Senior Director Performance

About SiFive

As the pioneers who introduced RISC-V to the world, SiFive is transforming the future of compute by bringing the limitless potential of RISC-V to the highest performance and most data-intensive applications in the world. SiFive’s unrivaled compute platforms are continuing to enable leading technology companies around the world to innovate, optimize and deliver the most advanced solutions of tomorrow across every market segment of chip design, including artificial intelligence, machine learning, automotive, data center, mobile, and consumer. With SiFive, the future of RISC-V has no limits.

At SiFive, we are always excited to connect with talented individuals, who are just as passionate about driving innovation and changing the world as we are.  

Our constant innovation and ongoing success is down to our amazing teams of incredibly talented people, who collaborate and support each other to come up with truly groundbreaking ideas and solutions.  Solutions that will have a huge impact on people's lives; making the world a better place, one processor at a time. 

Are you ready?  

To learn more about SiFive’s phenomenal success and to see why we have won the GSA’s prestigious Most Respected Private Company Award (for the fourth time!), check out our website and Glassdoor pages.

Job Description:


What you will do:

Generate Pre-Silicon Performance Projections: 

·        The performance lead will be responsible for generating pre-silicon performance projections across our IP portfolio. 

·        The performance lead will also be responsible for correlating the performance model with RTL and silicon to ensure our IP can deliver on our projections. 

·        The performance lead will also be responsible for working with SiFive’s software groups to generate benchmarking data for engineering and our customers. 

·        The performance lead will also be responsible to maintain the performance modeling and emulation infrastructures for use in projections. 

·        The performance lead will be aided by a team of 20+ performance architects and modelers (world-wide) to generate these projections. 

Interface with customers to tailor SoCs to their needs

·        The performance lead will have a chance to work directly with customers (which include Fortune 500 companies as well as prominent, innovative startups) to brainstorm and troubleshoot performance issues with our designs

What You Should Know:

·        8+ years experience in performance projections for various components of a processor chip, such as cores, multicore, NoC, etc. 

·        Familiar with industry-standard modeling and benchmarking practices,including but not limited to tracing, sampling, and emulation. 

·        Familiar with advanced CPU architectures and pipelines

·        Has experience in CPU design flow, including spec definition, microarchitecture design, and performance modeling.   

·        You should be familiar with basics of SoC components, such as PCIe, DDR, peripherals, interrupt architectures, IOMMUs, and other related IPs.

·        You should be familiar with memory coherence, consistency, and ordering

·        Basic understanding of RTL design & core tool flows;

·        Basic understanding of foundry lib, IP, and process technology limitation

·        Basic understanding of RTOSes and Linux OSes.

Compensation Range:



Additional Information:

This position requires a successful background and reference checks and satisfactory proof of your right to work in

United States of America

Any offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.

SiFive is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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