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Update BLAS
authored
Mar 23, 2023
by
Alfredo Correa
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BLAS.md
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@@ -24,4 +24,4 @@ All these operations are now supported for CPU and GPU memory, real and complex.
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<s>
`blas::gemm(aa, blas::J(A), B, bb, C)`
</s>
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`C_{ij} \leftarrow \alpha \sum_k A_{ik}^* B_{kj} + \beta C_{ij}`
$ (not BLAS-implemented) | | |
`transform(begin(A), end(A), begin(C), begin(C), [BT=transposed(B)](auto const& Ar, auto&& Cr) {transform(begin(BT), end(BT), begin(Cr), begin(Cr), [&Ar](auto const& Bc, auto&& c) {return aa*blas::dot(blas::C(Ar), Bc) + bb*c;}); return std::move(Cr);});`
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<s>
`blas::gemm(aa, blas::J(A), blas::J(B), bb, C)`
</s>
| $
`C_{ij} \leftarrow \alpha \sum_k \bar{A_{ik}} \bar{B_{kj}} + \beta C_{ij}`
$ (not BLAS-implemented) | | |
`transform(begin(A), end(A), begin(C), begin(C), [BT=transposed(B)](auto const& Ar, auto&& Cr) {transform(begin(BT), end(BT), begin(Cr), begin(Cr), [&Ar](auto const& Bc, auto&& c) {return aa*blas::dot(blas::C(Ar), blas::C(Bc)) + bb*c;}); return std::move(Cr);});`
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`blas::gemm(aa, A, blas::H(B), bb, C)`
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`C_{ij} \leftarrow \alpha \sum_k A_{ik} \bar B_{jk} + \beta C_{ij}`
$ |
`C = aa*(A* ~*B)`
(or
`+=`
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`C = blas::gemm(aa, A, blas::H(B))`
`C += blas::gemm(aa, A, blas::H(B))`
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`transform(begin(A), end(A), begin(CC), begin(CC), [&](auto const& Ar, auto&& Cr){return blas::gemv(aa, blas::J(B), Ar, bb, move(Cr));})`
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`blas::gemm(aa, blas::H(A), B, bb, C)`
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`C_{ij} \leftarrow \alpha \sum_k \bar A_{ki} B_{kj} + \beta C_{ij}`
$
(not BLAS-implemented) | | |
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`blas::gemm(aa, blas::H(A), B, bb, C)`
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`C_{ij} \leftarrow \alpha \sum_k \bar A_{ki} B_{kj} + \beta C_{ij}`
$
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`CC=~*A *B`
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`C=blas::gemm(aa, blas::H(A), B)`
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`transform(begin(transposed(A)), end(transposed(A)), begin(CC), begin(CC), [BT=transposed(B)](auto const& Ac, auto&& Cr) {transform(begin(BT), end(BT), begin(Cr), begin(Cr), [&Ac](auto const& Bc, auto&& c){return aa*blas::dot(blas::C(Ac), Bc) + bb*c;}); return move(Cr);})`
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