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- Element-wise vector-vector multiplication in MKL?

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Customer__Intel4

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10-02-2011
04:41 AM

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Element-wise vector-vector multiplication in MKL?

Does MKL have any function that doeselement-wise vector-vector multiplication?

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Gennady_F_Intel

Moderator

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10-02-2011
08:37 AM

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yes, see ?dot (...) routines which compute a vector-vector dot product

TimP

Black Belt

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10-02-2011
10:10 AM

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It's written up in documentation/mkl mkl manual. 6 data types supported for v?Mul().

Customer__Intel4

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10-03-2011
12:39 AM

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ThanksGennadyand Timp ! I mean what thev?Mul() does, not the dot product.

Don_Ritchie

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10-05-2011
04:40 AM

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M(i,j)=x(i)*y(j),

this is called a "rank-1 update" in blas level 2. It's done by the ger/sger/dger routines for a general case.

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