Johannes Pietrzyk

25 papers A 3B 1C 3Misc 2Journal 6Unranked 9
YearRankTypeTitle / Venue / Authors
2026 B conf
Disaggregated Data System Architecture - State-of-the-Art and Open Challenges.
EDBT
Alexander Krause, Johannes Pietrzyk, Alexander Boehm
2025 C conf
De²Dup: Extended Deduplication for Multi-Tenant Databases.
DaMoN
Alexander Krause, Jannis Kowalick, Johannes Pietrzyk, Dirk Habich, Wolfgang Lehner
2025 — —
Exploiting Data-Level-Parallelism for Modern In-Memory OLAP Query Engines.
Johannes Pietrzyk
2025 A conf
Rethinking MIMD-SIMD Interplay for Analytical Query Processing in In- Memory Database Engines.
CIDR
Lennart Schmidt, Johannes Pietrzyk, Juliana Hildebrandt, Alexander Krause, Dirk Habich, Wolfgang Lehner
2024 J jnl
Designing and Implementing a Generator Framework for a SIMD Abstraction Library.
CoRR
Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
2024 A conf
Program your (custom) SIMD instruction set on FPGA in C++.
CIDR
Johannes Pietrzyk, Alexander Krause, Christian Faerber, Dirk Habich, Wolfgang Lehner
2024 — conf
SIMDified Data Processing - Foundations, Abstraction, and Advanced Techniques.
SIGMOD Conference Companion
Dirk Habich, Johannes Pietrzyk
2023 — conf
Near to Far: An Evaluation of Disaggregated Memory for In-Memory Data Processing.
DIMES@SOSP
Andreas Geyer, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner, Christian Färber, Thomas Willhalm
2023 J jnl
Partition-based SIMD Processing and its Application to Columnar Database Systems.
Datenbank-Spektrum
Juliana Hildebrandt, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
2023 — conf
Simplicity done right for SIMDified query processing on CPU and FPGA.
SiMoD@SIGMOD
Dirk Habich, Alexander Krause, Johannes Pietrzyk, Christian Faerber, Wolfgang Lehner
2023 Misc conf
Working with Disaggregated Systems. What are the Challenges and Opportunities of RDMA and CXL?
BTW
Andreas Geyer, Daniel Ritter, Dong Hun Lee, Minseon Ahn, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
2022 J jnl
To share or not to share vector registers?
VLDB J.
Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
2022 C conf
To use or not to use the SIMD gather instruction?
DaMoN
Dirk Habich, Johannes Pietrzyk, Alexander Krause, Juliana Hildebrandt, Wolfgang Lehner
2021 — conf
Mastering the NEC Vector Engine Accelerator for Analytical Query Processing.
ICDE Workshops
Annett Ungethüm, Lennart Schmidt, Johannes Pietrzyk, Dirk Habich, Wolfgang Lehner
2020 A conf
Hardware-Oblivious SIMD Parallelism for In-Memory Column-Stores.
CIDR
Annett Ungethüm, Johannes Pietrzyk, Patrick Damme, Alexander Krause, Dirk Habich, Wolfgang Lehner, Erich Focht
2020 J jnl
MorphStore: Analytical Query Engine with a Holistic Compression-Enabled Processing Model.
CoRR
Patrick Damme, Annett Ungethüm, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
2020 J jnl
MorphStore: Analytical Query Engine with a Holistic Compression-Enabled Processing Model.
Proc. VLDB Endow.
Patrick Damme, Annett Ungethüm, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner
2020 C conf
To share or not to share vector registers?
DaMoN
Johannes Pietrzyk, Dirk Habich, Wolfgang Lehner
2019 J jnl
Evaluating the Vector Supercomputer SX-Aurora TSUBASA as a Co-Processor for In-Memory Database Systems.
Datenbank-Spektrum
Johannes Pietrzyk, Dirk Habich, Patrick Damme, Erich Focht, Wolfgang Lehner
2019 Misc conf
Fighting the Duplicates in Hashing: Conflict Detection-aware Vectorization of Linear Probing
BTW
Johannes Pietrzyk, Annett Ungethüm, Dirk Habich, Wolfgang Lehner
2019 — conf
First Investigations of the Vector Supercomputer SX-Aurora TSUBASA as a Co-Processor for Database Systems.
BTW (Workshops)
Johannes Pietrzyk, Dirk Habich, Patrick Damme, Wolfgang Lehner
2019 — conf
MorphStore - In-Memory Query Processing based on Morphing Compressed Intermediates LIVE.
SIGMOD Conference
Dirk Habich, Patrick Damme, Annett Ungethüm, Johannes Pietrzyk, Alexander Krause, Juliana Hildebrandt, Wolfgang Lehner
2018 — conf
Beyond Straightforward Vectorization of Lightweight Data Compression Algorithms for Larger Vector Sizes.
Grundlagen von Datenbanken
Johannes Pietrzyk, Annett Ungethüm, Dirk Habich, Wolfgang Lehner
2018 — conf
Conflict Detection-Based Run-Length Encoding - AVX-512 CD Instruction Set in Action.
ICDE Workshops
Annett Ungethüm, Johannes Pietrzyk, Patrick Damme, Dirk Habich, Wolfgang Lehner
2017 — conf
Balancing Performance and Energy for Lightweight Data Compression Algorithms.
ADBIS (Short Papers and Workshops)
Annett Ungethüm, Patrick Damme, Johannes Pietrzyk, Alexander Krause, Dirk Habich, Wolfgang Lehner