Job Description
RISC-V International is looking for a Sail Developer to help develop the RISC-V Formal Model codebase. Part of the acceptance criteria for ratification of a RISC-V hardware specification includes the completion of the formal model deliverables for the extension seeking ratification. RISC-V has chosen Sail from the University of Cambridge as its formal modeling language. RISC-V Sail both uses and depends upon the associated tools including the simulator generator.
This role will develop the Sail formal model support for the RISC-V ISA extensions and augment the Sail infrastructure to support formal model development; work with the RISC-V ISA specification document creation so that the formal model is consistently integrated into the specification and in the formal model files. Collaborate with the RISC-V Staff, with the Task Groups, Development Partners, and Cambridge Sail staff.
The expected salary range will be $12,000 to $15,000 per month based on experience.
Key responsibilities include:
- Develop Sail Formal Model code for extensions and upstream to the RISC-V Sail repository
- Develop assembly language tests to demonstrate proper Sail implementation of the extension and/or feature as compared to the text of the specification.
- Enhance Sail infrastructure (e.g. simulator generator functionality) to support the RISC-V Formal Model
- Work with the RISC-V Sail ecosystem including: the RISC-V Sail maintainer, Cambridge Sail staff, RISC-V Architectural Tests efforts, RISC-V Task Groups, and RISC-V Development Partners to develop the RISC-V Sail Formal Model.
- Work with the RISC-V Sail repository maintainer to provide priorities and oversight of RISC-V Sail development throughout the ecosystem
- Maintain the RISC-V Sail Formal Model community including mailing lists, informational meetings, and developer training
- Communicate status to the RISC-V Task Group Chairs and inform the greater RISC-V community of updates as appropriate
Qualifications:
The following qualifications are required for consideration:
- 5+ years software or hardware development experience
- BS/BA in Electrical or Computer Engineering or equivalent years of experience
- Understanding of computer architecture, privilege levels, virtual memory, formal verification, and design verification
- Experience with strongly typed programming languages, such as Rust, Haskell, OCaml, F#, Scala.
- Experience developing open source code
- History of successful completion and maintenance of software projects
- Experience as a hardware or software products developer with knowledge of assembly language, HDL code, and RTL abstractions
- Experience with a scripting language (preferably Python) is required.
- Experience with SW development tools and processes (assemblers, compilers, revision control systems). Experience with git and github is required.
- Experience with measuring coverage (functional and code) of a software application.
- The ability to respond and adapt to a highly interrupt driven environment while maintaining focus on long term objectives
- Effectively manages time, sets goals, and effectively communicates status in a remote team environment
- High level of written and verbal skills, must be concise, articulate and understandable
- High level of attention to detail, content, and form
The following skills are preferred:
- 10+ years software development experience
- 5+ years developing open source code
- Experience as an open source code base maintainer
- Experience with the Sail programming language (the ISA specification language)
- Advanced degree in CS / ECE / EE or equivalent
- Understanding of compilers
- Understanding of modern, automated, constrained random testing
- Understanding of modern verification tools like Z3
- Proficient with GitHub, Google/MSFT Suites, and Atlassian tools
- Experience with assertion-based verification methodologies (SystemVerilog Assertions etc.)
Additional Information:
All your information will be kept confidential according to EEO guidelines.
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