summaryrefslogtreecommitdiff
path: root/runtimes/nn/depend/external/eigen/Eigen/src/Core/products/GeneralMatrixMatrix_BLAS.h
diff options
context:
space:
mode:
Diffstat (limited to 'runtimes/nn/depend/external/eigen/Eigen/src/Core/products/GeneralMatrixMatrix_BLAS.h')
-rw-r--r--runtimes/nn/depend/external/eigen/Eigen/src/Core/products/GeneralMatrixMatrix_BLAS.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/runtimes/nn/depend/external/eigen/Eigen/src/Core/products/GeneralMatrixMatrix_BLAS.h b/runtimes/nn/depend/external/eigen/Eigen/src/Core/products/GeneralMatrixMatrix_BLAS.h
new file mode 100644
index 000000000..7a3bdbf20
--- /dev/null
+++ b/runtimes/nn/depend/external/eigen/Eigen/src/Core/products/GeneralMatrixMatrix_BLAS.h
@@ -0,0 +1,115 @@
+/*
+ Copyright (c) 2011, Intel Corporation. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modification,
+ are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name of Intel Corporation nor the names of its contributors may
+ be used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ ********************************************************************************
+ * Content : Eigen bindings to BLAS F77
+ * General matrix-matrix product functionality based on ?GEMM.
+ ********************************************************************************
+*/
+
+#ifndef EIGEN_GENERAL_MATRIX_MATRIX_BLAS_H
+#define EIGEN_GENERAL_MATRIX_MATRIX_BLAS_H
+
+namespace Eigen {
+
+namespace internal {
+
+/**********************************************************************
+* This file implements general matrix-matrix multiplication using BLAS
+* gemm function via partial specialization of
+* general_matrix_matrix_product::run(..) method for float, double,
+* std::complex<float> and std::complex<double> types
+**********************************************************************/
+
+// gemm specialization
+
+#define GEMM_SPECIALIZATION(EIGTYPE, EIGPREFIX, BLASTYPE, BLASPREFIX) \
+template< \
+ typename Index, \
+ int LhsStorageOrder, bool ConjugateLhs, \
+ int RhsStorageOrder, bool ConjugateRhs> \
+struct general_matrix_matrix_product<Index,EIGTYPE,LhsStorageOrder,ConjugateLhs,EIGTYPE,RhsStorageOrder,ConjugateRhs,ColMajor> \
+{ \
+typedef gebp_traits<EIGTYPE,EIGTYPE> Traits; \
+\
+static void run(Index rows, Index cols, Index depth, \
+ const EIGTYPE* _lhs, Index lhsStride, \
+ const EIGTYPE* _rhs, Index rhsStride, \
+ EIGTYPE* res, Index resStride, \
+ EIGTYPE alpha, \
+ level3_blocking<EIGTYPE, EIGTYPE>& /*blocking*/, \
+ GemmParallelInfo<Index>* /*info = 0*/) \
+{ \
+ using std::conj; \
+\
+ char transa, transb; \
+ BlasIndex m, n, k, lda, ldb, ldc; \
+ const EIGTYPE *a, *b; \
+ EIGTYPE beta(1); \
+ MatrixX##EIGPREFIX a_tmp, b_tmp; \
+\
+/* Set transpose options */ \
+ transa = (LhsStorageOrder==RowMajor) ? ((ConjugateLhs) ? 'C' : 'T') : 'N'; \
+ transb = (RhsStorageOrder==RowMajor) ? ((ConjugateRhs) ? 'C' : 'T') : 'N'; \
+\
+/* Set m, n, k */ \
+ m = convert_index<BlasIndex>(rows); \
+ n = convert_index<BlasIndex>(cols); \
+ k = convert_index<BlasIndex>(depth); \
+\
+/* Set lda, ldb, ldc */ \
+ lda = convert_index<BlasIndex>(lhsStride); \
+ ldb = convert_index<BlasIndex>(rhsStride); \
+ ldc = convert_index<BlasIndex>(resStride); \
+\
+/* Set a, b, c */ \
+ if ((LhsStorageOrder==ColMajor) && (ConjugateLhs)) { \
+ Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > lhs(_lhs,m,k,OuterStride<>(lhsStride)); \
+ a_tmp = lhs.conjugate(); \
+ a = a_tmp.data(); \
+ lda = convert_index<BlasIndex>(a_tmp.outerStride()); \
+ } else a = _lhs; \
+\
+ if ((RhsStorageOrder==ColMajor) && (ConjugateRhs)) { \
+ Map<const MatrixX##EIGPREFIX, 0, OuterStride<> > rhs(_rhs,k,n,OuterStride<>(rhsStride)); \
+ b_tmp = rhs.conjugate(); \
+ b = b_tmp.data(); \
+ ldb = convert_index<BlasIndex>(b_tmp.outerStride()); \
+ } else b = _rhs; \
+\
+ BLASPREFIX##gemm_(&transa, &transb, &m, &n, &k, &numext::real_ref(alpha), (const BLASTYPE*)a, &lda, (const BLASTYPE*)b, &ldb, &numext::real_ref(beta), (BLASTYPE*)res, &ldc); \
+}};
+
+GEMM_SPECIALIZATION(double, d, double, d)
+GEMM_SPECIALIZATION(float, f, float, s)
+GEMM_SPECIALIZATION(dcomplex, cd, double, z)
+GEMM_SPECIALIZATION(scomplex, cf, float, c)
+
+} // end namespase internal
+
+} // end namespace Eigen
+
+#endif // EIGEN_GENERAL_MATRIX_MATRIX_BLAS_H