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CPU Processor Performance Verification Engineer

Apple· Hardware
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Full-timePosted 6mo ago

About the role

Engineer responsible for silicon performance verification, correlation, characterization and tuning for CPUs, including pre-silicon performance verification, test development, and collaboration with OS and compiler teams to optimize performance.

Responsibilities

  • Work closely with architects and RTL designers on verifying the performance features of the design and correlating with performance models (both pre-silicon and post-silicon)
  • Work closely with software and application developers on identifying performance bottlenecks and tuning 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

Qualifications

  • Minimum BS
  • Academic experience with performance modeling, processor verification, or RTL design
  • Academic experience in digital logic design, CPU architecture, and microarchitecture
  • Experience in at least one of the following: assembly, C/C++, Verilog, or System Verilog
  • Experience in developing performance test plans and writing/debugging assembly tests for performance correlation and verification
  • Experience in benchmark and workload analysis and CPU performance profiling
  • Knowledge of compiler techniques and OS for performance optimization
  • Knowledge in developing instruction profiling tools on silicon
  • Experience in performance modeling for advanced CPU designs
  • Experience in silicon validation
  • Ability to work across teams to optimize silicon performance
  • Should be a great teammate with excellent communication and presentation skills and able to work independently on the owned unit

Benefits

  • Comprehensive medical and dental coverage
  • retirement benefits
  • discounted products and free services
  • reimbursement for certain educational expenses including tuition
  • discretionary bonuses or commission payments (optional)
  • relocation assistance
  • Apple shareholder opportunities through stock programs
  • employee stock purchase plan
Last updated Aug 7, 2026. Interested? Apply on the company site.

About Apple

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