// SPDX-License-Identifier: MIT
// Copyright (c) 2018-2023, Advanced Micro Devices, Inc. All rights reserved.

#include "gtest/gtest.h"
#include "profiler/profile_layernorm_fwd_impl.hpp"

using F16 = ck::half_t;
using F32 = float;
using ck::index_t;

static ck::index_t length_mask    = 0xffff;
static ck::index_t instance_index = -1;

template <typename Tuple>
class TestLayernorm4d : public ::testing::Test
{
    protected:
    using XDataType              = std::tuple_element_t<0, Tuple>;
    using GammaDataType          = std::tuple_element_t<1, Tuple>;
    using BetaDataType           = std::tuple_element_t<2, Tuple>;
    using ComputeDataType        = std::tuple_element_t<3, Tuple>;
    using YDataType              = std::tuple_element_t<4, Tuple>;
    using SaveMeanInvStdDataType = std::tuple_element_t<5, Tuple>;

    void Run()
    {
        // [N, D], reduce D
        std::vector<std::vector<ck::index_t>> lengths = {
            {1, 1, 1, 1}, {7, 7, 7, 7}, {256, 16, 16, 8}};

        for(size_t i = 0; i < lengths.size(); i++)
        {
            if((length_mask & (1 << i)) == 0)
            {
                continue;
            }
            auto length  = lengths[i];
            bool success = ck::profiler::profile_layernorm_impl<XDataType,
                                                                GammaDataType,
                                                                BetaDataType,
                                                                ComputeDataType,
                                                                YDataType,
                                                                SaveMeanInvStdDataType,
                                                                true,
                                                                4>(
                true, 2, false, false, length, instance_index);
            EXPECT_TRUE(success);
        }
    }
};

using KernelTypes = ::testing::Types<
    // XDataType, GammaDataType, BetaDataType, ComputeDataType, YDataType, SaveMeanInvStdDataType>
    std::tuple<F16, F16, F16, F32, F16, F16>>;

TYPED_TEST_SUITE(TestLayernorm4d, KernelTypes);
TYPED_TEST(TestLayernorm4d, Test_FP16) { this->Run(); }
int main(int argc, char** argv)
{
    testing::InitGoogleTest(&argc, argv);
    if(argc == 1) {}
    else if(argc == 3)
    {
        length_mask    = strtol(argv[1], nullptr, 0);
        instance_index = atoi(argv[2]);
    }
    else
    {
        std::cout << "Usage of " << argv[0] << std::endl;
        std::cout << "Arg1,2: length_mask instance_index(-1 means all)" << std::endl;
    }
    return RUN_ALL_TESTS();
}
