softmax.cpp 1.1 KB
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#include <migraphx/gpu/softmax.hpp>
#include <migraphx/operators.hpp>
#include <migraphx/manage_ptr.hpp>
#include <migraphx/gpu/miopen.hpp>
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#include <utility>

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namespace migraphx {
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inline namespace MIGRAPHX_INLINE_NS {
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namespace gpu {

shape miopen_softmax::compute_shape(const std::vector<shape>& inputs) const
{
    check_shapes{inputs, *this}.has(2).standard();
    return op.compute_shape({inputs.at(0)});
}

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argument miopen_softmax::compute(context& ctx,
                                 const shape& output_shape,
                                 const std::vector<argument>& args) const
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{
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    float alpha = 1;
    float beta = 0;
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    auto x_desc = make_tensor(args[0].get_shape());
    auto y_desc = make_tensor(output_shape);
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    miopenSoftmaxForward(ctx.get_stream().get_miopen(),
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                         &alpha,
                         x_desc.get(),
                         args[0].implicit(),
                         &beta,
                         y_desc.get(),
                         args[1].implicit());

    return args[1];
}

} // namespace gpu
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} // namespace MIGRAPHX_INLINE_NS
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} // namespace migraphx