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// =================================================================================================
// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
// width of 100 characters per line.
//
// Author(s):
// Cedric Nugteren <www.cedricnugteren.nl>
//
// This file implements the XgemmStridedBatched routine. This is a non-blas batched version of GEMM.
//
// =================================================================================================
#ifndef CLBLAST_ROUTINES_XGEMMSTRIDEDBATCHED_H_
#define CLBLAST_ROUTINES_XGEMMSTRIDEDBATCHED_H_
#include <vector>
#include "routine.hpp"
namespace clblast {
// =================================================================================================
// See comment at top of file for a description of the class
template <typename T>
class XgemmStridedBatched: public Routine {
public:
// Constructor
XgemmStridedBatched(Queue &queue, EventPointer event, const std::string &name = "GEMMSTRIDEDBATCHED");
// Templated-precision implementation of the routine
void DoGemmStridedBatched(const Layout layout, const Transpose a_transpose, const Transpose b_transpose,
const size_t m, const size_t n, const size_t k, const T alpha,
const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld, const size_t a_stride,
const Buffer<T> &b_buffer, const size_t b_offset, const size_t b_ld, const size_t b_stride, const T beta,
const Buffer<T> &c_buffer, const size_t c_offset, const size_t c_ld, const size_t c_stride,
const size_t batch_count);
// Indirect version of strided batched GEMM (with pre and post-processing kernels)
void BatchedGemmIndirect(const size_t m, const size_t n, const size_t k, const T alpha,
const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld, const size_t a_stride,
const Buffer<T> &b_buffer, const size_t b_offset, const size_t b_ld, const size_t b_stride, const T beta,
const Buffer<T> &c_buffer, const size_t c_offset, const size_t c_ld, const size_t c_stride,
const bool a_do_transpose, const bool b_do_transpose, const bool c_do_transpose,
const bool a_conjugate, const bool b_conjugate,
const size_t a_one, const size_t a_two,
const size_t b_one, const size_t b_two,
const size_t c_one, const size_t c_two,
const size_t batch_count);
// Direct version of strided batched GEMM (no pre and post-processing kernels)
void BatchedGemmDirect(const size_t m, const size_t n, const size_t k, const T alpha,
const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld, const size_t a_stride,
const Buffer<T> &b_buffer, const size_t b_offset, const size_t b_ld, const size_t b_stride, const T beta,
const Buffer<T> &c_buffer, const size_t c_offset, const size_t c_ld, const size_t c_stride,
const bool a_do_transpose, const bool b_do_transpose, const bool c_do_transpose,
const bool a_conjugate, const bool b_conjugate,
const size_t batch_count);
};
// =================================================================================================
} // namespace clblast
// CLBLAST_ROUTINES_XGEMMSTRIDEDBATCHED_H_
#endif
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