我有Jetson TX2,python 2.7,Tensorflow 1.5,CUDA 9.0
Tensorflow似乎正在运行,但是每次运行程序时,都会收到以下警告:
with tf.Session() as sess:
print (sess.run(y,feed_dict))
...
2018-08-07 18:07:53.200320: E
tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:881] could not open
file to read NUMA node: /sys/bus/pci/devices/0000:00:00.0/numa_node
Your kernel may have been built without NUMA support.
2018-08-07 18:07:53.200427: I
tensorflow/core/common_runtime/gpu/gpu_device.cc:1105] Found device 0 with properties:
name: NVIDIA Tegra X2 major: 6 minor: 2 memoryClockRate(GHz): 1.3005
pciBusID: 0000:00:00.0
totalMemory: 7.66GiB freeMemory: 1.79GiB
2018-08-07 18:07:53.200474: I
tensorflow/core/common_runtime/gpu/gpu_device.cc:1195] Creating
TensorFlow设备(/ device:GPU:0)->(设备:0,名称:NVIDIA Tegra X2, pci总线ID:0000:00:00.0,计算能力:6.2){{ 1}}
2018-08-07 18:07:53.878574: I
tensorflow / core / common_runtime / gpu / gpu_device.cc:859]无法将
标识为``NUMA node of /job:localhost/replica:0/task:0/device:GPU:0, defaulting
0。您的内核可能未使用NUMA支持构建。`
我应该担心吗?还是可以忽略不计?
答案 0 :(得分:2)
这对您来说应该不是问题,因为您不需要此板的NUMA支持(它只有一个内存控制器,因此内存访问是统一的。)
此外,我在nvidia论坛上发现this post似乎证实了这一点。