AMD MI500X ISA reportedly adds a shared TDM MoE descriptor
snowclipsed · x · 2026-07-22
- A repost points to an “Inside Rubin” blog post and a SemiAnalysis scoop on AMD's MI500X ISA.
- The reported detail is that the ISA includes a single TDM MoE descriptor shared across all experts.
- The post also notes that MI455X is adding TDM, nicknamed RMA, which is described as resembling NVIDIA's Hopper SM90 TMA mechanism.
More from Infra
- 80% of the DIY LLM inference hype posters have already quit — it's brutally hard systems work — abhijithneil · 2026-09-11
- Hugging Face's Ultra Scale Playbook: a free book on training LLMs on GPU clusters — mdancho84 · 2026-09-11
- Is inference latency becoming the biggest bottleneck for production AI agents? — Euphoric_Sea632 · 2026-09-11
- LLM Serving Metrics Thread: Why TPOT and Uptime Make or Break User Experience — abhijithneil · 2026-09-11
- PlanetScale launches sharded Postgres: 768 servers acting as one, 1PB scale — dhruv2038 · 2026-09-11
- Can a 7900 XTX 24GB run Qwen locally? Reddit seeks ROCm tok/s benchmarks — thenomadexplorerlife · 2026-09-11