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'''A note on terminology:''' In much Compute Canada documentation the term 'node' refers  
'''A note on terminology:''' In most Compute Canada documentation the term 'node' refers  
to an individual machine, also called a 'host', and a collection of such nodes makes up a 'cluster'.   
to an individual machine, also called a 'host', and a collection of such nodes makes up a 'cluster'.   
In much R documentation, the term 'node' refers to a worker process and a 'cluster' is a
In a lot of R documentation however, the term 'node' refers to a worker process and a 'cluster' is a
collection of such processes.<br/>
collection of such processes. As an example, consider the following quote, "Following '''snow''', a pool  
:"Following '''snow''', a pool of worker processes listening ''via'' sockets for commands from the master is called a 'cluster' of nodes."<ref>Core package "parallel" vignette, https://stat.ethz.ch/R-manual/R-devel/library/parallel/doc/parallel.pdf</ref><br/>
of worker processes listening ''via'' sockets for commands from the master is called a 'cluster' of  
nodes."<ref>Core package "parallel" vignette, https://stat.ethz.ch/R-manual/R-devel/library/parallel/doc/parallel.pdf</ref>.


=== Rmpi === <!--T:23-->
=== Rmpi === <!--T:23-->
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