我使用 NVIDIA GeForce 1650 Ti，它只有 <~= 4G GPU 内存用于深度学习应用程序。但是，我注意到其他应用程序正在大量使用它。
有没有办法强制这些其他应用程序使用其他 GPU？建议这样做吗？
$ nvidia-smi
Tue Dec 29 17:21:16 2020
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 455.38 Driver Version: 455.38 CUDA Version: 11.1 |
|-------------------------------+----------------------+----------------------+
| 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 GeForce GTX 165... Off | 00000000:01:00.0 Off | N/A |
| N/A 59C P8 3W / N/A | 1092MiB / 3911MiB | 4% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 981 G /usr/lib/xorg/Xorg 133MiB |
| 0 N/A N/A 1735 G /usr/lib/xorg/Xorg 637MiB |
| 0 N/A N/A 1906 G /usr/bin/gnome-shell 116MiB |
| 0 N/A N/A 2264 G ...gAAAAAAAAA --shared-files 169MiB |
| 0 N/A N/A 3148 G /usr/lib/firefox/firefox 1MiB |
| 0 N/A N/A 7685 G /usr/lib/firefox/firefox 1MiB |
| 0 N/A N/A 11044 G ...AAAAAAAA== --shared-files 8MiB |
| 0 N/A N/A 25167 G /usr/lib/firefox/firefox 1MiB |
| 0 N/A N/A 25343 G /usr/lib/firefox/firefox 1MiB |
| 0 N/A N/A 25434 G /usr/lib/firefox/firefox 1MiB |
+-----------------------------------------------------------------------------+
我有：
$ lsb_release -a
LSB Version: core-11.1.0ubuntu2-noarch:security-11.1.0ubuntu2-noarch
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
和
$ lspci
00:00.0 Host bridge: Intel Corporation 10th Gen Core Processor Host Bridge/DRAM Registers (rev 02)
00:01.0 PCI bridge: Intel Corporation 6th-9th Gen Core Processor PCIe Controller (x16) (rev 02)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
00:12.0 Signal processing controller: Intel Corporation Comet Lake PCH Thermal Controller
00:14.0 USB controller: Intel Corporation Comet Lake USB 3.1 xHCI Host Controller
00:14.2 RAM memory: Intel Corporation Comet Lake PCH Shared SRAM
00:14.3 Network controller: Intel Corporation Comet Lake PCH CNVi WiFi
00:16.0 Communication controller: Intel Corporation Comet Lake HECI Controller
00:1c.0 PCI bridge: Intel Corporation Device 06b8 (rev f0)
00:1c.7 PCI bridge: Intel Corporation Device 06bf (rev f0)
00:1d.0 PCI bridge: Intel Corporation Comet Lake PCI Express Root Port #9 (rev f0)
00:1f.0 ISA bridge: Intel Corporation Device 068e
00:1f.3 Multimedia audio controller: Intel Corporation Comet Lake PCH cAVS
00:1f.4 SMBus: Intel Corporation Comet Lake PCH SMBus Controller
00:1f.5 Serial bus controller [0c80]: Intel Corporation Comet Lake PCH SPI Controller
01:00.0 VGA compatible controller: NVIDIA Corporation TU117M [GeForce GTX 1650 Ti Mobile] (rev a1)
01:00.1 Audio device: NVIDIA Corporation Device 10fa (rev a1)
04:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
05:00.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
05:01.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
05:02.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
05:04.0 PCI bridge: Intel Corporation JHL7540 Thunderbolt 3 Bridge [Titan Ridge 4C 2018] (rev 06)
06:00.0 System peripheral: Intel Corporation JHL7540 Thunderbolt 3 NHI [Titan Ridge 4C 2018] (rev 06)
2c:00.0 USB controller: Intel Corporation JHL7540 Thunderbolt 3 USB Controller [Titan Ridge 4C 2018] (rev 06)
54:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
55:00.0 Non-Volatile memory controller: SK hynix Device 1639
和
$ sudo lshw -C video
*-display
description: VGA compatible controller
product: TU117M [GeForce GTX 1650 Ti Mobile]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:179 memory:ad000000-adffffff memory:80000000-8fffffff memory:90000000-91ffffff ioport:3000(size=128) memory:ae080000-ae0fffff
*-display
description: VGA compatible controller
product: UHD Graphics
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
logical name: /dev/fb0
version: 05
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=i915 latency=0 mode=3840x2160 visual=truecolor xres=3840 yres=2160
resources: iomemory:600-5ff iomemory:400-3ff irq:177 memory:6040000000-6040ffffff memory:4000000000-400fffffff ioport:4000(size=64) memory:c0000-dffff
和
$ sudo lshw -C display
*-display
description: VGA compatible controller
product: TU117M [GeForce GTX 1650 Ti Mobile]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a1
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vga_controller bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:179 memory:ad000000-adffffff memory:80000000-8fffffff memory:90000000-91ffffff ioport:3000(size=128) memory:ae080000-ae0fffff
*-display
description: VGA compatible controller
product: UHD Graphics
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
logical name: /dev/fb0
version: 05
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=i915 latency=0 mode=3840x2160 visual=truecolor xres=3840 yres=2160
resources: iomemory:600-5ff iomemory:400-3ff irq:177 memory:6040000000-6040ffffff memory:4000000000-400fffffff ioport:4000(size=64) memory:c0000-dffff
和
$ lspci | grep ' VGA ' | cut -d" " -f 1 | xargs -i lspci -v -s {}
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 22c0
Flags: bus master, fast devsel, latency 0, IRQ 177
Memory at 6040000000 (64-bit, non-prefetchable) [size=16M]
Memory at 4000000000 (64-bit, prefetchable) [size=256M]
I/O ports at 4000 [size=64]
Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
01:00.0 VGA compatible controller: NVIDIA Corporation TU117M [GeForce GTX 1650 Ti Mobile] (rev a1) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 22c0
Flags: bus master, fast devsel, latency 0, IRQ 179
Memory at ad000000 (32-bit, non-prefetchable) [size=16M]
Memory at 80000000 (64-bit, prefetchable) [size=256M]
Memory at 90000000 (64-bit, prefetchable) [size=32M]
I/O ports at 3000 [size=128]
Expansion ROM at ae080000 [virtual] [disabled] [size=512K]
Capabilities: <access denied>
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia