46%
    
    
    02.02.2021
        
    
    	
        Jeff Layton ...  ://en.wikipedia.org/wiki/Message_Passing_Interface
MPI-IO: https://www.mcs.anl.gov/~thakur/dtype/
"Improved Performance with Parallel IO," by Jeff Layton, https://www.admin-magazine
    
 
		    
				        
    46%
    
    
    15.08.2016
        
    
    	
        Jeff Layton ...   with Docker, which usually results in a cluster built on top of a cluster. This is exacerbated for certain usage modules or system architectures, especially with parallel Message Passing Interface (MPI) job
    
 
		    
				        
    45%
    
    
    15.08.2016
        
    
    	
        Jeff Layton ...   Layton: Hi Greg. Tell me bit about yourself and your background.
Gregory M. Kurtzer: My work with Linux began back in the mid-90s, after I obtained my degree in biochemistry and focused early on genomics
    
 
		    
				        
    44%
    
    
    05.02.2019
        
    
    	
        Jeff Layton ...   with applications, debug the applications, and improve performance. In addition to administering the system, then, they have to know good programming techniques and what tools to use.
MPI+X
The world is moving
    
 
		    
				        
    44%
    
    
    14.03.2013
        
    
    	
        Jeff Layton ...   to trace InfiniBand and Lustre components. I have written about collectl in the past on the ADMIN HPC website [28], so I won't cover it here.
MPI Profiling and Tracing
For HPC, it's appropriate to discuss
    
 
		    
				        
    44%
    
    
    27.09.2021
        
    
    	
        Jeff Layton ...  . The second part, darshan-util
, postprocesses the data.
Darshan gathers its data either by compile-time wrappers or dynamic library preloading. For message passing interface (MPI) applications, you can use
    
 
		    
				        
    44%
    
    
    28.11.2023
        
    
    	
        Jeff Layton ...   to, perhaps, access better performing storage to improve performance.
Quite a few distributed applications, primarily the message passing interface (MPI) [4], only had one process – the rank 0 process
    
 
		    
				        
    44%
    
    
    16.05.2013
        
    
    	
        Jeff Layton ...   code execution, you usually need some add-ons, such as Message Passing Interface (MPI) [5], and a code rewrite to allow multiple instances of the tool on different nodes that communicate over a network
    
 
		    
				        
    44%
    
    
    10.04.2015
        
    
    	
        Jeff Layton ...   definitely stress the processor(s) and memory, especially the bandwidth. I would recommend running single-core tests and tests that use all of the cores (i.e., MPI or OpenMP).
A number of benchmarks
    
 
		    
				        
    44%
    
    
    17.06.2017
        
    
    	
        Jeff Layton ...   to be popular with users, and, in fact, not many compilers offered them. While the compilers were being written, a Message Passing Interface (MPI) standard for passing data between processors, even if they weren