CPU Performance Engineer
Apple
Job Overview
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Job Description
Summary
The CPU Platform Architecture team at Apple is dedicated to advancing both single-threaded and multi-threaded CPU performance to enhance the user experience across a wide range of Apple products. This team comprises experts in microarchitecture, ISA definition, performance modeling, power modeling, and workload analysis. We are actively seeking a highly motivated, innovative, and confident individual to join us and drive advanced exploration for next-generation iPhone, iPad, Mac, and server CPU designs.
Description
As a CPU Performance Engineer with a specific focus on the memory subsystem, you will play a crucial role in defining and optimizing CPU and cache micro-architecture. You will collaborate to identify performance bottlenecks within the design and evaluate various solutions to address them. This involves working closely with experienced CPU and SoC designers in micro-architecture and RTL to assess the feasibility of ideas through modeling, refine concepts, improve model correlation, and seed new innovative ideas. The role requires in-depth analysis of single-threaded and multi-threaded workloads across both existing and new product categories to pinpoint bottlenecks and discover opportunities for enhancement. We work as part of a larger CPU architecture and performance team, continuously maintaining and improving our simulation environment to enable data-driven decisions and boost overall team productivity.
Minimum Qualifications
- BS degree
- Experience in CPU and SOC architecture and micro-architecture
- Experience with performance simulation environments
- Object-oriented programming experience in C/C++
- Experience in a scripting language such as Perl or Python
Preferred Qualifications
- Knowledge of memory latency tolerance techniques or other aspects of CPU memory subsystem (e.g., prefetching, caching policies)
- 3+ years of relevant industry experience
- MS or PhD in Electrical or Computer Engineering or Computer Science
- Understanding of common data structures and algorithms
- Familiarity with SIMD, vector, or accelerator architectures
- Familiarity with MP performance
- Comfortable in an environment of uncertainty and able to navigate through ambiguities
- Experience in a research-driven environment
Key skills/competency
- CPU Architecture
- Microarchitecture
- Performance Modeling
- Memory Subsystem
- Cache Optimization
- C/C++ Programming
- Python/Perl Scripting
- Workload Analysis
- SoC Design
- Simulation Environments
How to Get Hired at Apple
- Research Apple's culture: Study their mission, values, recent news, and employee testimonials on LinkedIn and Glassdoor to align your application.
- Tailor your resume for CPU Performance Engineer roles: Highlight experience in CPU architecture, performance modeling, and memory subsystem optimization.
- Showcase technical expertise: Prepare to discuss your C/C++ programming skills, experience with simulation environments, and scripting abilities in interviews.
- Demonstrate problem-solving: Be ready to articulate how you've identified and resolved complex performance bottlenecks in past projects.
- Connect with Apple professionals: Network on LinkedIn with current Apple engineers and architects to gain insights and potentially referrals.
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