
| 0 N/A N/A 23468 G ...irefox/1635/usr/lib/firefox/firefox 10MiB |
| 0 N/A N/A 83967 C /bin/ollama 5472MiB |
+---------------------------------------------------------------------------------------+
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