text: /*******************************************************************************
  * Copyright 2017-2018 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_JIT_AVX512_CORE_FP32_WINO_CONV_4x3_HPP
  #define CPU_JIT_AVX512_CORE_FP32_WINO_CONV_4x3_HPP
  
  #include "c_types_map.hpp"
  #include "memory_tracking.hpp"
  #include "cpu_convolution_pd.hpp"
  #include "cpu_engine.hpp"
  
  #include "jit_avx512_core_fp32_wino_conv_4x3_kernel.hpp"
  
  namespace mkldnn {
  namespace impl {
  namespace cpu {
  
  namespace winograd_avx512_core {
  inline void init_scratchpad(memory_tracking::registrar_t &scratchpad,
          const jit_conv_winograd_conf_t &jcp) {
      using namespace utils;
      using namespace memory_tracking::names;
  
      size_t U_sz = (size_t)alpha * alpha * jcp.ic * jcp.oc;
      size_t V_sz = (size_t)alpha * alpha * jcp.mb * jcp.ic * jcp.itiles
          * jcp.jtiles;
      size_t M_sz = (size_t)alpha * alpha * jcp.mb * jcp.oc * jcp.itiles
          * jcp.jtiles;
  
      switch (jcp.sched_policy) {
      case WSCHED_DATA_W_SGD:
          V_sz = (size_t)jcp.nthr * alpha * alpha * jcp.nb_tile_block_ur
              * jcp.tile_block_ur * jcp.ic;
          M_sz = (size_t)jcp.nthr * alpha * alpha * jcp.nb_tile_block_ur
              * jcp.tile_block_ur * jcp.oc;
          break;
      case WSCHED_WEI_SDGtWo:
          U_sz = (size_t)jcp.nthr * (alpha * alpha * jcp.oc
                  * (jcp.ic / jcp.nb_ic) + jcp.ic * jcp.oc * jcp.kh * jcp.kw);
          M_sz = (size_t)jcp.nthr * alpha * alpha * (jcp.ntiles / jcp.tile_block)
              * (jcp.oc / jcp.nb_oc);
          V_sz = (size_t)jcp.nthr * alpha * alpha * (jcp.ntiles / jcp.tile_block)
              * (jcp.ic / jcp.nb_ic);
          break;
      case WSCHED_WEI_S_D_Giot_W:
          U_sz = (size_t)(jcp.nthr + 1) * alpha * alpha * jcp.ic * jcp.oc;
          M_sz = (size_t)alpha * alpha * jcp.oc * jcp.ntiles;
          V_sz = (size_t)alpha * alpha * jcp.ic * jcp.ntiles;
          break;
      default: break;
      }
  
      scratchpad.book(key_wino_U, sizeof(float) * U_sz, PAGE_2M);
      scratchpad.book(key_wino_V, sizeof(float) * V_sz, PAGE_2M);
      scratchpad.book(key_wino_M, sizeof(float) * M_sz, PAGE_2M);
  
      if (one_of(jcp.sched_policy, WSCHED_WEI_SDGtWo, WSCHED_WEI_S_D_Giot_W)) {
          size_t br_sz = (size_t)jcp.nthr * jcp.oc;
          scratchpad.book(key_conv_bia_reduction, sizeof(float) * br_sz, PAGE_2M);
      }
  }
  }
  
  template <bool is_fwd>
  struct _jit_avx512_core_fp32_wino_conv_4x3_t {
  
      _jit_avx512_core_fp32_wino_conv_4x3_t(
              const jit_conv_winograd_conf_t &jcp, const primitive_attr_t *attr)
          : kernel_(nullptr), attr_(attr) {
              kernel_ =  new _jit_avx512_core_fp32_wino_conv_4x3_data_kernel(jcp);
          }
  
      ~_jit_avx512_core_fp32_wino_conv_4x3_t() { delete kernel_; }
  
      protected:
          void weight_transform_data(const jit_conv_winograd_conf_t &jcp,
              float *wp, float *twp) const;
          void input_transform_data(int image,
              const jit_conv_winograd_conf_t &jcp,
              float *inp, float *tinp) const;
          void input_transform_tileblock_data(int tile_block,
              const jit_conv_winograd_conf_t &jcp,
              float *inp, float *tinp) const;
          void output_transform_data(int image,
              const jit_conv_winograd_conf_t &jcp,
              const post_ops_t &p_ops, float *toutp, float *pout_b,
              float *bias) const;
          void output_transform_tileblock_data(int tile_block,
              const jit_conv_winograd_conf_t &jcp, const post_ops_t &p_ops,
              float *toutp, float *outp, float *bias) const;
          void _execute_data_W_S_G_D(const int MB, float *inp_ptr, float *out_ptr,
                  float *wei_ptr, float *bias_ptr,
                  const memory_tracking::grantor_t &scratchpad) const;
          void _execute_data_W_SGD(const int MB, float *inp_ptr, float *out_ptr,
                  float *wei_ptr, float *bias_ptr,
                  const memory_tracking::grantor_t &scratchpad) const;
          _jit_avx512_core_fp32_wino_conv_4x3_data_kernel *kernel_;
          const primitive_attr_t *attr_;
  };
  
  struct jit_avx512_core_fp32_wino_conv_4x3_fwd_t
       : _jit_avx512_core_fp32_wino_conv_4x3_t<true>
       , public cpu_primitive_t
      {
      struct pd_t : public cpu_convolution_fwd_pd_t {
          pd_t(engine_t *engine, const convolution_desc_t *adesc,
                  const primitive_attr_t *attr,
                  const typename pd_t::base_class *hint_fwd_pd)
              : cpu_convolution_fwd_pd_t(engine, adesc, attr, hint_fwd_pd)
              , jcp_() {}
  
          DECLARE_COMMON_PD_T(
                  JIT_IMPL_NAME_HELPER("jit_wino_4x3:", avx512_core, ""),
                  jit_avx512_core_fp32_wino_conv_4x3_fwd_t);
  
          virtual status_t init() override
          {
              using namespace prop_kind;
              assert(this->engine()->kind() == engine_kind::cpu);
              bool ok = true && this->set_default_params() == status::success
                      && utils::one_of(this->desc()->prop_kind, forward_training,
                                 forward_inference)
                      && utils::one_of(this->desc()->alg_kind,
                                 alg_kind::convolution_auto,
                                 alg_kind::convolution_winograd)
                      && utils::everyone_is(data_type::f32,
                                 this->desc()->src_desc.data_type,
                                 this->desc()->weights_desc.data_type,
                                 this->desc()->dst_desc.data_type)
                      && IMPLICATION(this->with_bias(), data_type::f32
                                         == this->desc()->bias_desc.data_type)
                      && !this->attr()->has_asymmetric_quantization();
              if (!ok)
                  return status::unimplemented;
  
              status_t status =
                  jit_avx512_core_fp32_wino_conv_4x3_fwd_kernel::init_conf(jcp_,
                          *this->desc(), this->src_pd_, this->weights_pd_,
                          this->dst_pd_, *this->attr());
              if (status != status::success) return status;
  
              auto scratchpad = this->scratchpad_registry().registrar();
              winograd_avx512_core::init_scratchpad(scratchpad, jcp_);
              if (status == status::success
                      && this->desc()->alg_kind == alg_kind::convolution_auto)
                  CHECK(this->set_alg_kind(alg_kind::convolution_winograd));
  
              return status;
          }
  
          jit_conv_winograd_conf_t jcp_;
  
      protected:
          virtual status_t set_default_params() override
          {
              using namespace memory_format;
              if (this->src_pd_.desc()->format == any)
                  CHECK(this->src_pd_.set_format(nChw16c));
              if (this->dst_pd_.desc()->format == any)
                  CHECK(this->dst_pd_.set_format(nChw16c));
              if (this->weights_pd_.desc()->format == any
                      && (this->desc()->prop_kind != mkldnn_forward_inference))
                  CHECK(this->weights_pd_.set_format(
                          this->with_groups() ? gOIhw16i16o : OIhw16i16o));
              if (this->bias_pd_.desc()->format == any)
                  CHECK(this->bias_pd_.set_format(x));
              return status::success;
          }
      };
  
      jit_avx512_core_fp32_wino_conv_4x3_fwd_t(const pd_t *apd,
              const input_vector &inputs, const output_vector &outputs)
          : _jit_avx512_core_fp32_wino_conv_4x3_t<true>(apd->jcp_, apd->attr())
          , cpu_primitive_t(apd, inputs, outputs, true)
           {}
  
      ~jit_avx512_core_fp32_wino_conv_4x3_fwd_t(){};
  
      typedef typename prec_traits<data_type::f32>::type data_t;
  
      virtual void execute(event_t *e) const
      {
          float *src = (float *)this->input_memory(0);
          float *dst = (float *)this->memory();
          float *weights = (float *)this->input_memory(1);
          float *bias = (float *)this->input_memory(2);
          auto scratchpad = this->scratchpad();
  
          switch ((pd()->jcp_).sched_policy) {
          case WSCHED_DATA_W_S_G_D:
              this->_execute_data_W_S_G_D(pd()->MB(), src, dst, weights, bias, scratchpad);
              break;
          case WSCHED_DATA_W_SGD:
              this->_execute_data_W_SGD(pd()->MB(), src, dst, weights, bias, scratchpad);
              break;
          default:
              break;
          }
          e->set_state(event_t::ready);
      }
  
  private:
      const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
  };
  
  struct jit_avx512_core_fp32_wino_conv_4x3_bwd_data_t
          : _jit_avx512_core_fp32_wino_conv_4x3_t<false>,
          public cpu_primitive_t {
      struct pd_t : public cpu_convolution_bwd_data_pd_t {
          pd_t(engine_t *engine, const convolution_desc_t *adesc,
                  const primitive_attr_t *attr,
                  const convolution_fwd_pd_t *hint_fwd_pd)
              : cpu_convolution_bwd_data_pd_t(engine, adesc, attr, hint_fwd_pd)
              , jcp_() {}
  
          DECLARE_COMMON_PD_T(
                  JIT_IMPL_NAME_HELPER("jit_wino_4x3:", avx512_core, ""),
                  jit_avx512_core_fp32_wino_conv_4x3_bwd_data_t);
  
          virtual status_t init() override
          {
              using namespace prop_kind;
              assert(this->engine()->kind() == engine_kind::cpu);
              bool ok = true && this->set_default_params() == status::success
                      && utils::one_of(this->desc()->prop_kind, backward_data)
                      && utils::one_of(this->desc()->alg_kind,
                                 alg_kind::convolution_auto,
                                 alg_kind::convolution_winograd)
                      && utils::everyone_is(data_type::f32,
                                 this->desc()->diff_src_desc.data_type,
                                 this->desc()->weights_desc.data_type,
                                 this->desc()->diff_dst_desc.data_type)
                      && mkldnn_thr_syncable();
              if (!ok)
                  return status::unimplemented;
  
              status_t status =
                  jit_avx512_core_fp32_wino_conv_4x3_bwd_data_kernel::init_conf(
                          jcp_, *this->desc(), *this->diff_src_pd_.desc(),
                          *this->weights_pd_.desc(), *this->diff_dst_pd_.desc());
              if (status != status::success) return status;
  
              auto scratchpad = this->scratchpad_registry().registrar();
              winograd_avx512_core::init_scratchpad(scratchpad, jcp_);
  
              if (status == status::success
                      && this->desc()->alg_kind == alg_kind::convolution_auto)
                  CHECK(this->set_alg_kind(alg_kind::convolution_winograd));
  
              return status;
          }
  
          jit_conv_winograd_conf_t jcp_;
  
      protected:
          virtual status_t set_default_params() override
          {
              using namespace memory_format;
  
              if (this->diff_src_pd_.desc()->format == any)
                  CHECK(this->diff_src_pd_.set_format(nChw16c));
              if (this->diff_dst_pd_.desc()->format == any)
                  CHECK(this->diff_dst_pd_.set_format(nChw16c));
              if (this->weights_pd_.desc()->format == any)
                  CHECK(this->weights_pd_.set_format(
                          this->with_groups() ? gOIhw16i16o : OIhw16i16o));
              return status::success;
          }
      };
  
      jit_avx512_core_fp32_wino_conv_4x3_bwd_data_t(const pd_t *apd,
              const input_vector &inputs, const output_vector &outputs)
          : _jit_avx512_core_fp32_wino_conv_4x3_t<false>(apd->jcp_, apd->attr())
          , cpu_primitive_t(apd, inputs, outputs, true)
           {}
  
      ~jit_avx512_core_fp32_wino_conv_4x3_bwd_data_t(){};
  
      typedef typename prec_traits<data_type::f32>::type data_t;
  
      virtual void execute(event_t *e) const
      {
          float *diff_dst = (float *)this->input_memory(0);
          float *diff_src = (float *)this->memory();
          float *weights = (float *)this->input_memory(1);
          auto scratchpad = this->scratchpad();
  
          if (pd()->desc()->prop_kind == prop_kind::backward_data) {
              switch ((pd()->jcp_).sched_policy) {
              case WSCHED_DATA_W_S_G_D:
                  this->_execute_data_W_S_G_D(pd()->MB(), diff_dst, diff_src, weights, NULL,
                          scratchpad);
                  break;
  
              case WSCHED_DATA_W_SGD:
                  this->_execute_data_W_SGD(pd()->MB(), diff_dst, diff_src, weights, NULL,
                          scratchpad);
                  break;
  
              default:
                  break;
              }
          } else {
              assert(!"invalid prop_kind");
          }
  
          e->set_state(event_t::ready);
      }
  
  private:
      const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
  };
  
  struct jit_avx512_core_fp32_wino_conv_4x3_bwd_weights_t
          : public cpu_primitive_t {
      struct pd_t : public cpu_convolution_bwd_weights_pd_t {
          pd_t(engine_t *engine, const convolution_desc_t *adesc,
                  const primitive_attr_t *attr,
                  const convolution_fwd_pd_t *hint_fwd_pd)
              : cpu_convolution_bwd_weights_pd_t(engine, adesc, attr,
                      hint_fwd_pd)
              , jcp_() {}
  
          DECLARE_COMMON_PD_T(
                  JIT_IMPL_NAME_HELPER("jit_wino_4x3:", avx512_core, ""),
                  jit_avx512_core_fp32_wino_conv_4x3_bwd_weights_t);
  
          virtual status_t init() override
          {
              using namespace prop_kind;
              assert(this->engine()->kind() == engine_kind::cpu);
              bool ok = true && this->set_default_params() == status::success
                      && utils::one_of(this->desc()->prop_kind, backward_weights)
                      && utils::one_of(this->desc()->alg_kind,
                                 alg_kind::convolution_auto,
                                 alg_kind::convolution_winograd)
                      && utils::everyone_is(data_type::f32,
                                 this->desc()->src_desc.data_type,
                                 this->desc()->diff_dst_desc.data_type,
                                 this->desc()->diff_weights_desc.data_type)
                      && mkldnn_thr_syncable();
              if (!ok)
                  return status::unimplemented;
  
              status_t status =
                  jit_avx512_core_fp32_wino_conv_4x3_bwd_weights_kernel::
                  init_conf(jcp_, *this->desc(), *this->src_pd_.desc(),
                          *this->diff_dst_pd_.desc(),
                          *this->diff_weights_pd_.desc());
              if (status != status::success) return status;
  
              auto scratchpad = this->scratchpad_registry().registrar();
              winograd_avx512_core::init_scratchpad(scratchpad, jcp_);
  
              if (status == status::success
                      && this->desc()->alg_kind == alg_kind::convolution_auto)
                  CHECK(this->set_alg_kind(alg_kind::convolution_winograd));
  
              return status;
          }
  
          jit_conv_winograd_conf_t jcp_;
  
      protected:
          virtual status_t set_default_params() override
          {
              using namespace memory_format;
  
              if (this->src_pd_.desc()->format == any)
                  CHECK(this->src_pd_.set_format(nChw16c));
              if (this->diff_dst_pd_.desc()->format == any)
                  CHECK(this->diff_dst_pd_.set_format(nChw16c));
              if (this->diff_weights_pd_.desc()->format == any)
                  CHECK(this->diff_weights_pd_.set_format(
                          this->with_groups() ? gOIhw16i16o : OIhw16i16o));
              if (diff_bias_pd_.desc()->format == any)
                  CHECK(diff_bias_pd_.set_format(x));
              return status::success;
          }
      };
  
      jit_avx512_core_fp32_wino_conv_4x3_bwd_weights_t(const pd_t *apd,
              const input_vector &inputs, const output_vector &outputs)
          : cpu_primitive_t(apd, inputs, outputs, true)
          , kernel_(nullptr)
      {
          kernel_ = new jit_avx512_core_fp32_wino_conv_4x3_bwd_weights_kernel(
                  pd()->jcp_);
      }
  
      ~jit_avx512_core_fp32_wino_conv_4x3_bwd_weights_t()
      {
          delete kernel_;
      };
  
      typedef typename prec_traits<data_type::f32>::type data_t;
  
      virtual void execute(event_t *e) const
      {
          if (pd()->desc()->prop_kind == prop_kind::backward_weights) {
              const auto &jcp = kernel_->jcp;
              switch (jcp.sched_policy) {
              case WSCHED_WEI_SDGtWo:
                  _execute_backward_weights_SDGtWo(scratchpad());
                  break;
              case WSCHED_WEI_S_D_Giot_W:
                  _execute_backward_weights_S_D_Giot_W(scratchpad());
                  break;
              default:
                  assert(jcp.sched_policy != WSCHED_INVALID);
                  break;
              }
          }
          else
              assert(!"invalid prop_kind");
          e->set_state(event_t::ready);
      }
  
  private:
      void _execute_backward_weights_SDGtWo(
              const memory_tracking::grantor_t &scratchpad) const;
      void _execute_backward_weights_S_D_Giot_W(
              const memory_tracking::grantor_t &scratchpad) const;
  
      const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
      jit_avx512_core_fp32_wino_conv_4x3_bwd_weights_kernel *kernel_;
  };
  }
  }
  }
  
  #endif
  
  // vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
  