Performance Control Software Engineer - Platform Architecture

Platform Architecture is looking for a Performance Control Software Engineer to measure, analyze and control the relationship between power and performance in Apple’s most advanced systems. In this position, you will study the execution of workloads on Apple silicon across all Apple platforms and leverage that understanding to invent new operating system performance control features. You will design and conduct performance experiments, create instrumentation and data visualizations, prototype innovative in-kernel performance control algorithms, collaborate with teams ranging from the core operating system through user-facing applications, and productize the software that controls the performance of every workload executed on hundreds of millions of Apple products around the world. Participate in the design, prototyping, implementation and code review of kernel features related to performance control, power management and scheduling. Design and conduct experiments to characterize execution efficiency and the effects of physical constraints such as temperature or power delivery. Use excellent empirical methodology to illuminate power–performance tradeoffs. Influence a broad cross-functional audience spanning processor architecture, silicon engineering, system integration, OS development and application software performance evaluation. Find opportunities to improve the measurement and control capabilities of Apple silicon. BS in Computer Science, Electrical and Computer Engineering or similar engineering degree. Academic or practical experience with operating system design and implementation. MS in Computer Science or Electrical and Computer Engineering or similar engineering degree. Kernel software development experience in C or C++. Knowledge of computer architecture and hardware performance monitoring instrumentation. Userland software development experience in environments such as C, C++, Swift or Python.

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