• Efficient Data Management with Heterogeneous Hardware
  • Utilizing Compute Express Link (CXL) Memory
  • Buffer Management / Memory Management
  • CPU Architectures
  • Memory Technologies

• A Case for Ecological Efficiency in Database Server Lifecycles | CIDR 2025
  Thomas Bodner, Martin Boissier, Tilmann Rabl, Ricardo Salazar-Díaz, Florian Schmeller, Nils Strassenburg, Ilin Tolovski, Marcel Weisgut, Wang Yue
  Paper
• A Three-Tier Buffer Manager Integrating CXL Device Memory for Database Systems | HardBD & Active @ ICDE 2024
  Niklas Riekenbrauck, Marcel Weisgut, Daniel Lindner, Tilmann Rabl
  Paper | Code
• What We Can Learn from Persistent Memory for CXL | NoDMC @ BTW 2023
  Lawrence Benson, Marcel Weisgut, Tilmann Rabl
  Extended abstract
• Workload-Driven Data Placement for Tierless In-Memory Database Systems | BTW 2023
  Ben Hurdelhey, Marcel Weisgut, Martin Boissier
  Paper
• Robust Index Selection for Stochastic Dynamic Workloads | SNCS 2023
  Rainer Schlosser, Marcel Weisgut, Leonardo Hubscher, Oliver Nordemann 
  Paper
• Separated Allocator Metadata in Disaggregated In-Memory Databases: Friend or Foe? | COMPSYS @ IPDPS 2022
  Marcel Weisgut, Daniel Ritter, Martin Boissier, Michael Perscheid
  Paper (awarded as best paper)
• Solver-Based Approaches for Robust Multi-Index Selection Problems with Reconfiguration Costs under Stochastic Dynamic Workloads | ICORES 2022
  Marcel Weisgut, Leonardo Hubscher, Oliver Nordemann, Rainer Schlosser
  Paper | Code
• Experimental Index Evaluation for Partial Indexes in Horizontally Partitioned In-Memory Databases | GvDB 2021
  Marcel Weisgut
  Paper | Code
• Model-Based Testing of Read Only Graph Queries | ICSTW 2020
  Leen Lambers, Sven Schneider, Marcel Weisgut
  Paper | Code

Master's Thesis Supervision

• Evaluating State-of-the-Art Software Prefetching Approaches on Heterogeneous Memory, Fabian Mahling (ongoing)
• Benchmarking CPU-Requested GPU Memory Access, Felix Werner, September 2024
• Building a Configurable Benchmark for Remote Direct Memory Access, Leo Wendt, March 2024
• A Multi-Tier Buffer Manager with CXL-Attached Memory for In-Memory Database Management Systems, Niklas Riekenbrauck, August 2023
• Workload-Driven Data Placement for Capacity-Constrained Multi-Device In-Memory Database Systems, Ben Hurdelhey, September 2022
• Workload-Driven Query Optimization Using Data Dependencies, Daniel Lindner, March 2022

Master's Project Supervision

• Extend Your Own Database: Larger-Than-Memory Data Management for an In-Memory Database System (Winter 2022/23)

Lectures and Seminars

• Hardware-Conscious Data Processing (Summer 2023, Summer 2024)
• Data Processing on Modern Hardware (Winter 2023/2024, Winter 2024/2025)
• Develop your own Database (Summer 2021, Summer 2022, Summer 2023)
• Big Data Labs (Winter 2023/2024)
• Big Data Systems (Winter 2024/2025)
• Trends and Concepts in the Software Industry I (Summer 2021)
• Lecture Series on Research Methods (Winter 2024/2025)

• Compute Express Link - An Introduction @ SAP (2024)
• Compute Express Link - An Introduction @ TU Darmstadt (2024)
• Data Processing On Modern Hardware @ Huawei Memory Technologies Summit (2024)
• Compute Express Link - An Introduction @ ITU Copenhagen (2024)