Principal CPU Microarchitect - RISC-V & AI Compute
Salary not listed • Austin, Texas, United States; Santa Clara, California, United States; Toronto, Ontario, Canada • Full-time
Posted 1y ago
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Job Location
Austin, Texas, United States; Santa Clara, California, United States; Toronto, Ontario, Canada
Remote Work Policy
On-site
Employment Type
Full-time
Categories
Machine Learning Engineer
About the job
Tenstorrent is at the forefront of AI technology, aiming to revolutionize performance, usability, and cost-efficiency. As AI reshapes computing, our solutions must integrate software models, compilers, platforms, networking, and semiconductors. We have developed a high-performance RISC-V CPU and are seeking passionate individuals to build the ultimate AI platform. Our Tensix Team is architecting the future of AI compute with scalable RISC-V processors, focusing on reimagining RISC-V core frontends for enhanced programmability, efficiency, and developer experience. This is a unique opportunity to influence the CPU architecture at the core of our AI platform and lead a critical technical initiative.
Responsibilities
- Analyze AI workloads to identify execution bottlenecks and define CPU performance requirements.
- Drive the microarchitecture design of custom RISC-V CPU cores, balancing performance, power, and area (PPA) targets.
- Design and implement custom instructions to significantly improve performance while maintaining compiler programmability and developer velocity.
- Collaborate with compiler, software, and hardware teams to co-design the next-generation AI compute architecture.
Requirements
- 10+ years of deep expertise in CPU performance modeling and microarchitecture design.
- Deep familiarity with the computational and memory bottlenecks of modern AI workloads, especially Large Language Models (LLMs).
- Experience architecting custom instruction set extensions and validating their performance against real-world workloads.
- Familiarity with open-source RISC-V cores.
- Experience with AI-based agentic workflows.
Benefits
- Highly competitive compensation package