From 61203453aaca4e47c05c598a673150522160ca87 Mon Sep 17 00:00:00 2001 From: Cedric Nugteren Date: Sun, 19 Jun 2016 13:55:49 +0200 Subject: Renamed all C++ source files to .cpp to match the .hpp extension better --- src/routines/level1/xasum.cpp | 102 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 102 insertions(+) create mode 100644 src/routines/level1/xasum.cpp (limited to 'src/routines/level1/xasum.cpp') diff --git a/src/routines/level1/xasum.cpp b/src/routines/level1/xasum.cpp new file mode 100644 index 00000000..0c1ce903 --- /dev/null +++ b/src/routines/level1/xasum.cpp @@ -0,0 +1,102 @@ + +// ================================================================================================= +// 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 Xasum class (see the header for information about the class). +// +// ================================================================================================= + +#include "routines/level1/xasum.hpp" + +#include +#include + +namespace clblast { +// ================================================================================================= + +// Constructor: forwards to base class constructor +template +Xasum::Xasum(Queue &queue, EventPointer event, const std::string &name): + Routine(queue, event, name, {"Xdot"}, PrecisionValue()) { + source_string_ = + #include "../../kernels/level1/xasum.opencl" + ; +} + +// ================================================================================================= + +// The main routine +template +StatusCode Xasum::DoAsum(const size_t n, + const Buffer &asum_buffer, const size_t asum_offset, + const Buffer &x_buffer, const size_t x_offset, const size_t x_inc) { + + // 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); + if (ErrorIn(status)) { return status; } + status = TestVectorScalar(1, asum_buffer, asum_offset); + if (ErrorIn(status)) { return status; } + + // Retrieves the Xasum kernels from the compiled binary + try { + const auto program = GetProgramFromCache(context_, PrecisionValue(), routine_name_); + auto kernel1 = Kernel(program, "Xasum"); + auto kernel2 = Kernel(program, "XasumEpilogue"); + + // 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, temp_buffer()); + + // Event waiting list + auto eventWaitList = std::vector(); + + // Launches the main kernel + auto global1 = std::vector{db_["WGS1"]*temp_size}; + auto local1 = std::vector{db_["WGS1"]}; + auto kernelEvent = Event(); + status = RunKernel(kernel1, queue_, device_, global1, local1, kernelEvent.pointer()); + if (ErrorIn(status)) { return status; } + eventWaitList.push_back(kernelEvent); + + // Sets the arguments for the epilogue kernel + kernel2.SetArgument(0, temp_buffer()); + kernel2.SetArgument(1, asum_buffer()); + kernel2.SetArgument(2, static_cast(asum_offset)); + + // Launches the epilogue kernel + auto global2 = std::vector{db_["WGS2"]}; + auto local2 = std::vector{db_["WGS2"]}; + status = RunKernel(kernel2, queue_, device_, global2, local2, event_, eventWaitList); + if (ErrorIn(status)) { return status; } + + // Succesfully finished the computation + return StatusCode::kSuccess; + } catch (...) { return StatusCode::kInvalidKernel; } +} + +// ================================================================================================= + +// Compiles the templated class +template class Xasum; +template class Xasum; +template class Xasum; +template class Xasum; +template class Xasum; + +// ================================================================================================= +} // namespace clblast -- cgit v1.2.3