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> ec2 only offers 6 general-purpose ARM instance sizes

m6g, c6g, r6g each support 6 sizes for a total of 24

Disclosure: I work at AWS building cloud infrastructure

C6g, M6g, and R6g (powered by AWS Graviton2) each support 8 sizes, along with bare metal. A1 instances (powered by AWS Graviton) have 5 sizes, along with bare metal.

That's a total of 33 distinct instance sizes.

Thanks, I didn't know about c6g, m6g, r6g. I've updated the post to remove this mention - I only counted a1 instances.

That still leaves storage optimized and GPU optimized instances missing. I'm guessing storage should be easy enough to add, but what about GPU?

From my novice experience with GPUs, they need finicky drivers that must be ported by the GPU manufacturers, so I figure it might take a while to get competitive ARM GPU instances.

Configurations of these instances with NVMe local storage are coming.

NVIDIA is supporting Arm for CUDA development, see https://nvidianews.nvidia.com/news/nvidia-brings-cuda-to-arm... and https://blogs.nvidia.com/blog/2019/11/18/ngc-containers-arm/

This seemed like the weakest argument in the article; as arm becomes more popular it will get more support.

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