"At the end of Google I/O, the company unveiled a new program to give researchers access to the company’s most advanced machine learning technologies for free. The TensorFlow Research Cloud program, as it will be called, will be application based and open to anyone conducting research, rather than just members of academia."
An in-depth look at Google’s first Tensor Processing Unit (TPU) | Google Cloud Big Data and Machine Learning Blog | Google Cloud Platform
"CPU, GPU and TPU performance on six reference workloads (in log scale)"
Nvidia claims Pascal GPUs would challenge Google's TensorFlow TPU in updated benchmarks - ExtremeTech
Cloud TPUs - ML accelerators for TensorFlow | Google Cloud Platform
Recommended System Configurations for TensorFlow | NVIDIA