Apple

Apple

Posted via Apple Careers

GPU Performance Modeling Engineer

Always Hiring

Posted Aug 4, 2026

Role at a glance

Salary
$142.3K – $263.3K/yr
Location
San Diego, California, United States
Work arrangement
On-site
Employment
Full-time
Experience
a minimum of 3 years relevant industry experience
Education
BS

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Role Summary

AI-generated

The GPU performance modeling engineer will develop cycle-approximate performance models for Apple-designed GPUs within the Silicon Technologies group. The role works with architects, designers, and the hardware team to analyze performance and support GPU model and design bring-up.

What You'll Do

  • Develop cycle-approximate perf C/C++ models
  • Work closely with architects and designers
  • Analyze performance results
  • Help propose architectural and micro-architectural changes
  • Support the hardware team during model and design performance bring-up

Generated from the employer's posting. Verify important details before applying.

View full posting

Qualifications

BS; a minimum of 3 years relevant industry experience; background in GPU, CPU, or SIMD architectures; excellent C/C++ programming skills; experience in hardware performance modeling, analysis, and debug; strong communication, influence, and negotiation skills.

Required

  • BS
  • a minimum of 3 years relevant industry experience
  • Background in GPU, CPU, or SIMD architectures
  • Excellent C/C++ programming skills
  • Experience in hardware performance modeling, analysis, and debug
  • strong communication, influence, and negotiation skills

Preferred

  • Experience writing performance models for GPU Schedulers, Execution Units, Texture/Pixel Units, or Caches
  • Experience with GPU APIs, OpenGL, OpenCL, DirectX, Metal
  • Expertise in core/shader micro-architecture, texture pipeline, caching, or memory subsystem design
  • Experience with scripting, Verilog/VHDL, design verification methodology and tools

Original job description

Content provided by the employer

Summary

Do you love creating elegant solutions to highly complex challenges? Do you intrinsically see the importance in every detail? As part of our Silicon Technologies group, you’ll help design and manufacture our next-generation, high-performance, power-efficient GPU! You’ll ensure Apple products and services can seamlessly and efficiently handle the tasks that make them beloved by millions. Do you love working on challenges that no one has solved yet? Join us to help deliver the next groundbreaking product containing an Apple designed GPU.

In this team, we are passionate about writing code for performance modeling for GPUs and the performance model infrastructure. This includes working with architects and designers to understand the units being modeled.

Description

As a GPU performance modeling engineer, you will be responsible for developing cycle-approximate perf C/C++ models in close collaboration with architects and designers. Additionally, you will analyze performance results and help propose architectural and micro-architectural changes. You will be critical in supporting the hardware team during model and design performance bring-up.

Minimum Qualifications

We are looking for candidates with a BS and a minimum of 3 years relevant industry experience.
Background in GPU, CPU, or SIMD architectures.
Excellent C/C++ programming skills.
Experience in hardware performance modeling, analysis, and debug.
Ability to work well in a team in order to be productive under aggressive product schedules.
We believe that there is power in teams working together so you must have strong communication, influence, and negotiation skills.

Preferred Qualifications

Experience writing performance models for GPU Schedulers, Execution Units, Texture/Pixel Units, or Caches.
Experience with GPU APIs, OpenGL, OpenCL, DirectX, Metal.
Expertise in one or more focused CPU/GPU areas. Areas could include core/shader micro-architecture, texture pipeline, caching, or memory subsystem design.
Experience with scripting, Verilog/VHDL, design verification methodology and tools a plus.

Pay & Benefits — San Diego, California, United States

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $142,300 and $263,300, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Application Deadline

Apple accepts applications to this posting on an ongoing basis.

Apple

About the company

Apple

Large Enterprise

Apple Inc. is a global technology company known for its innovative products and services, including the iPhone, iPad, Mac computers, and Apple Watch. Founded in 1976, Apple has continuously pushed the boundaries of design and functionality, earning a reputation for high-quality consumer electronics and software solutions like iOS and macOS. With a strong commitment to user experience and privacy, Apple also leads in digital services, offering platforms such as the App Store, Apple Music, and iCloud. The company's focus on sustainability and corporate responsibility further enhances its standing as a leader in the technology sector.