HIP: use hipBLAS for dense prefill on gfx900, keep MMQ for MoE by DEV-DUFORD · Pull Request #24588 · ggml-org/llama.cpp

Overall Performance Gains:

• Qwen3.5 4B: +36.1%
• Qwen3.6 27B: +18.9%
• Gemma4 12B: +65.1%
• Overall average: ~40%

Only for gfx900 related GPUs:

Vega GPU, codename vega10, including Radeon Vega Frontier Edition, Radeon RX Vega 56/64, Radeon RX Vega 64 Liquid, Radeon Pro Vega 48/56/64/64X, Radeon Pro WX 8200/9100, Radeon Pro V320/V340/SSG, Radeon Instinct MI25

Those are really great numbers for such old architecture & cards. Great for those card holders.