نتایج جستجو برای: mpi
تعداد نتایج: 8246 فیلتر نتایج به سال:
The MPI datatype functionality provides a powerful tool for describing structured memory and file regions in parallel applications, enabling noncontiguous data to be operated on by MPI communication and I/O routines. However, no facilities are provided by the MPI standard to allow users to efficiently manipulate MPI datatypes in their own codes. We present MPITypes, an open source, portable lib...
A large number of MPI implementations are currently available, each of which emphasize different aspects of high-performance computing or are intended to solve a specific research problem. The result is a myriad of incompatible MPI implementations, all of which require separate installation, and the combination of which present significant logistical challenges for end users. Building upon prio...
BACKGROUND Older adults are often excluded from clinical trials. Decision making for administration of statins to older patients with diabetes mellitus (DM) is under debate, particularly in frail older patients with comorbidity and high mortality risk. We tested the hypothesis that statin treatment in older patients with DM was differentially effective across strata of mortality risk assessed b...
a discrete mibi avid lung lesion was found in cinematic views of myocardial perfusion imaging (mpi) of a 59 year-old woman. interestingly, the abnormal uptake in the lung was detectable only in the rest phase images and not in the images acquired in the stress phase. mpi was performed for pre-operation cardiac risk assessment before correction surgery for spinal canal stenosis. she had no past...
In this paper we examine the topic of writing fault-tolerant Message Passing Interface (MPI) applications. We discuss the meaning of fault tolerance in general and what the MPI Standard has to say about it. We survey several approaches to this problem, namely checkpointing, restructuring a class of standard MPI programs, modifying MPI semantics, and extending the MPI specification. We conclude ...
This paper examines the topic of writing fault-tolerant MPI applications. We discuss the meaning of fault tolerance in general and what the MPI Standard has to say about it. We survey several approaches to this problem, namely checkpointing, restructuring a class of standard MPI programs, modifying MPI semantics, and extending the MPI specification. We conclude that within certain constraints, ...
Chiral 2-methylpiperidine (2-MPI) is an important building block that has potential for applications in pharmaceuticals and pesticides. In this study, we observed the hydrolase Arthrobacter sp. K5 exhibits high (S)-selectivity toward rac-N-pivaloyl-2-MPI to yield (S)-2-MPI with 80.2% enantiomeric excess (ee) a 38.2% conversion. The hydrolase, which was identified by analyses of partial amino ac...
A 67 years old woman was referred to nuclear medicine center for myocardial perfusion imaging (MPI) for assessment of ischemic heart dieses (IHD).She had a history of atypical chest pain and dyspnea since about 10 days before admission. The MPI SPECT/CT was performed by stress/redistribution Tl-201 protocol. MPI was interpreted as relatively good coronary flow with no appreciable stress induced...
Purpose The purpose of this study was to investigate the effects prosthetic interventions in patients with Kennedy Class ? (unilateral missing posterior teeth) on mastication predominance.Methods subjects comprised II and healthy dentate volunteers (HD group). were asked freely chew test foods (chewing gum, beef jerky, peanuts). Electromyographic activity bilateral masseter muscles recorded twi...
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