From a2e726d3bd4294f1eae1735f6ba23105dccc6b10 Mon Sep 17 00:00:00 2001 From: CNugteren Date: Mon, 14 Sep 2015 16:57:00 +0200 Subject: Added xDOT/xDOTU/xDOTC dot-product routines --- src/routines/level1/xdot.cc | 115 +++++++++++++++++++++++++++++++++++++++++++ src/routines/level1/xdotc.cc | 49 ++++++++++++++++++ src/routines/level1/xdotu.cc | 49 ++++++++++++++++++ 3 files changed, 213 insertions(+) create mode 100644 src/routines/level1/xdot.cc create mode 100644 src/routines/level1/xdotc.cc create mode 100644 src/routines/level1/xdotu.cc (limited to 'src/routines/level1') diff --git a/src/routines/level1/xdot.cc b/src/routines/level1/xdot.cc new file mode 100644 index 00000000..a0c1e756 --- /dev/null +++ b/src/routines/level1/xdot.cc @@ -0,0 +1,115 @@ + +// ================================================================================================= +// 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 +// +// This file implements the Xdot class (see the header for information about the class). +// +// ================================================================================================= + +#include "internal/routines/level1/xdot.h" + +#include +#include + +namespace clblast { +// ================================================================================================= + +// Specific implementations to get the memory-type based on a template argument +template <> const Precision Xdot::precision_ = Precision::kSingle; +template <> const Precision Xdot::precision_ = Precision::kDouble; +template <> const Precision Xdot::precision_ = Precision::kComplexSingle; +template <> const Precision Xdot::precision_ = Precision::kComplexDouble; + +// ================================================================================================= + +// Constructor: forwards to base class constructor +template +Xdot::Xdot(Queue &queue, Event &event, const std::string &name): + Routine(queue, event, name, {"Xdot"}, precision_) { + source_string_ = + #include "../../kernels/level1/xdot.opencl" + ; +} + +// ================================================================================================= + +// The main routine +template +StatusCode Xdot::DoDot(const size_t n, + const Buffer &dot_buffer, const size_t dot_offset, + const Buffer &x_buffer, const size_t x_offset, const size_t x_inc, + const Buffer &y_buffer, const size_t y_offset, const size_t y_inc, + const bool do_conjugate) { + + // Makes sure all dimensions are larger than zero + if (n == 0) { return StatusCode::kInvalidDimension; } + + // Tests the vectors for validity + auto status = TestVectorX(n, x_buffer, x_offset, x_inc, sizeof(T)); + if (ErrorIn(status)) { return status; } + status = TestVectorY(n, y_buffer, y_offset, y_inc, sizeof(T)); + if (ErrorIn(status)) { return status; } + status = TestVectorDot(1, dot_buffer, dot_offset, sizeof(T)); + if (ErrorIn(status)) { return status; } + + // Retrieves the Xdot kernels from the compiled binary + try { + auto& program = GetProgramFromCache(); + auto kernel1 = Kernel(program, "Xdot"); + auto kernel2 = Kernel(program, "XdotEpilogue"); + + // Creates the buffer for intermediate values + auto temp_size = 2*db_["WGS2"]; + auto temp_buffer = Buffer(context_, temp_size); + + // Sets the kernel arguments + kernel1.SetArgument(0, static_cast(n)); + kernel1.SetArgument(1, x_buffer()); + kernel1.SetArgument(2, static_cast(x_offset)); + kernel1.SetArgument(3, static_cast(x_inc)); + kernel1.SetArgument(4, y_buffer()); + kernel1.SetArgument(5, static_cast(y_offset)); + kernel1.SetArgument(6, static_cast(y_inc)); + kernel1.SetArgument(7, temp_buffer()); + kernel1.SetArgument(8, static_cast(do_conjugate)); + + // Launches the main kernel + auto global1 = std::vector{db_["WGS1"]*temp_size}; + auto local1 = std::vector{db_["WGS1"]}; + status = RunKernel(kernel1, global1, local1); + if (ErrorIn(status)) { return status; } + + // Sets the arguments for the epilogue kernel + kernel2.SetArgument(0, temp_buffer()); + kernel2.SetArgument(1, dot_buffer()); + kernel2.SetArgument(2, static_cast(dot_offset)); + + // Launches the epilogue kernel + auto global2 = std::vector{db_["WGS2"]}; + auto local2 = std::vector{db_["WGS2"]}; + status = RunKernel(kernel2, global2, local2); + if (ErrorIn(status)) { return status; } + + // Waits for all kernels to finish + queue_.Finish(); + + // Succesfully finished the computation + return StatusCode::kSuccess; + } catch (...) { return StatusCode::kInvalidKernel; } +} + +// ================================================================================================= + +// Compiles the templated class +template class Xdot; +template class Xdot; +template class Xdot; +template class Xdot; + +// ================================================================================================= +} // namespace clblast diff --git a/src/routines/level1/xdotc.cc b/src/routines/level1/xdotc.cc new file mode 100644 index 00000000..f414f556 --- /dev/null +++ b/src/routines/level1/xdotc.cc @@ -0,0 +1,49 @@ + +// ================================================================================================= +// 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 +// +// This file implements the Xdotc class (see the header for information about the class). +// +// ================================================================================================= + +#include "internal/routines/level1/xdotc.h" + +#include +#include + +namespace clblast { +// ================================================================================================= + +// Constructor: forwards to base class constructor +template +Xdotc::Xdotc(Queue &queue, Event &event, const std::string &name): + Xdot(queue, event, name) { +} + +// ================================================================================================= + +// The main routine +template +StatusCode Xdotc::DoDotc(const size_t n, + const Buffer &dot_buffer, const size_t dot_offset, + const Buffer &x_buffer, const size_t x_offset, const size_t x_inc, + const Buffer &y_buffer, const size_t y_offset, const size_t y_inc) { + return DoDot(n, dot_buffer, dot_offset, + x_buffer, x_offset, x_inc, + y_buffer, y_offset, y_inc, + true); +} + +// ================================================================================================= + +// Compiles the templated class +template class Xdotc; +template class Xdotc; + +// ================================================================================================= +} // namespace clblast diff --git a/src/routines/level1/xdotu.cc b/src/routines/level1/xdotu.cc new file mode 100644 index 00000000..0b1bd2a8 --- /dev/null +++ b/src/routines/level1/xdotu.cc @@ -0,0 +1,49 @@ + +// ================================================================================================= +// 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 +// +// This file implements the Xdotu class (see the header for information about the class). +// +// ================================================================================================= + +#include "internal/routines/level1/xdotu.h" + +#include +#include + +namespace clblast { +// ================================================================================================= + +// Constructor: forwards to base class constructor +template +Xdotu::Xdotu(Queue &queue, Event &event, const std::string &name): + Xdot(queue, event, name) { +} + +// ================================================================================================= + +// The main routine +template +StatusCode Xdotu::DoDotu(const size_t n, + const Buffer &dot_buffer, const size_t dot_offset, + const Buffer &x_buffer, const size_t x_offset, const size_t x_inc, + const Buffer &y_buffer, const size_t y_offset, const size_t y_inc) { + return DoDot(n, dot_buffer, dot_offset, + x_buffer, x_offset, x_inc, + y_buffer, y_offset, y_inc, + false); +} + +// ================================================================================================= + +// Compiles the templated class +template class Xdotu; +template class Xdotu; + +// ================================================================================================= +} // namespace clblast -- cgit v1.2.3