Donanım: 2 780Ti kartları, Yazılım: Ubuntu 14.01 LTS NVIDIA UNIX x86_64 Çekirdek Modül 352,79 Çar 13 Ocak 16:17:53 PST 2016 GCC sürümü: gcc sürüm 4.8.4 (Ubuntu 4.8.4-2ubuntu1 ~ 14.04.1) CUDA 7,5cuda deviceQuery döner 1 yerine 2
nvidia-smi Şekil
+------------------------------------------------------+
| NVIDIA-SMI 352.79 Driver Version: 352.79 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 780 Ti Off | 0000:01:00.0 N/A | N/A |
| 30% 43C P2 N/A/N/A | 877MiB/3071MiB | N/A Default |
+-------------------------------+----------------------+----------------------+
| 1 GeForce GTX 780 Ti Off | 0000:03:00.0 N/A | N/A |
| 29% 25C P8 N/A/N/A | 11MiB/3071MiB | N/A Default |
+-------------------------------+----------------------+----------------------+
deviceQuery
CUDA Device Query (Runtime API) version (CUDART static linking)
Detected 1 CUDA Capable device(s)
Device 0: "GeForce GTX 780 Ti"
CUDA Driver Version/Runtime Version 7.5/7.5
CUDA Capability Major/Minor version number: 3.5
Total amount of global memory: 3072 MBytes (3221028864 bytes)
(15) Multiprocessors, (192) CUDA Cores/MP: 2880 CUDA Cores
GPU Max Clock rate: 1084 MHz (1.08 GHz)
Memory Clock rate: 3500 Mhz
Memory Bus Width: 384-bit
L2 Cache Size: 1572864 bytes
Maximum Texture Dimension Size (x,y,z) 1D=(65536), 2D=(65536, 65536), 3D=(4096, 4096, 4096)
Maximum Layered 1D Texture Size, (num) layers 1D=(16384), 2048 layers
Maximum Layered 2D Texture Size, (num) layers 2D=(16384, 16384), 2048 layers
Total amount of constant memory: 65536 bytes
Total amount of shared memory per block: 49152 bytes
Total number of registers available per block: 65536
Warp size: 32
Maximum number of threads per multiprocessor: 2048
Maximum number of threads per block: 1024
Max dimension size of a thread block (x,y,z): (1024, 1024, 64)
Max dimension size of a grid size (x,y,z): (2147483647, 65535, 65535)
Maximum memory pitch: 2147483647 bytes
Texture alignment: 512 bytes
Concurrent copy and kernel execution: Yes with 1 copy engine(s)
Run time limit on kernels: No
Integrated GPU sharing Host Memory: No
Support host page-locked memory mapping: Yes
Alignment requirement for Surfaces: Yes
Device has ECC support: Disabled
Device supports Unified Addressing (UVA): Yes
Device PCI Domain ID/Bus ID/location ID: 0/3/0
Compute Mode:
< Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) >
deviceQuery, CUDA Driver = CUDART, CUDA Driver Version = 7.5, CUDA Runtime Version = 7.5, NumDevs = 1, Device0 = GeForce GTX 780 Ti
Result = PASS
göstermektedir/Dev nvidia dosyaları için
izni şunlardır:
crw-rw-rw- 1 root root 195, 0 Apr 3 21:18 nvidia0
crw-rw-rw- 1 root root 195, 1 Apr 3 21:18 nvidia1
crw-rw-rw- 1 root root 195, 255 Apr 3 21:18 nvidiactl
crw-rw-rw- 1 root root 244, 0 Apr 3 21:24 nvidia-uvm
Neden deviceQuery sadece 1 gpu gösterir?
İkinci kartı nvidia sürücülerinden sonra mı yüklediniz? P8/P2 durumunu merak ediyorum. Eğer bu sürücü iki kartı yönetmiyorsa. Yeni sürücünün yüklenmesi yardımcı olabilir. –
Bu soru [SO] için tamamen konu dışı ve ben kapatmak için oy kullandım – talonmies