Other countries in the EU, however, can sue ireland for taxes they missed out on. Which is probably what will happen. The money will be divided up over many countries.
Some sysbench benchmark results are here comparing results on AWS, GCP, and Azure. Interesting to see AWS is better at lower low load (due to better interrupt handling in VMs?), while GCP is best at highest loads.
Disclaimer: developer of Hops.
This blog basically argues that systems like Horovod (Ring AllReduce) are architecturally superior to Parameter Server models (like TensorFlowOnSpark).