【发布时间】:2018-08-07 18:18:15
【问题描述】:
我有 Jetson TX2、python 2.7、Tensorflow 1.5、CUDA 9.0
Tensorflow 似乎在工作,但每次我运行程序时,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 openfile 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] CreatingTensorFlow device (/device:GPU:0) -> (device: 0, name: NVIDIA Tegra X2,pci bus id: 0000:00:00.0, 计算能力: 6.2)
2018-08-07 18:07:53.878574: I
tensorflow/core/common_runtime/gpu/gpu_device.cc:859] 无法识别``NUMA node of /job:localhost/replica:0/task:0/device:GPU:0, defaultingto0。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?
【问题讨论】:
标签: tensorflow linux-kernel numa