machine learning machine learning deployment NeMo Retriever Llama 3.2 text embedding and reranking NVIDIA NIM microservices now available in Amazon SageMaker JumpStart – AWS Blog Google Inc. March 18, 2025 March 18, 2025 NeMo Retriever Llama 3.2 text embedding and reranking NVIDIA NIM microservices now available in Amazon SageMaker JumpStart AWS Blog