title: Does Tensorflow support Tesla K80
body: <p>I'm running Tensorflow 0.8 on Tesla K80 with CUDA 7.5 and CUDNN v5. Everything is fine but two devices can't access each other. </p>
  
  <p>The warning log is listed below. Thank you.</p>
  
  <pre><code>I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 0 to device ordinal 2
  I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 0 to device ordinal 3
  I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 1 to device ordinal 2
  I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 1 to device ordinal 3
  I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 2 to device ordinal 0
  I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 2 to device ordinal 1
  I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 3 to device ordinal 0
  I tensorflow/core/common_runtime/gpu/gpu_init.cc:59] cannot enable peer access from device ordinal 3 to device ordinal 1
  </code></pre>