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Lessons Learned Training ZAYA1-74B End-to-End on AMD

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Abstract

ZAYA1-74B is a 74B-parameter MoE (4B active) pretrained and post-trained end-to-end on AMD MI300X. We share what it took: a co-designed stack with CCA attention, expert-context-parallel folding, and sliding-window layers that halve KV cache, plus an RL pipeline that sharpens math and code and hardens multi-turn agentic tool use. The result is a competitive long-context, Apache 2.0 model, proving the full train-to-RL loop runs effectively on AMD.

July 23, 2026 4:00 PM - 4:15 PM PDT

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