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ParPerOS Publications

To Appear

Journal SMASH Memento SMAUG ParPerOS PIMPMe NEON HetCIM
Charting the Benchmarking Landscape – A Survey of Benchmarks for Modern Memory Architectures

David Broneske, Christian Eichler, Hamid Farzaneh, Birte Friesel, Alexander Halbuer, Benedict Herzog, Muhammad Attahir Jibril, Sajad Karim, Sven Köhler, Manuel VögeleBenchCouncil Transactions on Benchmarks, Standards and Evaluations2026to appear.
[BibTex]

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BibTex Entry

@article{Broneske:2026,
author = {Broneske, David and Eichler, Christian and Farzaneh, Hamid and Friesel, Birte and Halbuer, Alexander and Herzog, Benedict and Jibril, Muhammad Attahir and Karim, Sajad and Köhler, Sven and Vögele, Manuel},
date = {2026},
entrysubtype = {Journal},
issn = {2772-4859},
journaltitle = {BenchCouncil Transactions on Benchmarks, Standards and Evaluations},
note = {to appear},
pubstate = {forthcoming},
title = {Charting the Benchmarking Landscape – A Survey of Benchmarks for Modern Memory Architectures},
}

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Workshop ParPerOS C
Lost Bytes At The Crossroads Between User- And Kernel-Level Memory Allocation

Pasha Fistanto, Sören Tempel, Christian DietrichProceedings of the 14th SOSP Workshop on Programming Languages and Operating Systems (PLOS '26)Association for Computing Machinery2026to appear.
PDF Raw Data 10.1145/3831586.3838144 [BibTex]

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BibTex Entry

@inproceedings{Fistanto:2026,
author = {Fistanto, Pasha and Tempel, Sören and Dietrich, Christian},
booktitle = {Proceedings of the 14th SOSP Workshop on Programming Languages and Operating Systems (PLOS '26)},
date = {2026-09},
doi = {10.1145/3831586.3838144},
entrysubtype = {Workshop},
isbn = {979-8-4007-2877-8},
location = {New York, NY, USA},
note = {to appear},
publisher = {Association for Computing Machinery},
pubstate = {to appear},
title = {Lost Bytes At The Crossroads Between User- And Kernel-Level Memory Allocation},
venue = {Prague, Czech Republic},
}

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Conference ParPerOS
Towards a Vertically Integrated Compiler Infrastructure to Improve Solver Time during Symbolic Execution

Sören Tempel, Christian DietrichProceedings of the 8th International Workshop on Automated and Verifiable Software System DevelopmentAssociation for Computing Machinery2026to appear.
PDF Raw Data 10.1145/3843777.3844530 [BibTex]

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BibTex Entry

@inproceedings{Tempel:2026,
author = {Tempel, Sören and Dietrich, Christian},
booktitle = {Proceedings of the 8th International Workshop on Automated and Verifiable Software System Development},
date = {2026-10},
doi = {10.1145/3843777.3844530},
entrysubtype = {Conference},
location = {New York, NY, USA},
note = {to appear},
publisher = {Association for Computing Machinery},
pubstate = {to appear},
series = {ASYDE},
title = {Towards a Vertically Integrated Compiler Infrastructure to Improve Solver Time during Symbolic Execution},
venue = {Munich, Germany},
}

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2025

ParPerOS A
HyperAlloc: Efficient VM Memory De/Inflation via Hypervisor-Shared Page-Frame Allocators

Lars Wrenger, Kenny Albes, Marco Wurps, Christian Dietrich, Daniel LohmannProceedings of the Twentieth European Conference on Computer SystemsAssociation for Computing Machinery2025.
10.1145/3689031.3717484 [BibTex]

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BibTex Entry

@inproceedings{Wrenger:2025,
abstract = {The provisioning of the right amount of {DRAM} to virtual machines ({VMs}) is still a major challenge and cost driver in virtualization settings. Many {VMs} run applications with highly volatile memory demands, which either leads to massive overprovisioning in low-demand phases or poor {QoS} in high-demand phases. Memory hotplugging and ballooning have become established techniques (in Linux/{KVM} available via virtio-mem and virtio-balloon) to dynamically de/inflate the physical memory of a {VM} cooperatively, by having the guests give back unused memory to the hypervisor. However, current {VM} deflation techniques are either not {DMA}-safe, preventing the passthrough of important devices like {GPUs} or {NICs}, or are not flexible or fast enough to cope with the frequently changing demands of the guest.We present {HyperAlloc}, a {DMA}-safe and extremely efficient mechanism for virtual machine de/inflation. The core idea is to provide the hypervisor direct access to the guest's page-frame allocator, greatly reducing the communication overhead. {HyperAlloc} can shrink virtual machines 362 times faster than virtio-balloon and 10 times faster than virtio-mem while having no measurable impact on the guest's performance. {HyperAlloc}'s automatic reclamation provides for better memory elasticity by reducing the average memory footprint of a clang compilation by 17 percent compared to virtio-balloon's free-page reporting while, again, having no measurable impact on the guest's performance.},
author = {Wrenger, Lars and Albes, Kenny and Wurps, Marco and Dietrich, Christian and Lohmann, Daniel},
booktitle = {Proceedings of the Twentieth European Conference on Computer Systems},
date = {2025-03-30},
doi = {10.1145/3689031.3717484},
isbn = {9798400711961},
location = {New York, {NY}, {USA}},
pages = {702–719},
publisher = {Association for Computing Machinery},
series = {{EuroSys} '25},
shorttitle = {{HyperAlloc}},
title = {{HyperAlloc}: Efficient {VM} Memory De/Inflation via Hypervisor-Shared Page-Frame Allocators},
url = {https://dl.acm.org/doi/10.1145/3689031.3717484},
}

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Conference ParPerOS FOSSIL A*
MettEagle: Costs and Benefits of Implementing Containers on Microkernels

Till Miemietz, Viktor Reusch, Matthias Hille, Lars Wrenger, Jana Eisoldt, Jan Klötzke, Max Kurze, Adam Lackorzynski, Michael Roitzsch, Hermann HärtigProceedings of the 19th Symposium on Operating System Design and ImplementationUSENIX Association2025.
Slides [BibTex]

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BibTex Entry

@inproceedings{Miemietz:2025,
author = {Miemietz, Till and Reusch, Viktor and Hille, Matthias and Wrenger, Lars and Eisoldt, Jana and Klötzke, Jan and Kurze, Max and Lackorzynski, Adam and Roitzsch, Michael and H{ä}rtig, Hermann},
booktitle = {Proceedings of the 19th Symposium on Operating System Design and Implementation},
date = {2025-07},
editor = {Lidong Zhou and Yuanyuan Zhou},
entrysubtype = {Conference},
location = {Boston, MA},
pages = {979–996},
publisher = {{USENIX} Association},
series = {{OSDI} '25},
title = {MettEagle: Costs and Benefits of Implementing Containers on Microkernels},
url = {https://www.usenix.org/system/files/osdi25-miemietz.pdf},
}

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2024

ParPerOS
Analyzing the memory ordering models of the Apple M1

Lars Wrenger, Dominik Töllner, Daniel LohmannJournal of Systems Architecture1492024.
10.1016/j.sysarc.2024.103102 [BibTex]

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BibTex Entry

@article{Wrenger:2024,
author = {Lars Wrenger and Dominik Töllner and Daniel Lohmann},
date = {2024-04},
doi = {10.1016/j.sysarc.2024.103102},
issn = {1383-7621},
journaltitle = {Journal of Systems Architecture},
keywords = {Apple M1, ARM, Memory ordering, TSO},
pages = {103102:1-8},
pubstate = {published},
title = {Analyzing the memory ordering models of the Apple M1},
url = {https://www.sciencedirect.com/science/article/pii/S1383762124000390},
volume = {149},
}

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ParPerOS A*
Cloud-Native Database Systems and Unikernels: Reimagining OS Abstractions for Modern Hardware

Viktor Leis, Christian DietrichProceedings of the VLDB EndowmentVLDB Endowment2024.
10.14778/3659437.3659462 [BibTex]

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BibTex Entry

@inproceedings{Leis:2024,
author = {Viktor Leis and Christian Dietrich},
booktitle = {Proceedings of the VLDB Endowment},
date = {2024-04},
doi = {10.14778/3659437.3659462},
location = {Guangzhou, China},
number = {8},
pages = {2115–2122},
publisher = {VLDB Endowment},
pubstate = {published},
title = {Cloud-Native Database Systems and Unikernels: Reimagining OS Abstractions for Modern Hardware},
volume = {17},
year = {2024},
}

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ParPerOS Best Paper Award
The New Costs of Physical Memory Fragmentation

A. Halbuer, I. Ostapyshyn, L. Steiner, L. Wrenger, M. Jung, C. Dietrich, D. LohmannProceedings of the 2nd Workshop on Disruptive Memory SystemsAssociation for Computing Machinery2024Best Paper Award.
10.1145/3698783.3699378 [BibTex]

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BibTex Entry

@inproceedings{Halbuer:2024,
author = {Halbuer, A. and Ostapyshyn, I. and Steiner, L. and Wrenger, L. and Jung, M. and Dietrich, C. and Lohmann, D.},
booktitle = {Proceedings of the 2nd Workshop on Disruptive Memory Systems},
comment = {Best Paper Award},
date = {2024-11-03},
doi = {10.1145/3698783.3699378},
isbn = {9798400713033},
location = {New York, NY, USA},
pages = {33–40},
publisher = {Association for Computing Machinery},
series = {DIMES '24},
title = {The New Costs of Physical Memory Fragmentation},
venue = {Austin, TX, USA},
}

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2023

ParPerOS
Evaluation and Refinement of an Explicit Virtual-Memory Primitive

Yannick Loeck, Christian DietrichIEEE Access11IEEE2023.
10.1109/ACCESS.2023.3338149 [BibTex]

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BibTex Entry

@article{Loeck:2023,
author = {Yannick Loeck and Christian Dietrich},
date = {2023-11-30},
doi = {10.1109/ACCESS.2023.3338149},
issn = {2169-3536},
journaltitle = {IEEE Access},
keywords = {Kernel;Linux;Memory management;Instruction sets;Surface treatment;Resource management;Process control;Virtual memory;explicit file-mapped I/O;high-performance I/O;user-space solution;buffer manager;performance optimization},
pages = {136855-136868},
publisher = {IEEE},
pubstate = {published},
title = {Evaluation and Refinement of an Explicit Virtual-Memory Primitive},
volume = {11},
year = {2023},
}

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ParPerOS A Distinguished Artifact Award
LLFree: Scalable and Optionally-Persistent Page-Frame Allocation

Lars Wrenger, Florian Rommel, Alexander Halbuer, Christian Dietrich, Daniel Lohmann2023 USENIX Annual Technical Conference (USENIX ATC 23)USENIX Association2023Distinguished Artifact Award.
[BibTex]

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BibTex Entry

@inproceedings{Wrenger:2023,
author = {Lars Wrenger and Florian Rommel and Alexander Halbuer and Christian Dietrich and Daniel Lohmann},
booktitle = {2023 USENIX Annual Technical Conference (USENIX ATC 23)},
date = {2023-07},
isbn = {978-1-939133-35-9},
location = {Boston, MA},
pages = {897–914},
publisher = {USENIX Association},
pubstate = {published},
title = {LLFree: Scalable and Optionally-Persistent Page-Frame Allocation},
url = {https://www.usenix.org/conference/atc23/presentation/wrenger},
}

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ParPerOS A
MELF: Multivariant Executables for a Heterogeneous World

Dominik Töllner, Christian Dietrich, Illia Ostapyshyn, Florian Rommel, Daniel Lohmann2023 USENIX Annual Technical Conference (USENIX ATC 23)USENIX Association2023.
[BibTex]

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BibTex Entry

@inproceedings{Toellner:2023,
author = {Dominik Töllner and Christian Dietrich and Illia Ostapyshyn and Florian Rommel and Daniel Lohmann},
booktitle = {2023 USENIX Annual Technical Conference (USENIX ATC 23)},
date = {2023-07},
isbn = {978-1-939133-35-9},
location = {Boston, MA},
publisher = {USENIX Association},
pubstate = {published},
title = {MELF: Multivariant Executables for a Heterogeneous World},
url = {https://www.usenix.org/conference/atc23/presentation/tollner},
}

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ParPerOS
Morsels: Explicit Virtual Memory Objects

Alexander Halbuer, Christian Dietrich, Florian Rommel, Daniel LohmannProceedings of the 1st Workshop on Disruptive Memory SystemsAssociation for Computing Machinery2023.
10.1145/3609308.3625267 [BibTex]

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BibTex Entry

@inproceedings{Halbuer:2023,
author = {Alexander Halbuer and Christian Dietrich and Florian Rommel and Daniel Lohmann},
booktitle = {Proceedings of the 1st Workshop on Disruptive Memory Systems},
date = {2023-10-23},
doi = {10.1145/3609308.3625267},
isbn = {9798400703003},
pages = {52-59},
publisher = {Association for Computing Machinery},
pubstate = {published},
series = {DIMES '23},
title = {Morsels: Explicit Virtual Memory Objects},
year = {2023},
}

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ParPerOS A*
Virtual-Memory Assisted Buffer Management

Viktor Leis, Adnan Alhomssi, Tobias Ziegler, Yannick Loeck, Christian DietrichProceedings of the ACM SIGMOD/PODS International Conference on Management of Data (SIGMOD'23)Association for Computing Machinery2023.
10.1145/3588687 [BibTex]

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BibTex Entry

@inproceedings{Leis:2023,
author = {Viktor Leis and Adnan Alhomssi and Tobias Ziegler and Yannick Loeck and Christian Dietrich},
booktitle = {Proceedings of the ACM SIGMOD/PODS International Conference on Management of Data (SIGMOD'23)},
date = {2023-06},
doi = {10.1145/3588687},
location = {Seattle, WA, USA},
publisher = {Association for Computing Machinery},
pubstate = {published},
title = {Virtual-Memory Assisted Buffer Management},
}

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