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Large-scale 0–1 linear programming on distributed workstations

Timothy L. Cannon, Karla L. Hoffman
1990 Annals of Operations Research  
Hoffman, 0-1 programming on distributed workstations and to remove redundant rows and columns from the matrix. A full description of the techniques is found in Hoffman and Padberg [23] .  ...  We present a methodology which uses a collection of workstations connected by an Ethernet network as a parallel processor for solving large-scale linear programming problems.  ...  Acknowledgements The authors wish to thank Manfred Padberg for his helpful suggestions on improving this research and careful reviewing of an early version of this paper.  ... 
doi:10.1007/bf02023053 fatcat:x5rh2q5et5eqlev7hi2xyauuiy

Distributed computing using Java: A comparison of two server designs

Boris Roussev, Jie Wu
2006 Journal of systems architecture  
The experimental results on a network of 36 workstations running Windows NT, demonstrate that the parallel hash table-based server outperforms the conventional multi-threaded server.  ...  To empirically evaluate the proposed concurrent data structure, we compare the performance of a TCP multi-threaded parallel hash table-based server to a conventional TCP multi-threaded shared buffer-based  ...  We considered the number of worker threads a server should spawn in order to get maximum performance.  ... 
doi:10.1016/j.sysarc.2006.02.001 fatcat:s2gxxqrcbjgl7p2l44uhb4dqby

Java on networks of workstations (JavaNOW): a parallel computing framework inspired by Linda and the Message Passing Interface (MPI)

George K. Thiruvathukal, Phillip M. Dickens, Shahzad Bhatti
2000 Concurrency Practice and Experience  
JavaNOW provides a simple yet powerful framework for performing computation on networks of workstations.  ...  In this article, we present JavaNOW (Java on Networks of Workstations), a Java based framework for parallel programming on networks of workstations.  ...  There is both a blocking and non-blocking form of the get operation. In the blocking form, the get operation is guaranteed to block forever if a corresponding put method is never posted.  ... 
doi:10.1002/1096-9128(200009)12:11<1093::aid-cpe522>3.3.co;2-y fatcat:v7ufemttcbhrbbsqnrdvcigr4u

Java on networks of workstations (JavaNOW): a parallel computing framework inspired by Linda and the Message Passing Interface (MPI)

George K. Thiruvathukal, Phillip M. Dickens, Shahzad Bhatti
2000 Concurrency Practice and Experience  
JavaNOW provides a simple yet powerful framework for performing computation on networks of workstations.  ...  In this article, we present JavaNOW (Java on Networks of Workstations), a Java based framework for parallel programming on networks of workstations.  ...  There is both a blocking and non-blocking form of the get operation. In the blocking form, the get operation is guaranteed to block forever if a corresponding put method is never posted.  ... 
doi:10.1002/1096-9128(200009)12:11<1093::aid-cpe522>3.0.co;2-6 fatcat:5aqbln3lujbjdm4jqmihnfpfpa

Efficient synchronization

Alain Kägi, Doug Burger, James R. Goodman
1997 Proceedings of the 24th annual international symposium on Computer architecture - ISCA '97  
Finally, we demonstrate the superior performance of a low-cost implementation of Qom, which runs on an unmodified cluster of commodiry workstations.  ...  We evaluate the space of these mechanisms using seventeen synchronization constructs, which are formed from six base types of locks (T.!?.YT&Sn, Ti?iT&TEsrdiSR MCS, LH, M, and QoD).  ...  Mary Vernon commented on drafts of this paper. Satish Chandra, Babak Falsafi, Steve Reinhardt, Ioannis Schoinas, Brian Toonen helped clarify some fine points of Tempest and Blizzard.  ... 
doi:10.1145/264107.264166 dblp:conf/isca/KagiBG97 fatcat:pd5v3g4mwfgqbkposlmdkjreaa

Efficient synchronization

Alain Kägi, Doug Burger, James R. Goodman
1997 SIGARCH Computer Architecture News  
Finally, we demonstrate the superior performance of a low-cost implementation of Qom, which runs on an unmodified cluster of commodiry workstations.  ...  We evaluate the space of these mechanisms using seventeen synchronization constructs, which are formed from six base types of locks (T.!?.YT&Sn, Ti?iT&TEsrdiSR MCS, LH, M, and QoD).  ...  Mary Vernon commented on drafts of this paper. Satish Chandra, Babak Falsafi, Steve Reinhardt, Ioannis Schoinas, Brian Toonen helped clarify some fine points of Tempest and Blizzard.  ... 
doi:10.1145/384286.264166 fatcat:46wccg2dvrg55c3sem5iuewugu

A Multimodal Authentication System for Authorizing the Access to NGN Services

R. Melen, M. Pignolo, M. Sioli
2006 International conference on Networking and Services (ICNS'06)  
After the biometric identification is carried out, the contactless smart card allows to sense the user presence, in order to unlock his/her workstation and to recover from a server, using a secure protocol  ...  An essential feature of new generation networks is the availability of many new services offered by several different players.  ...  Demonstrator design and experimentation Demonstrator design We have developed a demonstrator for a network of Windows workstations.  ... 
doi:10.1109/icns.2006.6 dblp:conf/icns/MelenPS06 fatcat:w6uf4x33bfc2fcym2hhfxoc2ce

Performance and Scalability of Client-Server Database Architectures

Alex Delis, Nick Roussopoulos
1992 Very Large Data Bases Conference  
In this paper we present database architectures based on the Client-Server paradigm and study their performance and scalability under different query/update workloads.  ...  The role of the server is to maintain system-wide data consistency and in the case of Enhanced Client-Server to selectively propagate updates on demand.  ...  Acknowledgements: We would like thank Chiistos Faloutsos and Timos Sellis for many useful discussions and their suggestions as well as Helen Papadopoulos and Tripti Sinha for their comments on earlier  ... 
dblp:conf/vldb/DelisR92 fatcat:nce4cr6xcvhate4acdb3rvjtri

The Architecture of an Autonomic, Resource-Aware, Workstation-Based Distributed Database System [article]

Angus Macdonald
2012 arXiv   pre-print
This thesis describes the design and implementation of a workstation-based database system and investigates its viability by evaluating its performance against existing clustered database systems and testing  ...  This thesis focuses on the requirements and design of a workstation-based database system, which is motivated by an analysis of existing database architectures that are typically run over static, specially  ...  ACKNOWLEDGEMENTS I'd like to thank my supervisors, Professor Alan Dearle and Dr Graham Kirby, for the opportunities, the support, and the education that they have given me.  ... 
arXiv:1207.4821v1 fatcat:tawulclm75emheeyqanr4c4jxe

An efficient disk-based tool for solving very large Markov models [chapter]

Daniel D. Deavours, William H. Sanders
1997 Lecture Notes in Computer Science  
The tool can solve the models efficiently on a workstation with 128 Mbytes of memory and 4 Gbytes of disk.  ...  Very large Markov models often result when modeling realistic computer systems and networks. We describe a new tool for solving large Markov models on a typical engineering workstation.  ...  Cases 1 and 2 are performed on a Sony NWS-5000 workstation with 90 MB of memory.  ... 
doi:10.1007/bfb0022197 fatcat:ajbjl4vrxrg2hl36bfek7oqula

Evaluation of cluster interconnects for a distributed shared memory

S. Roy, V. Chaudhary
1999 1999 IEEE International Performance, Computing and Communications Conference (Cat. No.99CH36305)  
We have developed a multithreaded Distributed Shared Memory system Strings and evaluated its performance on such a cluster, with different communication hardware.  ...  The paper also studies the raw performance of the networking technologies using the netperf evaluation tool, and compares these results with those obtained from the benchmark programs.  ...  Two programs for the blocked LU factorization of a dense matrix form part of the suite. The non-contiguous (LU-n) version has a single producer and multiple consumers.  ... 
doi:10.1109/pccc.1999.749413 dblp:conf/ipccc/RoyC99 fatcat:tdqxqqvpurgajgfxveqin7ptae

Trends in distributed and cooperative database management [chapter]

K. Küspert, E. Rahm
1990 Lecture Notes in Computer Science  
Acknowledgements Some of the figures in Section 3 were taken from previous work done by P. Dadam.  ...  A preliminary performance evaluation of GEM usage is reported in /BHR90/.  ...  of a powerful workstation DBMS and to alleviate the performance implications.  ... 
doi:10.1007/3-540-53397-4_40 fatcat:4g4a6sjcyrez7fhfkb2kjff2v4

A Survey on Ransomware: Evolution, Taxonomy, and Defense Solutions [article]

Harun Oz, Ahmet Aris, Albert Levi, A. Selcuk Uluagac
2021 arXiv   pre-print
Specifically, covering 137 studies over the period of 1990-2020, we give a detailed overview of ransomware evolution, comprehensively analyze the key building blocks of ransomware, present a taxonomy of  ...  In order to fill this gap and motivate further research, in this paper, we present a comprehensive survey on ransomware and ransomware defense research with respect to PCs/workstations, mobile devices,  ...  The views expressed are those of the authors only, not of the funding agencies.  ... 
arXiv:2102.06249v1 fatcat:3n62zwlo2be47m3sinht5ts6bu

Demultiplexed architectures: a solution for efficient STREAMS-based communication stacks

V. Roca, T. Braun, C. Diot
1997 IEEE Network  
The impacts of the hardware architecture, of the operating system, and of the communication stack architecture on performances are analyzed.  ...  This paper analyzes the efficiency of various high performance implementation techniques for the communication system of UNIX workstations.  ...  With the advent of fast networks, the operating system impacts on performance will become more and more obvious.  ... 
doi:10.1109/65.598456 fatcat:u7zos4gztbahlnn27f6nshszl4

Parallel simulation of systemC TLM 2.0 compliant MPSoC on SMP workstations

Aline Mello, Isaac Maia, Alain Greiner, Francois Pecheux
2010 2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010)  
Another source of speedup can be exploited by parallel simulation. Multi-core workstations are becoming the mainstream, and SMP workstations will soon contain several tens of cores.  ...  First experimental results on a 40 processor MPSoC virtual prototype running on a dual-core workstation demonstrate a 1.8 speedup, versus a sequential simulation.  ...  of processor cores interconnected through a possibly hierarchical network on chip.  ... 
doi:10.1109/date.2010.5457136 dblp:conf/date/MelloMGP10 fatcat:mln4nt4suvgaliup5mmcphmcpa
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