ugemm.h (ulmblas/impl/level3/ukernel/sse/ugemm.h)

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/*

 * Copyright (C) 2014, The University of Texas at Austin

 *

 * 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 The University of Texas at Austin 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

 * HOLDER 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.

 *

 */

/*

 * Copyright (C) 2014-2015, Michael Lehn

 *

 * ulmBLAS adopted general ideas from BLIS.  Using micro kernels from BLIS

 * only requires minor modifications,

 *

 */

#ifndef ULMBLAS_IMPL_LEVEL3_UKERNEL_SSE_UGEMM_H

#define ULMBLAS_IMPL_LEVEL3_UKERNEL_SSE_UGEMM_H 1

#include <type_traits>

#include <ulmblas/impl/level3/ukernel/ref/ugemm.h>

namespace ulmBLAS { namespace sse {

template <typename T>

struct BlockSizeUGemm

{

    static const int MR = (std::is_same<T,double>::value) ? 4

                        : ref::BlockSizeUGemm<T>::MR;

    static const int NR = (std::is_same<T,double>::value) ? 4

                        : ref::BlockSizeUGemm<T>::NR;

    static_assert(MR>0 && NR>0, "Invalid block size.");

};

using ref::ugemm;

template <typename IndexType>

static typename std::enable_if<std::is_convertible<IndexType,long>::value,

    void>::type

    ugemm(IndexType      kc_,

          const double   &alpha,

          const double   *A,

          const double   *B,

          const double   &beta,

          double         *C,

          IndexType      incRowC_,

          IndexType      incColC_,

          const double   *nextA,

          const double   *nextB);

} } // namespace sse, ulmBLAS

#endif // ULMBLAS_IMPL_LEVEL3_UKERNEL_SSE_UGEMM_H

#include <ulmblas/impl/level3/ukernel/sse/ugemm.tcc>