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1
artículo
Publicado 2011
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In the last decade the multicore processors had emerged with the comeback of the symmetric multiprocessing (SMP) after a long decade in which the based OpenMPI clusters had dominated the high performace processing world. Actually, we have in the market 2, 4 and 6 multicore processors; the Cell BE processors with a Power Processor Element (PPE) and 8 vectorial processors called Synergistic Processor Element (SPE), and graphics processors which have from 48 to 448 cores dedicated to numerical tasks. In the present work, we show our experience in the interaction with these processors, discussing the programming techniques and the future possibilities for making low cost numerical tasks.
2
artículo
There is a wide variety of techniques that increase application performance by alleviating one or more of the most important problems with today's processors. In this work, the execution time, speedup and efficiency of the linear Apriori algorithm are shown as well as parallel with the use of OpenMP. By identifying the frequent elements of transactional databases, in processing 5 thousand records the time improves in 42,078 seconds of the algorithm with openMP compared to the sequential algorithm, in the execution 8 processor cores were used.
3
tesis de maestría
Publicado 2013
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Parallel parking, in general, is a moderate difficulty maneuver. Moreover, for inexperienced drivers, it can be a stressful situation that can lead to errors such as stay far from the sidewalk or damage another vehicle resulting in traffic tickets that range from simple parking violation to crash-related violations. In this work, we propose a computationally effective approach to perform a collisionfree parallel parking. The method will calculate the minimum parking space needed and then the efficient path for the parallel parking. This method is computationally inexpensive in comparison with the current state of the art. Moreover, it could be used by any car because the parameters needed to perform all computations are taken from the specifications of real cars. Preliminary results of this work were summarized in [1] that was presented at the 15th International IEEE Conference on Intell...
4
artículo
Technological advances have allowed to collect and store large volumes of data over the years. Besides, it is significant that today's applications have high performance and can analyze these large datasets effectively. Today, it remains a challenge for data mining to make its algorithms and applications equally efficient in the need of increasing data size and dimensionality [1]. To achieve this goal, many applications rely on parallelism, because it is an area that allows the reduction of cost depending on the execution time of the algorithms because it takes advantage of the characteristics of current computer architectures to run several processes concurrently [2]. This paper proposes a parallel version of the FuzzyPred algorithm based on the amount of data that can be processed within each of the processing threads, synchronously and independently.
5
tesis de maestría
Publicado 2013
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Parallel parking, in general, is a moderate difficulty maneuver. Moreover, for inexperienced drivers, it can be a stressful situation that can lead to errors such as stay far from the sidewalk or damage another vehicle resulting in traffic tickets that range from simple parking violation to crash-related violations. In this work, we propose a computationally effective approach to perform a collisionfree parallel parking. The method will calculate the minimum parking space needed and then the efficient path for the parallel parking. This method is computationally inexpensive in comparison with the current state of the art. Moreover, it could be used by any car because the parameters needed to perform all computations are taken from the specifications of real cars. Preliminary results of this work were summarized in [1] that was presented at the 15th International IEEE Conference on Intell...
6
tesis de grado
Publicado 2023
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Compañías mineras están en búsqueda constante de nuevas tecnologías para aumentar su productividad. Una de las tecnologías que les permite realizar la reconstrucción de la superficie sin poner en riesgo la vida de sus trabajadores es el uso de sensores LiDAR junto con plataformas móviles que les permiten rotar el sensor para realizar un escaneo completo de la estructura. Sin embargo, el procesamiento de los datos se realiza a través de ordenadores situados fuera de la mina, debido a su alto coste computacional, lo que se traduce en un alto coste de tiempo. En esta tesis presento como objetivo principal el diseño de un algoritmo paralelo para la fusión de nubes de puntos capturadas por un LiDAR y la reconstrucción de la superficie en tiempo real, con el fin de reducir el tiempo de procesado, teniendo en cuenta información a priori del patrón de barrido de los puntos. En la l...
7
artículo
Publicado 2020
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Technology makes many of the tasks that were previously difficult to perform, nowadays can be solved, one of them is to be able to carry out studies on large tracts of land and at the same time be able to have a level of detail of them, through the study of the satellite images provided by the Earth observation satellites, these images are composed of a series of spectral bands that will depend on the type of satellite mission that was conceived and the optical instrument that is found as a payload, these images are represented by multidimensional arrays and large size, so computational high computation equipment is required to process the images, added to this requires specialized software that allows the visual interpretation of satellite images. To be able to work with satellite images you have many configurations, normally you work with the configuration of separate bands that consis...
8
tesis de grado
Publicado 2023
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Compañías mineras están en búsqueda constante de nuevas tecnologías para aumentar su productividad. Una de las tecnologías que les permite realizar la reconstrucción de la superficie sin poner en riesgo la vida de sus trabajadores es el uso de sensores LiDAR junto con plataformas móviles que les permiten rotar el sensor para realizar un escaneo completo de la estructura. Sin embargo, el procesamiento de los datos se realiza a través de ordenadores situados fuera de la mina, debido a su alto coste computacional, lo que se traduce en un alto coste de tiempo. En esta tesis presento como objetivo principal el diseño de un algoritmo paralelo para la fusión de nubes de puntos capturadas por un LiDAR y la reconstrucción de la superficie en tiempo real, con el fin de reducir el tiempo de procesado, teniendo en cuenta información a priori del patrón de barrido de los puntos. En la l...
9
artículo
Nowadays, some of the most popular tools for parallel programming are Message Passing Interface and Open Multi-Processing. It is of interest to compare these tools in solving the same kind of problems, because of the use of different approaches to inter-task communication. This work attempts to contribute to this goal by running trials in a centralized shared memory architecture in the case of problems with an entirely parallel solution. The selected case study was the parallel computation of Mandelbrot set. Trials were conducted for different iteration limits, processors amount, and C++ implementation variants. The results show better performance in the case of Open Multi-Processing.
10
objeto de conferencia
Publicado 2018
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El presente trabajo fue desarrollado gracias a la Universidad Nacional de Ingeniería y a los fondos FONDECYT del programa Ciencia Activa (CONCYTEC).
11
artículo
Publicado 2005
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One of the factors that determine the productivity inside a company is the state of the machinery with which is counted for the production. Our objective was to design a system that allows the engineers to supervise and to evaluate the state of the machinery, so that this in sot only repaired when it doesn't work, but rather one has the possibility to take a periodic registration of the operation of the same one. With it, it'll be possible to identify the flaws of the machinery in their diverse evolutionary phases. This will allow to carry out an appropriate correction of the problem diminishing the maintenance cost and, therefore, to stop the machinery for a smaller period of time. The system that we have designed in compound for a card of acquisition that will allow to capture and to transfer the mechanical vibrations of the machinery toward analysis software that allows the engineers ...
12
objeto de conferencia
Publicado 2017
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In this paper, we present the first attempts to develop a machine translation (MT) system between Spanish and Shipibo-konibo (es-shp).
13
artículo
Publicado 2023
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Style transfer is a natural language processing generation task, it consists of substituting one given writing style for another one. In this work, we seek to perform informal-to-formal style transfers in the English language by using a style transfer model that takes advantage of the GPT-2. This process is shown in our web interface where the user input a informal message by text or voice. Our target audience are students and professionals in the need to improve the quality of their work by formalizing their texts. A style transfer is considered successful when the original semantic meaning of the message is preserved after the independent style has been replaced with a formal one with a high degree of grammatical correctness. This task is hindered by the scarcity of training and evaluation datasets alongside the lack of metrics. To accomplish this task, we opted to utilize OpenAI’s G...
14
objeto de conferencia
Publicado 2022
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In these times of pandemic, hospitals are being the focus of many innovations, not only for the adaptation to telemedicine, but also from the perspective of the use and processing of the multiple modalities of medical images, where we find images made up of a single Image such as x-rays, images that are made up of a sequence of images such as tomography and Magnetic Resonance, or in video format as is the case with ultrasound and angiography. One way of working with images is through popular image servers that connect to medical equipment for transfer and storage. In the process of visualization and processing, special workstations with good computational capacity are required for these purposes, in most cases these workstations are connected in the network of medical offices, therefore they are presented in a normal working image display requests at the same time. The methodology presen...
15
objeto de conferencia
Publicado 2022
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ACM-2022: Algorithms Computing and Mathematics Conference, August 29 – 30, 2022, Chennai, India.
16
objeto de conferencia
The present work was supported by grant 234-2015-FONDECYT (Master Program) from Cienciactiva of the National Council for Science, Technology and Technological Innovation (CONCYTEC-PERU) and the Office Research of Universidad Nacional de Ingeniería (VRI - UNI).
17
artículo
Publicado 2008
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At present we observe a vigorous developmental of the cognitive science like a multidisciplinary field that involve several disciplines, such as cognitive psychology, artificial intelligence, linguistics, philosophy, neuroscience, and cognitive anthropology, in order to study the cognition. The study of cognition and mind has been made from a point of view of the speculative philosophy, or from perspective of the philosophy of mind, or from a point of view scientific. The hypothetical and/or theoretical proposals offered from those studies, are discussed and are submitted to experimental analysis, for the purpose to test their scientific validity. Thus, the cognitive science set the essential properties of mind and cognition, such as the representational nature of mind, the causal relation between the cognitive representation and the behavior, the symbolic nature of information mentally ...
18
artículo
Publicado 2008
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At present we observe a vigorous developmental of the cognitive science like a multidisciplinary field that involve several disciplines, such as cognitive psychology, artificial intelligence, linguistics, philosophy, neuroscience, and cognitive anthropology, in order to study the cognition. The study of cognition and mind has been made from a point of view of the speculative philosophy, or from perspective of the philosophy of mind, or from a point of view scientific. The hypothetical and/or theoretical proposals offered from those studies, are discussed and are submitted to experimental analysis, for the purpose to test their scientific validity. Thus, the cognitive science set the essential properties of mind and cognition, such as the representational nature of mind, the causal relation between the cognitive representation and the behavior, the symbolic nature of information mentally ...
19
artículo
OBJETIVO: Explorar significativas para nuestros problemas serían las siguientes: a) El procesamiento global de la emisión como una unidad textual. b) El procesamiento de la equivalencias tipo II fónicas. c) El procesamiento de la equivalencias tipo II semánticas. d) El procesamiento de la equivalencias tipo I morfo-sintácticas. DISEÑO: Descriptivo comparativo de corte transversal. MATERIAL Y MÉTODOS: Se utilizó la técnica del «cloze» para explorar la lectura de textos poéticos (fábulas) en 200 niños entre los 7 y 16 años. Los completamientos fueron calificados siguiendo la caracterización de Jakobson y Lewin sobre la función poética como equivalencias fonológicas, semánticas y morfo-sintácticas. RESULTADOS: Todas las correlaciones son significativas estadísticamente con una p < 0.01, salvo la de métrica que tiene una p < 0.05. Las variables edad y rendimiento...
20
artículo
OBJECTIVE: To explore significant for our problems they would be the following ones: a) The global processing of the emission like a textual unit. b) the processing of equivalences type 11 phonics. el the processing of semantic equivalences type 11. d) the processing of morfo¬syntactic equivalences type 1. DESIGN: Descriptive comparative of cross section. MATERIAL And METHODS: The technique of «cloze» was used to explore the poetic text reading (fables) in 200 children between the 7 and 16 years. The completion were described following the characterization as Jakobson and Levin on the poetic function like phonological, semantic and morfo-syntactic equivalences. RESULTS: AII the correlations are significant statistically with one p < 0,01, except for the one of metric that has one p < 0.05. The variables age and yield highly are correlated. The global score that is additions of t...
