test_lstm_forward_last.cpp

#include "verify_program.hpp"
#include <migraphx/program.hpp>
#include <migraphx/generate.hpp>
#include <migraphx/operators.hpp>

struct test_lstm_forward_last : verify_program<test_lstm_forward_last>
{
    migraphx::program create_program() const
    {
        std::size_t batch_size  = 2;
        std::size_t seq_len     = 3;
        std::size_t hidden_size = 5;
        std::size_t input_size  = 8;
        std::size_t num_dirct   = 1;
        float clip              = 0.0f;

        migraphx::program p;
        auto* mm = p.get_main_module();
        migraphx::shape in_shape{migraphx::shape::float_type, {seq_len, batch_size, input_size}};
        migraphx::shape w_shape{migraphx::shape::float_type,
                                {num_dirct, 4 * hidden_size, input_size}};
        migraphx::shape r_shape{migraphx::shape::float_type,
                                {num_dirct, 4 * hidden_size, hidden_size}};
        migraphx::shape b_shape{migraphx::shape::float_type, {num_dirct, 8 * hidden_size}};
        migraphx::shape ih_shape{migraphx::shape::float_type, {num_dirct, batch_size, hidden_size}};
        migraphx::shape l_shape{migraphx::shape::int32_type, {batch_size}};
        migraphx::shape ic_shape{migraphx::shape::float_type, {num_dirct, batch_size, hidden_size}};
        migraphx::shape pph_shape{migraphx::shape::float_type, {num_dirct, 3 * hidden_size}};

        auto seq  = mm->add_parameter("seq", in_shape);
        auto w    = mm->add_parameter("w", w_shape);
        auto r    = mm->add_parameter("r", r_shape);
        auto bias = mm->add_parameter("bias", b_shape);
        auto ih   = mm->add_parameter("ih", ih_shape);
        auto len  = mm->add_literal(migraphx::literal(l_shape, {1, 2}));
        auto ic   = mm->add_parameter("ic", ic_shape);
        auto pph  = mm->add_parameter("pph", pph_shape);

        auto output = mm->add_instruction(
            migraphx::op::lstm{
                hidden_size,
                {migraphx::op::sigmoid{}, migraphx::op::tanh{}, migraphx::op::tanh{}},
                migraphx::op::rnn_direction::forward,
                clip},
            seq,
            w,
            r,
            bias,
            len,
            ih,
            ic,
            pph);
        mm->add_instruction(migraphx::op::rnn_last_hs_output{}, output, len);

        return p;
    }
    std::string section() const { return "rnn"; }
};