17 lines
326 B
R
17 lines
326 B
R
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# simple (and inefficient) parallel matrix multiply
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library(foreach)
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# generate the input matrices
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x <- matrix(rnorm(16), 4)
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y <- matrix(rnorm(16), 4)
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# multiply the matrices
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z <- foreach(y=iter(y, by='col'), .combine=cbind) %dopar% (x %*% y)
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# print the results
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print(z)
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# check the results
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print(all.equal(z, x %*% y))
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