Tensorflow seems to require a cuda compute capability of 3.5, thereby excluding amazon G2 instances which use a GRID K520 with 3.0, might be good to know:
tensorflow/core/common_runtime/gpu/gpu_init.cc:88] Found device 0 with properties:
name: GRID K520
major: 3 minor: 0 memoryClockRate (GHz) 0.797
pciBusID 0000:00:03.0
Total memory: 4.00GiB
Free memory: 3.95GiB
I tensorflow/core/common_runtime/gpu/gpu_init.cc:112] DMA: 0
I tensorflow/core/common_runtime/gpu/gpu_init.cc:122] 0: Y
I tensorflow/core/common_runtime/gpu/gpu_device.cc:611] Ignoring gpu device (device: 0, name: GRID K520, pci bus id: 0000:00:03.0) with Cuda compute capability 3.0. The minimum required Cuda capability is 3.5.
I tensorflow/core/common_runtime/gpu/gpu_device.cc:611] Ignoring gpu device (device: 0, name: GRID K520, pci bus id: 0000:00:03.0) with Cuda compute capability 3.0. The minimum required Cuda capability is 3.5.
I tensorflow/core/common_runtime/gpu/gpu_device.cc:611] Ignoring gpu device (device: 0, name: GRID K520, pci bus id: 0000:00:03.0) with Cuda compute capability 3.0. The minimum required Cuda capability is 3.5.
Tensorflow seems to require a cuda compute capability of 3.5, thereby excluding amazon G2 instances which use a GRID K520 with 3.0, might be good to know: