Artykuły w czasopismach: „Multi-socket Servers”

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Rahman, Musfiq, i Bruce R. Childers. "Asteroid: Scalable Online Memory Diagnostics for Multi-core, Multi-socket Servers". International Journal of Parallel Programming 44, nr 5 (18.02.2016): 949–74. http://dx.doi.org/10.1007/s10766-016-0400-2.

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You, Guohua, Xuejing Wang i Ying Zhao. "An Adaptive Dynamic Request Scheduling Model for Multi-socket, Multi-core Web Servers". Arabian Journal for Science and Engineering 42, nr 2 (27.10.2016): 751–64. http://dx.doi.org/10.1007/s13369-016-2350-9.

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Priambodo, Dimas Febriyan. "High Througput Multicore Server Dengan Kernel Bypass". Jurnal Ilmiah SINUS 18, nr 2 (6.07.2020): 9. http://dx.doi.org/10.30646/sinus.v18i2.472.

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Kernel performs one part of the overall operating system utility as a bridge between the user and the hardware. In multi core hardware, the kernel was also created with a general approach so it needs to be adjusted for specific purposes. Kernels for servers using common Kernels have many limitations, such as single socket descriptor, single IRQ, and lack of pooling so that they require some modification to run optimally. Kernel bypass is a method by eliminating the automation of a server used to realize a server, namely high throughput. Kernel bypass is a combination of techniques, modification at the driver level with hashing rx signal and modification of multiple receivers with multiple ip receivers, multiple thread receivers, and multiple port listeners. This combined modification makes the server more reliable with an average throughput increase of 250.44%.

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Jaid, Atharva. "Design of an Effective Socket Programming-Based Multi-Client Chat Application". International Journal for Research in Applied Science and Engineering Technology 11, nr 5 (31.05.2023): 4265–69. http://dx.doi.org/10.22214/ijraset.2023.52621.

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Abstract: We have designed a chat application that involves multiple clients, utilizing a socket module to establish client-server connections. These sockets serve as internal terminals for data transmission and reception. Two sockets are present on every solitary network. TCP sockets are used in the implementation of this application . The socket has been attached to a localhost or a machine port. When a client is involved, a socket connection will be established with the server. The connection will be on the same port as the server-side code. The application is built to allow multiple clients to connect to a central server and exchange messages with each other in real-time. The implementation of the application includes the use of multi-threading, socket programming, and JavaFX for the user interface. The paper discusses the design and implementation of the chat application and provides an evaluation of its performance.

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Moralis‐Pegios, Miltiadis, Stelios Pitris, Charoula Mitsolidou, Konstantinos Fotiadis, Hannes Ramon, Joris Lambrecht, Johan Bauwelinck i in. "Silicon circuits for chip‐to‐chip communications in multi‐socket server board interconnects". IET Optoelectronics 15, nr 2 (22.03.2021): 102–10. http://dx.doi.org/10.1049/ote2.12018.

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Ma, Yong Guang, Bing Zheng i Ning Ran. "Research of Thread Mechanism in Communication Network". Advanced Materials Research 557-559 (lipiec 2012): 2045–48. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.2045.

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In the network communication, communication systems require multiple tasks simultaneously and independently, and each task needs constantly performing before termination in normal. In order to meet the demand, put forward the multi-channel thread method in communication process. Based on TCP / IP protocol socket network communication, in order to make the server effectively distinguish between multiple client task and accurate transmission of information, using multi thread method processing communication details, ensure the separate and concurrent of communication between each node and server. Deep understanding and flexible use of thread method to the communication process is the key to network communication.

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Bian, Ming Ming, Li Jian Zhang i Lin Lin Bian. "Design of Mobile Robot Remote Control Client". Advanced Materials Research 1030-1032 (wrzesień 2014): 1457–60. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.1457.

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The application of computer remote control technology become the future trend of the development of enterprises. In this paper, the use of international popular client / server structure and the socket and multi thread network data communication based on Visual C++ 6 programming language complete the system design, realizing the remote client to control the mobile robot.

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Made Pradnyana Ambara, Pande Ketut Widiartana i Yohanes Priyo Atmojo. "Implementasi Socket Programming Sebagai Media Sinkronisasi Database Terdistribusi dengan Teknik Multi Master Replication". Jurnal Sistem dan Informatika (JSI) 14, nr 2 (4.08.2020): 113–24. http://dx.doi.org/10.30864/jsi.v14i2.271.

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Dalam sebuah database terdistribusi, database disimpan tersebar di banyak lokasi yang terpisah namun saling berhubungan satu sama lain. Sinkronisasi data pada database terdistribusi yang heterogenous, dengan sumber data yang secara geografis terletak tersebar di beberapa lokasi yang sangat jauh adalah salah satu masalah dalam penerapannya. Sinkronisasi database yang dilakukan dengan cara export file SQL secara manual di sistem sumber, kemudian dikirimkan melalui email untuk di import di sistem tujuan sangat tidak efektif di mana sangat sering terjadi kesalahan pada sisi user dalam export import file-nya. Penelitian ini bertujuan memberikan solusi atas permasalahan tersebut dengan menerapkan teknik pemrograman socket untuk membangun aplikasi yang berfungsi sebagai media sinkronisasi otomatis pada datatabase terdistribusi. Hasil dari penelitian ini adalah sebuah middleware yang dapat menyinkronkan data pada database terdistribusi menggunakan teknik multi master replication. Teknik ini dapat meningkatkan availability dari database sehingga ketika terjadi kerusakan atau kegagalan pada satu lokasi fisik maka tidak menyebabkan kegagalan keseluruhan sistem pada database. Middleware ini akan membaca setiap perubahan pada database kemudian mengirimkannya melalui komunikasi socket ke aplikasi server. Aplikasi server kemudian akan mem-broadcast perubahan tersebut ke semua client yang terhubung. Metode penelitian yang digunakan adalah metode waterfall model meliputi pengumpulan data, analisa dan desain sistem serta pembuatan dan uji coba.

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Moon, Yong K., Yu H. Song, Jae H. Kim, Sang Sik Lee i Joung H. Mun. "The Development Telemedicine System for Blood Pressure Monitoring via Ethernet". Key Engineering Materials 321-323 (październik 2006): 1103–6. http://dx.doi.org/10.4028/www.scientific.net/kem.321-323.1103.

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The objective of this study was to develop an Ethernet-based telemedical blood pressure monitor. Although telemedical applications utilizing a variety of media are currently available, present systems do not provide remote signals with regard to integrated vital information, including blood pressure and pulse rate. In addition, the existing systems are largely embedded-structure, single-access, single-process models. Thus, we developed an Ethernet-based blood pressure monitor which includes a client/server structure, and is a real-time multi-access and multi-process system. The client for the developed system uses the Microsoft Comm Control in Microsoft Visual Basic and ODBC to connect Microsoft Chart Control with DB for a user interface. The server is programmed with the J2SE development platform, in a multi-thread structure. The system is capable of receiving data simultaneously. A TCP/IP socket was used for the Ethernet connection. The JDBC was applied to connect with the database for the saving, searching, and sampling of the data. The data transfer failure rate of the developed system was determined to be less than 0.05%.

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Pintavirooj, Chuchart, Tanapon Keatsamarn i Treesukon Treebupachatsakul. "Multi-Parameter Vital Sign Telemedicine System Using Web Socket for COVID-19 Pandemics". Healthcare 9, nr 3 (5.03.2021): 285. http://dx.doi.org/10.3390/healthcare9030285.

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Telemedicine has become an increasingly important part of the modern healthcare infrastructure, especially in the present situation with the COVID-19 pandemics. Many cloud platforms have been used intensively for Telemedicine. The most popular ones include PubNub, Amazon Web Service, Google Cloud Platform and Microsoft Azure. One of the crucial challenges of telemedicine is the real-time application monitoring for the vital sign. The commercial platform is, by far, not suitable for real-time applications. The alternative is to design a web-based application exploiting Web Socket. This research paper concerns the real-time six-parameter vital-sign monitoring using a web-based application. The six vital-sign parameters are electrocardiogram, temperature, plethysmogram, percent saturation oxygen, blood pressure and heart rate. The six vital-sign parameters were encoded in a web server site and sent to a client site upon logging on. The encoded parameters were then decoded into six vital sign signals. Our proposed multi-parameter vital-sign telemedicine system using Web Socket has successfully remotely monitored the six-parameter vital signs on 4G mobile network with a latency of less than 5 milliseconds.

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Lu, Chaojin. "Design and Implementation of the Instant Messaging Tool Based on JAVA". International Journal of Advanced Pervasive and Ubiquitous Computing 9, nr 2 (kwiecień 2017): 16–44. http://dx.doi.org/10.4018/ijapuc.2017040102.

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Today, the rapid development of information transmission has led to the advent of the Internet era. This makes network instant messaging tools more and more convenient and favored by people so that instant messaging is increasingly important in modern times. The presented design is used to reflect the practicality of instant messaging by designing an instant messaging tool based on Java. Software adopts C / S structure of the client and server through network programming socket and TCP / UDP communication protocol for sending and receiving messages. The object oriented development principles are based on Java using the eclipse development platform of the server and client to the overall design, the software in the design process, and the use of multi threading technology in order to achieve multiple threads running simultaneously and to improve the utilization of server. This design using MySQL database accesses the database by JDBC Bridge. The software can realize user registration, user login, modify personal settings, search and add friends, begin friends chat, take screenshots, complete file transfer, and other functions.

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Shen, Yan Chun. "VoIP Data Transmission System Based on G.729A". Applied Mechanics and Materials 443 (październik 2013): 354–58. http://dx.doi.org/10.4028/www.scientific.net/amm.443.354.

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It uses Windows low-level audio API to record and broadcast voice packets, encodes and decodes through G.729A, and groups by TCP/IP protocol, transmits data packets by UDP on the SOCK_DGRAM SOCKET between the client and the server, So as to achieve the function of Internet voice communication. To ensure user friendly interface, the premise here using multi-threaded programming. In addition, the system also in application-layer protocol adds the text chat function which based on TCP transmission. The essence of the design is to realize software to communicate by voice or text which based Windows operating system. The successful debugging of this software will have a positive effect on the PC to PC kind of VoIP communications system.

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Beamer, Scott, Krste Asanović i David Patterson. "Direction-Optimizing Breadth-First Search". Scientific Programming 21, nr 3-4 (2013): 137–48. http://dx.doi.org/10.1155/2013/702694.

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Breadth-First Search is an important kernel used by many graph-processing applications. In many of these emerging applications of BFS, such as analyzing social networks, the input graphs are low-diameter and scale-free. We propose a hybrid approach that is advantageous for low-diameter graphs, which combines a conventional top-down algorithm along with a novel bottom-up algorithm. The bottom-up algorithm can dramatically reduce the number of edges examined, which in turn accelerates the search as a whole. On a multi-socket server, our hybrid approach demonstrates speedups of 3.3–7.8 on a range of standard synthetic graphs and speedups of 2.4–4.6 on graphs from real social networks when compared to a strong baseline. We also typically double the performance of prior leading shared memory (multicore and GPU) implementations.

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Zhang, Wei, Zihao Jiang, Zhiguang Chen, Nong Xiao i Yang Ou. "NUMA-Aware DGEMM Based on 64-Bit ARMv8 Multicore Processors Architecture". Electronics 10, nr 16 (17.08.2021): 1984. http://dx.doi.org/10.3390/electronics10161984.

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Double-precision general matrix multiplication (DGEMM) is an essential kernel for measuring the potential performance of an HPC platform. ARMv8-based system-on-chips (SoCs) have become the candidates for the next-generation HPC systems with their highly competitive performance and energy efficiency. Therefore, it is meaningful to design high-performance DGEMM for ARMv8-based SoCs. However, as ARMv8-based SoCs integrate increasing cores, modern CPU uses non-uniform memory access (NUMA). NUMA restricts the performance and scalability of DGEMM when many threads access remote NUMA domains. This poses a challenge to develop high-performance DGEMM on multi-NUMA architecture. We present a NUMA-aware method to reduce the number of cross-die and cross-chip memory access events. The critical enabler for NUMA-aware DGEMM is to leverage two levels of parallelism between and within nodes in a purely threaded implementation, which allows the task independence and data localization of NUMA nodes. We have implemented NUMA-aware DGEMM in the OpenBLAS and evaluated it on a dual-socket server with 48-core processors based on the Kunpeng920 architecture. The results show that NUMA-aware DGEMM has effectively reduced the number of cross-die and cross-chip memory access, resulting in enhancing the scalability of DGEMM significantly and increasing the performance of DGEMM by 17.1% on average, with the most remarkable improvement being 21.9%.

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Adhikari, Neill K. J., Rajeshwari Arali, Udara Attanayake, Sampath Balasundaram, Abi Beane, Vijay Chakravarthy, Niyaz Channanath Ashraf i in. "Implementing an intensive care registry in India: preliminary results of the case-mix program and an opportunity for quality improvement and research". Wellcome Open Research 5 (30.07.2020): 182. http://dx.doi.org/10.12688/wellcomeopenres.16152.1.

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Background: The epidemiology of critical illness in India is distinct from high-income countries. However, limited data exist on resource availability, staffing patterns, case-mix and outcomes from critical illness. Critical care registries, by enabling a continual evaluation of service provision, epidemiology, resource availability and quality, can bridge these gaps in information. In January 2019, we established the Indian Registry of IntenSive care to map capacity and describe case-mix and outcomes. In this report, we describe the implementation process, preliminary results, opportunities for improvement, challenges and future directions. Methods: All adult and paediatric ICUs in India were eligible to join if they committed to entering data for ICU admissions. Data are collected by a designated representative through the electronic data collection platform of the registry. IRIS hosts data on a secure cloud-based server and access to the data is restricted to designated personnel and is protected with standard firewall and a valid secure socket layer (SSL) certificate. Each participating ICU owns and has access to its own data. All participating units have access to de-identified network-wide aggregate data which enables benchmarking and comparison. Results: The registry currently includes 14 adult and 1 paediatric ICU in the network (232 adult ICU beds and 9 paediatric ICU beds). There have been 8721 patient encounters with a mean age of 56.9 (SD 18.9); 61.4% of patients were male and admissions to participating ICUs were predominantly unplanned (87.5%). At admission, most patients (61.5%) received antibiotics, 17.3% needed vasopressors, and 23.7% were mechanically ventilated. Mortality for the entire cohort was 9%. Data availability for demographics, clinical parameters, and indicators of admission severity was greater than 95%. Conclusions: IRIS represents a successful model for the continual evaluation of critical illness epidemiology in India and provides a framework for the deployment of multi-centre quality improvement and context-relevant clinical research.

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Adhikari, Neill K. J., Rajeshwari Arali, Udara Attanayake, Sampath Balasundaram, Abi Beane, Vijay Chakravarthy, Niyaz Channanath Ashraf i in. "Implementing an intensive care registry in India: preliminary results of the case-mix program and an opportunity for quality improvement and research". Wellcome Open Research 5 (21.10.2020): 182. http://dx.doi.org/10.12688/wellcomeopenres.16152.2.

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Background: The epidemiology of critical illness in India is distinct from high-income countries. However, limited data exist on resource availability, staffing patterns, case-mix and outcomes from critical illness. Critical care registries, by enabling a continual evaluation of service provision, epidemiology, resource availability and quality, can bridge these gaps in information. In January 2019, we established the Indian Registry of IntenSive care to map capacity and describe case-mix and outcomes. In this report, we describe the implementation process, preliminary results, opportunities for improvement, challenges and future directions. Methods: All adult and paediatric ICUs in India were eligible to join if they committed to entering data for ICU admissions. Data are collected by a designated representative through the electronic data collection platform of the registry. IRIS hosts data on a secure cloud-based server and access to the data is restricted to designated personnel and is protected with standard firewall and a valid secure socket layer (SSL) certificate. Each participating ICU owns and has access to its own data. All participating units have access to de-identified network-wide aggregate data which enables benchmarking and comparison. Results: The registry currently includes 14 adult and 1 paediatric ICU in the network (232 adult ICU beds and 9 paediatric ICU beds). There have been 8721 patient encounters with a mean age of 56.9 (SD 18.9); 61.4% of patients were male and admissions to participating ICUs were predominantly unplanned (87.5%). At admission, most patients (61.5%) received antibiotics, 17.3% needed vasopressors, and 23.7% were mechanically ventilated. Mortality for the entire cohort was 9%. Data availability for demographics, clinical parameters, and indicators of admission severity was greater than 95%. Conclusions: IRIS represents a successful model for the continual evaluation of critical illness epidemiology in India and provides a framework for the deployment of multi-centre quality improvement and context-relevant clinical research.

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Feehrer, John, Paul Rotker, Milton Shih, Paul Gingras, Peter Yakutis, Stephen Phillips i John Heath. "Coherency Hub Design for Multi-socket Sun Servers with CoolThreads (TM) Technology". IEEE Micro, 2017, 1. http://dx.doi.org/10.1109/mm.2009.52.

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Artykuły w czasopismach na temat „Multi-socket Servers”

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