Function TEST_CASE

test/gpu/gemm_tune.cpp:56–96

* Tests the automatic GEMM tuning feature for rocBLAS and hipBLASLt. * In the finalize() method of the gemm op, * rocBLAS API functions are called to quickly benchmark all the GEMM solutions * available in the currently installed rocBLAS library and choose the index of the fastest. */

 * available in the currently installed rocBLAS library and choose the index of the fastest.
 */
TEST_CASE(gemm_tune)
{
    migraphx::program p;
    auto* mm = p.get_main_module();

    migraphx::shape sa{migraphx::shape::float_type, {4, 2}};
    migraphx::shape sb{migraphx::shape::float_type, {2, 3}};
    auto a = mm->add_parameter("a", sa);
    auto b = mm->add_parameter("b", sb);

    migraphx::operation dot_op = migraphx::make_op("dot");
    mm->add_instruction(dot_op, a, b);

    // lowering adds gemm implementation for dot operator
    run_lowering(p);

    migraphx::target gpu_t = migraphx::gpu::target{};
    migraphx::compile_options options;
    options.exhaustive_tune = true;
    p.compile(gpu_t, options);

    migraphx::value solution_idx(0);
    for(auto ins : iterator_for(*p.get_main_module()))
    {
        if(ins->name() == "gpu::gemm" or ins->name() == "gpu::hip_gemm")
        {
            auto gemm_op = migraphx::get_operation(ins);

            // tuned solution index is not deterministic, but anything other than 0
            // (default, invalid, or not available) is good.
            // gemm_op.to_value().debug_print();
            solution_idx = gemm_op.to_value()["solution_idx"];
            break;
        }
    }
#if defined(MIGRAPHX_USE_ROCBLAS_TUNING_API) or MIGRAPHX_USE_HIPBLASLT
    EXPECT(0 != solution_idx.to<std::size_t>());
#else
    EXPECT(0 == solution_idx.to<std::size_t>());
#endif
}

// GEMM tuning of a strided-batch matrix; invokes rocblas_gemm_strided_batched_ex
TEST_CASE(gemm_tune_strided)