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Fission: A Provably Fast, Scalable, and Secure Permissionless Blockchain
[article]
2018
arXiv
pre-print
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By re-innovating all the core elements of the blockchain technology - computation, networking, and storage - in a holistic manner, Fission aims to achieve the best balance among scalability, security and ...
Fission applies a hybrid network which consists of a relay network, and a peer-to-peer network. ...
Both N e max and δ are pre-determined in Fission, and they can be adjusted for the best practice. ...
arXiv:1812.05032v2
fatcat:d5fmz7a55je5rdqz2qztwg2nwa
Parallel Fission Bank Algorithms in Monte Carlo Criticality Calculations
2012
Nuclear science and engineering
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In this work, we describe a new method for parallelizing the source iterations in a Monte Carlo criticality calculation. ...
The algorithm was implemented in a simple Monte Carlo code and shown to scale up to hundreds of processors and furthermore outperforms traditional algorithms by at least two orders of magnitude in wall-clock ...
A separate simulation using each of the algorithms was run from a single compute node up to 88 compute nodes in parallel. ...
doi:10.13182/nse10-98
fatcat:xijstclqbff2nhfh7dnrwnjxhu
Fission Dynamics of 240Pu from Saddle-to-Scission and Beyond
[article]
2019
arXiv
pre-print
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Calculations are presented for the time evolution of ^240Pu from the proximity of the outer saddle point until the fission fragments are well separated, using the time-dependent density functional theory ...
An unexpected finding is varying the pairing strength within a quite large range has only minor effects on the dynamics. ...
Bertsch for numerous discussions and helpful comments on the manuscript and to P. Magierski for a number of suggestions to improve the narrative. We thank I. Abdurrahman for helping preparing Fig. ...
arXiv:1806.00694v2
fatcat:uoefriixozbptflz3zkr54l724
Microscopic theory of nuclear fission: a review
2016
Reports on progress in physics (Print)
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2015 pre-print arXiv:1511.07517v1 fatcat:tlb64tr57rbpbllq4dopjqvamiOther Versions
A trademark of the microscopic theory of fission is the tremendous amount of computing needed for practical applications. ...
In practice, this hypothesis of adiabaticity is implemented by introducing (a few) collective variables and mapping out the many-body Schr\"odinger equation into a collective Schr\"odinger-like equation ...
Computational resources were provided through an INCITE award "Computational Nuclear Structure" by the National Center for Computational Sciences (NCCS) and National Institute for Computational Sciences ...
doi:10.1088/0034-4885/79/11/116301
pmid:27727148
fatcat:tvwibdy6xfhhlocqdqr4wsw66a
Predicting the Fission Yeast Protein Interaction Network
2012
G3: Genes, Genomes, Genetics
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Fission yeast (Schizosaccharomyces pombe) is a valuable model organism for which no systematic protein-interaction data are available. ...
Even though any predicted interactome is imperfect, the protein network presented here can provide a valuable basis to explore biological processes and to guide wet-lab experiments in fission yeast and ...
, and Sanjay Khadayate and Fengyuan Hu for help with setting up the web interface. ...
doi:10.1534/g3.111.001560
pmid:22540037
pmcid:PMC3337474
fatcat:jacqnhdtzfeoxfxoeywdinco5a
Selective element fission approach for fast FEM simulation of incremental sheet forming based on dual-mesh system
2014
The International Journal of Advanced Manufacturing Technology
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The introduction of a background mesh for simulation data storage and a separate simulation mesh with varied mesh density for simulation ensures both the efficiency of computation and accuracy of results ...
Focusing on this problem, this paper presents a new selective element fission (SEF) approach for simulation of ISF process based on LS-DYNA. ...
Because of this, a proper segment length plays a key role in balancing the computation efficiency and simulation accuracy. ...
doi:10.1007/s00170-014-6723-5
fatcat:vq7rpfszhbftbfxiw2goglvcbi
Multiscale modelling for fusion and fission materials: the M4F project
2021
Nuclear Materials and Energy
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From the computational point of view, one of the problems was the difficulty of parallelising these algorithms in order to increase simulated volumes and times [93] [94] [95] . ...
For this, the primary knock-on atom (PKA) spectra were first calculated for different fission and fusion neutron facilities. ...
doi:10.1016/j.nme.2021.101051
fatcat:d3nwcbaeqjfmnoqzfnrpxhewrq
Automated GPU Kernel Transformations in Large-Scale Production Stencil Applications
2015
Proceedings of the 24th International Symposium on High-Performance Parallel and Distributed Computing - HPDC '15
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, searching for optimal kernel fissions/fusions, and generation of optimized code. ...
We demonstrate the practicality and effectiveness of automatic transformations in exploiting exposed data localities using a variety of real-world applications with large codebases that contain dozens ...
Acknowledgments This project was partially supported by JST, CREST through its research program: "Highly Productive, High Performance Application Frameworks for Post Petascale Computing." ...
doi:10.1145/2749246.2749255
dblp:conf/hpdc/WahibM15
fatcat:ek2v4yc2dnhkzj2bnqgftwjepm
Recent Advances in Graph Partitioning
[chapter]
2016
Lecture Notes in Computer Science
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We survey recent trends in practical algorithms for balanced graph partitioning together with applications and future research directions. ...
Acknowledgements We express our gratitude to Bruce Hendrickson, Dominique LaSalle, and George Karypis for many valuable comments on a preliminary draft of the manuscript. ...
Flows The well-known max-ow min-cut theorem [FF56] can be used to separate two node sets in a graph by computing a maximum ow and hence a minimum cut between them. ...
doi:10.1007/978-3-319-49487-6_4
fatcat:4zamxcmgvfbaxndjgxv6jog6km
Recent Advances in Graph Partitioning
[article]
2015
arXiv
pre-print
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We survey recent trends in practical algorithms for balanced graph partitioning together with applications and future research directions. ...
Acknowledgements We express our gratitude to Bruce Hendrickson, Dominique LaSalle, and George Karypis for many valuable comments on a preliminary draft of the manuscript. ...
Flows The well-known max-flow min-cut theorem [FF56] can be used to separate two node sets in a graph by computing a maximum flow and hence a minimum cut between them. ...
arXiv:1311.3144v3
fatcat:zmvhlkh7ynbzvm353fv22f2gnq
An Efficient Scheme for Coupling OpenMC and FLUENT with Adaptive Load Balancing
2021
Science and Technology of Nuclear Installations
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In addition, the adaptive load-balancing algorithms are especially effective when a case demands different computational power of OpenMC and FLUENT. ...
algorithm when the number of nodes is large. ...
With this algorithm, the total number of compute nodes (N total ) and the minimum number of nodes used for MC code (N mc ) and CFD code (N cfd ) should be set before running the coupled program. en, MC-FLUENT ...
doi:10.1155/2021/5549602
fatcat:oqsqr66alzajfiflx5eyjnyphm
Tutorial
2013
Proceedings of the 7th ACM international conference on Distributed event-based systems - DEBS '13
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After this survey, the tutorial continues with a deep-dive into the fission optimization, which automatically transforms streaming applications for data-parallelism. ...
This tutorial starts with a survey of optimizations for streaming applications. ...
The optimization catalog is currently under submission for a journal article. ...
doi:10.1145/2488222.2488268
dblp:conf/debs/SchneiderHG13
fatcat:bedwzw6gfzgt5aevtdc5covo6e
Exploiting coarse-grained task, data, and pipeline parallelism in stream programs
2006
SIGARCH Computer Architecture News
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As multicore architectures enter the mainstream, there is a pressing demand for high-level programming models that can effectively map to them. ...
Our compiler, which maps from the StreamIt language to the 16-core Raw architecture, attains a 11.2x mean speedup over a single-core baseline, and a 1.84x speedup over our previous work. ...
We are very grateful to Michael Taylor, Jonathan Eastep, and Samuel Larsen for their help with the Raw infrastructure, and to Ronny Krashinsky for his comments on this paper. ...
doi:10.1145/1168919.1168877
fatcat:ha2w3gf64vg3bfhmsbu4y64zdi
Exploiting coarse-grained task, data, and pipeline parallelism in stream programs
2006
Proceedings of the 12th international conference on Architectural support for programming languages and operating systems - ASPLOS-XII
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As multicore architectures enter the mainstream, there is a pressing demand for high-level programming models that can effectively map to them. ...
Our compiler, which maps from the StreamIt language to the 16-core Raw architecture, attains a 11.2x mean speedup over a single-core baseline, and a 1.84x speedup over our previous work. ...
We are very grateful to Michael Taylor, Jonathan Eastep, and Samuel Larsen for their help with the Raw infrastructure, and to Ronny Krashinsky for his comments on this paper. ...
doi:10.1145/1168857.1168877
dblp:conf/asplos/GordonTA06
fatcat:z6oxfi2pizamdircj2pkckqn7m
Exploiting coarse-grained task, data, and pipeline parallelism in stream programs
2006
ACM SIGOPS Operating Systems Review
Preserved Fulltext
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The file type is application/pdf.
As multicore architectures enter the mainstream, there is a pressing demand for high-level programming models that can effectively map to them. ...
Our compiler, which maps from the StreamIt language to the 16-core Raw architecture, attains a 11.2x mean speedup over a single-core baseline, and a 1.84x speedup over our previous work. ...
We are very grateful to Michael Taylor, Jonathan Eastep, and Samuel Larsen for their help with the Raw infrastructure, and to Ronny Krashinsky for his comments on this paper. ...
doi:10.1145/1168917.1168877
fatcat:lio4fpc6xndzrgmlm2jwz653qm
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