古いサーバ (Intel Westmere)

かなり古めのサーバですが、余った GPU (GeForce GTX 1080 Ti) を追加してみました。

CPU : Intel(R) Xeon(R) CPU X5690 @ 3.47GHz x 2個
メモリ：192GB
GPU : NVIDIA GeForce GTX 1080 Ti x 2枚
OS : CentOS 8 Stream

$ nvidia-smi
Wed Oct 13 08:47:25 2021
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 470.57.02 Driver Version: 470.57.02 CUDA Version: 11.4 |
|-------------------------------+----------------------+----------------------+
| 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 | 00000000:03:00.0 Off | N/A |
| 15% 31C P0 52W / 250W | 0MiB / 11178MiB | 0% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
| 1 NVIDIA GeForce ... Off | 00000000:84:00.0 Off | N/A |
|225% 35C P0 51W / 250W | 0MiB / 11178MiB | 2% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+

# ./bandwidthTest --device=all
[CUDA Bandwidth Test] - Starting...

!!!!!Cumulative Bandwidth to be computed from all the devices !!!!!!

Running on...

Device 0: NVIDIA GeForce GTX 1080 Ti
Device 1: NVIDIA GeForce GTX 1080 Ti
Quick Mode

Host to Device Bandwidth, 2 Device(s)
PINNED Memory Transfers
Transfer Size (Bytes) Bandwidth(GB/s)
32000000 11.4

Device to Host Bandwidth, 2 Device(s)
PINNED Memory Transfers
Transfer Size (Bytes) Bandwidth(GB/s)
32000000 13.4

Device to Device Bandwidth, 2 Device(s)
PINNED Memory Transfers
Transfer Size (Bytes) Bandwidth(GB/s)
32000000 703.1

Result = PASS