Export Citations
Save this search
Please login to be able to save your searches and receive alerts for new content matching your search criteria.
- research-articleDecember 2020
Finally, how many efficiencies the supercomputers have?: And, what do they measure?
The Journal of Supercomputing (JSCO), Volume 76, Issue 12Dec 2020, Pages 9430–9455https://doi.org/10.1007/s11227-020-03210-4AbstractUsing extremely large number of processing elements in computing systems leads to unexpected phenomena, such as different efficiencies of the same system for different tasks, that cannot be explained in the frame of the classical computing ...
- articleJanuary 2009
Scaling analysis of a neocortex inspired cognitive model on the Cray XD1
The Journal of Supercomputing (JSCO), Volume 47, Issue 1January 2009, Pages 21–43https://doi.org/10.1007/s11227-008-0195-zThis paper presents the implementation and scaling of a neocortex inspired cognitive model on a Cray XD1. Both software and reconfigurable logic based FPGA implementations of the model are examined. This model belongs to a new class of biologically ...
- articleMay 2008
Dual-execution mode processor architecture
The Journal of Supercomputing (JSCO), Volume 44, Issue 2May 2008, Pages 103–125https://doi.org/10.1007/s11227-007-0151-3In this research work, we propose a novel embedded dual-execution mode 32-bit processor architecture (QSP32), which supports queue and stack programming models. The QSP32 core is based on a high performance produced order parallel queue architecture ...
- articleApril 2008
Dynamic partitioning of loop iterations on heterogeneous PC clusters
The Journal of Supercomputing (JSCO), Volume 44, Issue 1April 2008, Pages 1–23https://doi.org/10.1007/s11227-007-0146-0Loop partitioning on parallel and distributed systems has been a critical problem. Furthermore, it becomes more difficult to deal with on the emerging heterogeneous PC cluster environments. In the past, some loop self-scheduling schemes have been ...
- articleFebruary 2008
-
- articleFebruary 2008
Improving the parallelism of iterative methods by aggressive loop fusion
The Journal of Supercomputing (JSCO), Volume 43, Issue 2February 2008, Pages 147–164https://doi.org/10.1007/s11227-007-0124-6Traditionally, loop nests are fused only when the data dependences in the loop nests are not violated. This paper presents a new loop fusion algorithm that is capable of fusing loop nests in the presence of fusion-preventing anti-dependences. All the ...
- articleApril 2007
Supercomputing applications to the numerical modeling of industrial and applied mathematics problems
The Journal of Supercomputing (JSCO), Volume 40, Issue 1April 2007, Pages 67–80https://doi.org/10.1007/s11227-006-0014-3Present and future supercomputers offer many opportunities and advantages to attack complex and demanding industrial and applied mathematical problems, but provide also new challenges. In the Peta-Flops regime, these concern both, the way to exploit ...
- articleJuly 2005
A New Approach for High Performance Computing Systems with Various Checkpointing Schemes
The Journal of Supercomputing (JSCO), Volume 33, Issue 1July 2005, Pages 65–78https://doi.org/10.1007/s11227-005-0221-3Roll-forward recovery schemes were proposed to enhance the performance of fault tolerant systems employing checkpointing approach. In the roll-forward schemes, multiple processors are used for simultaneous roll-forward and validation processing. This ...
- articleJuly 2004
Superlinear Performance in Real-Time Parallel Computation
The Journal of Supercomputing (JSCO), Volume 29, Issue 1July 2004, Pages 89–111https://doi.org/10.1023/B:SUPE.0000022574.59906.20Can a parallel computer with n processors solve a computational problem more than n times faster than a sequential computer? Can it solve it more than n times better? New computational paradigms offer an affirmative answer to the above questions through ...
- articleJune 2004
A Group-Based Load Balance Scheme for Software Distributed Shared Memory Systems
The Journal of Supercomputing (JSCO), Volume 28, Issue 3June 2004, Pages 295–309https://doi.org/10.1023/B:SUPE.0000022101.41799.ccLoad balance is an important issue for the performance of software distributed shared memory (DSM) systems. One solution of addressing this issue is exploiting dynamic thread migration. In order to reduce the data consistency communication increased by ...
- articleJune 2004
Dynamic Load Balancing Computation of Pulses Propagating in a Nonlinear Medium
The Journal of Supercomputing (JSCO), Volume 28, Issue 3June 2004, Pages 279–294https://doi.org/10.1023/B:SUPE.0000022100.04162.86The aim of this work is to present an efficient parallel approach for the numerical computation of pulse propagation in nonlinear dispersive optical media. We consider the nonlinear Maxwell’s equations associated with the modelization of the residual ...
- articleJune 2004
Hierarchical Partitioning Techniques for Structured Adaptive Mesh Refinement Applications
The Journal of Supercomputing (JSCO), Volume 28, Issue 3June 2004, Pages 265–278https://doi.org/10.1023/B:SUPE.0000022099.81839.a3This paper presents the design and preliminary evaluation of hierarchical partitioning and load-balancing techniques for distributed structured adaptive mesh refinement (SAMR) applications. The overall goal of these techniques is to enable the load ...
- articleApril 2004
ITRA: Inter-Tier Relationship Architecture for End-to-end QoS
The Journal of Supercomputing (JSCO), Volume 28, Issue 1April 2004, Pages 43–70https://doi.org/10.1023/B:SUPE.0000014802.46613.8cThe importance of guaranteed end-to-end quality of service (QoS) increases as business-to-business (B2B) interactions become increasingly sophisticated, lengthy, and involve more sites. The collaboration between tiers to supply functionality can be ...
- articleApril 2004
An Efficient Scheduling Algorithm for Information Delivery on VoD System
The Journal of Supercomputing (JSCO), Volume 28, Issue 1April 2004, Pages 27–41https://doi.org/10.1023/B:SUPE.0000014801.65020.53Minimizing transmission and storage cost for delivering video programs is an important aspect of video-on-demand (VoD) systems. Since the size of data is quite large, “caching” programs at cheap storage sites for future delivery can be very beneficial. ...
- articleApril 2004
Dynamic Partitioning of Shared Cache Memory
The Journal of Supercomputing (JSCO), Volume 28, Issue 1April 2004, Pages 7–26https://doi.org/10.1023/B:SUPE.0000014800.27383.8fThis paper proposes dynamic cache partitioning amongst simultaneously executing processes/threads. We present a general partitioning scheme that can be applied to set-associative caches.
Since memory reference characteristics of processes/threads can ...
- articleApril 2004
Efficient Resource Utilization in Parallel and Distributed Systems
The Journal of Supercomputing (JSCO), Volume 28, Issue 1April 2004, Pages 5–6https://doi.org/10.1023/B:SUPE.0000014799.34801.e9For this special issue we have selected five papers that address, from several points of view, the problem of efficient utilization of resources in parallel and distributed systems. These papers were among the best papers presented at the IASTED PDCS ...
- articleMarch 2004
Parallel Processing of First Order Linear Recurrence on SMP Machines
The Journal of Supercomputing (JSCO), Volume 27, Issue 3March 2004, Pages 295–310https://doi.org/10.1023/B:SUPE.0000011389.69863.dcIn this paper, we propose a new algorithm that analyzes the data dependency pattern in the first-order linear recurrence (FOLR) and transforms it into algebraically equivalent expanded form so that it can be processed in parallel using the threads on ...
- articleMarch 2004
Modeling Latency in Deterministic Wormhole-Routed Hypercubes under Hot-Spot Traffic
The Journal of Supercomputing (JSCO), Volume 27, Issue 3March 2004, Pages 265–278https://doi.org/10.1023/B:SUPE.0000011387.24259.d1Analytical models of deterministic routing in common wormhole-routed networks, such as the hypercube, have been widely reported in the literature. However, all these models have been discussed for the uniform traffic pattern. The performance of ...