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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>Zsolt István's Homepage</title>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<link rel="stylesheet" type="text/css" href="style.css" media="screen" />
</head>
<body>
<div id="wrap">
<div id="top">
<h2>Zsolt István</a></h2>
<div id="menu">
<ul>
<li><a href="#showresearch">Research</a></li>
<li><a href="#showteaching">Teaching</a></li>
<li><a href="https://www.informatik.tu-darmstadt.de/systems">Systems@TUDa</a></li>
</ul>
</div>
</div>
<div id="content">
<div id="left">
<a href="#showresearch" class="showres" id="showresearch"/>
<a href="#showteaching" class="showteach" id="showteaching"/>
<div class="research">
<a id="news"></a>
<h1>News</h1>
<span style="background:#FFEEEE;font-size:14px">There is a fresh batch of BSc/MSc topics that connect directly to our ongoing research projects. Check them out here: <a href="teaching/thesis/2026-thesis-offers.html">[list of topics]</a>
</span>
<h1 id="research">Research profile</h1>
<p>The fundamental question I want to answer in my research is <b>how to use specialization to make distributed systems and data processing operations more efficient in the datacenter</b>. In my work, I aim to achieve the goals described in the <a href=doc/nope-manifesto.pdf><b>[NOPE Manifesto]</b></a>.</p>
<p>See a selection of presentations about my work on this <a href="https://www.youtube.com/playlist?list=PLIacQiJh2IzHXZwKViQOcfGs3TeIttoT4">[YouTube playlist]</a>:</p>
<iframe width="640" height="300" src="https://www.youtube.com/embed/videoseries?list=PLIacQiJh2IzHXZwKViQOcfGs3TeIttoT4" title="YouTube video player" frameborder="0" allow="accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<!--<a id="research"></a>
<p>
My research history: My <a href="https://www.research-collection.ethz.ch/handle/20.500.11850/266096">dissertation</a> explored how we can reduce data movement bottlenecks in large distributed systems by pushing computation closer to storage. The outcome is <b>Caribou</b>: a distributed key-value store that runs entirely on FPGAs. It provides replication for fault tolerance and near-data filtering while meeting the network's line-rate requirements. Caribou is <a href="https://github.com/fpgasystems/caribou">open source</a> and can be used as a starting point for exploring near-data processing for emerging workloads.</p>
-->
<h1>Working with me</h1>
<!--<p>
<div style="background:#ecf4b0" id="openpositions">
If you're looking for a PhD position: Even though there are no open positions being advertised at the moment, feel free to reach out in an email (include the usual documents).
<br><br>
If you're looking for a BSc/MSc thesis topic: see here <a href="teaching/thesis/sose23-thesis-offers.html"> an example of topics</a> in the group.
<br><br>
More information about positions and theses can be found on <a href="https://www.informatik.tu-darmstadt.de/systems">the Systems @ TU Darmstadt website.</a>
</div>
</p>
-->
<!--<h2>PhD Students and PostDocs</h2> -->
<!--<ul>
<li><a>Faeze Faghih</a> -- PhD student since Spring 2022</li>
<li><a>Lukas Stasytis</a> -- PhD student since Summer 2022</li>
<li><a>Girish Kotre</a> -- PhD student since Autumn 2022</li>
<li><a>Long Gu</a> -- PhD student since Autumn 2022</li>
</ul>
<h2>MSc and BSc Students</h2>
<ul>
<li><a>Martin Vierengel</a> -- Master Thesis Spring-Summer 2022 </li>
<li><a>Yassin Samir</a> -- Master Thesis Autumn-Winter 2022</li>
<li><a>Ritesh Shrestha</a> -- Bachelor Thesis Autumn-Winter 2022</li>
</ul>-->
<p>
<b>PhD students I currently supervise</b>:
You can find the current list of researchers working in the group by navigating to the <a href="https://www.informatik.tu-darmstadt.de/systems/systems_tuda/group/index.en.jsp">[Systems Group website]</a>.
</p>
<p>
<b>If you're looking for a PhD position</b>: Even though there are no open positions being advertised at the moment, feel free to reach out in an email (include the usual documents).
</p>
<p>
<b>If you're looking for a BSc/MSc thesis topic</b>: Here is a <a href="teaching/thesis/2026-thesis-offers.html">[list of topics]</a> under my supervision. More information about positions and theses can be found on <a href="https://www.informatik.tu-darmstadt.de/systems">[the group website]</a>.
<p>
~</p>
<p>
From the time before my TU Darmstadt affiliation: <a href="#previously">[List of alumni in my group]</a>
</p>
<a id="publications"></a>
<h1>Publications (not updated regularly)</h1>
🚨 For the most up to date list, please see: <a href="https://scholar.google.es/citations?user=lYvE47UAAAAJ&hl=es&oi=ao">[my profile on Google Scholar]</a>
<p>  2023</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b> Optimization Techniques for Hestenes-Jacobi SVD on FPGAs.</b>
L. Stasytis, Zs. István. <i>33rd International Conference on Field-Programmable Logic and Applications, September 2023</i> <a href="">[to appear]</a>
</p>
<p><img src="img/jour.png" style="width:52px" alt="Journal"> <b>A Survey of Trusted Computing Solutions Using FPGAs.</b>
P. Rosero-Montalvo; Zs. István; W. Hernandez. <i>IEEE Access 11: 31583-31593 (2023).</i> <a href="https://ieeexplore.ieee.org/document/10080920">[pdf]</a> </a>
</p>
<p><img src="img/jour.png" style="width:52px" alt="Journal"> <b>Hybrid Anomaly Detection Model on Trusted IoT Devices.</b>
P. Rosero-Montalvo; Zs. István; P. Tözün; W. Hernandez. <i>IEEE Internet of Things Journal (Early Access).</i> <a href="https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10039052">[pdf]</a> </a>
</p>
<p>  2022</p>
<p><img src="img/wsop.png" style="width:52px" alt="Misc."> <b>A Short Study of Recent Smart Storage Solutions for OLAP: Lessons and Opportunities.</b>
F. Faghih, Zs. István, F. Dinu. <i>13th International Workshop on Accelerating Analytics and Data Management Systems Using Modern Processor and Storage Architectures @ VLDB 2022 </i> <a href="doc/adms22-faghih.pdf">[pdf]</a>
</p>
<p><img src="img/wsop.png" style="width:52px" alt="Misc."> <b>Always-trusted IoT -- Making IoT Devices Trusted with Minimal Overhead.</b>
Zs. István, P. Rosero, P. Bonnet. <i>5th Workshop on System Software for Trusted Execution (SysTEX@ASPLOS'22) </i> <a href="doc/systex22-workshop.pdf">[pdf]</a>
</p>
<p>  2021</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>StreamChain: Building a Low-Latency Permissioned Blockchain For Enterprise Use-Cases.</b> L. Kuhring, Z. István, A. Sorniotti, M. Vukolic. <i> The 4th IEEE International Conference on Blockchain
Melbourne, Australia, 2021.</i> <a href="doc/streamchain-bc21.pdf">[pdf]</a></p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>In-Storage Computation of Histograms with Differential Privacy.</b> A. Tosa, A. Hangan, G. Sebestyen, Z. István.<i>International Conference on Field-Programmable Technology (FPT'21), 2021.</i> <a href="doc/dp-histogram-fpt21.pdf">[pdf]</a></p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b> An Experimental Framework for Improving the Performance of BFT Consensus For Future Permissioned Blockchains</b>
M. Sit, M. Bravo, Zs. István. <i>The 15th ACM International Conference on Distributed and Event-based Systems (DEBS'21), July 2021</i> <a href="doc/debs21-mksit.pdf">[pdf]</a> <a href="https://github.com/zistvan/ModuBFT">[repository]</a>
</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b> The Case for Adding Privacy-Related Offloading to Smart Storage</b>
C. Mihali, A. Hangan, G. Sebestyen, Zs. István. <i>The 14th ACM International Systems and Storage Conference (SYSTOR'21), June 2021</i> <a href="doc/systor21-cmihali.pdf">[pdf]</a>
</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Software-Defined Data Protection: Low Overhead Policy Compliance at the Storage Layer is Within Reach! (Vision Paper)</b>
Zs. István, S. Ponnapalli, V. Chidambaram. <i>Proceedings of VLDB, Volume 14, No. 7, March 2021</i> <a href="http://vldb.org/pvldb/vol14/p1167-istvan.pdf">[pdf]</a> <a href="https://arxiv.org/abs/2008.04936">[early version on arXiv]</a>
</p>
<p><img src="img/misc.png" style="width:52px" alt="Misc."> <b>Very Short Primer on Blockchain Technology for Database Researchers (Part of a Tutorial at EDBT'21) </b>
Zs. István.<i>24th International Conference on Extending Database Technology (EDBT'21), Nicosia, Cyprus, 2021. </i> <a href="https://openproceedings.org/2021/conf/edbt/p308.pdf">[pdf]</a>
</p>
<p>  2020</p>
<!--<p><img src="img/misc.png" style="width:52px" alt="Misc."> <b>Towards Software-Defined Data Protection: GDPR Compliance at the Storage Layer is Within Reach.</b>
Zs. István, S. Ponnapalli, V. Chidambaram. <i>Technical Report on arXiv (2008.04936), August 2020</i> <a href="https://arxiv.org/abs/2008.04936">[pdf]</a>
</p>!-->
<p><img src="img/misc.png" style="width:52px" alt="Misc."> <b>Towards Improving the Performance of BFT Consensus For Future Permissioned Blockchains.</b>
M. Bravo, Zs. István, MK. Sit. <i>Technical Report on arXiv (2007.12637), July 2020</i> <a href="https://arxiv.org/abs/2007.12637">[pdf]</a><a href="https://youtu.be/ZcwvWSC3No8">[talk at SPMA@EuroSys20 workshop]</a>
</p>
<p><img src="img/book.png" style="width:52px" alt="Misc."> <b>FPGA-Accelerated Analytics: From Single Nodes to Clusters.</b>
Zs. István, K. Kara, D. Sidler. <i>Now Publishers Foundations and Trends in Databases</i>, to appear later in 2020 [draft manuscript available for free on request]
</p>
<p><img src="img/wsop.png" style="width:52px" alt="Workshop"> <b>Let’s Add Transactions to FPGA-based Key-Value Stores!</b>
Zs. István. <i>16th International Workshop on Data Management on New Hardware (DAMON) held with ACM SIGMOD/PODS 2020.</i> <a href="https://dl.acm.org/doi/pdf/10.1145/3399666.3399909">[pdf]</a>
</p>
<!--<p><img src="img/misc.png" style="width:52px" alt="Misc."> <b>Acceleration Opportunities for BFT Consensus in Datacenter-like Environments.</b>
M. Bravo, Zs. István, M.K. Sit. <i>10th Workshop on Systems for Post-Moore Architectures co-located with EuroSys'20 (No Proceedings)</i>
<a href="https://youtu.be/ZcwvWSC3No8">[talk at workshop]</a>
</p>-->
<p><img src="img/misc.png" style="width:52px" alt="Misc."> <b>StreamChain: Rethinking Blockchain for Datacenters.</b>
L. Kuhring, Zs. István, A. Sorniotti, M. Vukolić. <i>Technical Report on arXiv (1808.08406), Feb. 2020</i> <a href="https://arxiv.org/abs/1808.08406">[pdf]</a>
</p>
<p>  2019</p>
<p><img src="img/wsop.png" style="width:52px" alt="Workshop"> <b>Specialize in Moderation -- Building Application-aware Storage Services using FPGAs in the Datacenter.</b>
L. Kuhring, E. Garcia, Zs. István. <i>11th USENIX Workshop on Hot Topics in Storage and File Systems (HotStorage'19), Renton, WA, USA, July 2019.</i> <a href="https://www.usenix.org/conference/hotstorage19/presentation/kuhring">[pdf and slides]</a>
</p>
<p><img src="img/jour.png" style="width:52px" alt="Journal"> <b>doppioDB 1.0: Machine Learning inside a Relational Engine.</b>
G. Alonso, Zs. István, K. Kara, M. Owaida, D. Sidler. <i>IEEE Data Engineering Bulletin, June 2019.</i> <a href="http://sites.computer.org/debull/A19june/p19.pdf">[pdf]</a> </a>
</p>
<p><img src="img/misc.png" style="width:52px" alt="Misc."> <b>Something New Under The Sun: Thoughts on Optimizing the Performance of Blockchains. (Position paper).</b>
Zs. István. <i>9th Workshop on
Systems for Multi-core and Heterogeneous Architectures co-located with EuroSys'19 (No Proceedings), Dresden, DE, 2019.</i> <a href="https://sites.google.com/site/sfma2019eurosys/Program/sfma-blockchain-opportunities-istvan.pdf?attredirects=0">[pdf]</a>
</p>
<p><img src="img/jour.png" style="width:52px" alt="Journal"> <b>The Glass Half Full: Using Programmable Hardware Accelerators in Analytics.</b>
Zs. István. <i>IEEE Data Engineering Bulletin, March 2019.</i> <a href="http://sites.computer.org/debull/A19mar/p49.pdf">[pdf]</a> <a href="doc/debull-talk-s3seminar.pdf">[slides: IMDEA seminar]</a>
</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Design Patterns for Code Reuse in HLS Packet Processing Pipelines.</b>
H. Eran, L. Zeno, Zs. István and M. Silberstein. <i>27th IEEE International Symposium on Field-Programmable Custom Computing Machines (FCCM'19), San Diego, USA, 2019.</i> <a href="doc/ntl-fccm19.pdf">[pdf]</a>
</p>
<p>  2018</p>
<p><img src="img/wsop.png" style="width:52px" alt="Workshop"> <b>StreamChain: Do Blockchains Need Blocks? (Workshop).</b>
Zs. István, A. Sorniotti, M. Vukolić. <i>2nd Workshop on Scalable and Resilient Infrastructures for Distributed Ledgers (SERIAL 2018)</i> <a href="doc/serial18-streamchain.pdf">[pdf]</a> <a href="doc/serial18-streamchain-slides.pdf">[slides]</a><!-- <a href="https://arxiv.org/abs/1808.08406">[arXiv]</a>-->
</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Providing Multi-tenant Services with FPGAs: Case Study on a Key-Value Store.</b> 
Zs. István, G. Alonso. A. Singla. <i>28th International Conference on Field Programmable Logic and Applications (FPL'18), Dublin, Ireland, August 2018.</i> <a href="doc/multes-fpl18.pdf">[pdf]</a> <a href="doc/multes-fpl18-slides.pdf">[slides]</a><br/>Code on Github: <a href="https://github.com/fpgasystems/caribou/tree/multes">[code]</a></p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>A Flexible K-Means Operator for Hybrid Databases.</b> 
Z. He, D. Sidler, Zs. István, G. Alonso. <i>28th International Conference on Field Programmable Logic and Applications (FPL'18), Dublin, Ireland, August 2018</i>. <a href="doc/kmeans-fpl18.pdf">[pdf]</a></p>
<p><img src="img/jour.png" style="width:52px" alt="Journal"> <b>Active Pages 20 Years Later: Active Storage for the Cloud.</b> 
Zs. István, D. Sidler, G. Alonso. <i>In IEEE Internet Computing July/Aug 2018</i>. <a href="https://ieeexplore.ieee.org/document/8424116/">[pdf]</a> </p>
<p>  2017</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Caribou: Intelligent Distributed Storage</b>. Zs. Istvan, D. Sidler, G. Alonso. <i>To appear in VLDB 2017, Munich, Germany.</i> <a href="doc/p1286-istvan.pdf">[pdf]</a> <a href="doc/vldb17-caribou-slides.pdf">[slides]</a>
</br>Resources for the larger project: <a href="https://github.com/fpgasystems/caribou">[Code on Github]</a> <a href="https://www.youtube.com/watch?v=07zuIZD0oY4&feature=youtu.be">[Short Video]</a>
</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Accelerating Pattern Matching Queries in Hybrid CPU-FPGA Architectures</b>. D. Sidler, Zs. Istvan, M. Ewaida, G. Alonso. <i>2017 ACM SIGMOD/PODS Conference (SIGMOD'17), Chicago, US. </i><a href="http://www.davidsidler.ch/files/sigmod17-patternmatching.pdf">[pdf]</a>
</p>
<p>  2016</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Low-Latency TCP/IP Stack for Data Center Applications</b>. D. Sidler, Zs. Istvan, G. Alonso. <i>26th International Conference on Field Programmable Logic and Applications (FPL'16), Lausanne, Switzerland, September 2016.</i> <a href="http://davidsidler.ch/files/fpl16-lowlatencytcpip.pdf">[pdf]</a> 
</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Runtime Parameterizable Regular Expression Operators for Databases</b>. Zs. Istvan*, D. Sidler*, G. Alonso. (*=equal contribution).  <i>The 24th IEEE International Symposium on
Field-Programmable Custom Computing Machines (FCCM'16), May 2016.</i> <a href="doc/regex-fccm2016.pdf">[pdf]</a> 
</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Consensus in a Box: Inexpensive Coordination in Hardware</b>. Zs. Istvan, D. Sidler, G. Alonso, M. Vukolic. <i>13th USENIX Symposium on Networked Systems Design and Implementation (NSDI '16), March 2016.</i> <a href="doc/nsdi16-istvan-rev1.pdf">[pdf]</a> <a href="https://youtu.be/TVChWma65_4?list=PLtP6cREytnDiZfdwnnZ_YXleO0JWKtAHS">[slides+audio]</a> <a href="https://www.usenix.org/conference/nsdi16/technical-sessions/presentation/istvan">[slides]</a></p>
<p>  2015</p>
<p><img src="img/jour.png" style="width:52px" alt="Journal"> <b>A Hash Table for Line Rate Data Processing</b>. Zs. Istvan, G. Alonso, M. Blott, K. Vissers. <i>ACM Transactions on Reconfigurable Technology and Systems (TRETS) - Special FPL'13 Issue, March 2015.</i> <a href="doc/trets15-istvan.pdf">[pdf]</a></p>
<p>  2014</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Ibex -- An Intelligent Storage Engine with Support for Advanced SQL Off-loading</b>. L. Woods, Zs. Istvan, G. Alonso. <i>VLDB 2014, Hangzhou, China, September 2014.</i> <a href="http://www.vldb.org/pvldb/vol7/p963-woods.pdf">[pdf]</a></p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Histograms as a Side Effect of Data Movement for Big Data</b>. Zs. Istvan, L. Woods, G. Alonso. <i>2014 ACM SIGMOD/PODS Conference (SIGMOD'14), Snowbird, Utah, US.</i> <a href="doc/sigmod14-istvan.pdf">[pdf]</a></p>
<p>  2013</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>A Flexible Hash Table Design For 10Gbps Key-value Stores on FPGAs</b>. Zs. Istvan, G. Alonso, M. Blott, K. Vissers. <i>23rd International Conference on Field Programmable Logic and Applications (FPL'13), Porto, Portugal, 2-4 September 2013.</i> <a href="doc/paperM3C_3.pdf">[pdf]</a></p>
<p><img src="img/wsop.png" style="width:52px" alt="Workshop"> <b>Achieving 10Gbps Line-rate Key-value Stores with FPGAs</b>. M. Blott, K. Karras, L. Liu, K. Vissers, Zs. Istvan, J. Bar. <i>5th
USENIX Workshop on Hot Topics in Cloud Computing (HotCloud'13),
San Jose, CA, 25-26 June 2013.</i> <a href="http://0b4af6cdc2f0c5998459-c0245c5c937c5dedcca3f1764ecc9b2f.r43.cf2.rackcdn.com/11566-hotcloud13-blott.pdf">[pdf]</a> <a href="https://www.usenix.org/sites/default/files/conference/protected-files/blott_hotcloud13_slides.pdf">[slides]</a></p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Multi-threaded Active
Objects</b>. L. Henrio, F. Huet, Zs. Istvan. <i>15th International Conference on Coordination
models and Languages (COORDINATION 2013), Firenze, Italy, 3-5
June 2013.</i> <a href="http://link.springer.com/chapter/10.1007%2F978-3-642-38493-6_7">[pdf]</a></p>
<p>  2011</p>
<p><img src="img/conf.png" style="width:52px" alt="Conference"> <b>Adapting Active Objects to Multicore Architectures</b>. L. Henrio, F. Huet, Zs. Istvan, G. Sebestyen. <i>International Symposium on Parallel and
Distributed Computing (ISPDC 2011).</i> <a href="http://hal.inria.fr/docs/00/64/41/69/PDF/Macro2011.pdf">[pdf]</a>
</p>
<h1>Patents</h1>
<p><b>Systems and Methods for Providing Distributed Tree Traversal Using Hardware-Based Processing
(US 20160147779 A1)</b>. Kenneth H. Eguro, Zsolt Istvan, Arvind Arasu, Ravishankar Ramamurthy, Kaushik Shriraghav. Patent application filed 11/26/14.</p>
<!-- <p>2010</p>
<p> <b>Gathering Entropy at Large Scale with HAVEGE and
BlobSeer</b>. A. Suciu, B. Nicolae, G. Antoniu, Zs. Istvan,
I. Szakats. <i>Automat. Comput. Appl. Math.19, 3-11, MEDIAMIRA
Science Publisher, 2010</i>
</p> -->
<h1>Demos, Posters, Various</h1>
<p><b>Extend, not Just Accelerate!</b> Fresh Thinking Talk at DAMON workshop @ SIGMOD 2021. <a href="doc/istvan-freshthinking-damon.pdf">[slides]</a> <br/>
<p><b>In-Storage Data Transformations for Enforceable Privacy</b> <br/><a href="https://gitlab.software.imdea.org/zistvan-public/eurosys20-poster-privacy/-/blob/master/submission.pdf">[Poster]</a> <a href="https://gitlab.software.imdea.org/zistvan-public/eurosys20-poster-privacy/-/blob/master/presentation_video.mp4">[1 min. teaser]</a> for <i>European Conference on Computer Systems (EuroSys'20), Crete, Greece, April 2020.</i></p>
<p><b>FPGA-Based Distributed Storage for Parquet Files</b> <br/>
<a href=doc/p991-istvan.pdf>[Demo]</a> for <i>45th International Conference on Very Large Data Bases (VLDB'19), LA, August 2019.</i><br/>
<a href=doc/fpl-parquetstore-demo.pdf>[Demo]</a> for <i>29th International Conference on Field Programmable Logic and Applications (FPL'19), Barcelona, September 2019.</i></p>
<p><b>Enzian: a Research Computer for Datacenter and Rackscale Computing.</b> <br/>
Poster for <i>European Conference on Computer Systems (EuroSys'18), Porto, Portugal.</i></p>
<p><b>Caribou: A Platform for Building Smart Storage</b> <br/><a href="doc/eurosys17-caribou-poster.pdf">[Poster]</a> for <i>European Conference on Computer Systems (EuroSys'17), Belgrade, Serbia, 24-26 April 2017.</i></p>
<p><b>doppioDB: A Hardware Accelerated Database</b><br/><a href="doc/doppiodb-sigmod17-demo.pdf">[Demo]</a><a href="doc/doppiodb-sigmod17-demoposter.pdf">[Poster]</a> for <i>SIGMOD 2017, Chicago IL, 2017</i>
<p> <b>Specialized Microservers for the Data Center</b><br/> <a href="http://eurosys2015.labri.fr/posters/p26.pdf">[Poster]</a> for <i>European Conference on Computer Systems (EuroSys'15), Bordeaux, France, 21-24 March 2015.</i>
<br/>
<a href="doc/fpl2015-demo-poster.pdf">[Demo]</a> for <i>25th International Conference on Field Programmable Logic and Applications (FPL'15), London, UK, September 2015.</i>
</p>
<p>
<b>Hybrid FPGA-accelerated SQL Query Processing</b> <br/><a href="doc/fpl13-ibex-demo.pdf">[Demo]</a> for <i>23rd International Conference on Field Programmable Logic and Applications (FPL'13), Porto, Portugal, 2-4 September 2013.</i>
</p>
<h1>Service and Events</h1>
<p>
Organization:
<ul>
<li><a href="https://2024.eurosys.org/">ShadowPC Co-Chair for EuroSys'24</a></li>
<li><a href="https://vldb.org/summerschool/2024/">Co-organizer of the VLDB Summer School in Cluj-Napoca 2024</a></li>
<li><a href="https://vldb.org/summerschool/2023/">Co-organizer of the VLDB Summer School in Cluj-Napoca 2023</a></li>
<li><a href="https://2022.debs.org/">Publicity co-chair for DEBS'22</a></li>
<li><a href="https://sites.google.com/View/spma2022eurosys/">Co-chairing SPMA Workshop @Eurosys'22</a></li>
<li><a href="https://2021.eurosys.org/calls-for-workshops.html#workshop-dates">Workshop co-chair for EuroSys'21</a></li>
<li><a href="https://serial.ibr.cs.tu-bs.de/serial20/index.html">Co-chairing SERIAL Workshop @Middleware'20</a></li>
<li><a href="https://sites.google.com/View/spma2020eurosys/">Co-chairing SPMA Workshop @Eurosys'20</a></li>
<li><a href="https://serial.ibr.cs.tu-bs.de/serial19/index.html">Co-chairing SERIAL Workshop @Middleware'19</a></li>
<li><a href="https://sites.google.com/site/sfma2019eurosys/">Co-chairing SFMA Workshop @Eurosys'19</a></li>
<li><a href="middleware18/index.html">Co-organized birds of a feather session @Middleware'18.</a></li>
</ul>
</p>
<p>
Reviewing (can be out of date and incomplete):
<br/>
Sigmod'24, EuroSys'24, CIDR'24, FCCM'24, DAMON Workshop'23, ATC'23, FCCM'23, SIGMOD'23, ASAP'23, ATC'22, Middleware'22, EuroSys'22, VLDB'22, EDBT'22, ANCS'21, SIGMOD'21, EDBT'21, HotCloud'20, SRDS'20, ASPLOS'20 (light), FCCM'20, EDBT'20, EuroSys Doctoral Workshop 2020 and 2019.
<br/>
Invited reviews for ACM TACO and IEEE TKDE journals.
</p>
<br/>
<h1 id="previously">Previously working with me...</h1>
Students/Researchers I supervised up to/around my move to TU Darmstadt in Fall 2021 (if you are looking for alumni since then, please see the <a href="https://www.informatik.tu-darmstadt.de/systems/systems_tuda/group/index.en.jsp">Systems Group website</a>):
<ul>
<li><a>Mustafa Bayindir</a> -- Bachelor Thesis Spring-Summer 2022</li>
<li><a>Maximilian Huettner</a> -- Master Thesis Spring-Summer 2022</li>
<li><a>Duc Ming Nguyen</a> -- Master Thesis Spring-Summer 2022</li>
<li><a href="https://sites.google.com/view/paul-rosero-montalvo/principal">Paul David Rosero</a> -- PostDoc at ITU, 2021-2022 (together with Pinar Tozun)</li>
<li><a>Yang Shan </a> -- Master's Thesis Winter-Spring 2022 at TUDa</li>
<li><a>Malou Landsgaard, Gustav Johansen, Lukas Offenberg</a> -- Bachelor's Thesis Spring 2022 at ITU</li>
<li><a>Neil Nielsen and Robert Bayer</a> -- Semester Project Autumn 2021, Bachelor Thesis at ITU until May 2021 (with Pinar Tozun)</li>
<li><a>Mircea Murasan</a> -- Master Thesis at ITU until September 2021 (with Bernardo Machado)</li>
<li><a href="https://www.linkedin.com/in/paula-benedec-004407153/">Paula Benedec</a> -- Bachelor Thesis at UTCN, RO until July 2021 (with A. Hangan and G. Sebestyen-Pal)</li>
<li><a href="https://www.linkedin.com/in/andrei-tosa-b212ab159/">Andrei Tosa</a> -- Bachelor Thesis at UTCN, RO until July 2021 (with A. Hangan and G. Sebestyen-Pal)</li>
<li><a>Jonas Aargard</a> -- Bachelor Thesis at ITU until May 2021 (with Philippe Bonnet)</li>
<li><a href="">Claudiu Mihali</a> -- BSc Thesis at UTCN, RO, June 2020 (with A. Hangan and G. Sebestyen-Pal)</li>
<li><a href="https://www.linkedin.com/in/mustapha-bouhali-610692b4/">Mustapha Bouhali</a> -- Visting PhD student (ENP Oran, DZ) </li>
<li><a href="https://www.linkedin.com/in/samuel-garc%C3%ADa-haro-129781113/">Samuel Garcia</a> -- BSc. until May 2020 (UPM, ES)</li>
<li><a href="https://www.linkedin.com/in/man-kit-sit-163972126/?originalSubdomain=hk">Man-Kit Sit</a> -- PhD intern until Apr. 2020 (ICL, UK)</li>
<li><a href="https://www.linkedin.com/in/lukas-stasytis-7aa089131/">Lukas Stasytis</a> -- BSc. intern until Dec. 2019 (KTU, LI)</li>
<li><a href="https://www.linkedin.com/in/lucas-kuhring-727503159/">Lucas Kuhring</a>, <a href="https://www.linkedin.com/in/srivatsanln/">Srivatsan Lakshminarayanan</a> -- MSc. thesis until June 2019 (UPM, ES)</li>
<li><a href="https://www.linkedin.com/in/matei-istoan-95351839/">Matei Istoan</a> -- Visiting Post-Doc until April 2019 (ICL, UK)</li>
<li><a href="https://www.linkedin.com/in/eva-garcia-oca%C3%B1a/">Eva Garcia</a> -- BSc. Intern until Feb. 2019 (from UAM, ES)</li>
</ul>
</div>
<div class="teaching">
<a id="teaching"></a>
<h1>Teaching</h1>
<a href="https://www.informatik.tu-darmstadt.de/systems/teach/index.en.jsp">
<h2>👨🏫 See Systems@TUDa site for current courses</h2>
</a>
<br/>
<br/>
<br/>
<h3> In the past...</h3>
TU Darmstadt:
<p>
<b>Performance Analysis and Modeling of Software Systems, WiSe 21/22</b> <a href="https://moodle.informatik.tu-darmstadt.de/course/view.php?id=1139">[CS Moodle]</a>
</p>
</br>
Tutorials, most recently:
<p>
<b>Hyperledger Fabric Tutorial at EDBT2021</b> <a href="teaching/fabric-tutorial.html">[details]</a>
</p>
</br>
IT University of Copenhagen:
<p>
<b>Advanced Data Systems, Autumn 2021</b> <a href="https://learnit.itu.dk/course/view.php?id=3020263">[website]</a>
</p>
<p>
<b>Computer Systems Performance, Spring 2021</b> <a href="https://learnit.itu.dk/course/view.php?id=3019681">[website]</a>
</p>
</br>
At UPM, Master Universitario en Software y Sistemas:
<p>
<b>Performance Analysis and Modeling of Software Systems, Fall 2019</b> <a href="teaching/pams19.html">[website]</a> <a href="http://muss.fi.upm.es/seminarios.php">[seminars@UPM]</a>
</p>
<p>
<b>Building Data Processing Systems with FPGAs, Spring 2019</b> <a href="teaching/fpgarg-spring-19.html">[website]</a> <a href="">[seminars@UPM]</a>
</p>
<p>
<b>Performance Analysis and Modeling of Software Systems, Fall 2018</b> <a href="teaching/pams18.html">[website]</a> <a href="http://muss.fi.upm.es/seminarios.php">[seminars@UPM]</a>
</p>
</br> At ETH Zurich (teaching assistant):
<p>
<b>Advanced Systems Lab, Fall 2017</b> <a href="http://www.systems.ethz.ch/courses/fall2017/asl">[website]</a>
</p>
<p>
<b>Data Modelling and Databases, Spring 2017</b> <a href="http://www.systems.ethz.ch/courses/spring2017/data_mod_db">[website]</a>
</p>
<p>
<b>Advanced Systems Lab, Fall 2016 (Head Teaching Assistant)</b> <a href="http://www.systems.ethz.ch/courses/fall2016/asl">[website]</a>
</p>
<p>
<b>Data Modelling and Databases, Spring 2016</b> <a href="http://www.systems.ethz.ch/courses/spring2016/data_mod_db">[website]</a>
</p>
<p>
<b>Advanced Systems Lab, Fall 2015</b> <a href="http://www.systems.ethz.ch/courses/fall2015/asl">[website]</a>
</p>
<p>
<b>Programmieren und Problemlösen, Spring 2015</b> <a href="http://www.vvz.ethz.ch/Vorlesungsverzeichnis/dozentPre.do?dozide=10037129&semkez=2015S&lang=de&ansicht=2">[website]</a>
</p>
<p>
<b>Advanced Systems Lab, Fall 2014</b> <a href="http://www.systems.ethz.ch/courses/fall2014/asl">[website]</a>
</p>
<p>
<b>Programmieren und Problemlösen, Spring 2014</b> <a href="http://www.vvz.ethz.ch/Vorlesungsverzeichnis/dozentPre.do?dozide=10037129&semkez=2014S&lang=de&ansicht=2">[website]</a>
</p>
<p>
<b>Advanced Systems Lab, Fall 2013</b> <a href="http://www.systems.ethz.ch/courses/fall2013/asl">[website]</a>
</p>
<p>
<b>Data Modeling and Databases, Spring 2012</b> <a href="http://archive.systems.ethz.ch/www.systems.ethz.ch/education/spring-2012/data-mod-db.html">[website]</a>
</p>
</div>
</div>
<div id="right">
<div class="box">
<img src="apr2019-s.png" alt="" width="280">
<a id="about"></a>
<h2>About Me</h2>
<p>
I am a Full Professor at the <a href="https://www.informatik.tu-darmstadt.de/fb20/index.de.jsp">Technical University of Darmstadt, Germany</a> where I focus on Distributed and Networked Systems topics, as part of the <a href="https://www.informatik.tu-darmstadt.de/systems">Systems@TUDa Group</a>.
<br/>
<br/>
Earlier, I was an Associate Professor at the <a href="https://en.itu.dk/">IT University of Copenhagen</a>, Denmark, and an Assistant Research Professor at the <a href="https://software.imdea.org/">IMDEA Software Institute</a> in Madrid, Spain. I earned my PhD title from the <a href="http://systems.ethz.ch"/>Systems
Group</a> at <a href="http://ethz.ch">ETH Zurich</a>, where I was advised by <a href="http://www.inf.ethz.ch/personal/alonso/">Prof. Dr. Gustavo Alonso</a>.
I have a Master's degree in Distributed Systems from
ETH Zurich (2013), and an Engineering degree in Computer Science
from the <a href="http://www.utcluj.ro">Technical
University of Cluj-Napoca</a> (2011).</p>
<h2>Coordinates</h2>
<p>
Email: <b>zsolt.istvan [ at ] cs.tu-darmstadt.de</b> <br>
<a href="https://scholar.google.es/citations?user=lYvE47UAAAAJ&hl=es&oi=ao">Google Scholar Profile</a>
<br>
<a rel="me" href="https://fediscience.org/@zistvan">Mastodon Profile</a>
<!--<a href="http://ch.linkedin.com/pub/zsolt-istvan/62/1b7/b14">
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</a>
<h2>Curriculum Vitae</h2>
<a href="doc/zistvan-cv-oct2021.pdf"><img src="cv-cover.png" alt="cv-cover-image" width="50%" height="50%"></a>
<h2>NOPE Manifesto</h2>
<a href="doc/nope-manifesto.pdf"><img src="manifesto-cover.PNG" alt="maifesto-cover-image" width="50%" height="50%"></a>
<p> </p>
</div>
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<p>Last updated: <i>June 2026</i>.</p>
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