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NUMA policies and their relation to memory architecture
1991
SIGPLAN notices
Preserved Fulltext
We have used this information to explore the relationship between kernel-based NUMA management policies and multiprocessor memory architecture. ...
Our results indicate that a good NUMA policy must be chosen to match its machine, and confirm that such policies can be both simple and effective. ...
We use multiprocessor memory reference traces to drive simulations of NUMA policies. We implement page placement policies and simulate architectures in our trace analysis program. ...
doi:10.1145/106973.106994
fatcat:gycerao7sjdc3o2jkn6pdudg2q
NUMA policies and their relation to memory architecture
1991
SIGARCH Computer Architecture News
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We have used this information to explore the relationship between kernel-based NUMA management policies and multiprocessor memory architecture. ...
Our results indicate that a good NUMA policy must be chosen to match its machine, and confirm that such policies can be both simple and effective. ...
We use multiprocessor memory reference traces to drive simulations of NUMA policies. We implement page placement policies and simulate architectures in our trace analysis program. ...
doi:10.1145/106975.106994
fatcat:h64q7qubqncobofb7zqq75f6eu
NUMA policies and their relation to memory architecture
1991
Proceedings of the fourth international conference on Architectural support for programming languages and operating systems - ASPLOS-IV
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We have used this information to explore the relationship between kernel-based NUMA management policies and multiprocessor memory architecture. ...
Our results indicate that a good NUMA policy must be chosen to match its machine, and confirm that such policies can be both simple and effective. ...
We use multiprocessor memory reference traces to drive simulations of NUMA policies. We implement page placement policies and simulate architectures in our trace analysis program. ...
doi:10.1145/106972.106994
dblp:conf/asplos/BoloskySFFC91
fatcat:cf3yu7o5cbczvnannrxmuryyya
NUMA policies and their relation to memory architecture
1991
ACM SIGOPS Operating Systems Review
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We have used this information to explore the relationship between kernel-based NUMA management policies and multiprocessor memory architecture. ...
Our results indicate that a good NUMA policy must be chosen to match its machine, and confirm that such policies can be both simple and effective. ...
We use multiprocessor memory reference traces to drive simulations of NUMA policies. We implement page placement policies and simulate architectures in our trace analysis program. ...
doi:10.1145/106974.106994
fatcat:54vlt7bddzd6nkcoit7qlgd6wm
Dynamic Task and Data Placement over NUMA Architectures: An OpenMP Runtime Perspective
[chapter]
2009
Lecture Notes in Computer Science
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Our runtime, which is based on a multi-level thread scheduler combined with a NUMA-aware memory manager, converts this information into "scheduling hints" to solve thread/memory affinity issues. ...
Directive-based programming languages such as OpenMP provide programmers with an easy way to structure the parallelism of their application and to transmit this information to the runtime system. ...
able to draw threads and bubbles to their "preferred" NUMA node. ...
doi:10.1007/978-3-642-02303-3_7
fatcat:e4cc3wengncrnfrvcnbtmvbmtq
Enabling high-performance memory migration for multithreaded applications on LINUX
2009
2009 IEEE International Symposium on Parallel & Distributed Processing
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As the number of cores per machine increases, memory architectures are being redesigned to avoid bus contention and sustain higher throughput needs. ...
The emergence of Non-Uniform Memory Access (NUMA) constraints has caused affinities between threads and buffers to become an important decision criteria for schedulers. ...
and placing memory buffers depending on their affinities. ...
doi:10.1109/ipdps.2009.5161101
dblp:conf/ipps/GoglinF09
fatcat:tifxpqrgvbbhngt2czn3jr7ake
Toward Efficient In-memory Data Analytics on NUMA Systems
[article]
2020
arXiv
pre-print
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Modern computers increasingly rely on Non-Uniform Memory Access (NUMA) architectures in order to achieve scalability. ...
A key drawback of NUMA architectures is that many existing software solutions are not aware of the underlying NUMA topology and thus do not take full advantage of the hardware. ...
ACKNOWLEDGEMENTS We would like to thank Kenneth Kent and Aaron Graham from IBM CASA and Serguei Vassiliev and Kaizaad Bilimorya from Compute Canada, for providing access to Machine B and Machine C respectively ...
arXiv:1908.01860v3
fatcat:3ri4vadygzce5ao5dslmakn7zm
ForestGOMP: An Efficient OpenMP Environment for NUMA Architectures
2010
International journal of parallel programming
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Directive-based programming languages such as OpenMP, can greatly help to perform such a distribution by providing programmers with an easy way to structure the parallelism of their application and to ...
Our runtime, which is based on a multi-level thread scheduler combined with a NUMAaware memory manager, converts this information into scheduling hints related to threadmemory affinity issues. ...
able to draw threads and bubbles to their "preferred" NUMA node. ...
doi:10.1007/s10766-010-0136-3
fatcat:g2vajlq53ba4xeq2xjkfdriesy
Towards Efficient OpenMP Strategies for Non-Uniform Architectures
[article]
2014
arXiv
pre-print
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Many of current computing systems rely on Non-Uniform Memory Access (NUMA) based processors architectures. ...
Our technique applies a smart threads allocation method and an advanced tasks scheduling strategy for reducing remote memory accesses and consequently their extra time consumption. ...
.), a first-touch policy for memory allocation is used when running on NUMA architectures. ...
arXiv:1411.7131v1
fatcat:wtbqvorzvrfwxprde23jbho3dm
NUMA-ICTM: A parallel version of ICTM exploiting memory placement strategies for NUMA machines
2009
2009 IEEE International Symposium on Parallel & Distributed Processing
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Recent advances in multiprocessor architectures lead to the emergence of NUMA (Non-Uniform Memory Access) machines. In this work, we present NUMA-ICTM: a parallel solution of ICTM for NUMA machines. ...
The categorization of large regions is a computational intensive problem, what justifies the proposal and development of parallel solutions in order to improve its applicability. ...
The NUMA API is an interface that defines a set of system calls to apply memory policies and processes/threads scheduling. ...
doi:10.1109/ipdps.2009.5161155
dblp:conf/ipps/CastroFPMA09
fatcat:2hbnjiascnaxlcdgj7crhuuvdm
A performance comparison of data and memory allocation strategies for sequence aligners on NUMA architectures
2017
Cluster Computing
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Therefore, these tools are very sensitive to performance problems related to the memory system. ...
We have performed experiments with several popular sequence alignment tools on two widely available NUMA systems to assess the performance of different memory allocation policies and data partitioning ...
Related work Challenges in memory access on NUMA systems have been addressed by some approaches that tried to optimize locality at the OS level. ...
doi:10.1007/s10586-017-1015-0
fatcat:kfulo77t7je5jezrb5by4hb4vu
NUMA-Awareness as a Plug-In for an Eventify-Based Fast Multipole Method
[chapter]
2020
Lecture Notes in Computer Science
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In this article, we aim to improve the performance and sustainability of FMSolvr, a parallel Fast Multipole Method for Molecular Dynamics, by adapting it to Non-Uniform Memory Access architectures in a ...
By means of the NUMA module we introduce diverse NUMA-aware data distribution, thread pinning and work stealing policies for FMSolvr. ...
A reusable NUMA module for Eventify that models hierarchical memory architectures in software and enables rapid development of algorithmdependent NUMA policies. 3. ...
doi:10.1007/978-3-030-50436-6_31
fatcat:wfl66kght5dejp4jtqh4rew354
An interface to implement NUMA policies in the Xen hypervisor
2017
Proceedings of the Twelfth European Conference on Computer Systems - EuroSys '17
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Most of the overhead on the latter machines is caused by the Non-Uniform Memory Access (NUMA) architecture they are using. ...
In order to reduce this overhead, this paper shows how NUMA placement heuristics can be implemented inside Xen. ...
This paper shows how we can implement the classical NUMA policies of operating systems inside an hypervisor, while hiding the NUMA topology to the virtual machines. ...
doi:10.1145/3064176.3064196
dblp:conf/eurosys/Voron0QS17
fatcat:uvccjgufsbbdtha45qeecy6ml4
Introducing kernel-level page reuse for high performance computing
2013
Proceedings of the ACM SIGPLAN Workshop on Memory Systems Performance and Correctness - MSPC '13
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Due to computer architecture evolution, more and more HPC applications have to include thread-based parallelism and take care of memory consumption. ...
On modern architectures, we measured that up to 40% of the page fault time is spent in page zeroing. ...
A French FSN (Fond pour la Socit Numrique) cooperative project that associates academics and industrials partners in order to design then provide building blocks for a new generation of HPC datacenters ...
doi:10.1145/2492408.2492414
dblp:conf/pldi/ValatPJ13
fatcat:eg5su4jmk5axtksenidcawur7q
Using Data Dependencies to Improve Task-Based Scheduling Strategies on NUMA Architectures
[chapter]
2016
Lecture Notes in Computer Science
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We also evaluate their performances on linear algebra applications executed on a 192-core NUMA machine, reporting noticeable performance improvement when considering both the architecture topology and ...
Data placement and task scheduling strategies have a significant impact on performances when considering NUMA architectures. ...
Acknowledgments This work is integrated and supported by the ELCI project, a French FSN ("Fond pour la Société Numérique") project that associates academic and industrial partners to design and provide ...
doi:10.1007/978-3-319-43659-3_39
fatcat:i6ou3fm2efcz5np6rafvfnuvkm
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