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Documents authored by Boehm, Hans J.

Found 2 Possible Name Variants:

Boehm, Hans J.

Document
DOI: 10.4230/DagRep.1.1.1
Multi-Core Memory Models and Concurrency Theory (Dagstuhl Seminar 11011)

Authors: Hans J. Boehm, Ursula Goltz, Holger Hermanns, and Peter Sewell

Published in: Dagstuhl Reports, Volume 1, Issue 1 (2011)

Abstract
This report documents the programme and the outcomes of Dagstuhl Seminar 11011 "Multi-Core Memory Models and Concurrency Theory".
Cite as

Hans J. Boehm, Ursula Goltz, Holger Hermanns, and Peter Sewell. Multi-Core Memory Models and Concurrency Theory (Dagstuhl Seminar 11011). In Dagstuhl Reports, Volume 1, Issue 1, pp. 1-26, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)

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@Article{boehm_et_al:DagRep.1.1.1,
  author =	{Boehm, Hans J. and Goltz, Ursula and Hermanns, Holger and Sewell, Peter},
  title =	{{Multi-Core Memory Models and Concurrency Theory (Dagstuhl Seminar 11011)}},
  pages =	{1--26},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2011},
  volume =	{1},
  number =	{1},
  editor =	{Boehm, Hans J. and Goltz, Ursula and Hermanns, Holger and Sewell, Peter},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.1.1.1},
  URN =		{urn:nbn:de:0030-drops-31058},
  doi =		{10.4230/DagRep.1.1.1},
  annote =	{Keywords: Relaxed Memory Models, Concurrency Theory, Multi-Core, Semantics, Parallel Programming, Cache Coherence}
}

Boehm, Hans-J.

Document
DOI: 10.4230/DagRep.11.10.94
Foundations of Persistent Programming (Dagstuhl Seminar 21462)

Authors: Hans-J. Boehm, Ori Lahav, and Azalea Raad

Published in: Dagstuhl Reports, Volume 11, Issue 10 (2022)

Abstract
Although early electronic computers commonly had persistent core memory that retained its contents with power off, modern computers generally do not. DRAM loses its contents when power is lost. However, DRAM has been difficult to scale to smaller feature sizes and larger capacities, making it costly to build balanced systems with sufficient amounts of directly accessible memory. Commonly proposed replacements, including Intel’s Optane product, are once again persistent. It is however unclear, and probably unlikely, that the fastest levels of the memory hierarchy will be able to adopt such technology. No such non-volatile (NVM) technology has yet taken over, but there remains a strong economic incentive to move hardware in this direction, and it would be disappointing if we continued to be constrained by the current DRAM scaling. Since current computer systems often invest great effort, in the form of software complexity, power, and computation time, to "persist" data from DRAM by rearranging and copying it to persistent storage, like magnetic disks or flash memory, it is natural and important to ask whether we can leverage persistence of part of primary memory to avoid this overhead. Such efforts are complicated by the fact that real systems are likely to remain only partially persistent; some memory components, like processor caches and device registers. may remain volatile. This seminar focused on various aspects of programming for such persistent memory systems, ranging from programming models for reasoning about and formally verifying programs that leverage persistence, to techniques for converting existing multithreaded programs (particularly, lock-free ones) to corresponding programs that also directly persist their state in NVM. We explored relationships between this problem and prior work on concurrent programming models.
Cite as

Hans-J. Boehm, Ori Lahav, and Azalea Raad. Foundations of Persistent Programming (Dagstuhl Seminar 21462). In Dagstuhl Reports, Volume 11, Issue 10, pp. 94-110, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2022)

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@Article{boehm_et_al:DagRep.11.10.94,
  author =	{Boehm, Hans-J. and Lahav, Ori and Raad, Azalea},
  title =	{{Foundations of Persistent Programming (Dagstuhl Seminar 21462)}},
  pages =	{94--110},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2022},
  volume =	{11},
  number =	{10},
  editor =	{Boehm, Hans-J. and Lahav, Ori and Raad, Azalea},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.11.10.94},
  URN =		{urn:nbn:de:0030-drops-159303},
  doi =		{10.4230/DagRep.11.10.94},
  annote =	{Keywords: concurrency; non-volatile-memory; persistency; semantics; weak memory models}
}
Document
DOI: 10.4230/DagRep.7.11.1
New Challenges in Parallelism (Dagstuhl Seminar 17451)

Authors: Annette Bieniusa, Hans-J. Boehm, Maurice Herlihy, and Erez Petrank

Published in: Dagstuhl Reports, Volume 7, Issue 11 (2018)

Abstract
A continuing goal of current multiprocessor software design is to improve the performance and reliability of parallel algorithms. Parallel programming has traditionally been attacked from widely different angles by different groups of people: Hardware designers designing instruction sets, programming language designers designing languages and library interfaces, and theoreticians developing models of parallel computation. Unsurprisingly, this has not always led to consistent results. Newly developing areas show every sign of leading to similar divergence. This Dagstuhl Seminar will bring together researchers and practitioners from all three areas to discuss and reconcile thoughts on these challenges.
Cite as

Annette Bieniusa, Hans-J. Boehm, Maurice Herlihy, and Erez Petrank. New Challenges in Parallelism (Dagstuhl Seminar 17451). In Dagstuhl Reports, Volume 7, Issue 11, pp. 1-27, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)

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@Article{bieniusa_et_al:DagRep.7.11.1,
  author =	{Bieniusa, Annette and Boehm, Hans-J. and Herlihy, Maurice and Petrank, Erez},
  title =	{{New Challenges in Parallelism (Dagstuhl Seminar 17451)}},
  pages =	{1--27},
  journal =	{Dagstuhl Reports},
  ISSN =	{2192-5283},
  year =	{2018},
  volume =	{7},
  number =	{11},
  editor =	{Bieniusa, Annette and Boehm, Hans-J. and Herlihy, Maurice and Petrank, Erez},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/DagRep.7.11.1},
  URN =		{urn:nbn:de:0030-drops-86681},
  doi =		{10.4230/DagRep.7.11.1},
  annote =	{Keywords: concurrency, memory models, non-volatile memory}
}
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