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CPU Research Engineer
Job summary
A leading technology company based in Cambridge is seeking a CPU Research Engineer to research and develop advanced data prefetching techniques, speculative execution mechanisms, and branch prediction innovations. The ideal candidate will hold a Master or PhD degree in Computer Science, Engineering, or Physics, and possess strong programming skills in C, C++, and Python. This full-time on-site role involves collaboration with UK universities and compiler teams to push the boundaries of processor architectures.
Qualifications
- Master/PhD degree required in relevant fields.
- Strong knowledge of computer architectures and processor design.
- Deep understanding of speculative execution and branch prediction.
Responsibilities
- Research data prefetching techniques using ML-based predictors.
- Design speculative execution mechanisms and thread-level speculation.
- Innovate branch prediction techniques for next-gen processors.
Skills
Education
Tools
Job Title: CPU Research Engineer
Location: Cambridge, UK (Full Time On-Site)
Type: Fixed Term Contract
Duration: 12 Months (Highly Likely to Extend)
- Research and develop next-generation data prefetching techniques including ML-based predictors and irregular access pattern prediction.
- Design advanced speculative execution mechanisms and thread-level speculation (TLS).
- Research branch prediction innovations including neural branch predictors, path-based prediction, slice-based prediction, and conditional control flow slice techniques.
- Design ISA extensions and microarchitectural support for compiler-directed optimizations including software pipelining and instruction scheduling hints.
- Propose microarchitectural support for JIT compilation, dynamic optimization, and adaptive execution.
- Design simulation and prototyping frameworks integrating compiler toolchains with architectural models for microarchitectural evaluation.
- Participate in joint research projects with top tier UK universities, compiler teams, and OS kernel developers on future processor architectures.
- Master/PhD degree in Computer Science/Engineering/Physics etc.
- Strong knowledge of advanced computer architectures, superscalar processor design, and compiler design principles.
- Deep understanding of speculative execution, branch prediction, and out-of-order execution.
- Strong programming skills in C, C++, Python, assembly languages (Arm64 assembly or RISC-V assembly), and scripting languages.
- Experience with cycle-accurate microarchitecture simulation and performance modelling.
- Experience with gem5, Sniper, ChampSim, or other cycle-accurate detailed microarchitecture simulators.
- Experience with LLVM backend development or custom ISA extension implementation.
- Strong knowledge of profile-guided optimization (PGO) and feedback-directed optimization.
- Experience with compiler development (LLVM, GCC) or compiler optimization techniques.
- Experience with OS kernel development and understanding of scheduler and memory manager internals.
- Knowledge of binary translation, dynamic binary instrumentation, or JIT compilation techniques.
- Understanding of hardware-enforced security mechanisms (CFI, PAC, BTI, MTE on Arm).
- Experience with co-simulation frameworks integrating ISA simulators with compiler toolchains.
- Familiarity with emerging technologies: processing-in-memory (PIM), near-data processing, chiplet architectures.
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