Inferntia2 DevOps in Action
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In the last entry I got Gemma-4's 128-expert MoE running on an inf2.24xlarge and signed off with a cliffhanger: fitting it on a 2-core box "needs fp4 — a separate expedition." This is that expedition. It ended nowhere near where I thought it would: not with fp4, and not on the 8xlarge I was aiming for, but on the smallest, cheapest Inferentia2 instance AWS sells — a single inf2.xlarge with 16 GB of host RAM — running a 26B-parameter model . Here's the refinement trail, dead ends included. The…
1Key Takeaways
- In the last entry I got Gemma-4's 128-expert MoE running on an inf2.24xlarge and signed off with a cliffhanger: fitting it on a 2-core box "needs fp4 — a separate expedition." This is that expedition.
- It ended nowhere near where I thought it would: not with fp4, and not on the 8xlarge I was aiming for, but on the smallest, cheapest Inferentia2 instance AWS sells — a single inf2.xlarge with 16 GB of host RAM — running a 26B-parameter model .
- Here's the refinement trail, dead ends included.
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3Why it matters
Coding AI shifts how fast software ships and how much human review each change needs. DEV — ML reports that in the last entry I got Gemma-4's 128-expert MoE running on an inf2.24xlarge and signed off with a cliffhanger: fitting it on a 2-core box "needs fp4 — a separate expedition." This is that expedition.
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