Hybrid-MPI
Performance analysis of a hybrid MPI/CUDA implementation of the NAS LU benchmark
... Version 3.2 of the LU benchmark, on which our work is based, is written in FORTRAN 77 and utilises MPI for com- munication between processing-elements. The GPU imple- mentation makes use of NVIDIA’s CUDA. The ...
8
Performance Comparison of Steady State Heat Conduction using MPI, OpenMP and Hybrid MPI-OpenMP
... using Hybrid OpenMP-MPI approach and found that to achieve substantial improvement in the computational speed, Hybrid OpenMP-MPI approach is very useful than using MPI or OpenMP alone ...
5
Modelling fracture in heterogeneous materials on HPC systems using a hybrid MPI/Fortran coarray multi-scale CAFE framework
... ParaFEM is written in Fortran 2003 with MPI [27]. It is a highly scalable and portable FE library, http://parafem.org.uk. It is a free open source software distributed under a BSD license from ...
33
Hybrid MPI/OpenMP Parallel Linear Support Vector Machine Training
... In this section we compare the hybrid OpenMP/MPI version of our software with one using only MPI, and also our implementation against three other parallel SVM solvers. Data sets are taken from the ...
17
Performance enhancement of Ionic structure in liquids confined by dielectric interfaces (A nanoconfinement framework)
... 3) Hybrid MPI/OpenMP parallelization: Following Rabenseifner et ...the hybrid masteronly model was tested by combining the distributed memory MPI approach and the shared memory OpenMP ...The ...
8
Performance Analysis and Enabling of the RayBen Code for the Intel® MIC Architecture
... The subject of this project is the analysis and enabling of the RayBen code, which implements a finite difference scheme for the simulation of turbulent Rayleigh-Bénard convection in a closed cylindrical cell, for the ...
9
A Parallel Hybrid Approach With MPI And OpenMP
... Parallel Hybrid Computing in the need of today as it combines the MPI (Message Passing Interface) and OpenMP(Open Multi-Processor) programming ...that hybrid approach we can increase the speed and ...
5
Code Optimization and Scaling of the Astrophysics Software Gadget on Intel Xeon Phi
... The hybrid MPI/OpenMP parallelization of the GADGET code for cosmological N-body/SPH simulations has been developed and ...Phi MPI mode in a combination of MPI tasks and ...developed ...
8
Scalability of Incompressible Flow Computations on Multi-GPU Clusters Using Dual-Level and Tri-Level Parallelism
... the hybrid model on CPU clusters, a question is whether the same benefits will accrue to a tri-level CUDA-OpenMP-MPI model, and whether they will outweigh the added software ...using MPI for ...
12
Scaling hybrid coarray/MPI miniapps on Archer
... Although the idea of a multi-scale CAFE model is not new, [17], [18], [19], the current CAFE framework was designed specifically for HPC systems. Fortran coarrays is a PGAS language, which some HPC experts predict to be ...
11
Lock in Amplifier Model for Analyzing the Behavior of Signal Harmonics in Magnetic Particle Imaging
... The MPI signal was defined as the mean of the absolute value of the output ...in MPI was assumed to be given by the product of the gradient strength of the SMF and the distance from the field-free region ...
14
Development of parallel meshless methods for moving geometry simulations
... The distributed method first decomposes the domain according to the geometry of the problem, by using slices along the x coordinates or by using polar coordinates. It then blanks the points internal to solid boundaries, ...
150
MPI Quantitative Research Series
... MPI’s Stylus Pro software is utilized by alternative research groups, hedge fund of funds, family offices, institutional investors, consultants, private banks, asset managers, diversified financial services organizations ...
6
RA MPI Compilers Debuggers Profiling. March 25, 2009
... # [total] <avg> min max # entries 8 1 1 1 # wallclock 250.773 31.3467 31.3465 31.3475 # user 250.589 31.3236 31.1813 31.3532 # system 0.448929 0.0561161 0.043993 0.089986 # mpi 3.10778 0.388473 0.112456 ...
61
User-level Power Monitoring and Application Performance on Cray XC30 Supercomputers
... best hybrid CPU/GPU version of the code delivers nearly 90 Gflop/s compared to 70 Gflop/s for just the GPU or 50 Gflop/s for just the ...of MPI ranks rapidly degrades performance. The fastest hybrid ...
14
Feasibility Study of Effective Remote I/O Using a Parallel NetCDF Interface in a Long-Latency Network
... the MPI-I/O processes in the collective manner. Each MPI-I/O pro- cess sends the data to a corresponding user ...the MPI-I/O processes are contiguous in ...the MPI-I/O processes close the ...
6
MPI Quantitative Research Series
... Using Dynamic Style Analysis [3], [4] (referred to as “DSA” from this point forward), MPI’s proprietary returns-based factor model, and the fund’s historical performance data (NAV ret[r] ...
7
Interlaboratory comparison of 13 C and D measurements of atmospheric CH 4for combined use of data sets from different laboratories
... to be − 0.169 ± 0.031 ‰ relative to NIWA (top in no. 9, Fig. 2a). The intercomparison between UHEI and MPI-BGC in this study (Sect. 3.3), together with the MPI-BGC offset (Sect. 5.4), also infers the UHEI ...
25
Supporting automatic recovery in offloaded distributed programming models through MPI-3 techniques
... highly-optimized MPI implementations for their platforms, making MPI a good choice to leverage efficient portable ...with MPI applications; internally, it relies on the MPI process spawning ...
10
Online Full Text
... the MPI with budget and route length constraints to solve the ...the MPI uses household registration data, land prices, land use, and open data on landmarks to understand the distributions of potential user ...
8