SiFive has added support for Nvidia's NVLink Fusion in its RISC-V CPU and SoC designs, aligning with major vendors and aiding custom CPU integration with Nvidia GPUs.
Amazon to fuse Nvidia's NVLink into Trainium4 accelerators
AWS's Trainium4 chips, using Nvidia NVLink Fusion, claim up to 6x FP4 performance and major bandwidth gains, enabling high-throughput inference and potential multi-chip pooling.