/*******************************************************************************
* Copyright 2021 Intel Corporation
* Copyright 2021-2024 FUJITSU LIMITED
* Copyright 2025 Arm Ltd. and affiliates
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*******************************************************************************/

#ifndef CPU_AARCH64_JIT_SVE_1X1_CONVOLUTION_HPP
#define CPU_AARCH64_JIT_SVE_1X1_CONVOLUTION_HPP

#include "common/c_types_map.hpp"
#include "common/dnnl_thread.hpp"
#include "common/memory_tracking.hpp"
#include "common/primitive.hpp"
#include "common/primitive_hashing.hpp"
#include "common/utils.hpp"

#include "cpu/cpu_convolution_pd.hpp"
#include "cpu/dw_convolution_utils.hpp"
#include "cpu/platform.hpp"

#include "cpu/aarch64/cpu_reducer.hpp"
#include "cpu/aarch64/jit_sve_1x1_conv_kernel.hpp"
#include "cpu/aarch64/jit_uni_1x1_conv_utils.hpp"
#include "cpu/aarch64/jit_uni_dw_convolution.hpp"

namespace dnnl {
namespace impl {
namespace cpu {
namespace aarch64 {

template <impl::data_type_t src_type, impl::data_type_t wei_type = src_type,
        impl::data_type_t dst_type = src_type, cpu_isa_t isa_ = isa_undef>
struct jit_sve_1x1_convolution_fwd_t : public primitive_t {
    struct pd_t : public cpu_convolution_fwd_pd_t {
        using cpu_convolution_fwd_pd_t::cpu_convolution_fwd_pd_t;

        pd_t(const pd_t &other) : cpu_convolution_fwd_pd_t(other) {
            if (copy(other) != status::success) is_initialized_ = false;
        }

        DECLARE_COMMON_PD_T(JIT_IMPL_NAME_HELPER("jit_1x1:", isa_, ""),
                jit_sve_1x1_convolution_fwd_t);

        status_t init(engine_t *engine) {
            using namespace utils;
#if defined(DNNL_AARCH64_USE_ACL)
            if (attr()->fpmath_.mode_ == fpmath_mode::bf16) {
                // prefer ACL to jit for fpmath_mode::bf16 if available
                // since it supports lower precision calculation
                return status::unimplemented;
            }
#endif

            bool ok = true && is_fwd()
                    && set_default_alg_kind(alg_kind::convolution_direct)
                    && expect_data_types(src_type, wei_type, dst_type, dst_type,
                            data_type::undef)
                    && attr()->has_default_values(
                            primitive_attr_t::skip_mask_t::post_ops, dst_type)
                    && !has_zero_dim_memory() && set_default_formats()
                    && attr_.set_default_formats(dst_md(0)) == status::success;
            if (!ok) { return status::unimplemented; }

            const convolution_desc_t *conv_d = desc();
            const memory_desc_t *src_d = src_md();
            rtus_prepare(this, conv_d, src_d, dst_md());

            CHECK(jit_sve_1x1_conv_kernel_t<isa_>::init_conf(jcp_, *conv_d,
                    *src_d, *weights_md(), *dst_md(), *attr(),
                    dnnl_get_max_threads(), rtus_.reduce_src_));
            if (jcp_.with_dw_conv) CHECK(depthwise_po_init(engine));

            auto scratchpad = scratchpad_registry().registrar();
            jit_sve_1x1_conv_kernel_t<isa_>::init_scratchpad(scratchpad, jcp_);

            rtus_prepare_space_info(this, scratchpad, jcp_.nthr);

            return status::success;
        }

        const memory_desc_t *dst_md() const { return dst_md(0, false); }
        const memory_desc_t *dst_md(int index) const {
            return dst_md(index, false);
        }
        const memory_desc_t *dst_md(int index, bool user_input) const override {
            return jcp_.with_dw_conv
                    ? dw_conv_pd_->dst_md(index, user_input)
                    : cpu_convolution_fwd_pd_t::dst_md(index, user_input);
        }

        const memory_desc_t *arg_md(int arg) const {
            return arg_md(arg, false);
        }
        const memory_desc_t *arg_md(int arg, bool user_input) const override {
            if (jcp_.with_dw_conv) {
                switch (arg) {
                    case DNNL_ARG_ATTR_POST_OP_DW | DNNL_ARG_SRC:
                        return cpu_convolution_fwd_pd_t::dst_md(0, user_input);
                    case DNNL_ARG_ATTR_POST_OP_DW | DNNL_ARG_WEIGHTS:
                        return dw_conv_pd_->weights_md(0);
                    case DNNL_ARG_ATTR_POST_OP_DW | DNNL_ARG_BIAS:
                        return dw_conv_pd_->weights_md(1);
                    default: break;
                }
            }
            return convolution_fwd_pd_t::arg_md(arg, user_input);
        }

        arg_usage_t arg_usage(int arg) const override {
            if (arg == (DNNL_ARG_ATTR_POST_OP_DW | DNNL_ARG_WEIGHTS))
                return arg_usage_t::input;

            if (arg == (DNNL_ARG_ATTR_POST_OP_DW | DNNL_ARG_BIAS)
                    && attr_post_op_dw_inputs() > 1)
                return arg_usage_t::input;

            return convolution_fwd_pd_t::arg_usage(arg);
        }

        jit_1x1_conv_conf_t jcp_ = utils::zero<decltype(jcp_)>();
        reduce_to_unit_stride_t rtus_ = utils::zero<decltype(rtus_)>();
        using dw_pd_t = jit_sve_512_dw_convolution_fwd_t::pd_t;
        std::unique_ptr<dw_pd_t> dw_conv_pd_;

    protected:
        bool set_default_formats() {
            using namespace format_tag;

            const memory_desc_wrapper src_d(&src_md_);
            const memory_desc_wrapper dst_d(&dst_md_);

            const auto dat_tag_nxc = utils::pick(ndims() - 3, nwc, nhwc, ndhwc);
            format_tag_t dat_tag, wei_tag;

            switch (isa_) {
                case sve_512: {
                    const auto dat_tag_nCx16c = utils::pick(
                            ndims() - 3, nCw16c, nChw16c, nCdhw16c);
                    const auto curr_src_tag = src_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx16c);
                    const auto curr_dst_tag = dst_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx16c);
                    const auto is_data_layout_nxc
                            = IMPLICATION(curr_src_tag != dat_tag_nxc,
                                      src_d.format_kind() == format_kind::any)
                            && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                                    dst_d.format_kind() == format_kind::any)
                            && utils::one_of(
                                    dat_tag_nxc, curr_src_tag, curr_dst_tag);
                    dat_tag = is_data_layout_nxc ? dat_tag_nxc : dat_tag_nCx16c;
                    wei_tag = utils::pick(2 * ndims() - 6 + with_groups(),
                            OIw16i16o, gOIw16i16o, OIhw16i16o, gOIhw16i16o,
                            OIdhw16i16o, gOIdhw16i16o);
                    break;
                }
                case sve_256: {
                    const auto dat_tag_nCx8c
                            = utils::pick(ndims() - 3, nCw8c, nChw8c, nCdhw8c);
                    const auto curr_src_tag = src_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx8c);
                    const auto curr_dst_tag = dst_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx8c);
                    const auto is_data_layout_nxc
                            = IMPLICATION(curr_src_tag != dat_tag_nxc,
                                      src_d.format_kind() == format_kind::any)
                            && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                                    dst_d.format_kind() == format_kind::any)
                            && utils::one_of(
                                    dat_tag_nxc, curr_src_tag, curr_dst_tag);
                    dat_tag = is_data_layout_nxc ? dat_tag_nxc : dat_tag_nCx8c;
                    wei_tag = utils::pick(2 * ndims() - 6 + with_groups(),
                            OIw8i8o, gOIw8i8o, OIhw8i8o, gOIhw8i8o, OIdhw8i8o,
                            gOIdhw8i8o);
                    break;
                }
                case sve_128: {
                    const auto dat_tag_nCx4c
                            = utils::pick(ndims() - 3, nCw4c, nChw4c, nCdhw4c);
                    const auto curr_src_tag = src_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx4c);
                    const auto curr_dst_tag = dst_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx4c);
                    const auto is_data_layout_nxc
                            = IMPLICATION(curr_src_tag != dat_tag_nxc,
                                      src_d.format_kind() == format_kind::any)
                            && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                                    dst_d.format_kind() == format_kind::any)
                            && utils::one_of(
                                    dat_tag_nxc, curr_src_tag, curr_dst_tag);
                    dat_tag = is_data_layout_nxc ? dat_tag_nxc : dat_tag_nCx4c;
                    wei_tag = utils::pick(2 * ndims() - 6 + with_groups(),
                            OIw4i4o, gOIw4i4o, OIhw4i4o, gOIhw4i4o, OIdhw4i4o,
                            gOIdhw4i4o);
                    break;
                }
                default: return status::unimplemented;
            }
            return set_default_formats_common(dat_tag, wei_tag, dat_tag);
        }
        status_t copy(const pd_t &other) {
            jcp_ = other.jcp_;
            rtus_ = other.rtus_;
            if (other.dw_conv_pd_) {
                dw_conv_pd_.reset(other.dw_conv_pd_->clone());
                if (!dw_conv_pd_) return status::out_of_memory;
            }
            return status::success;
        }

        status_t depthwise_po_init(engine_t *engine) {

            using namespace memory_tracking;
            auto &jcp_1x1 = jcp_;
            primitive_attr_t attr_1x1(*attr());
            if (!attr_1x1.is_initialized()) return status::out_of_memory;
            const auto &src_md = dst_md_;
            const memory_desc_wrapper src_d(src_md);
            const auto nthr = dnnl_get_max_threads();
            auto l2_cache = platform::get_per_core_cache_size(2) * nthr;

            // Note: A robust fusion implementation would be to check if both
            // 1x1 conv and dw conv that are considered here for fusion are
            // optimal independently. This would require creating a new
            // primitive_desc through primitive_iterator & check if they match.
            // Due to concern that these creations and/or checks could be heavy,
            // for 1x1: Check that no better ISA is available.
            // for dw: Always fuse with same ISA.
            // Caveat: May be a better dw conv exists.

            // TODO: Add a check if better ISA exists following above note.
            bool ok = true
                    && (attr_1x1.post_ops_.find(primitive_kind::sum) == -1)
                    // TODO: Below may be further tuned.
                    && (l2_cache * 2 < src_d.size())
                    // load_grp_count check can be redundant due to l2 check
                    // above. Adding it explicitly as the current driver doesn't
                    // work if this condition fails.
                    && (jcp_1x1.load_grp_count < 2);
            if (!ok) return status::unimplemented;

            int dw_po_index
                    = attr_1x1.post_ops_.find(primitive_kind::convolution);
            convolution_desc_t cd_dw;
            primitive_attr_t attr_dw;
            CHECK(get_depthwise_conv_desc(
                    cd_dw, src_md, attr_1x1, attr_dw, dw_po_index));

            // The code below doesn't work because currently it requires `jcp_`
            // member which is not available from the common interface. In turn,
            // this means the common pd creation interface through an iterator
            // can't be used and a specific convolution implementation's pd is
            // required here. It restricts the usage of inherited
            // `convolution_pd_t` constructor.
            // ANCHOR: USING_INHERITED_IS_IMPOSSIBLE.
            //
            // ```cpp
            // primitive_desc_iterator_t it(
            //         engine, (op_desc_t *)&cd_dw, &attr_dw, nullptr);
            // if (!it.is_initialized()) return status::out_of_memory;
            // while (++it != it.end()) {
            //     dw_conv_pd_ = *it;
            //     break;
            // }
            // VDISPATCH_CONV_IC(dw_conv_pd_, "dw_conv_pd hasn't been created");
            // ```
            //
            // ```compiler output
            // error: ‘using element_type = struct dnnl::impl::primitive_desc_t’
            // {aka ‘struct dnnl::impl::primitive_desc_t’} has no member named
            // ‘jcp_’
            // auto &jcp_dw = dw_conv_pd_->jcp_;
            //                             ^~~~
            // ```
            //
            // TODO: figure out the way to initialize fused conv through a
            // normal interface without hacks accessing specific members.
            CHECK(safe_ptr_assign(
                    dw_conv_pd_, new dw_pd_t(&cd_dw, &attr_dw, nullptr)));
            CHECK(dw_conv_pd_->init(engine));
            auto &jcp_dw = dw_conv_pd_->jcp_;

            ok = true
                    && (dnnl_memory_desc_equal(&src_md, dw_conv_pd_->src_md(0)))
                    && (jcp_1x1.oc_without_padding % jcp_1x1.oc_block == 0)
                    && IMPLICATION(
                            jcp_dw.ow_block, jcp_dw.ow_block == jcp_dw.ow);
            if (!ok) return status::unimplemented;

            assert(dw_conv_pd_->dst_md(0)->format_kind != format_kind::any);
            assert(dw_conv_pd_->weights_md(0)->format_kind != format_kind::any);
            assert(IMPLICATION(
                    dw_conv_pd_->weights_md(1)->data_type != data_type::undef,
                    dw_conv_pd_->weights_md(1)->format_kind
                            != format_kind::any));

            jcp_dw.is_fused_conv = true;
            // TODO: Support/experiment arbitary oc_work in dw conv.
            // Until then we keep oc_work perfectly divisible.
            while (jcp_1x1.nb_load % jcp_1x1.nb_load_blocking != 0)
                --jcp_1x1.nb_load_blocking;
            jcp_1x1.nb_load_blocking_max = jcp_1x1.nb_load_blocking;

            while (jcp_1x1.nb_load_blocking % jcp_dw.nb_ch_blocking != 0)
                --jcp_dw.nb_ch_blocking;

            jcp_dw.dw_conv_buffer_oc
                    = jcp_1x1.nb_load_blocking * jcp_1x1.oc_block;

            const auto dat_tag_nxc = utils::pick(ndims() - 3, format_tag::nwc,
                    format_tag::nhwc, format_tag::ndhwc);
            const bool is_data_nxc = utils::everyone_is(
                    dat_tag_nxc, jcp_1x1.src_tag, jcp_1x1.dst_tag);
            if (!is_data_nxc)
                jcp_1x1.bcast_loop_output_step = jcp_1x1.ur * jcp_1x1.load_block
                        * jcp_1x1.typesize_out;

            registrar_t scratchpad(scratchpad_registry_);
            registrar_t dw_scratchpad(scratchpad, names::prefix_fusion);

            size_t dw_conv_buffer_size_ = (size_t)nthr * jcp_dw.kh * jcp_dw.iw
                    * jcp_dw.dw_conv_buffer_oc;
            assert(dw_conv_buffer_size_);
            dw_scratchpad.book(memory_tracking::names::key_fusion_inout_buffer,
                    dw_conv_buffer_size_,
                    types::data_type_size(dw_conv_pd_->src_md()->data_type));

            jit_uni_dw_conv_fwd_kernel_t<isa_, data_type::f32>::init_scratchpad(
                    dw_scratchpad, jcp_dw);

            return status::success;
        }
    };

    template <cpu_isa_t isa, typename conv_t>
    friend status_t init_rtus_driver(conv_t *self);

    jit_sve_1x1_convolution_fwd_t(const pd_t *apd) : primitive_t(apd) {}

    using src_data_t = typename prec_traits_t<src_type>::type;
    using wei_data_t = typename prec_traits_t<wei_type>::type;
    using dst_data_t = typename prec_traits_t<dst_type>::type;

    status_t init(engine_t *engine) override {
        CHECK(safe_ptr_assign(kernel_,
                new jit_sve_1x1_conv_kernel_t<isa_>(
                        pd()->jcp_, *pd()->attr(), *pd()->dst_md(0))));
        CHECK(kernel_->create_kernel());

        if (pd()->jcp_.with_dw_conv) {
            CHECK(safe_ptr_assign(
                    kernel_dw_, new dw_conv_kernel_t(pd()->dw_conv_pd_->jcp_)));
            CHECK(kernel_dw_->create_kernel());
        }
        CHECK(init_rtus_driver<isa_>(this));
        return status::success;
    }

    status_t execute(const exec_ctx_t &ctx) const override {
        execute_forward(ctx);
        return status::success;
    }

private:
    void execute_forward(const exec_ctx_t &ctx) const;
    void execute_forward_thr(const int ithr, const int nthr,
            const src_data_t *src, const wei_data_t *weights,
            const dst_data_t *bias, const wei_data_t *weights_dw,
            const dst_data_t *bias_dw, dst_data_t *dst,
            const memory_tracking::grantor_t &scratchpad,
            const void *post_ops_binary_rhs_arg_vec,
            const void *post_ops_binary_rhs_arg_vec_dw) const;
    const pd_t *pd() const { return (const pd_t *)primitive_t::pd().get(); }

    std::unique_ptr<jit_sve_1x1_conv_kernel_t<isa_>> kernel_;
    std::unique_ptr<rtus_driver_t<isa_>> rtus_driver_;
    using dw_conv_kernel_t = jit_uni_dw_conv_fwd_kernel_f32_t<isa_>;
    std::unique_ptr<dw_conv_kernel_t> kernel_dw_;
};

using jit_sve_128_1x1_convolution_fwd_f32_t
        = jit_sve_1x1_convolution_fwd_t<data_type::f32, data_type::f32,
                data_type::f32, sve_128>;
using jit_sve_256_1x1_convolution_fwd_f32_t
        = jit_sve_1x1_convolution_fwd_t<data_type::f32, data_type::f32,
                data_type::f32, sve_256>;
using jit_sve_512_1x1_convolution_fwd_f32_t
        = jit_sve_1x1_convolution_fwd_t<data_type::f32, data_type::f32,
                data_type::f32, sve_512>;

template <impl::data_type_t diff_dst_type,
        impl::data_type_t wei_type = diff_dst_type,
        impl::data_type_t diff_src_type = diff_dst_type,
        cpu_isa_t isa_ = isa_undef>
struct jit_sve_1x1_convolution_bwd_data_t : public primitive_t {
    struct pd_t : public cpu_convolution_bwd_data_pd_t {
        using cpu_convolution_bwd_data_pd_t::cpu_convolution_bwd_data_pd_t;

        DECLARE_COMMON_PD_T(JIT_IMPL_NAME_HELPER("jit_1x1:", isa_, ""),
                jit_sve_1x1_convolution_bwd_data_t);

        status_t init(engine_t *engine) {
            bool ok = true && desc()->prop_kind == prop_kind::backward_data
                    && set_default_alg_kind(alg_kind::convolution_direct)
                    && expect_data_types(diff_src_type, wei_type,
                            data_type::undef, diff_dst_type, data_type::undef)
                    && attr()->has_default_values() && !has_zero_dim_memory()
                    && set_default_formats();
            if (!ok) return status::unimplemented;

            const convolution_desc_t *conv_d = desc();
            const memory_desc_t *diff_src_d = diff_src_md();
            rtus_prepare(this, conv_d, diff_src_d, diff_dst_md());

            status_t status = jit_sve_1x1_conv_kernel_t<isa_>::init_conf(jcp_,
                    *conv_d, *diff_src_d, *weights_md(), *diff_dst_md(),
                    *attr(), dnnl_get_max_threads(), rtus_.reduce_src_);
            if (status != status::success) return status;

            auto scratchpad = scratchpad_registry().registrar();
            jit_sve_1x1_conv_kernel_t<isa_>::init_scratchpad(scratchpad, jcp_);

            rtus_prepare_space_info(this, scratchpad, jcp_.nthr);

            return status::success;
        }

        // TODO (Roma): structs conf header cleanup
        jit_1x1_conv_conf_t jcp_ = utils::zero<decltype(jcp_)>();
        reduce_to_unit_stride_t rtus_ = utils::zero<decltype(rtus_)>();

    protected:
        bool set_default_formats() {
            using namespace format_tag;

            const memory_desc_wrapper diff_src_d(&diff_src_md_);
            const memory_desc_wrapper diff_dst_d(&diff_dst_md_);

            const auto dat_tag_nxc = utils::pick(ndims() - 3, nwc, nhwc, ndhwc);
            format_tag_t dat_tag, wei_tag;

            switch (isa_) {
                case sve_512: {
                    const auto dat_tag_nCx16c = utils::pick(
                            ndims() - 3, nCw16c, nChw16c, nCdhw16c);
                    const auto curr_src_tag = diff_src_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx16c);
                    const auto curr_dst_tag = diff_dst_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx16c);
                    const auto is_data_layout_nxc
                            = IMPLICATION(curr_src_tag != dat_tag_nxc,
                                      diff_src_d.format_kind()
                                              == format_kind::any)
                            && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                                    diff_dst_d.format_kind()
                                            == format_kind::any)
                            && utils::one_of(
                                    dat_tag_nxc, curr_src_tag, curr_dst_tag);
                    dat_tag = is_data_layout_nxc ? dat_tag_nxc : dat_tag_nCx16c;
                    wei_tag = utils::pick(2 * ndims() - 6 + with_groups(),
                            IOw16o16i, gIOw16o16i, IOhw16o16i, gIOhw16o16i,
                            IOdhw16o16i, gIOdhw16o16i);
                    break;
                }
                case sve_256: {
                    const auto dat_tag_nCx8c
                            = utils::pick(ndims() - 3, nCw8c, nChw8c, nCdhw8c);
                    const auto curr_src_tag = diff_src_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx8c);
                    const auto curr_dst_tag = diff_dst_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx8c);
                    const auto is_data_layout_nxc
                            = IMPLICATION(curr_src_tag != dat_tag_nxc,
                                      diff_src_d.format_kind()
                                              == format_kind::any)
                            && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                                    diff_dst_d.format_kind()
                                            == format_kind::any)
                            && utils::one_of(
                                    dat_tag_nxc, curr_src_tag, curr_dst_tag);
                    dat_tag = is_data_layout_nxc ? dat_tag_nxc : dat_tag_nCx8c;
                    wei_tag = utils::pick(2 * ndims() - 6 + with_groups(),
                            IOw8o8i, gIOw8o8i, IOhw8o8i, gIOhw8o8i, IOdhw8o8i,
                            gIOdhw8o8i);
                    break;
                }
                default: break;
            }
            return set_default_formats_common(dat_tag, wei_tag, dat_tag);
        }
    };

    template <cpu_isa_t isa, typename conv_t>
    friend status_t init_rtus_driver(conv_t *self);

    jit_sve_1x1_convolution_bwd_data_t(const pd_t *apd) : primitive_t(apd) {}

    using diff_dst_data_t = typename prec_traits_t<diff_dst_type>::type;
    using wei_data_t = typename prec_traits_t<wei_type>::type;
    using diff_src_data_t = typename prec_traits_t<diff_src_type>::type;

    status_t init(engine_t *engine) override {
        CHECK(safe_ptr_assign(kernel_,
                new jit_sve_1x1_conv_kernel_t<isa_>(
                        pd()->jcp_, *pd()->attr(), *pd()->dst_md(0))));
        CHECK(kernel_->create_kernel());
        CHECK(init_rtus_driver<isa_>(this));
        return status::success;
    }

    status_t execute(const exec_ctx_t &ctx) const override {
        execute_backward_data(ctx);
        return status::success;
    }

private:
    void execute_backward_data(const exec_ctx_t &ctx) const;
    const pd_t *pd() const { return (const pd_t *)primitive_t::pd().get(); }
    std::unique_ptr<jit_sve_1x1_conv_kernel_t<isa_>> kernel_;
    std::unique_ptr<rtus_driver_t<isa_>> rtus_driver_;
};
using jit_sve_256_1x1_convolution_bwd_data_f32_t
        = jit_sve_1x1_convolution_bwd_data_t<data_type::f32, data_type::f32,
                data_type::f32, sve_256>;

using jit_sve_512_1x1_convolution_bwd_data_f32_t
        = jit_sve_1x1_convolution_bwd_data_t<data_type::f32, data_type::f32,
                data_type::f32, sve_512>;

/* Backward weight */
template <impl::data_type_t diff_dst_type,
        impl::data_type_t wei_type = diff_dst_type,
        impl::data_type_t diff_src_type = diff_dst_type,
        cpu_isa_t isa_ = isa_undef>
struct jit_sve_1x1_convolution_bwd_weights_t : public primitive_t {
    struct pd_t : public cpu_convolution_bwd_weights_pd_t {
        using cpu_convolution_bwd_weights_pd_t::
                cpu_convolution_bwd_weights_pd_t;

        DECLARE_COMMON_PD_T(JIT_IMPL_NAME_HELPER("jit_1x1:", isa_, ""),
                jit_sve_1x1_convolution_bwd_weights_t);

        status_t init(engine_t *engine) {
            bool ok = true && desc()->prop_kind == prop_kind::backward_weights
                    && set_default_alg_kind(alg_kind::convolution_direct)
                    && expect_data_types(data_type::f32, data_type::f32,
                            data_type::f32, data_type::f32, data_type::f32)
                    && attr()->has_default_values() && !has_zero_dim_memory()
                    && set_default_formats();
            if (!ok) { return status::unimplemented; }

            const convolution_desc_t *conv_d = desc();
            const memory_desc_t *src_d = src_md();
            rtus_prepare(this, conv_d, src_d, diff_dst_md());

            status_t status = jit_sve_1x1_conv_kernel_t<isa_>::init_conf(jcp_,
                    *conv_d, *src_d, *diff_weights_md(), *diff_dst_md(),
                    *attr(), dnnl_get_max_threads(), rtus_.reduce_src_);
            if (status != status::success) return status;

            init_balancers();

            auto scratchpad = scratchpad_registry().registrar();
            jit_sve_1x1_conv_kernel_t<isa_>::init_scratchpad(scratchpad, jcp_);

            auto reducer_bia_scratchpad = memory_tracking::registrar_t(
                    scratchpad, memory_tracking::names::prefix_reducer_bia);
            reducer_bia_conf_.init_scratchpad(reducer_bia_scratchpad);
            rtus_prepare_space_info(this, scratchpad, jcp_.nthr);

            return status::success;
        }

        // TODO (Roma): structs conf header cleanup
        jit_1x1_conv_conf_t jcp_ = utils::zero<decltype(jcp_)>();
        typename cpu_reducer_t<data_type::f32, isa_>::conf_t reducer_bia_conf_;
        reduce_to_unit_stride_t rtus_ = utils::zero<decltype(rtus_)>();

    protected:
        bool set_default_formats() {
            using namespace format_tag;

            const memory_desc_wrapper src_d(&src_md_);
            const memory_desc_wrapper diff_dst_d(&diff_dst_md_);

            const auto dat_tag_nxc = utils::pick(ndims() - 3, nwc, nhwc, ndhwc);

            format_tag_t dat_tag, wei_tag;

            switch (isa_) {
                case sve_512: {
                    auto dat_tag_nCx16c = utils::pick(
                            ndims() - 3, nCw16c, nChw16c, nCdhw16c);
                    const auto curr_src_tag = src_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx16c);
                    const auto curr_dst_tag = diff_dst_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx16c);
                    const auto is_data_layout_nxc
                            = IMPLICATION(curr_src_tag != dat_tag_nxc,
                                      src_d.format_kind() == format_kind::any)
                            && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                                    diff_dst_d.format_kind()
                                            == format_kind::any)
                            && utils::one_of(
                                    dat_tag_nxc, curr_src_tag, curr_dst_tag);

                    dat_tag = is_data_layout_nxc ? dat_tag_nxc : dat_tag_nCx16c;
                    wei_tag = utils::pick(2 * ndims() - 6 + with_groups(),
                            OIw16i16o, gOIw16i16o, OIhw16i16o, gOIhw16i16o,
                            OIdhw16i16o, gOIdhw16i16o);
                    break;
                }
                case sve_256: {
                    const auto dat_tag_nCx8c
                            = utils::pick(ndims() - 3, nCw8c, nChw8c, nCdhw8c);
                    const auto curr_src_tag = src_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx8c);
                    const auto curr_dst_tag = diff_dst_d.matches_one_of_tag(
                            dat_tag_nxc, dat_tag_nCx8c);
                    const auto is_data_layout_nxc
                            = IMPLICATION(curr_src_tag != dat_tag_nxc,
                                      src_d.format_kind() == format_kind::any)
                            && IMPLICATION(curr_dst_tag != dat_tag_nxc,
                                    diff_dst_d.format_kind()
                                            == format_kind::any)
                            && utils::one_of(
                                    dat_tag_nxc, curr_src_tag, curr_dst_tag);

                    dat_tag = is_data_layout_nxc ? dat_tag_nxc : dat_tag_nCx8c;
                    wei_tag = utils::pick(2 * ndims() - 6 + with_groups(),
                            OIw8i8o, gOIw8i8o, OIhw8i8o, gOIhw8i8o, OIdhw8i8o,
                            gOIdhw8i8o);
                    break;
                }
                default: break;
            }
            return set_default_formats_common(dat_tag, wei_tag, dat_tag);
        }

    private:
        void init_balancers() {
            const size_t max_buffer_size = jcp_.nthr * 3 * 5 * 5 * 16 * 16;
            if (with_bias()) {
                reducer_bia_conf_.init(reduce_balancer_t(jcp_.nthr,
                        jcp_.oc_block, jcp_.ngroups * jcp_.nb_load, jcp_.mb,
                        max_buffer_size, true));
            }
        }
    };

    template <cpu_isa_t isa, typename conv_t>
    friend status_t init_rtus_driver(conv_t *self);

    jit_sve_1x1_convolution_bwd_weights_t(const pd_t *apd) : primitive_t(apd) {}

    using data_t = typename prec_traits_t<data_type::f32>::type;

    status_t init(engine_t *engine) override;

    status_t execute(const exec_ctx_t &ctx) const override {
        execute_backward_weights(ctx);
        return status::success;
    }

private:
    void execute_backward_weights(const exec_ctx_t &ctx) const;
    const pd_t *pd() const { return (const pd_t *)primitive_t::pd().get(); }

    std::unique_ptr<jit_sve_1x1_conv_kernel_t<isa_>> kernel_;
    std::unique_ptr<cpu_accumulator_1d_t<data_type::f32, isa_>> acc_ker_;
    std::unique_ptr<cpu_reducer_t<data_type::f32, isa_>> reducer_bias_;
    // std::unique_ptr<jit_transpose4x16_src> trans_kernel_;
    std::unique_ptr<rtus_driver_t<isa_>> rtus_driver_;
};

using jit_sve_256_1x1_convolution_bwd_weights_t
        = jit_sve_1x1_convolution_bwd_weights_t<data_type::f32, data_type::f32,
                data_type::f32, sve_256>;

using jit_sve_512_1x1_convolution_bwd_weights_t
        = jit_sve_1x1_convolution_bwd_weights_t<data_type::f32, data_type::f32,
                data_type::f32, sve_512>;

} // namespace aarch64
} // namespace cpu
} // namespace impl
} // namespace dnnl

#endif
