diff options
author | CNugteren <web@cedricnugteren.nl> | 2015-09-26 16:58:03 +0200 |
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committer | CNugteren <web@cedricnugteren.nl> | 2015-09-26 16:58:03 +0200 |
commit | 2b56c2c60325f02bc695cbb968049cc09205c713 (patch) | |
tree | 3356b67a281d8292e893028d74a1801554ce0ef2 /src/routines | |
parent | 04d28b0420b7aef7c1bb9b6eec8b723b04e9bd9f (diff) |
Added TRMV/TBMV/TPMV routines
Diffstat (limited to 'src/routines')
-rw-r--r-- | src/routines/level2/xtbmv.cc | 81 | ||||
-rw-r--r-- | src/routines/level2/xtpmv.cc | 81 | ||||
-rw-r--r-- | src/routines/level2/xtrmv.cc | 81 |
3 files changed, 243 insertions, 0 deletions
diff --git a/src/routines/level2/xtbmv.cc b/src/routines/level2/xtbmv.cc new file mode 100644 index 00000000..2e1aebff --- /dev/null +++ b/src/routines/level2/xtbmv.cc @@ -0,0 +1,81 @@ + +// ================================================================================================= +// 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 Xtbmv class (see the header for information about the class). +// +// ================================================================================================= + +#include "internal/routines/level2/xtbmv.h" + +#include <string> +#include <vector> + +namespace clblast { +// ================================================================================================= + +// Constructor: forwards to base class constructor +template <typename T> +Xtbmv<T>::Xtbmv(Queue &queue, Event &event, const std::string &name): + Xgemv<T>(queue, event, name) { +} + +// ================================================================================================= + +// The main routine +template <typename T> +StatusCode Xtbmv<T>::DoTbmv(const Layout layout, const Triangle triangle, + const Transpose a_transpose, const Diagonal diagonal, + const size_t n, const size_t k, + const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld, + const Buffer<T> &x_buffer, const size_t x_offset, const size_t x_inc) { + + // Creates a copy of X: a temporary scratch buffer + auto scratch_buffer = Buffer<T>(context_, n*x_inc + x_offset); + try { + x_buffer.CopyTo(queue_, n*x_inc + x_offset, scratch_buffer); + } catch (...) { } // Continues: error-code is returned in MatVec + + // The data is either in the upper or lower triangle + size_t is_upper = ((triangle == Triangle::kUpper && layout != Layout::kRowMajor) || + (triangle == Triangle::kLower && layout == Layout::kRowMajor)); + + // Adds '2' to the parameter if the diagonal is unit + auto parameter = (diagonal == Diagonal::kUnit) ? is_upper + 2 : is_upper; + + // Runs the generic matrix-vector multiplication, disabling the use of fast vectorized kernels. + // The specific triangular banded matrix-accesses are implemented in the kernel guarded by the + // ROUTINE_TBMV define. + auto fast_kernels = false; + auto status = MatVec(layout, a_transpose, + n, n, static_cast<T>(1), + a_buffer, a_offset, a_ld, + scratch_buffer, x_offset, x_inc, static_cast<T>(0), + x_buffer, x_offset, x_inc, + fast_kernels, fast_kernels, + parameter, false, k, 0); + + // Returns the proper error code (renames vector Y to X) + switch(status) { + case StatusCode::kInvalidVectorY: return StatusCode::kInvalidVectorX; + case StatusCode::kInvalidIncrementY: return StatusCode::kInvalidIncrementX; + case StatusCode::kInsufficientMemoryY: return StatusCode::kInsufficientMemoryX; + default: return status; + } +} + +// ================================================================================================= + +// Compiles the templated class +template class Xtbmv<float>; +template class Xtbmv<double>; +template class Xtbmv<float2>; +template class Xtbmv<double2>; + +// ================================================================================================= +} // namespace clblast diff --git a/src/routines/level2/xtpmv.cc b/src/routines/level2/xtpmv.cc new file mode 100644 index 00000000..aa0e099b --- /dev/null +++ b/src/routines/level2/xtpmv.cc @@ -0,0 +1,81 @@ + +// ================================================================================================= +// 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 Xtpmv class (see the header for information about the class). +// +// ================================================================================================= + +#include "internal/routines/level2/xtpmv.h" + +#include <string> +#include <vector> + +namespace clblast { +// ================================================================================================= + +// Constructor: forwards to base class constructor +template <typename T> +Xtpmv<T>::Xtpmv(Queue &queue, Event &event, const std::string &name): + Xgemv<T>(queue, event, name) { +} + +// ================================================================================================= + +// The main routine +template <typename T> +StatusCode Xtpmv<T>::DoTpmv(const Layout layout, const Triangle triangle, + const Transpose a_transpose, const Diagonal diagonal, + const size_t n, + const Buffer<T> &ap_buffer, const size_t ap_offset, + const Buffer<T> &x_buffer, const size_t x_offset, const size_t x_inc) { + + // Creates a copy of X: a temporary scratch buffer + auto scratch_buffer = Buffer<T>(context_, n*x_inc + x_offset); + try { + x_buffer.CopyTo(queue_, n*x_inc + x_offset, scratch_buffer); + } catch (...) { } // Continues: error-code is returned in MatVec + + // The data is either in the upper or lower triangle + size_t is_upper = ((triangle == Triangle::kUpper && layout != Layout::kRowMajor) || + (triangle == Triangle::kLower && layout == Layout::kRowMajor)); + + // Adds '2' to the parameter if the diagonal is unit + auto parameter = (diagonal == Diagonal::kUnit) ? is_upper + 2 : is_upper; + + // Runs the generic matrix-vector multiplication, disabling the use of fast vectorized kernels. + // The specific triangular packed matrix-accesses are implemented in the kernel guarded by the + // ROUTINE_TPMV define. + auto fast_kernels = false; + auto status = MatVec(layout, a_transpose, + n, n, static_cast<T>(1), + ap_buffer, ap_offset, n, + scratch_buffer, x_offset, x_inc, static_cast<T>(0), + x_buffer, x_offset, x_inc, + fast_kernels, fast_kernels, + parameter, true, 0, 0); + + // Returns the proper error code (renames vector Y to X) + switch(status) { + case StatusCode::kInvalidVectorY: return StatusCode::kInvalidVectorX; + case StatusCode::kInvalidIncrementY: return StatusCode::kInvalidIncrementX; + case StatusCode::kInsufficientMemoryY: return StatusCode::kInsufficientMemoryX; + default: return status; + } +} + +// ================================================================================================= + +// Compiles the templated class +template class Xtpmv<float>; +template class Xtpmv<double>; +template class Xtpmv<float2>; +template class Xtpmv<double2>; + +// ================================================================================================= +} // namespace clblast diff --git a/src/routines/level2/xtrmv.cc b/src/routines/level2/xtrmv.cc new file mode 100644 index 00000000..94424743 --- /dev/null +++ b/src/routines/level2/xtrmv.cc @@ -0,0 +1,81 @@ + +// ================================================================================================= +// 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 Xtrmv class (see the header for information about the class). +// +// ================================================================================================= + +#include "internal/routines/level2/xtrmv.h" + +#include <string> +#include <vector> + +namespace clblast { +// ================================================================================================= + +// Constructor: forwards to base class constructor +template <typename T> +Xtrmv<T>::Xtrmv(Queue &queue, Event &event, const std::string &name): + Xgemv<T>(queue, event, name) { +} + +// ================================================================================================= + +// The main routine +template <typename T> +StatusCode Xtrmv<T>::DoTrmv(const Layout layout, const Triangle triangle, + const Transpose a_transpose, const Diagonal diagonal, + const size_t n, + const Buffer<T> &a_buffer, const size_t a_offset, const size_t a_ld, + const Buffer<T> &x_buffer, const size_t x_offset, const size_t x_inc) { + + // Creates a copy of X: a temporary scratch buffer + auto scratch_buffer = Buffer<T>(context_, n*x_inc + x_offset); + try { + x_buffer.CopyTo(queue_, n*x_inc + x_offset, scratch_buffer); + } catch (...) { } // Continues: error-code is returned in MatVec + + // The data is either in the upper or lower triangle + size_t is_upper = ((triangle == Triangle::kUpper && layout != Layout::kRowMajor) || + (triangle == Triangle::kLower && layout == Layout::kRowMajor)); + + // Adds '2' to the parameter if the diagonal is unit + auto parameter = (diagonal == Diagonal::kUnit) ? is_upper + 2 : is_upper; + + // Runs the generic matrix-vector multiplication, disabling the use of fast vectorized kernels. + // The specific triangular matrix-accesses are implemented in the kernel guarded by the + // ROUTINE_TRMV define. + auto fast_kernels = false; + auto status = MatVec(layout, a_transpose, + n, n, static_cast<T>(1), + a_buffer, a_offset, a_ld, + scratch_buffer, x_offset, x_inc, static_cast<T>(0), + x_buffer, x_offset, x_inc, + fast_kernels, fast_kernels, + parameter, false, 0, 0); + + // Returns the proper error code (renames vector Y to X) + switch(status) { + case StatusCode::kInvalidVectorY: return StatusCode::kInvalidVectorX; + case StatusCode::kInvalidIncrementY: return StatusCode::kInvalidIncrementX; + case StatusCode::kInsufficientMemoryY: return StatusCode::kInsufficientMemoryX; + default: return status; + } +} + +// ================================================================================================= + +// Compiles the templated class +template class Xtrmv<float>; +template class Xtrmv<double>; +template class Xtrmv<float2>; +template class Xtrmv<double2>; + +// ================================================================================================= +} // namespace clblast |