顶尖应届-车机OS性能优化工程师（资源优化方向）-智能座舱
北京
校招
正式
软件研发类
职位描述
1、技术洞察：从行业论文、会议、开源社区洞察行业先进技术方向和方案； 2、技术预研：预研相关技术方案，评估技术可行性、并实现落地Demo； 3、技术落地：实现方案的工程化落地，代码健壮性/性能/扩展性达到商业化程度。
职位要求
1、计算机科学、软件工程、电子工程等相关专业硕士/博士； 2、在校具备相关Android/Linux系统性能/AI/图形显示/内核/编译技术研究课题或者或者经验优先； 3、优秀的逻辑思维与问题解决能力，能够快速定位并攻克复杂技术难题； 4、良好的团队协作与沟通能力，适应高强度技术攻关与跨部门协作。
职位信息
课题名称及内容：
【课题名称】 Android系统架构与资源调度优化 【课题内容】 1、深入分析现有Android系统的Binder通信机制、渲染管线（SurfaceFlinger）以及内存管理（LMK/LMKd）在高负载场景下的性能瓶颈。通过Trace工具（Systrace/Perfetto）量化分析CPU调度延迟、帧耗时分布和内存抖动问题。 2、自适应CPU调度策略优化：研究并改进CPU调频和任务调度算法，针对UI渲染线程、实时音视频线程等，实现任务感知的CPU亲和性绑定和大核优先抢占机制 3、系统架构层面的轻量化改造：设计智能后台进程冷冻算法，借鉴并改进类似“墓碑机制”的后台管理策略，减少无效CPU唤醒 4、Android关键计算热点识别：使用perf、simpleperf等性能剖析工具，定位Android系统运行时的CPU密集热点函数，并设计CPU指令级并行优化策略，编译器级别优化方案
投递
Xiaomi Corporation was founded in April 2010 and listed on the Main Board of the Hong Kong Stock Exchange on July 9, 2018 (1810.HK). Xiaomi is a consumer electronics and smart manufacturing company with smartphones and smart hardware connected by an IoT platform at its core.
Embracing our vision of “Make friends with users and be the coolest company in the users’ hearts”, Xiaomi continuously pursues innovations, high-quality user experience and operational efficiency. The company relentlessly builds amazing products with honest prices to let everyone in the world enjoy a better life through innovative technology.
Xiaomi is one of the world's leading smartphone companies. The company has also established the world’s leading consumer AIoT (AI+IoT) platform,reached 558 million smart devices connected to its platform (excluding smartphones,laptops and tablets) as of September 30 2022. Xiaomi products are present in more than 100 countries and regions around the world. In August 2022, Xiaomi was included in the Fortune Global 500 list for the fourth year in a row, ranking 266th. The company is the fastest-rising Chinese technology conglomerate during the four-year period.
Xiaomi is a constituent of the Hang Seng Index, Hang Seng China Enterprises Index, Hang Seng TECH Index and Hang Seng China 50 Index.
