MATLAB PARALLEL COMPUTING TOOLBOX - S Guide de l'utilisateur télécharger pdf (Page 608)

100

101

11 Functions — Alphabetical List

11-264

Examples

Create Distributed Randi Matrix

Create a 1000-by-1000 distributed array of randi values from 1 to 100, with underlying

class double:

D = randi(100,1000,'distributed');

Create Codistributed Randi Matrix

Create a 1000-by-1000 codistributed double matrix of randi values from 0 to 12,

distributed by its second dimension (columns).

spmd(4)

C = randi([0 12],1000,'codistributed');

end

With four workers, each worker contains a 1000-by-250 local piece of C.

Create a 1000-by-1000 codistributed single matrix of randi values from 1 to 4,

distributed by its columns.

spmd(4)

codist = codistributor('1d',2,100*[1:numlabs]);

C = randi(4,1000,1000,'single',codist);

end

Each worker contains a 100-by-labindex local piece of C.

Create gpuArray Randi Matrix

Create a 1000-by-1000 gpuArray of randi values from —50 to 50, with underlying class

double:

G = randi([-50 50],1000,'double','gpuArray');

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MATLAB PARALLEL COMPUTING TOOLBOX - S Guide de l'utilisateur Page 608

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