1. Availability of H-series VMs in Microsoft Azure.
https://azure.microsoft.com/en-us/blog/availability-of-h-series-vms-in-microsoft-azure/
2. ElasticHPC.
http://www.elastichpc.org/
3. HPC Cloud Hits Petaflop.
https://www.schrodinger.com/news/schrodinger-partners-cycle-computing-accelerate-materials-simulation-using-cloud
4. Microsoft Azure Low-Priority VMs.
https://docs.microsoft.com/en-us/azure/batch/batch-low-pri-vms
5. Spotinst HPC.
https://spotinst.com/solutions/hpc/