ROCm 7.2 is now created alongside vulkan-radv during setup, giving Vulkan vs ROCm comparison in baseline and post-optimization benchmarks. Smoke test: ROCm 7.2 on Qwen3.5-0.8B → 8090 t/s pp512, 161 t/s tg128 (vs Vulkan: 8900 t/s pp512, 177 t/s tg128) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>