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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 XaxpyBatched class (see the header for information about the class).
//
// =================================================================================================
#include "routines/levelx/xaxpybatched.hpp"
#include <string>
#include <vector>
namespace clblast {
// =================================================================================================
// Constructor: forwards to base class constructor
template <typename T>
XaxpyBatched<T>::XaxpyBatched(Queue &queue, EventPointer event, const std::string &name):
Xaxpy<T>(queue, event, name) {
}
// =================================================================================================
// The main routine
template <typename T>
void XaxpyBatched<T>::DoAxpyBatched(const size_t n, const std::vector<T> &alphas,
const std::vector<Buffer<T>> &x_buffers, const size_t x_inc,
const std::vector<Buffer<T>> &y_buffers, const size_t y_inc,
const size_t batch_count) {
if (batch_count < 1) { throw BLASError(StatusCode::kInvalidBatchCount); }
if (alphas.size() != batch_count) { throw BLASError(StatusCode::kInvalidBatchCount); }
if (x_buffers.size() != batch_count) { throw BLASError(StatusCode::kInvalidBatchCount); }
if (y_buffers.size() != batch_count) { throw BLASError(StatusCode::kInvalidBatchCount); }
// Naive implementation: calls regular Axpy multiple times
for (auto batch = size_t{0}; batch < batch_count; ++batch) {
DoAxpy(n, alphas[batch],
x_buffers[batch], 0, x_inc,
y_buffers[batch], 0, y_inc);
}
}
// =================================================================================================
// Compiles the templated class
template class XaxpyBatched<half>;
template class XaxpyBatched<float>;
template class XaxpyBatched<double>;
template class XaxpyBatched<float2>;
template class XaxpyBatched<double2>;
// =================================================================================================
} // namespace clblast
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