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CPU Processor Performance Verification Specialist

2 months ago

Cupertino, California, United States Apple Full time
Job Summary

We are seeking a highly skilled CPU Processor Performance Verification Engineer to join our team at Apple. As a key member of our chip design effort, you will be responsible for silicon performance verification, correlation, characterization, and tuning for CPUs.

Key Responsibilities
  • Collaborate with architects and RTL designers to verify the performance features of the design and correlate with performance models.
  • Work closely with software and application developers to identify performance bottlenecks and tune the software.
  • Develop test plans and test infrastructure/tools for performance tuning, correlation, and verification.
  • Improve and maintain the architectural performance models.
  • Develop tests in assembly, C/C++, or vectors to debug and correlate the RTL and performance model.
  • Develop C or Verilog-based checkers for verifying the performance features.
  • Develop coverage monitors and analyze coverage to ensure all performance features are covered.
  • Debug performance issues and conduct performance tuning on silicon.
  • Benchmark, correlate, and compare CPU performance across silicon/OS/compiler versions.
  • Present CPU performance results to multi-functional teams.
  • Work closely with OS and compiler teams on system and application performance tuning.
Requirements
  • Performance modeling, processor verification, or RTL design experience.
  • In-depth knowledge of digital logic design, CPU architecture, and microarchitecture.
  • Experience in performance modeling for advanced CPU designs.
  • Experience in developing performance test plans and writing/debugging assembly tests for performance correlation and verification.
  • Good programming skills in assembly, C/C++, Verilog, System Verilog, and scripting.
  • Proven experience in benchmarks and workload analysis.
  • Experience in CPU performance profiling.
  • Good knowledge in compiler techniques and OS for performance optimization.
  • Proven knowledge with developing instruction profiling tools on silicon.
  • Ability to work across teams to optimize silicon performance.
  • Experience in silicon validation is a plus.
Preferred Qualifications
  • Education and experience in a related field.