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<!DOCTYPE html>
<html>
<head>
<title>Xianwei</title>
<link href="css/main.css" rel="stylesheet" />
</head>
<body class='container'>
<!-- <header>
<h1>This is page heading</h1>
</header> -->
<div class="header" id='header'>
Xianwei ZHANG <font size="4">[<a class="link-body" href="doc/cv_xianweiz.pdf" target="_blank">CV.pdf</a>]</font>
</div>
<table id='BIO'>
<tr>
<td class='fleft middle'>
Associate Professor
<span><br>School of Computer Science & Engineering</span>
<span><br>Sun Yat-sen University </span>
<span><br>Guangzhou, China 510006 </span>
<span><br>Email: <font color="#000046"><b>zhangxw79</b> AT <b>mail.sysu.edu.cn</b></font> </span>
</td>
<td class='fmiddle middle'>
<img src="imgs/me.webp" class='profile' style="width:90px;height=51px"></img>
</td>
<td class='fright middle'>
<!--<img src="imgs/lab.png" class='profile' style="width:180px;height=103px"></img>-->
<!--<span><br>c.v.</span>-->
<span><br><img src="imgs/lab.webp" class='profile' style="width:120px;height=69px"></img></span>
<span><br><a class="link-body" href="https://cse.sysu.edu.cn/teacher/ZhangXianwei" target="_blank">个人主页</a></span> |
<span><a class="link-body" href="#pple">加入我们</a></span>
<!-- <span><br>☑ <a class="link-head" href="#teach">Teaching</a></span> -->
<span><br></span>
</td>
</tr>
</table>
<div class="header" id='myFooter'>
<footer id='banner'>
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<ul>
<li><a class="link-head" href="#">Home</a></li>
<li><a class="link-head" href="#rsch">Research</a></li>
<li><a class="link-head" href="#pple">Team</a></li>
<li><a class="link-head" href="#publ">Publications</a></li>
<li><a class="link-head" href="#teach">Teaching</a></li>
<li><a class="link-head" href="#misc">Misc.</a></li>
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<div class="content">
<a name="about"></a>
<h2 id='section_title'> <span class='highlight'> > About</span></h2>
<p>Hi there! I'm Xianwei, now an Associate Professor (2020 - ) in <a class="link-body" href="https://cse.sysu.edu.cn/">School of Computer Science & Engineering</a> and
<a class="link-body" href="http://nscc-gz.cn/">National Supercomputer Center in Guangzhou</a>/NSCC-GZ at <a class="link-body" href="https://www.sysu.edu.cn/sysuen/">Sun Yat-sen University</a>,
researching on computer systems and architecture towards high-performance and intelligent computing.
<br><br>During 2017-2020, I worked in <a class="link-body" href="https://www.amd.com/en/corporate/research/about.html">AMD Inc.</a> (Research & RTG) on architecture and software designs for compute-optimized GPUs.
Previously, I completed my Ph.D. (2017) in the <a class="link-body" href="http://www.cs.pitt.edu/">Computer Science Department</a> at <a class="link-body" href="http://www.pitt.edu/">University of Pittsburgh</a>, and
<!-- . During 2013-2017, he was working on computer architecture and systems under the supervision of Prof. <a class="link-body" href="https://people.cs.pitt.edu/~zhangyt/">Youtao Zhang</a>, Prof. <a class="link-body" href="https://people.cs.pitt.edu/~childers/">Bruce Childers</a> and Prof. <a class="link-body" href="http://www.pitt.edu/~juy9">Jun Yang</a>. -->
<!-- <br>Before joining Pitt, Xianwei-->
obtained Bachelor's (2011) degree on Software Engineering from <a class="link-body" href="http://en.nwpu.edu.cn/">Northwestern Polytechnical University</a>. <!--He had been research intern and development intern in <a class="link-body" href="https://research.nvidia.com/">Nvidia</a> and <a class="link-body" href="https://intl.alipay.com/">Alibaba</a>, respectively.-->
More info can be found in <!-- <a class="link-other" href="doc/cv/xianwei_zhang-cv.pdf">cv</a> and --> <a class="link-body" href="https://www.linkedin.com/in/xianweizhang">LinkedIn</a>. <!--, or check out my CN-page/<a class="link-body" href="https://cse.sysu.edu.cn/content/5592">中文主页</a>.-->
</p>
<a name="news"></a>
[<font color="Red">✨ <b>News</b></font>]
<font color="#1b4f72">
<br>02/2025: [<font color="#c39bd3">Teach</font>] YatCC-AI with Web and DeepSeek was released. <a class="link-body" href="https://yatcc-ai.com/">Try now</a>!
<br>02/2025: [<font color="#c39bd3">Paper</font>] Two papers got accepted in DAC'2025.
Congrats to <a class="link-body" href="https://huangxt.com/">Xuanteng</a> and <a class="link-body" href="https://github.com/wu-kan">Kan</a>!
<br>01/2025: [<font color="#c39bd3">Paper</font>] One paper got accepted in WWW'2025.
Congrats to <a class="link-body" href="https://yhgu2000.github.io/">Yuhao</a>!
<br>09/2024: [<font color="#c39bd3">Talk</font>] One invited talk was given in Huawei Connect 2024!
<br>09/2024: [<font color="#c39bd3">People</font>] Six new ARCSYSUers joined, welcome on board!
<br>08/2024: [<font color="#c39bd3">Fund</font>] One NSFC research grant was awarded!
<br>07/2024: [<font color="#c39bd3">Fund</font>] Two CCF research funds were awarded! <!--of Huawei<sup>®</sup> and Tencent<sup>®</sup> -->
<br>07/2024: [<font color="#c39bd3">Teach</font>] One CCEC teaching prize was received. Check out <a class="link-body" href="https://yatcc-ai.com/">Yat Compiler</a>!
<!-- <br> more -->
</font>
<a name="rsch"></a>
<h2 id='section_title'> <span class='highlight'> > Research</span></h2>
<p><u>Topics</u>: GPU, Compiling, Memory System, HPC, Intelligent Computing, Simulation/Modeling/Profiling<br>
<u>Grants</u>: National Key R&D Program, NSFC Program, CCF-Tencent<sup>®</sup>/Huawei<sup>®</sup>/Phytium<sup>®</sup> Funds<br>
<br>My research interests lie broadly in hardware and software co-designs to improve the performance, efficiency, scalability and usability of computing systems.
A particular emphasis is on GPU/heterogeneous computing and memory system design through architecture/compiler/runtime/container around the critical aspects of latency, bandwidth and portability, etc.
<!--for future <a class="link-body" href="https://www.exascaleproject.org/activity/pathforward/">Exascale supercomputing</a> and <a class="link-body" href="https://www.amd.com/en/technologies/deep-machine-learning">Intelligent computing</a>. -->
<!--<br>In addition, Xianwei also has broad interests on other system areas/topics, e.g. operating system and compilation, and he is maintaining a tech <a class="link-body" href="http://iarchsys.com">blog</a> to share things, with some being summarized in <a class="link-body" href="pages/notes.html#NOTE">tech notes</a>. -->
<a name="pple"></a>
<br><br> I currently lead the <b><font color="#0000C6">arcSYS</font><font color="#339900">u</font></b> (<a class="link-body" href="https://github.com/arcsysu">ARChitecture and SYStem Upscaling @ SYSU</a>) research team,
which is proudly part of the NSCC-GZ Interdisciplinary Research Center, led by
Prof. <a class="link-body" href="https://cse.sysu.edu.cn/teacher/LuYutong" target="_blank">Yutong Lu</a>
and Prof. <a class="link-body" href="https://cse.sysu.edu.cn/teacher/XiaoNong" target="_blank">Nong Xiao</a>.
In arcSYSu, I fortunately work with a group of wonderful graduate and undergraduate researchers/interns on computing systems.
<br><br>[⭐️ <font color="red"><b>Hiring!</b></font>] Welcome to join us! [详见 <a class="link-body" href="notes/hire_QAs.txt" target="_blank">FAQs</a>]
<!-- <br>The researches are supported by grants from National Key R&D Program of China, National Natural Science Foundation of China, and industrial innovativation funds, etc. -->
<!-- <br>Ongoing projects are:
<br>§ GPU Management and Hw/Sw Co-design
<br>§ HPC Environment and Software Support
<br>§ Compiler Optimization and LLM Inference -->
<br><a class="link-head" href="https://github.com/arcsysu" target="_blank"><img src="imgs/lab.webp" style="width:90px;height=51px"></img></a>
<!-- <br> <u>a</u>rcSYSu <u>r</u>efines <u>c</u>omputing <u>sys</u>tem <u>u</u>ses -->
<br> [people @ <b><font color="#0000C6">a</font></b>rcSYSu, <b><font color="#0000C6">r</font></b>efining <b><font color="#0000C6">c</font></b>omputing <b><font color="#0000C6">sys</font></b>tem <b><font color="#339900">u</font></b>ses] (#: co-advise)
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr bgcolor="#C8C4B3">
<td width="8%"></td> <td width="23%"></td> <td width="23%"></td> <td width="23%"></td> <td width="23%"></td>
</tr>
<tr>
<td><b>2024</b></td>
<td><a class="link-body" href="https://xhx1022.github.io/">Hongxin Xu</a></td>
<td><a class="link-body" href="https://tengyangzh.github.io/">Tengyang Zheng</a><sup>#</sup></td>
<td>Gaojin Sun</td>
<td><a class="link-body" href="https://feifanyulu.github.io/">Lu Wu</a></td>
</tr>
<tr>
<td></td>
<td>Jingyi He</td>
<td>Bingjie Liu</td>
<td></td>
<td></td>
</tr>
<tr>
<td><b>2023</b></td>
<td><a class="link-body" href="https://xi-meng.github.io/">Mengyue Xi</a></td>
<td><a class="link-body" href="https://hhthebest.github.io/">Han Huang</a><sup>#</sup></td>
<td>Wenyuan Liang</td>
<td>Hengzhong Liang</td>
</tr>
<tr>
<td></td>
<td>Wenxuan Pan</td>
<td>Aoyuan Sun</td>
<td>Zhongchun Zheng</td>
<td></td>
</tr>
<tr>
<td><b>2022/21</b></td>
<td><a class="link-body" href="https://huangxt.com/">Xuanteng Huang</a>[phd]<sup>#</sup></td>
<td><a class="link-body" href="https://zeege-0.github.io/">Zejia Lin</a>[phd]</td>
<td><a class="link-body" href="https://gty111.github.io/">Tianyu Guo</a>[phd]</td>
<td><a class="link-body" href="https://yhgu2000.github.io/">Yuhao Gu</a>[phd]<sup>#</sup></td>
</tr>
<tr>
<td></td>
<td><a class="link-body" href="https://www.zhangty15226.com/">Tianyi Zhang</a></td>
<td><a class="link-body" href="https://zwshan.github.io/">Zhaowen Shan<sup></sup></a></td>
<td>Chun-yu Chen</td>
<td><a class="link-body" href="https://github.com/wu-kan">Kan Wu</a>[phd]<sup>#</sup></td>
</tr>
<tr>
<td><b>Ug/RA</b></td>
<td><a class="link-body" href="https://github.com/chengy-sysu">Guanyi Chen</a></td>
<td>Xianjie Chen</td>
<td>Junru Chen</td>
<td>Yunhao Han</td>
</tr>
<tr>
<td></td>
<td>Xin Huang</td>
<td>Yibin Luo</td>
<td>Zheng Zhou</td>
<td><a class="link-body" href="https://chen-hq.site/aboutme/">Haoquan Chen</a></td>
</tr>
<tr>
<td></td>
<td><a class="link-body" href="https://ouyangyipeng.github.io/">Yipeng Ouyang</a></td>
<td></td>
<td></td>
<td></td>
</tr>
<!--<tr>
<td><b>2021</b></td>
<td><a class="link-body" href="https://github.com/wu-kan">Kan Wu</a>[phd]<sup>#</sup></td>
<td>Yinchuan Guo<sup></sup></td>
<td>Lianghong Huang<sup></sup></td>
<td></td>
</tr>-->
<tr>
<td><b>Alum.</b></td>
<td colspan="2"><a class="link-body" href="https://getianao.github.io/">Tianao Ge</a> (ms22, phd@Hkust-gz)</td>
<td colspan="2"><a class="link-body" href="https://mozewei.github.io/">Zewei Mo</a> (ms22, Intel->phd@upitt)</td>
</tr>
<tr>
<td></td>
<td colspan="2"><a class="link-body" href="https://www.linkedin.com/in/%E8%B7%83-%E7%BF%81-b56005234/">Yue Weng</a> (ms23, Nvidia)<sup>#</sup></td>
<td colspan="2">Yinchuan Guo (ms24, Huawei)</td>
</tr>
<td></td>
<td colspan="2">Lianghong Huang (ms24, MetaX)</td>
<td colspan="2"></td>
</tr>
</table>
<a name="publ"></a>
<h2 id='section_title'> <span class='highlight'> > Publications</span></h2>
<p>
[ see <a class="link-other" href="pages/pub.html" target="_blank">full publication list</a> ]
[ <a class="link-other" href="https://scholar.google.com/citations?user=k9_kXbQAAAAJ&hl=en"><img src="imgs/pub-scholar.webp" style="height:15px"></img></a>,
<a class="link-other" href="https://dblp.org/pid/135/8227-1.html"><img src="imgs/pub-dblp.webp" style="height:18px"></img></a>,
<a class="link-other" href="https://orcid.org/0000-0003-3507-4299"><img src="imgs/pub-orcid.webp" style="height:15px"></img></a>
]
<br>§ [DAC'25]. X. Huang, J. Du, N. Xiao and <span class='me'>X. Zhang</span>, <a class="link-body" href="#"> PaSK: Cold Start Mitigation for Inference with Proactive and Selective Kernel Loading on GPUs</a>
<br>§ [DAC'25]. K. Wu, Z. Lin, M. Xi, Z.. Zheng, W. Pan, <span class='me'>X. Zhang</span> and Y. Lu, <a class="link-body" href="#">GoPTX: Fine-grained GPU Kernel Fusion by PTX-level Instruction Flow Weaving</a>
<br>§ [WWW'25]. Y. Gu, C. Chen, J. Du, X. Zhang and <span class='me'>X. Zhang</span>, <a class="link-body" href="doc/papers/orfa_www25.pdf"> ORFA: Exploring WebAssembly as a Turing Complete Query
Language for Web APIs</a>
<br>§ [DAC'24]. T. Guo, X. Huang, K. Wu, <span class='me'>X. Zhang</span> and N. Xiao, <a class="link-body" href="doc/papers/smile_dac24.pdf"> SMILE: LLC-based Shared Memory Expansion to Improve GPU Thread Level Parallelism</a>
<br>§ [LCTES'24]. Z. Lin, A. Sun, <span class='me'>X. Zhang</span> and Y. Lu, <a class="link-body" href="doc/papers/mixpert_lctes24.pdf"> MixPert: Optimizing Mixed-precision Floating-point Emulation on GPU Integer Tensor Cores</a>
<br>§ [ICCD'23]. Z. Lin, Z. Mo, X. Huang, <span class='me'>X. Zhang</span> and Y. Lu, <a class="link-body" href="doc/papers/kesco_iccd23.pdf"> KeSCo: Compiler-based Kernel Scheduling for Multi-task GPU Applications</a>
<br>§ [LCTES'22]. T. Ge, Z. Mo, K. Wu, <span class='me'>X. Zhang</span> and Y. Lu, <a class="link-body" href="doc/papers/rollbin_lctes22.pdf"> RollBin: Reducing Code-size via Loop Rerolling at Binary Level</a>
<!-- <br>§ [MEMSYS'20]. <span class='me'>X. Zhang</span> and E. Shcherbakov, <a class="link-body" href="doc/papers/delta_memsys20.pdf">DELTA: Validate GPU Memory Profiling with Microbenchmarks</a>
<br>§ [IISWC'19]. T. Ta, <span class='me'>X. Zhang</span>, A. Gutierrez and B. Beckmann, <a class="link-body" href="doc/papers/tester_iiswc19.pdf">Autonomous Data-Race-Free GPU Testing</a>
<br>§ [HPCA'18]. A. Gutierrez, B. Beckmann, A. Dutu, J. Gross, M. LeBeane, J. Kalamatianos, O. Kayiran, M. Poremba, B. Potter, S. Puthoor, M. Sinclair, M. Wyse, J. Yin, <span class='me'>X. Zhang</span>, A. Jain, and T. Rogers. <a class="link-body" href="https://ieeexplore.ieee.org/document/8327041">Lost in Abstraction: Pitfalls of Analyzing GPUs at the Intermediate Language Level</a>.
<br>§ [PACT'17]. <span class='me'>X. Zhang</span>, Y. Zhang, B. Childers and J. Yang, <a class="link-body" href="doc/papers/drmp_pact17.pdf">DrMP: Mixed Precision-aware DRAM for High Performance Approximate and Precise Computing</a>
<br>§ [HPCA'16]. <span class='me'>X. Zhang</span>, Y. Zhang, B. Childers and J. Yang, <a class="link-body" href="doc/papers/restore_hpca16.pdf">Restore Truncation for Performance Improvement in Future DRAM Systems</a> -->
</p>
<a name="teach"></a>
<h2 id='section_title'> <span class='highlight'> > Teaching</span></h2>
<p>
<a class="link-head" href="https://yatcc-ai.com/" target="_blank"><img src="imgs/teach.webp" style="width:60px;height=36px"></img></a>
<font color="#339900"><b>Yat C</b></font>ompilation <font color="#339900"><b>C</b></font>ourse<br>
- <b>Undergraduate</b>
<br>§ DCS290/292 - <a class="link-body" href="https://yatcc-ai.com/">Compilation Principle & Construction</a>,
[25s, 24s, 23s, 22s, 21s]
(<img src="imgs/vid_icon.webp" height=20 /> <a class="link-other" href="https://space.bilibili.com/3546650047941291?spm_id_from=333.788.0.0" target="_blank">Yat-Compiler</a>).
<br>§ DCS3013 - Computer Architecture, [<a class="link-body" href="https://arcsysu.github.io/teach/dcs3013/f2022.html">22f</a>].
<br>
- <b>Graduate</b>
<br>§ DCS5637/6207 - Advanced Computer Architecture, [24f, 23f, <a class="link-body" href="https://arcsysu.github.io/teach/dcs5637/f2022.html">22f</a>, <a class="link-body" href="teach/dcs5637/f2021.html">21f</a>].
</p>
<a name="misc"></a>
<h2 id='section_title'> <span class='highlight'> > Miscellaneous</span></h2>
<p>
- <b>Honors/Awards</b>
<br> § [2024] CCF-CCEC Teaching Prize
<br> § [2022] CAST Sci&Tech Young Talent Program
<br> § [2019] AMD<sup>®</sup> Spotlight Award
<br> § [2016] Andrew Mellon Fellowship
<br> § [2013] Best Paper Award of ISLPED
<!-- <br> § [2009] Tencent<sup>®</sup> Technology Excellence Scholarship-->
<br> - <b>Services</b>
<br> § [TPC] CCGrid'2025, IJCNN'2025, NAS'2024, NPC'2024, HiPC'2024/2023/2022, ICPADS'2022
<br> § [ERC] MICRO (IEEE/ACM Int'l Sym. on Microarchitecture) - 2020
<br> § [TPC] ICCD (IEEE Int’l Conf. on Computer Design) - 2020, 2019, 2018
<!-- <br> - <b>Talks</b>
<br> § HC24, ISC24, NEA Symposium23, CNCC23 -->
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