mpi-as 中文意思是什麼
mpi-as
解釋
馬普科學促進會-
With the rapid development of high - speed networks and the design of software for network parallel computing such as pvm, mpi, express linda and p4, the merits of network parallel computing, such as small costs, quick returns, strong flexility and high ratio of performance to costs, are more outstanding, making the network parallel computing be favored by more and more universities and research institutes both at home and abroad and become one of the important branches of parallel and distributed computing
高速信息網路的飛速發展以及網路并行計算支撐軟體如pvm 、 mpi 、 express 、 linda ， p4等的出現，使得網路并行計算的投資少、見效快、靈活性強、性能價格比高等諸多優點顯得更加突出，受到國內外越來越多的大學和科研單位的青睞，已成為并行計算和分散式計算技術的重要發展方向。 -
Among them, mpi ( message passing interface ) is the most important program paradigm. it has many advantages, such as portable, powerful and high efficient
其中mpi （消息傳遞介面）是目前最重要的編程工具，它具有可移植性好、功能強大、效率高等多種優點。 -
This paper uses the idea of hpec _ si ( high performance embedded computing software initiative ) for reference, basing on the message passing mechanism of mpi ( message passing interface ), envelops some typical parallel algorithms in image / signal processing domain as classes, and designs and finishes an object - oriented 、 image / signal processing standard parallel library to provide application software programmers an excellent development environment
本課題借鑒高性能嵌入式計算軟體計劃（ highperformanceembeddedcomputingsoftwareinitiative ， hpec _ si ）的解決方法，基於消息傳遞介面（ messagepassinginterface ， mpi ）的消息傳遞機制，對圖像/信號處理中的一些典型并行演算法以類組件的方式進行封裝，設計和實現了具有面向對象特徵的、用於圖像/信號處理的并行向量庫，提供給應用軟體開發人員一個良好的開發環境。 -
The portable, extensible toolkit for scientific computation, petsc, has become a model of the high performance numerical software which gains huge attention and wide use in commuting community throughout the world. our selection of petsc as the target model of studying is based on following reasons : petsc uses mpi for all parallel communication, which is most fittable for general scalable computing, especially on our pc - cluster platform. petsc is a general purpose suite : of tools for the scalable solution of partial differential equations and related problems, which is much in accord with our research focus
可移植、可擴展科學計算軟體包petsc是近來在國際上很受關注、應用廣泛的高性能并行數值軟體開發典範之一，我們對它的重點學習與研究主要出於以下考慮： petsc基於mpi并行程序設計平臺，適合於我們常用的并行計算機尤其是機群系統；它以偏微分方程、代數方程求解功能為實現重點，非常切合於我們的主要研究方向和應用需求；尤為重要的是，在其良好的軟體使用模式和執行性能下隱含的先進軟體設計思想和程序實現方案，對我們今後的數值軟體開發很有借鑒意義。 -
Among them, openmp, which brings competitive performance as lightweight processes, is considered as a better choice than posix threads and mpi
分析結果認為，使用openmp實現的并行程序，在性能上與使用輕量級進程的實現相當，優于使用posix線程和mpi的實現。 -
A parallel program performance analysis system based on the frame model is developed to analyze performance of parallel programs. the system is used to analyze parallel programs that use mpi as the parallel support environment. it has good portability and is easy to use
基於這個系統框架設計並實現了相應的并行程序性能分析系統，該性能分析系統主要針對基於mpi的并行應用程序，其可移植性較好，簡單易用。 -
Mpi library provides the description using c and fortran, which is named as c binding and fortran binding respectively
Mpi函數庫提供了c語言和fortran語言描述，分別稱為c語言或fortran語言綁定。 -
Also, the relactions between the best block size for matrix transpose and the size and associativity of the processor ' s cache is formulized. for parallel optimization, several programming models available on a numa system, such as lightweight processes ( sproc ), posix threads, openmp and mpi, are compared, and their speedup and coding complexity are analyzed
對于sar成像處理的并行優化，本文對比了在numa架構上可用的幾種并行編程模型：輕量級進程、 posix線程、 openmp和mpi ，針對numa架構和sar成像處理的特點從加速比、編程復雜度等多個方面進行了討論。
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