copyFileToStore(store,fileSet,keySet)
copies files from the local file system fileSet to
store using the corresponding keys keySet. If the
keys already exist in store, then copyFileToStore
replaces the files associated with the specified keys.
Run a simulation on a parallel pool of process workers and retrieve the file storage on a client. The file storage is a FileStore object with key-file entries. Copy files to this object as specified by its corresponding keys using the copyFileToStore function.
The following simulation finds the average and standard deviation of random matrices and stores the results in the FileStore object using copyFileToStore.
type workerStatsCode
function workerStatsCode(models)
% Get the FileStore of the current job
store = getCurrentFileStore;
for i = 1:numel(models)
% Compute the average and standard deviation of random matrices
A = rand(models(i));
M = mean(A);
S = std(A);
% Save simulation results in temporary files
sourceTempFile = strcat(tempname("C:\myTempFolder"),".mat");
save(sourceTempFile,"M","S");
% Copy files to FileStore object as key-file pairs
key = strcat("result_",num2str(i));
copyFileToStore(store,sourceTempFile,key);
end
end
Start a parallel pool of process workers.
pool = parpool("Processes");
Starting parallel pool (parpool) using the 'Processes' profile ...
Connected to the parallel pool (number of workers: 6).
File storage shared by MATLAB clients and workers, specified as a FileStore
object.
Local files, specified as a character vector, string scalar, string array, or cell
array of character vectors or strings. fileSet and
keySet must have the same number of elements.
Example: ["/data/run.mat" "/tmp/run_log.txt"]
Keys to add, specified as a character vector, string scalar, string array, or cell
array of character vectors or strings. fileSet and
keySet must have the same number of elements.
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