text: /*******************************************************************************
  * Copyright 2016-2018 Intel Corporation
  *
  * 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_GEMM_INNER_PRODUCT_HPP
  #define CPU_GEMM_INNER_PRODUCT_HPP
  
  #include <assert.h>
  
  #include "c_types_map.hpp"
  #include "cpu_inner_product_pd.hpp"
  #include "cpu_engine.hpp"
  #include "type_helpers.hpp"
  #include "utils.hpp"
  #include "gemm/gemm.hpp"
  
  namespace mkldnn {
  namespace impl {
  namespace cpu {
  
  template <impl::data_type_t data_type>
  struct gemm_inner_product_fwd_t: public cpu_primitive_t {
      struct pd_t: public cpu_inner_product_fwd_pd_t {
          pd_t(engine_t *engine, const inner_product_desc_t *adesc,
                  const primitive_attr_t *attr,
                  const inner_product_fwd_pd_t *hint_fwd_pd)
              : cpu_inner_product_fwd_pd_t(engine, adesc, attr, hint_fwd_pd) {}
  
          DECLARE_COMMON_PD_T(GEMM_IMPL_STR, gemm_inner_product_fwd_t);
  
          virtual status_t init() override {
              using namespace utils;
              assert(engine()->kind() == engine_kind::cpu);
  
              bool ok = true
                  && this->set_default_params() == status::success
                  && one_of(desc()->prop_kind, prop_kind::forward_training,
                          prop_kind::forward_inference)
                  && !has_zero_dim_memory()
                  && everyone_is(data_type, desc()->src_desc.data_type,
                          desc()->weights_desc.data_type,
                          desc()->dst_desc.data_type)
                  && implication(this->with_bias(),
                          data_type == desc()->bias_desc.data_type)
                  && attr()->output_scales_.has_default_values()
                  && attr()->post_ops_.len_ <= 1
                  && utils::implication(attr()->post_ops_.len_ == 1,
                          attr()->post_ops_.entry_[0].is_relu(true, false))
                  && dense_gemm_consitency_check(src_pd(), weights_pd(),
                          dst_pd());
              return ok ? status::success : status::unimplemented;
          }
      };
  
      gemm_inner_product_fwd_t(const pd_t *pd, const input_vector &inputs,
              const output_vector &outputs)
          : cpu_primitive_t(&conf_, inputs, outputs), conf_(*pd) {}
      typedef typename prec_traits<data_type>::type data_t;
  
      virtual void execute(event_t *e) {
          execute_forward();
          e->set_state(event_t::ready);
      }
  
  private:
      void execute_forward();
      pd_t conf_;
  };
  
  template <impl::data_type_t data_type>
  struct gemm_inner_product_bwd_data_t: public cpu_primitive_t {
      struct pd_t: public cpu_inner_product_bwd_data_pd_t {
          pd_t(engine_t *engine, const inner_product_desc_t *adesc,
                  const primitive_attr_t *attr,
                  const inner_product_fwd_pd_t *hint_fwd_pd)
              : cpu_inner_product_bwd_data_pd_t(engine, adesc, attr,
                      hint_fwd_pd) {}
  
          DECLARE_COMMON_PD_T(GEMM_IMPL_STR, gemm_inner_product_bwd_data_t);
  
          virtual status_t init() override {
              using namespace utils;
              assert(engine()->kind() == engine_kind::cpu);
  
              bool ok = true
                  && this->set_default_params() == status::success
                  && desc()->prop_kind == prop_kind::backward_data
                  && !has_zero_dim_memory()
                  && everyone_is(data_type, desc()->diff_src_desc.data_type,
                          desc()->weights_desc.data_type,
                          desc()->diff_dst_desc.data_type)
                  && attr()->has_default_values()
                  && dense_gemm_consitency_check(diff_src_pd(), weights_pd(),
                          diff_dst_pd());
              return ok ? status::success : status::unimplemented;
          }
      };
  
      gemm_inner_product_bwd_data_t(const pd_t *pd, const input_vector &inputs,
              const output_vector &outputs)
          : cpu_primitive_t(&conf_, inputs, outputs), conf_(*pd) {}
      typedef typename prec_traits<data_type>::type data_t;
  
      virtual void execute(event_t *e) {
          execute_backward_data();
          e->set_state(event_t::ready);
      }
  
  private:
      void execute_backward_data();
      pd_t conf_;
  };
  
  template <impl::data_type_t data_type>
  struct gemm_inner_product_bwd_weights_t: public cpu_primitive_t {
      struct pd_t: public cpu_inner_product_bwd_weights_pd_t {
          pd_t(engine_t *engine, const inner_product_desc_t *adesc,
                  const primitive_attr_t *attr,
                  const inner_product_fwd_pd_t *hint_fwd_pd)
              : cpu_inner_product_bwd_weights_pd_t(engine, adesc, attr,
                      hint_fwd_pd) {}
  
          DECLARE_COMMON_PD_T(GEMM_IMPL_STR, gemm_inner_product_bwd_weights_t);
  
          virtual status_t init() override {
              using namespace utils;
              assert(engine()->kind() == engine_kind::cpu);
              bool ok = true
                  && this->set_default_params() == status::success
                  && desc()->prop_kind == prop_kind::backward_weights
                  && !has_zero_dim_memory()
                  && everyone_is(data_type, desc()->src_desc.data_type,
                          desc()->diff_weights_desc.data_type,
                          desc()->diff_dst_desc.data_type)
                  && attr()->has_default_values()
                  && dense_gemm_consitency_check(src_pd(), diff_weights_pd(),
                          diff_dst_pd());
  
              return ok ? status::success : status::unimplemented;
          }
      };
  
      gemm_inner_product_bwd_weights_t(const pd_t *pd, const input_vector &inputs,
              const output_vector &outputs)
          : cpu_primitive_t(&conf_, inputs, outputs), conf_(*pd) {}
      typedef typename prec_traits<data_type>::type data_t;
  
      virtual void execute(event_t *e) {
          execute_backward_weights();
          e->set_state(event_t::ready);
      }
  
  private:
      void execute_backward_weights();
      pd_t conf_;
  };
  
  }
  }
  }
  
  #endif
  
  // vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
  
  