Senior CPU Architect (R & D)

IC Resources; Cambridge; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading technology recruitment firm in the United Kingdom is seeking a Senior Architect to work on the latest CPU architecture developments. The role involves performance analysis, optimization, and implementation of new instructions in performance simulators. Ideal candidates will have deep understanding of CPU architectures, experience with Aarch64 or X86 instruction sets, and strong collaboration skills. This position offers the chance to significantly impact processing power and performance improvements.

Qualifications

• Experience with performance simulators like GEM5 or Sniper is a plus.
• Knowledge of NPU/GPU architecture is valued.
• Experience in ARM/x86 instruction implementation preferred.

Responsibilities

• Analyze performance of applications for new instructions.
• Optimize critical application parts to support new ISA.
• Implement new instructions in performance simulator.

Skills

Deep understanding of modern CPU architectures

Knowledge of latest Aarch64 or X86 instruction sets

Background in performance analysis

Excellent collaboration and interpersonal skills

Tools

GEM5

QEMU

DynamoRIO

Job description

This is a key position as a senior architect – to work on the latest developments in CPU architecture – for improvements in processing power, performance and optimisation.

Main Responsibilities

• Performance analysis of applications of interest to propose new instructions and ISA extensions.
• Reworking and optimisation of critical parts of applications to support new ISA.
• Implementation of proposed new instructions or uArch tweaks in performance simulator for evaluation of possible performance benefits.

Requirement

• Deep understanding of modern CPU architectures
• Knowledge and experience of using of latest Aarch64 or X86 instruction sets.
• Background in performance analysis, profiling and workload characterization.
• Excellent collaboration and interpersonal skills

Considered as a plus

• Experience in developing and using performance simulators like GEM5 (O3 model), Sniper or others is a big plus.
• Experience in developing and using dynamic binary instrumentation infrastructures like QEMU or DynamoRIO or x86 PIN is a plus.
• Knowledge of NPU/GPU architecture
• Experience in simulator development for NPU/GPU
• Experience in implementing instructions in the ARM/x86 architecture is preferred.