By Hamza in HPC Cloud Release Notes — Oct 26, 2025

HPC Cloud Updates WE 26 Oct 2025

Updates to AWS, Azure & GCP in the last week relevant for HPC practitioners. Google compile and run 100k applications across multiple CPU ISAs. AWS makes another tweak to PCS and gives us more EC2 metrics in CloudWatch and Azure has a new region coming up.

AWS

Need a hand picking EC2 instance types for your scientific HPC workload?

Predictive EC2 autoscaling now works in more places

Amazon EC2 Auto Scaling now supports predictive scaling in six more regions - AWS

Discover more about what’s new at AWS with Amazon EC2 Auto Scaling now supports predictive scaling in six more regions

Amazon Web Services, Inc.

Pick up on I/O limits being exceeded with new CloudWatch metrics

New Amazon CloudWatch metrics to monitor EC2 instances exceeding I/O performance - AWS

Discover more about what’s new at AWS with New Amazon CloudWatch metrics to monitor EC2 instances exceeding I/O performance

Amazon Web Services, Inc.

PCS can now rotate you secret keys for you

AWS Parallel Computing Service (PCS) now supports rotation of cluster secret keys - AWS

Discover more about what’s new at AWS with AWS Parallel Computing Service (PCS) now supports rotation of cluster secret keys

Amazon Web Services, Inc.

New Regional Instances: i8g in London, Singapore and Tokyo, c7i-flex in Jakarta

Azure

Azure now lets you turn off SMT and control how many cores are enabled in a VM. The latter is new but the former of those we’ve been doing for a number of years now and was always possible… At least via ARM templates or APIs though it did need a support request to enable it on the subscription