SpacemiT is a computing chip company based in Hangzhou, China, founded in 2021, focused on RISC-V AI CPUs. In 2024, it unveiled the Muse Book laptop with Bianbu OS operating system, based on the Key Stone K1 octa-core RISC-V chip. In January 2025 has announced the development of a server processor with up to 64 RISC-V core, named VitalStone V100, made on a 12nm-class process technology. VitalStone V100 supports virtualization, memory virtualization through an IOMMU which complies with the RISC-V architecture and the AXI4-Stream DTI interface.
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