Enabling DeepSeek-V4-Flash Training on AMD Instinct MI355X GPUs with Primus

AMD details training DeepSeek-V4-Flash on Instinct MI355X GPUs using the Primus framework. The model features 284 billion parameters with sparse attention and hyper-connection blocks. These architectural choices break standard Megatron-LM assumptions, requiring specialized handling. The post explains the technical adaptations needed for this specific hardware and model combination.