腾讯CPU架构与性能优化架构师
社招全职3年以上腾讯云技术地点:深圳状态:招聘♡ 收藏
工作描述
任职要求 1.具备扎实的计算机体系结构基础,熟悉至少一种主流服务器CPU架构,理解流水线、分支预测、缓存层次、缓存一致性、内存访问及NUMA等机制,能够分析其对实际负载的影响; 2.具备Linux系统性能分析能力,理解进程与线程调度、虚拟内存、缺页、同步机制及I/O路径;能够使用perf、eBPF、ftrace、Intel VTune、PCM或同类工具中的一种或多种开展分析; 3.具备复杂性能问题的定位与落地经验,能够完成“指标异常—提出假设—设计实验—定位根因—优化验证—回归交付”的完整过程,而不止于采集指标或调整参数; 4.具备基准测试与实验设计能力,能控制软件版本、数据集、并发、预热、频率及系统配置等变量,理解尾延迟、测试噪声、重复性和对照实验的重要性; 5.具备必要的软件工程能力,熟练使用C/C++、Python、Go等至少一种语言,能够开发测试工具、分析脚本或系统组件,并阅读相关实现代码; 6.具备系统架构判断与协作能力,能在性能、成本、可靠性、兼容性及工程复杂度之间进行权衡,并推动跨硬件、固件、系统软件和业务团队的方案落地。 加分项 1.有云计算、服务器平台、数据中心基础设施…
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包括英文材料
缓存+
https://hackernoon.com/the-system-design-cheat-sheet-cache
The cache is a layer that stores a subset of data, typically the most frequently accessed or essential information, in a location quicker to access than its primary storage location.
https://www.youtube.com/watch?v=bP4BeUjNkXc
Caching strategies, Distributed Caching, Eviction Policies, Write-Through Cache and Least Recently Used (LRU) cache are all important terms when it comes to designing an efficient system with a caching layer.
https://www.youtube.com/watch?v=dGAgxozNWFE
Linux+
https://ryanstutorials.net/linuxtutorial/
Ok, so you want to learn how to use the Bash command line interface (terminal) on Unix/Linux.
https://ubuntu.com/tutorials/command-line-for-beginners
The Linux command line is a text interface to your computer.
https://www.youtube.com/watch?v=6WatcfENsOU
In this Linux crash course, you will learn the fundamental skills and tools you need to become a proficient Linux system administrator.
https://www.youtube.com/watch?v=v392lEyM29A
Never fear the command line again, make it fear you.
https://www.youtube.com/watch?v=ZtqBQ68cfJc
Perf+
https://perfwiki.github.io/main/
perf is powerful: it can instrument CPU performance counters, tracepoints, kprobes, and uprobes (dynamic tracing).
https://www.brendangregg.com/bpf-performance-tools-book.html
This book can help you get the most out of your systems and applications, helping you improve performance, reduce costs, and solve software issues.
[英文] perf Examples
https://www.brendangregg.com/perf.html
These are some examples of using the perf Linux profiler, which has also been called Performance Counters for Linux (PCL), Linux perf events (LPE), or perf_events.
https://www.youtube.com/watch?v=M6ldFtwWup0
eBPF+
https://ebpf.io/get-started/
eBPF is a revolutionary technology that can run sandboxed programs in the Linux kernel without changing kernel source code or loading a kernel module.
C+
https://www.freecodecamp.org/chinese/news/the-c-beginners-handbook/
本手册遵循二八定律。你将在 20% 的时间内学习 80% 的 C 编程语言。
https://www.youtube.com/watch?v=87SH2Cn0s9A
https://www.youtube.com/watch?v=KJgsSFOSQv0
This course will give you a full introduction into all of the core concepts in the C programming language.
https://www.youtube.com/watch?v=PaPN51Mm5qQ
In this complete C programming course, Dr. Charles Severance (aka Dr. Chuck) will help you understand computer architecture and low-level programming with the help of the classic C Programming language book written by Brian Kernighan and Dennis Ritchie.
C+++
https://www.learncpp.com/
LearnCpp.com is a free website devoted to teaching you how to program in modern C++.
https://www.youtube.com/watch?v=ZzaPdXTrSb8
Python+
https://liaoxuefeng.com/books/python/introduction/index.html
中文,免费,零起点,完整示例,基于最新的Python 3版本。
https://www.learnpython.org/
a free interactive Python tutorial for people who want to learn Python, fast.
https://www.youtube.com/watch?v=K5KVEU3aaeQ
Master Python from scratch 🚀 No fluff—just clear, practical coding skills to kickstart your journey!
https://www.youtube.com/watch?v=rfscVS0vtbw
This course will give you a full introduction into all of the core concepts in python.
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