نتایج جستجو برای: کتابخانه mpi

تعداد نتایج: 24871  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده مهندسی مکانیک 1393

چکیده اپن فوم یک ابزار cfd آموزشی، تحقیقاتی و صنعتی بصورت متن باز است که انواع گسترده ای از برنامه های کاربردی و حلگرها را برای شبیه سازی هایی از جمله جریان تراکم ناپذیر، جریان تراکم پذیر، انتقال حرارت و الکترومغناطیس شامل می شود. در اپن فوم از زبان برنامهنویسی c++ به عنوان زبان پایه استفاده شده است و می توان توسط برنامه نویسی شئ گرا برنامه های موجود را بهبود داده و یا حتی یک نمونه جدید ایجاد ...

Journal: :asia oceania journal of nuclear medicine and biology 0
elizabeth bailey departments of nuclear medicine, royal north shore hospital, australia dale bailey discipline of medical radiation sciences, university of sydney, australia stephen hunyor cardiac technology centre, north shore heart research group, kolling institute, australia leigh ladd charles sturt university, wagga wagga, australia george bautovich departments of nuclear medicine, royal north shore hospital, australia

background: pre-clinical investigation of stem cells for repairing damaged myocardium predominantly used rodents, however large animals have cardiac circulation closely resembling the human heart. the aim of this study was to evaluate whether spect/ct myocardial perfusion imaging (mpi) could be used for assessing sheep myocardium following an acute myocardial infarction (mi) and response to int...

Journal: :Current Directions in Biomedical Engineering 2015

Journal: :research in cardiovascular medicine 0
maryam shojaeifard echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran tahereh ghaedian nuclear medicine and molecular imaging research center, shiraz university of medical sciences, shiraz, ir iran nahid yaghoobi department of nuclear medicine and molecular imaging, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran hadi malek department of nuclear medicine and molecular imaging, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran hasan firoozabadi department of nuclear medicine and molecular imaging, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran ahmad bitarafan-rajabi department of nuclear medicine and molecular imaging, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran

conclusions gated spect mpi has a good correlation with echocardiography for the measurement of left ventricular ef, edv, and esv in patients with severe heart failure. however, the absolute values of these functional parameters from echocardiography and gated spect mpi measured with different software packages should not be used interchangeably. results a good correlation was found between ech...

Journal: :Computing in Science and Engineering 2021

MPI for Python (mpi4py) has evolved to become the most used binding message passing interface (MPI). We report on various improvements and features that mpi4py gradually accumulated over past decade, including support up MPI-3.1 specification, CUDA-aware implementations, other utilities at intersection of MPI-based parallel distributed computing application development.

Journal: :Concurrency and Computation: Practice and Experience 2019

Journal: :archives of cardiovascular imaging 0
arash gholoobi preventive cardiovascular care research center, imam reza hospital, faculty of medicine, mashhad university of medical sciences, mashhad, ir iran; preventive cardiovascular care research center, imam reza hospital, faculty of medicine, mashhad university of medical sciences, p. o. box: 9137913316, mashhad, ir iran. tel/fax: +98-5138544504

discussion the reason is that we assess the relative and not absolute differences of the tracer uptake in this imaging modality. there may be other findings on mpi images which could help us overcome this pitfall, including detecting wall motion abnormalities, lung uptake of the tracer, or transient ischemic dilation. another important issue is the ecg changes during exercise stress testing, wh...

2003
Rossen Dimitrov Anthony Skjellum

This paper presents a comparison of two implementations of the MPI standard [1] for message passing: MPI/Pro, a commercial implementation of the MPI standard from MPI Software Technology, Inc., and MPICH, an open source, high-performance, portable MPI implementation. This paper reviews key distinguishing architectural features of the two MPI implementations and presents comparative performance ...

2007
Rajeev Thakur William Gropp

MPI implementations that support the highest level of thread safety for user programs, MPI THREAD MULTIPLE, are becoming widely available. Users often expect that different threads can execute independently and that the MPI implementation can provide the necessary level of thread safety with only a small overhead. The MPI Standard, however, requires only that no MPI call in one thread block MPI...

Malmquist Productivity Index (MPI) is a numeric index that is of great importance in measuring productivity and its changes. In recent years, tools like DEA have been utilized for determining MPI. In the present paper, some models are recommended for calculating MPI when there are just ratio data available. Then, using DEA and DEA-R, some models are proposed under the constant returns to scale ...

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