[R-sig-hpc] Matrix multiplication

Simon Urbanek simon.urbanek at r-project.org
Tue Mar 13 07:26:41 CET 2012

On Mar 12, 2012, at 5:40 AM, Patrik Waldmann wrote:

> Dear members,
> I noticed that there isn't a function for matrix multiplication in the new parallel library. What would be the most efficient way to do a matrix multiplication there?

The parallel package is for *explicit* parallelization. R already does implicit parallelization (using OpenMP or multi-threaded BLAS or both) automatically - this includes matrix multiplication.


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