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Sr. Staff Performance Tuning Engineer (CPU PMU & Virtualization) at NIO - ApplyBlast

Sr. Staff Performance Tuning Engineer (CPU PMU & Virtualization)

NIO

5 months ago

3.6 on Glassdoor

Remote

Full Time

Senior

0 applicants

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About this role

A performance engineer specializing in system performance analysis and optimization, focusing on CPU, memory hierarchy, and virtualization performance tuning.

Responsibilities

Identify and analyze performance bottlenecks across CPU, memory hierarchy, cache, interconnect, and interrupt subsystems
Profile and reduce hypervisor overhead, including VM exits, interrupt injection, and stage-2 MMU translation costs
Configure and interpret ARM PMUv3 and related vendor-specific performance monitoring extensions
Apply Top-Down Microarchitecture Analysis (TMA) to identify frontend/backend bottlenecks
Design and implement custom event sets tailored to workload-specific performance characterization

Skills

Qualifications

Bachelor’s, Master’s, or Ph.D. in Computer Science, Electrical Engineering, or a related field8+ years of experience in system performance engineering or related rolesStrong understanding of computer architectureDeep expertise with Linux performance toolingProficiency in C/C++, Python, and shell scripting

About NIO

nio.com

Headquarters

Jiading District, Shanghai, China

Company Size

10001+ employees

Founded

2014

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NIO is much more than a car company. NIO designs and develops smart, high-performance, electric vehicles with an aim to be the first “User Enterprise” in the world.