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Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Pipelined methods"

1

Sanan, P., S. M. Schnepp, and D. A. May. "Pipelined, Flexible Krylov Subspace Methods." SIAM Journal on Scientific Computing 38, no. 5 (January 2016): C441—C470. http://dx.doi.org/10.1137/15m1049130.

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2

Abbas, Abdulkareem Dawah. "Review of high-speed phase accumulator for direct digital frequency synthesizer." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 4 (August 1, 2020): 4008. http://dx.doi.org/10.11591/ijece.v10i4.pp4008-4014.

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A review of high-speed pipelined phase accumulator (PA) is proposed in this paper. The detail explanation of ideas, methods and techniques used in previous researches to improve the PA throughput designs were surveyed. The Brent–Kung (BK) adder was modified in this paper to be applied in pipelined PA architecture. A comparison of different adder circuits, includes a modified BK, ripple carry adder (RCA), Kogge-Stone adder (KS) and other prefix adders were applied to architect the PA based on Pipeline technique. The presented pipelined PA design circuit with multiple frequency control word (FCW) and different adders were coded Verilog hardware description language (HDL) code, compiled and verified with field programmable gate array (FPGA) kit platform. The comparison result shows that the modified BK adder has fast performances. The shifted clocking technique is utilized in the proposed pipelined PA circuit to reduce the unwanted repetitive D-flip flop (DFF) registers (coming from the pipeline technique), while preserving the high speed.
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3

GANAPATHY, KUMAR, and BENJAMIN W. WAH. "OPTIMAL SYNTHESIS OF PROCESSOR ARRAYS WITH PIPELINED ARITHMETIC UNITS." Parallel Processing Letters 04, no. 03 (September 1994): 339–50. http://dx.doi.org/10.1142/s0129626494000314.

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Two-level pipelining in processor arrays (PAs) involves pipelining of operations across processing elements (PEs) and pipelining of operations in functional units in each PE. Although it is an attractive method for improving the throughput of PAs, existing methods for generating PAs with two-level pipelining are restricted and cannot systematically explore the entire space of feasible designs. In this paper, we extend a systematic design method, called General Parameter Method (GPM), we have developed earlier to find optimal designs of PAs with two-level pipelines. The basic idea is to add new constraints on periods of data flows to include the effect of internal functional pipelines in the PEs. As an illustration, we present pipelined PA designs for computing matrix products. For n-dimensional meshes and other symmetric problems, we provide an efficient scheme to obtain a pipelined PA from a non-pipelined PA using a reindexing transformation. This scheme is used in GPM as a pruning condition to arrive at optimal pipelined PAs efficiently. For pipelines with minimum initiation interval (MII) greater than unity, we show additional constraints that ensure correctness of the synthesized PAs.
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4

Bonomo, John P., and Wayne R. Dyksen. "Pipelined iterative methods for shared memory machines." Parallel Computing 11, no. 2 (August 1989): 187–99. http://dx.doi.org/10.1016/0167-8191(89)90028-8.

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5

Chen, Rongxin, Zongyue Wang, and Yuling Hong. "Pipelined XPath Query Based on Cost Optimization." Scientific Programming 2021 (May 27, 2021): 1–16. http://dx.doi.org/10.1155/2021/5559941.

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XPath query is the key part of XML data processing, and its performance is usually critical for XML applications. In the process of XPath query, there is inherent seriality between query steps, which makes it difficult to parallelize the query effectively as a whole. On the other hand, although XPath query has the characteristics of data stream processing and is suitable for pipeline processing, the data flow of each query step usually varies a lot, which results in limited performance under multithreading conditions. In this paper, we propose a pipelined XPath query method (PXQ) based on cost optimization. This method uses pipelined query primitives to process query steps based on relation index. During pipeline construction, a cost estimation model based on XML statistics is proposed to estimate the cost of the query primitive and provide guidance for the creation of a pipeline phase through the partition of query primitive sequence. The pipeline construction technique makes full use of available worker threads and optimizes the load balance between pipeline stages. The experimental results show that our method can adapt to the multithreaded environment and stream processing scenarios of XPath query, and its performance is better than the existing typical query methods based on data parallelism.
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6

Wang, Cheng-Yeh, Chih-Bin Kuo, and Jing-Yang Jou. "Hybrid Wordlength Optimization Methods of Pipelined FFT Processors." IEEE Transactions on Computers 56, no. 8 (August 2007): 1105–18. http://dx.doi.org/10.1109/tc.2007.1059.

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7

Morgan, Hannah, Matthew G. Knepley, Patrick Sanan, and L. Ridgway Scott. "A stochastic performance model for pipelined Krylov methods." Concurrency and Computation: Practice and Experience 28, no. 18 (March 31, 2016): 4532–42. http://dx.doi.org/10.1002/cpe.3820.

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8

Sas, Jerzy, and Andrzej Żołnierek. "Pipelined language model construction for Polish speech recognition." International Journal of Applied Mathematics and Computer Science 23, no. 3 (September 1, 2013): 649–68. http://dx.doi.org/10.2478/amcs-2013-0049.

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Abstract The aim of works described in this article is to elaborate and experimentally evaluate a consistent method of Language Model (LM) construction for the sake of Polish speech recognition. In the proposed method we tried to take into account the features and specific problems experienced in practical applications of speech recognition in the Polish language, reach inflection, a loose word order and the tendency for short word deletion. The LM is created in five stages. Each successive stage takes the model prepared at the previous stage and modifies or extends it so as to improve its properties. At the first stage, typical methods of LM smoothing are used to create the initial model. Four most frequently used methods of LM construction are here. At the second stage the model is extended in order to take into account words indirectly co-occurring in the corpus. At the next stage, LM modifications are aimed at reduction of short word deletion errors, which occur frequently in Polish speech recognition. The fourth stage extends the model by insertion of words that were not observed in the corpus. Finally the model is modified so as to assure highly accurate recognition of very important utterances. The performance of the methods applied is tested in four language domains.
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9

Liu, Ya Li, Wen Yan Chai, and Xiu Rong Li. "A Pipelined Parallelism Approach to Parallel Short-Range Molecular Dynamics Simulations on Multi-Core Platforms." Applied Mechanics and Materials 513-517 (February 2014): 2207–10. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.2207.

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We present a pipelined parallelism approach to implement the short-range force computations in molecular dynamic simulations on a multi-core machine. Our methodology is based on the OpenMP programming model. It uses multiple producer threads and a single consumer thread to adapt the application for pipeline parallelism, and utilizes the high inter-core communication bandwidth. Multiple producer threads compute the short-range force, and the consumer thread modifies the global force-array. Compared with some other methods applied in data parallelism that can parallelize reduction operations on a force-array, our method achieves high performance especially when the simulation system is characterized by irregular geometry or by inhomogeneous atom densities.
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10

Yanakova, E. S., G. T. Macharadze, L.G. Gagarina, and A. A. Shvachko. "Parallel-Pipelined Video Processing in Multicore Heterogeneous Systems on Chip." Proceedings of Universities. Electronics 26, no. 2 (April 2021): 172–83. http://dx.doi.org/10.24151/1561-5405-2021-26-2-172-183.

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A turn from homogeneous to heterogeneous architectures permits to achieve the advantages of the efficiency, size, weight and power consumption, which is especially important for the built-in solutions. However, the development of the parallel software for heterogeneous computer systems is rather complex task due to the requirements of high efficiency, easy programming and the process of scaling. In the paper the efficiency of parallel-pipelined processing of video information in multiprocessor heterogeneous systems on a chip (SoC) such as DSP, GPU, ISP, VDP, VPU and others, has been investigated. A typical scheme of parallel-pipelined processing of video data using various accelerators has been presented. The scheme of the parallel-pipelined video data on heterogeneous SoC 1892VM248 has been developed. The methods of efficient parallel-pipelined processing of video data in heterogeneous computers (SoC), consisting of the operating system level, programming technologies level and the application level, have been proposed. A comparative analysis of the most common programming technologies, such as OpenCL, OpenMP, MPI, OpenAMP, has been performed. The analysis has shown that depend-ing on the device finite purpose two programming paradigms should be applied: based on OpenCL technology (for built-in system) and MPI technology (for inter-cell and inter processor interaction). The results obtained of the parallel-pipelined processing within the framework of the face recognition have confirmed the effectiveness of the chosen solutions.
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Дисертації з теми "Pipelined methods"

1

Beckwith, Luke Parkhurst. "An Investigation of Methods to Improve Area and Performance of Hardware Implementations of a Lattice Based Cryptosystem." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/100798.

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With continuing research into quantum computing, current public key cryptographic algorithms such as RSA and ECC will become insecure. These algorithms are based on the difficulty of integer factorization or discrete logarithm problems, which are difficult to solve on classical computers but become easy with quantum computers. Because of this threat, government and industry are investigating new public key standards, based on mathematical assumptions that remain secure under quantum computing. This paper investigates methods of improving the area and performance of one of the proposed algorithms for key exchanges, "NewHope." We describe a pipelined FPGA implementation of NewHope512cpa which dramatically increases the throughput for a similar design area. Our pipelined encryption implementation achieves 652.2 Mbps and a 0.088 Mbps/LUT throughput-to-area (TPA) ratio, which are the best known results to date, and achieves an energy efficiency of 0.94 nJ/bit. This represents TPA and energy efficiency improvements of 10.05× and 8.58×, respectively, over a non-pipelined approach. Additionally, we investigate replacing the large SHAKE XOF (hash) function with a lightweight Trivium based PRNG, which reduces the area by 32% and improves energy efficiency by 30% for the pipelined encryption implementation, and which could be considered for future cipher specifications.
Master of Science
Cryptography is prevalent in almost every aspect of our lives. It is used to protect communication, banking information, and online transactions. Current cryptographic protections are built specifically upon public key encryption, which allows two people who have never communicated before to setup a secure communication channel. However, due to the nature of current cryptographic algorithms, the development of quantum computers will make it possible to break the algorithms that secure our communications. Because of this threat, new algorithms based on principles that stand up to quantum computing are being investigated to find a suitable alternative to secure our systems. These algorithms will need to be efficient in order to keep up with the demands of the ever growing internet. This paper investigates four hardware implementations of a proposed quantum-secure algorithm to explore ways to make designs more efficient. The improvements are valuable for high throughput applications, such as a server which must handle a large number of connections at once.
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2

Sever, Refik. "Wave Component Sampling Method For High Performance Pipelined Circuits." Phd thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613893/index.pdf.

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In all of the previous pipelining methods such as conventional pipelining, wave pipelining, and mesochronous pipelining, a data wave propagating on the combinational circuit is sampled whenever it arrives to a synchronization stage. In this study, a new wave-pipelining methodology named as Wave Component Sampling Method (WCSM), is proposed. In this method, only the component of a wave, whose maximum and minimum delay difference exceeds the tolerable value, is sampled, and the other components continue to propagate on the circuit. Therefore, the total number of registers required for synchronization decreases significantly. For demonstrating the effectiveness of the proposed WCSM, an 8x8 bit carry save In all of the previous pipelining methods such as conventional pipelining, wave pipelining, and mesochronous pipelining, a data wave propagating on the combinational circuit is sampled whenever it arrives to a synchronization stage. In this study, a new wave-pipelining methodology named as Wave Component Sampling Method (WCSM), is proposed. In this method, only the component of a wave, whose maximum and minimum delay difference exceeds the tolerable value, is sampled, and the other components continue to propagate on the circuit. Therefore, the total number of registers required for synchronization decreases significantly. For demonstrating the effectiveness of the proposed WCSM, an 8x8 bit carry save adder (CSA) multiplier is implemented using 0.18µ
m CMOS technology. A generic transmission gate logic block with optimized output delay variation depending on the input pattern is designed and used in all of the sub blocks of the multiplier. Post layout simulation results show that, this multiplier can operate at a speed of 3GHz, using only 70 latches. Comparing with the mesochronous pipelining scheme, the number of the registers is decreased by 41% and the total power of the chip is also decreased by 9.5% without any performance loss. An ultra high speed full pipelined CSA multiplier with an operating frequency of 5GHz is also implemented with WCSM. The number of registers is decreased by 45%, and the power consumption of the circuit is decreased by 18.4% comparing with conventional or mesochronous pipelining methods. WCSM is also applied to different multiplier structures employing booth encoders, Wallace trees, and carry look-ahead adders. Comparing full pipelined 8x8 bit WCSM multiplier with the conventional pipelined multiplier, the number of registers in the implementation of booth encoder, Wallace tree, and carry look-ahead adder is decreased by 30%, 51%, and %62, respectively.
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Bettis, Dane Edward. "Digital production pipelines: examining structures and methods in the computer effects industry." Thesis, Texas A&M University, 2005. http://hdl.handle.net/1969.1/2406.

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Computer animated films require collaboration: blending artistic concept with technical skill, meeting budget constraints and adhering to deadlines. The path which production follows from initial idea to finished product is known as the pipeline. The purpose of this thesis is to collect, study and share information regarding production pipeline practices and to derive a conceptual definition. Research focused on selected companies in the United States which have produced at least one feature-length computer generated film and continue to produce them. The key finding of this thesis is a conceptual definition of digital production pipelines: A digital production pipeline must, by definition, utilize digital computing hardware and software to facilitate human work and collaboration for the overarching purpose of producing content for film. The digital production pipeline is not a structure, but rather a malleable set of components which can be arranged, configured, and adapted into new structures as needed. These malleable components are human groups with assigned task domains, and digital hardware and software systems. The human groups are normally referred to as departments or teams. The digital hardware and software systems are operating systems, software tools and applications, networks, processors, and storage. The digital production pipeline is the synergy of these two types of components into adaptable systems and structures.
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Durrani, Jawad Nadeem. "Dynamics of pipelines with a finite element method." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ65153.pdf.

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5

Laricchia, Francesco. "Study of offshore flexible pipelines with analytical and numerical methods." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.

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The work outlined presents three different analytical approaches for analyze a flexible pipelines, combined in one unified formulation. Additionally, a finite element model of an unbonded flexible riser is presented. Are reported results and discussion about a flexible pipeline subjected to a tensional load and internal pressure and focus on Axial tension-elongation curves under different lay angles of helical tendons.
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Wood, Stephen L. "Modeling of Pipeline Transients: Modified Method of Characteristics." FIU Digital Commons, 2011. http://digitalcommons.fiu.edu/etd/456.

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The primary purpose of this research was to improve the accuracy and robustness of pipeline transient modeling. An algorithm was developed to model the transient flow in closed tubes for thin walled pipelines. Emphasis was given to the application of this type of flow to pipelines with small radius 90° elbows. An additional loss term was developed to account for the presence of 90° elbows in a pipeline. The algorithm was integrated into an optimization routine to fit results from the improved model to experimental data. A web based interface was developed to facilitate the pre- and post- processing operations. Results showed that including a loss term that represents the effects of 90° elbows in the Method of Characteristics (MOC) [1] improves the accuracy of the predicted transients by an order of magnitude. Secondary objectives of pump optimization, blockage detection and removal were investigated with promising results.
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7

Shirazi, Nabeel. "Methods and tool for implementing run-time reconfigurable FPGA designs." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313986.

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8

Benkherouf, A. "Failure identification methods for detecting leaks in pipelines and sensor faults." Thesis, University of Manchester, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375341.

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9

Alam, Muhammad Shafiqul. "Lattice Boltzmann modelling of two and three-dimensional flow and scour around offshore pipelines." University of Western Australia. School of Civil and Resource Engineering, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0161.

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[Truncated abstract] The hydrodynamic forces on a marine pipeline and the local scour around it are the most serious and important issues in designing and maintaining pipelines. This thesis explores the vortex shedding phenomena for the flow over smooth surface and rough surface isolated cylinders. This thesis also explores the two-dimensional and three-dimensional scour process beneath offshore pipelines numerically. A series of numerical models are proposed in this dissertation for the prediction of flow characteristics and the time development of local scour around pipelines. All the models presented in this thesis are deliberately developed based on novel lattice Boltzmann method (LBM), because in recent years it has been considered as a serious alternative to standard computational fluid dynamics (CFD) as it is ideally suited to massively parallel computations. The lattice Boltzmann method is described in details to reveal how it recovers the Navier- Stokes equations. Various grid refinement schemes available in literature are discussed and a slightly modified new scheme is proposed to remove oscillatory solutions at high velocity change regime. The proposed scheme is then validated against bench mark tests for low Reynolds number flow. A turbulent model based on LBM is developed in order to predict the vortex shedding flow around an isolated square smooth surface cylinder. The various local and global flow parameters and structure of vortices are validated against experimental and numerical data available in literature. The model is then extended to investigate the vortex shedding flow over an isolated rough surface cylinder as it has an engineering significance in the design process of pipelines. The model is employed to investigate the influence of pipe roughness on various local and global parameters of flow. ... Significant part of this thesis is aimed at modelling flow and local scour around pipelines employing LBM and cellular automata (CA) methods. The erosion mechanism of the CA method available in literature for sand particles is improved by defining the threshold of sediment entrainment on bed in a similar manner to that employed in the traditional scour models. The predicted scour profiles for various incoming flow conditions are found to compare well with the experimental results reported in the literature. The existence of lee wake erosion due to continuous generation of vortex shedding in the lee of the pipelines is revealed. The time development of the maximum scour depth below the pipe is also found to be in good agreement with the experimental measurements reported in literature Finally, a three-dimensional flow and scour model is developed in order to explore the scour process beneath pipelines. It is revealed that the three-dimensionality effects are more pronounced near the span shoulder. On the other hand, there exists a two-dimensional scour regime in the vicinity of the middle section of the suspended pipe. It is found that the propagation speed of the scour hole in the sapnwise direction remains almost constant at all stages of scour process.
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10

ARAMAKI, THIAGO LESSA. "DEVELOPMENT AND VALIDATION OF METHODS FOR DETECTION AND LOCALIZATION OF PIPELINE LEAKS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=27567@1.

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Empresas que operam dutos possuem como uma de suas premissas básicas a segurança operacional. Dentro desse quesito, alguns fatores podem levar a acidentes com possibilidade de danos materiais, ambientais e pessoais, tais como: corrosão interna e externa, escavações acidentais, operações indevidas levando o duto a pressões excessivas, assim como ações de terceiros cujo objetivo seria o furto de produtos refinados, gasolina, diesel, álcool, entre outros. Esta dissertação está alinhada com necessidades reais de empresas relacionadas ao transporte de produtos líquidos por dutos, desenvolvendo sistemas que possam vir a ser utilizados nestas empresas. Foram desenvolvidos sistemas de detecção e localização de vazamentos a serem utilizados em um centro de controle operacional de oleodutos, investigando métodos não convencionais, além dos mencionados pela norma API 1130. Foram desenvolvidos sistemas de detecção de vazamento por balanço de massa, balanço de volume, lógica fuzzy e redes neurais artificiais. Para localização de vazamentos, foram testados os métodos por redes neurais, pela estimativa da velocidade sônica e do gradiente hidráulico. Os produtos utilizados foram gasolina, diesel e óleo combustível. No quesito detecção de vazamento, o sistema baseado em redes neurais detectou vazamentos simulados, porém também indicou indevidamente. O sistema baseado em lógica fuzzy apresentou bons resultados, indicando vazamentos corretamente sem falsos positivos, interpretando corretamente os fenômenos inerentes à operação de dutos. O sistema de balanço de massa também apresentou bons resultados, ou seja, não gerou alarmes falsos, detectando corretamente os vazamentos simulados, inclusive para detecção de vazamento com duto parado e pressurizado. Para avaliar sistemas de detecção de vazamento é comum realizar testes de campo que podem ter um custo alto e levar muito tempo para realizar. Um método para realizar testes a um custo inferior deve ser desenvolvido e uma proposta está sendo mostrada nesta dissertação.
Companies in the business of pipeline operations have as a basic assumption, operational security. Concerning this issue, there are some factors that could lead to accidents with material, environment and personal damage possibilities such as: internal and external corrosion, accidental excavations, improper operation that could submit the pipe to high pressures and third party interventions interested in commodities theft. This dissertation is aligned with pipeline companies real demands through the development of systems that could be used by these companies. Leak detection systems provided with leak location capabilities were developed to be used in liquid pipeline control centers, exploring non-conventional methods, besides the ones mentioned by API 1130. The leak detection systems developed were: mass balance, volume balance, fuzzy logic and neural networks. For the leak location systems the systems tested were: sonic velocity, hydraulic gradient and artificial neural networks. The products used were gasoline, diesel and fuel oil. On the issue of leak detection, the system based on neural networks detected simulated leakages, although there were some false indications. The system based on fuzzy logic presented good results, giving correct leak indications without any indication of false alarms, interpreting correctly the phenomena due to pipeline usual operations. The mass balance system has also presented good results, not generating false alarms, but detecting simulated leaks even with the pipeline in shut-in condition. To evaluate leak detection systems is common to conduct field tests that can be costly and take a long time to accomplish. A method for testing at a lower cost should be developed and a proposal is being shown in this work.
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Книги з теми "Pipelined methods"

1

Liou, Jim C. P. Pipeline variable uncertainties and their effects on leak detectability. Washington, D.C: American Petroleum Institute, 1993.

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2

Enloe, Lindsay. Practical corrosion control methods for gas utility piping. 2nd ed. Houston, TX: NACE International, 1995.

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3

J, Scholze R., and Construction Engineering Research Laboratory, eds. Review of PIM (Pipeline Insertion Method) technology. Champaign, Ill: US Army Corps of Engineers, Construction Engineering Research Laboratory, 1991.

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4

Alberta. Scientific and Engineering Services and Research Division. A thermographic detection system for pipeline leaks. [Edmonton, Alta.]: Alberta Energy and Natural Resources, Scientific and Engineering Services and Research Division, 1985.

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5

1909-, Miller John E., Schmidt Frederick 1945-, and ASTM Committee G-2 on Erosion and Wear., eds. Slurry erosion: Uses, applications, and test methods : a symposium. Philadelphia, PA: American Society for Testing and Materials, 1987.

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6

Alberta. Alberta Energy. Research and Technology Branch. and Alberta Office of Coal Research and Technology., eds. Studies of coal slurry systems and alternative coal transportation methods. Edmonton: Alberta Energy, Research and Technology Branch, 1991.

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7

W, Maresca J., and Risk Reduction Engineering Laboratory (U.S.), eds. Standard test procedures for evaluating leak detection methods: Pipeline leak detection systems. Cincinnati, OH: U.S. Environmental Protection Agency, Risk Reduction Engineering Laboratory, 1991.

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8

Hobbs, J. M. Standard methods for calibrating flowmeters and testing pipeline components in water at NEL. East Kilbridge,Glasgow: National Engineering Laboratory, 1987.

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9

Fowler, Jimmy E. Coastal scour problems and methods for prediction of maximum scour. [Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 1993.

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Fowler, Jimmy E. Coastal scour problems and methods for prediction of maximum scour. [Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 1993.

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Частини книг з теми "Pipelined methods"

1

Manolios, Panagiotis. "Correctness of Pipelined Machines." In Formal Methods in Computer-Aided Design, 181–98. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/3-540-40922-x_11.

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Sawada, Jun. "Verification of a Simple Pipelined Machine Model." In Advances in Formal Methods, 137–50. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/978-1-4757-3188-0_9.

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Velev, Miroslav N., and Ping Gao. "Method for Formal Verification of Soft-Error Tolerance Mechanisms in Pipelined Microprocessors." In Formal Methods and Software Engineering, 355–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-16901-4_24.

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Velev, Miroslav N., and Randal E. Bryant. "Bit-Level Abstraction in the Verification of Pipelined Microprocessors by Correspondence Checking." In Formal Methods in Computer-Aided Design, 18–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/3-540-49519-3_3.

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Davlianidze, Pridon, Levan Alekhin, Tengiz Tsamalashvili, and Ioseb Zeikidze. "Methods to Determine Parameters Characterizing Technical State of Pipelines with Pronounced Deposition." In Pipeline Systems, 323–30. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-2677-1_26.

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Pedrioli, Patrick G. A. "Trans-Proteomic Pipeline: A Pipeline for Proteomic Analysis." In Methods in Molecular Biology, 213–38. Totowa, NJ: Humana Press, 2009. http://dx.doi.org/10.1007/978-1-60761-444-9_15.

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Garfias-Gallegos, Diego, Claudia Zirión-Martínez, Edder D. Bustos-Díaz, Tania Vanessa Arellano-Fernández, José Abel Lovaco-Flores, Aarón Espinosa-Jaime, J. Abraham Avelar-Rivas, and Nelly Sélem-Mójica. "Metagenomics Bioinformatic Pipeline." In Methods in Molecular Biology, 153–79. New York, NY: Springer US, 2022. http://dx.doi.org/10.1007/978-1-0716-2429-6_10.

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Timashev, Sviatoslav, and Anna Bushinskaya. "Methods of ILI Results Analysis." In Diagnostics and Reliability of Pipeline Systems, 73–223. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-25307-7_4.

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Starr, Justin. "Methods for Detecting Hydrogen Sulfide Gas." In Water and Wastewater Pipeline Assessment Technologies, 97–110. First edition. | Boca Raton : CRC Press, 2021.: CRC Press, 2021. http://dx.doi.org/10.1201/9780429198731-5.

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Keller, Andrew, and David Shteynberg. "Software Pipeline and Data Analysis for MS/MS Proteomics: The Trans-Proteomic Pipeline." In Methods in Molecular Biology, 169–89. Totowa, NJ: Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60761-977-2_12.

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Тези доповідей конференцій з теми "Pipelined methods"

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Fleming, Kermin, Myron King, Man Cheuk Ng, Asif Khan, and Muralidaran Vijayaraghavan. "High-throughput Pipelined Mergesort." In 2008 6th ACM/IEEE International Conference on Formal Methods and Models for Codesign (MEMOCODE '08). IEEE, 2008. http://dx.doi.org/10.1109/memcod.2008.4547704.

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Javaid, Haris, Andhi Janapsatya, Mohammad Shihabul Haque, and Sri Parameswaran. "Rapid runtime estimation methods for pipelined MPSoCs." In 2010 Design, Automation & Test in Europe Conference & Exhibition (DATE 2010). IEEE, 2010. http://dx.doi.org/10.1109/date.2010.5457178.

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Tiwari, Manasi, and Sathish Vadhiyar. "Pipelined Preconditioned Conjugate Gradient Methods for Distributed Memory Systems." In 2020 IEEE 27th International Conference on High Performance Computing, Data, and Analytics (HiPC). IEEE, 2020. http://dx.doi.org/10.1109/hipc50609.2020.00029.

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Juang, Tso-Bing, and Chin-Chieh Chiu. "New recoding methods for fully pipelined parallel CORDIC rotations." In 2015 International SoC Design Conference (ISOCC). IEEE, 2015. http://dx.doi.org/10.1109/isocc.2015.7401702.

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Hofferek, Georg, and Roderick Bloem. "Controller synthesis for pipelined circuits using uninterpreted functions." In 2011 9th IEEE/ACM International Conference on Formal Methods and Models for Codesign (MEMOCODE 2011). IEEE, 2011. http://dx.doi.org/10.1109/memcod.2011.5970508.

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Bauer, Michael A., Alain Biem, Stewart McIntyre, Yuzhen Xie, Ilias Kotsireas, Roderick Melnik, and Brian West. "Pipelined Processing of X-ray Microdiffraction Data on Multicores." In ADVANCES IN MATHEMATICAL AND COMPUTATIONAL METHODS: ADDRESSING MODERN CHALLENGES OF SCIENCE, TECHNOLOGY, AND SOCIETY. AIP, 2011. http://dx.doi.org/10.1063/1.3663524.

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Zhang Sheng, Wang Nailong, and Zhou Runde. "Power analysis and optimization methods of the pipelined array multiplier." In 2003 5th International Conference on ASIC Proceedings (IEEE Cat No 03TH8690) ICASIC-03. IEEE, 2003. http://dx.doi.org/10.1109/icasic.2003.1277436.

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Jeitler, Marcus, and Jakob Lechner. "Low Latency Recovery from Transient Faults for Pipelined Processor Architectures." In 2010 13th Euromicro Conference on Digital System Design: Architectures, Methods and Tools (DSD). IEEE, 2010. http://dx.doi.org/10.1109/dsd.2010.87.

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Tiwari, Manasi, and Sathish Vadhiyar. "Pipelined Preconditioned s-step Conjugate Gradient Methods for Distributed Memory Systems." In 2021 IEEE International Conference on Cluster Computing (CLUSTER). IEEE, 2021. http://dx.doi.org/10.1109/cluster48925.2021.00061.

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Tiwari, Manasi, and Sathish Vadhiyar. "Pipelined Preconditioned s-step Conjugate Gradient Methods for Distributed Memory Systems." In 2021 IEEE International Conference on Cluster Computing (CLUSTER). IEEE, 2021. http://dx.doi.org/10.1109/cluster48925.2021.00061.

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Звіти організацій з теми "Pipelined methods"

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Kiefner, John, and Harvey Haines. IPC-04-02 Comparisons of Pipeline Integrity Assessment Methods. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), September 2002. http://dx.doi.org/10.55274/r0011828.

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Анотація:
Presented herein is a comparison of three pipeline integrity assessment methods: hydrostatic testing, in-line inspection, and direct assessment. Pipeline operators use one or more of these methods to investigate the soundness of their pipelines in order to protect people, property, and the environment from the consequences of pipeline leaks or ruptures. Three separate methods exist because no single method has been found to be completely satisfactory by itself in every situation. By comparing the attributes of each method, pipeline operators will be better able to choose a method or combination of methods that is best suited for a particular situation.
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Oswald and Smith. L52260 Gap Study and Recommendation - Pipe Response to Buried Explosive Detonations. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), May 2005. http://dx.doi.org/10.55274/r0010252.

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Current methods to assess pipeline response to nearby sub-surface blasting are largely empirical or semiempirical and do not consider increasingly important factors such as non-pristine pipelines, blasting in soil with varying soil and terrain characteristics, or mitigative measures. Also, the accuracy and limits to the applicability of these methods is questionable. Result: A primary task of this project was a literature search to identify all available testing, analysis, and mitigation methods related to blasting near pipelines. Analytical methods to consider cracks and corrosion in non-pristine pipeline are also reviewed in the report. The literature search showed that a significant database of test results of steel pipeline response to blasting in soil is available. A more limited database is available for steel pipeline response to blasting in rock and practically no data is available for non-steel and non-pristine pipeline response to blasting. The available models to predict blasting stresses in pipelines ranged from a semi-empirical method to predict pipeline stress to simple soil peak particle velocity (PPV) limits on ground shock produced at the pipeline location to prevent pipeline damage. Benefit: The literature review covered four main categories: data from blasting near pipelines and earthquakes, methodologies for predicting or controlling pipeline stresses from blasting, information on mitigative measures to reduce pipeline stresses from blasting, and methods to account for the effects of non-pristine pipeline. Procedures to address combined loadings on typical transmission pipelines are also summarized.
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Brown, R. J. L51598 Tow Methods Design Guide for the Installation of Offshore Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 1989. http://dx.doi.org/10.55274/r0010093.

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In an effort to progress the development of hydrocarbon fields found in water depths beyond 1000 feet, the oil and gas industry is considering cost effective methods of subsea pipeline installation. As an established and reliable oil and gas transportation system, the pipeline will be an important factor in deepwater development. Surface installation methods are expected to become costly in deepwater due to the necessary equipment modifications and vessel requirements which are synonymous with increased tension capability and deepwater station keeping ability. This estimated increase in installation costs has spurred interests in alternative pipeline installation methods that possess the potential for economic competitiveness. Limiting parameters for single as well as bundled pipeline configurations are evaluated for surface, near-surface, mid-depth, off-bottom and bottom tow methods of pipeline installation. The evaluation shows that the viable towing methods for construction of offshore pipelines include the mid-depth and bottom tow methods. Buckle collapse criteria should be utilized in the design of deepwater pipelines to achieve low submerged weights with minimum buoyancy requirements. Low submerged weight provides the maximum pipe tow string length, reducing the number of mid-line connections. A cost estimating program in LOTUS 1-2-3 format is included with this study. The costing program generates cost for each tow method based on user specified pipeline parameters. The cost program also includes J-lay estimating capabilities for single pipelines.
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Harris. L52060 Internal Repair of Gas Pipelines Survey of Operator Experience and Industry Needs Report. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), September 2003. http://dx.doi.org/10.55274/r0010270.

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A repair method that can be applied from the inside of a gas transmission pipeline (i.e., a trenchless repair) is an attractive alternative to conventional repair methods since the need to excavate the pipeline is precluded. This is particularly true for pipelines in environmentally sensitive and highly populated areas. This project was a survey and so did not involve an experimental procedure or equipment in the conventional sense. The objectives of the project were to evaluate, develop, demonstrate, and validate internal repair methods for pipelines; develop a functional specification for an internal pipeline repair system; and prepare a recommended practice for internal repair of pipelines. The purpose of this survey is to better understand the needs and performance requirements of the natural gas transmission industry regarding internal repair.
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Schultz. L51975 Pressure Testing of Large Diameter Pipelines in Artic and Subartic Regions. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), December 2002. http://dx.doi.org/10.55274/r0011336.

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Teitsma and Shuttleworth. PR-004-03127-R01 Gas Coupled Ultrasonic Pipeline Inspection. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 2008. http://dx.doi.org/10.55274/r0010897.

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The gas coupled ultrasonics (GCUS) project aims to develop a method for inspecting gas pipelines using a modification of the standard ultrasonic method that does not require a liquid couplant. Ultrasonic inspection is the highest accuracy inspection method readily available for measuring remaining wall thickness and measures it directly rather than inferring it from measurements of metal loss as occurs with other methods, for example MFL. Traditional ultrasonic methods require a liquid couplant between the transducer and the wall that, although it has been done, requires the unwanted introduction of a liquid in a gas pipeline for gas pipeline inspection. The problem with using gas as a couplant is that, even at high pressure, very little ultrasonic energy is transmitted into the pipe wall, most of it being reflected back to the transducer. The result is a huge signal from the front wall that masks the tiny signals from the back wall unless the transducer is highly damped, causing rapid ring down. Early requirements for a successful transducer were 80 dB ring down in 2 microseconds and electronics that could handle a dynamic range of 120 dB.
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Kiefner, Maxey, and Eiber. L51607 Pipeline Coating Impedance Effect on Powerline Fault Current Coupling. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 1989. http://dx.doi.org/10.55274/r0010294.

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Prior research leading to the development of predictive electromagnetic coupling computer codes has shown that the coating conductance is the principal factor in determining the response of a pipeline to magnetic induction transmission line. Under power line fault conditions, a high voltage may stress the coating causing a significant change in its conductance, and hence, the coupling response. Based upon laboratory experimentation and analysis, a model has been developed which allows prediction of the modified coating characteristics when subjected to high voltages during fault situations. The program objective was the investigation of a method to determine the high voltage behavior of an existing coating from low voltage in-situ field measurements. Such a method appeared conceptually feasible for non-porous coatings whose conductance is primarily a result of current leakage through existing holidays. However, limited testing has shown that difficulties in determining the steel-electrolyte capacitance limit the application of the method. Methods for field measurement of the pipeline coating conductance were studied for both DC and AC signal excitation. AC techniques offer the advantage that cathodic protection current interruption is not required, thus eliminating depolarization effects. However, ac field measurement techniques need additional refinement before these methods can be generally applied.
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Fu. L51878 Methods for Assessing Corroded Pipeline-Review Validation and Recommendations. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 2002. http://dx.doi.org/10.55274/r0010358.

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An assessment of the remaining strength of corroded line pipe is generally accomplished using the ASME B31G method and RSTRENG methods. These methods were developed using an early fracture mechanics relationship for toughness-independent failure of pressurised pipes and were empirically calibrated against a database of around 80 full-scale burst tests for thin wall pipes, dominated by pipes of grade B and grade X52. Applications of these methods to modern higher toughness pipe materials have not been fully justified. Neither of these methods is able to assess the significance of interactions between adjacent corrosion defects. Considerable effort, funded by Pipeline Research Council International, Inc. and by various industry groups, in particular in Europe, has in recent years addressed full-scale testing, analytical and numerical investigations, and the development of improved assessment methods. This report presents the results of a comparative review of a number of existing and newly developed methods for assessing corroded pipelines and a proposed methodology for the development of integrated corrosion assessment guidelines. This study was funded by the Line Pipe Research Supervisory Committee of Pipeline Research Council International, Inc. (project No. PR-273-9803) and was carried out jointly by BG Technology (United Kingdom), Battelle Memorial Institute (United States of America) and Shell Global Solutions (the Netherlands). BG Technology was the lead contractor.
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Jaske and Hart. L52047 PRCI Pipeline Repair Manual 6th Edition. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), August 2006. http://dx.doi.org/10.55274/r0010249.

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Анотація:
Note the PRCI Pipeline Repair Manual 2021 Edition is now available and supersedes this edition. The 2021 Edition is available here. Technology advancements in materials, techniques, new products, procedures, etc. offer pipeline companies the opportunity to extend the safe life of assets in place. A comprehensive Pipeline Repair Manual is needed to address these new advances, provide engineering guidance to choose appropriate repair techniques for specific defects in pipelines. This new updated Pipeline Repair Manual provides guidance to pipeline operators as they: (1) choose appropriate repair techniques for specific defects in in-service pipelines; (2) develop or enhance their own procedures and/or manuals for pipeline repairs; (3) or train or qualify maintenance personnel. The manual presents a catalog of known pipeline repair techniques, and discusses the various types of pipeline defects that lend themselves to being repaired while in-service. A matrix is provided to match defects in need of repair with appropriate repair methods. In addition defect assessment methods are presented as are safety considerations related to making in-service repairs. The manual is divided into the following major sections: (1) Response to the discovery of an anomaly or defect - this section presents safety issues and defines critical information that is required to make an appropriate repair response. (2) Pipeline repair methods - this section describes the known methods of repairing in-service pipelines. (3) Appropriate repairs for various types of defects - this section matches the types of defects that are likely to be encountered in in-service pipelines with appropriate repair methods. (4) Repair methods in Europe - this section was added after a review of the draft by a committee of pipeline repair specialists from several European pipeline operators who are members of the Group Europeene de Recherches Gazieres (GERG). It contains suggestions made by the committee to enhance the substance of this manual and to inform readers concerning European practices. (5) Guidelines for repair procedures - this section presents a model procedure, which a pipeline operator may use to create, enhance, or evaluate repair procedures. This document was formerly known as 'Updated Pipeline Repair Manual Revision 6'
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Rothe, Paul. L41072 Design Methods For Multiphase Flow In Gas Pipelines. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), May 1987. http://dx.doi.org/10.55274/r0012069.

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