text: /*******************************************************************************
  * Copyright 2017-2020 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 IP_HPP
  #define IP_HPP
  
  #include <iostream>
  
  #include "dnnl.h"
  
  #include "common.hpp"
  #include "dnnl_common.hpp"
  #include "dnnl_memory.hpp"
  #include "perf_report.hpp"
  
  namespace ip {
  
  struct desc_t {
      int64_t mb, oc, ic, id, ih, iw;
      const char *name;
      int ndims;
  };
  int str2desc(desc_t *desc, const char *str);
  std::ostream &operator<<(std::ostream &s, const desc_t &d);
  
  typedef struct dt_conf_t {
      dnnl_data_type_t dt;
      double min, max; /* representative */
      double f_min, f_max; /* fill range */
      int f_base; /* fill base, use 0 */
      double f_sparsity; /* amount of non-zeros, default 0.25 */
      double f_scale; /* fill scale, scaling factor for integer generated data */
      double eps; /* acceptable error */
  } _dt_conf_t[DAT_TOTAL];
  
  extern const _dt_conf_t conf_f32;
  
  struct settings_t {
      settings_t() = default;
  
      // ctor to save certain fields from resetting
      settings_t(const char *perf_template) : settings_t() {
          this->perf_template = perf_template;
      }
  
      desc_t desc {};
  
      std::vector<dir_t> dir {FWD_B};
      std::vector<const dt_conf_t *> cfg {conf_f32};
      std::vector<std::string> stag {tag::any}, wtag {tag::any}, dtag {tag::any};
      std::vector<int64_t> mb {0};
      attr_t attr = {};
  
      const char *perf_template_csv
              = "perf,%engine%,%name%,%dir%,%cfg%,%attr%,%DESC%,"
                "%Gops%,%Gfreq%,%-time%,%-Gflops%,%0time%,%0Gflops%";
      const char *perf_template_def
              = "perf,%engine%,%name%,%prb%,"
                "%Gops%,%Gfreq%,%-time%,%-Gflops%,%0time%,%0Gflops%";
      const char *perf_template = perf_template_def;
  
      void reset() { *this = settings_t(perf_template); }
  };
  
  struct prb_t : public desc_t {
      prb_t(const desc_t &desc, int64_t mb, dir_t dir, const dt_conf_t *cfg,
              const std::string &stag, const std::string &wtag,
              const std::string &dtag, const attr_t &attr)
          : desc_t(desc)
          , dir(dir)
          , cfg(cfg)
          , stag(stag)
          , wtag(wtag)
          , dtag(dtag)
          , attr(attr)
          , ops(0)
          , scales(NULL) {
          if (mb) this->mb = mb;
          count_ops();
          generate_oscales();
      }
      ~prb_t() {
          if (scales) zfree(scales);
      }
  
      dir_t dir;
      const dt_conf_t *cfg;
      std::string stag, wtag, dtag;
      attr_t attr;
  
      double ops;
      float *scales;
  
      void count_ops() {
          if (ops > 0) return;
          ops = 2. * mb * ic * oc * id * ih * iw;
      };
  
      void generate_oscales();
  
      BENCHDNN_DISALLOW_COPY_AND_ASSIGN(prb_t);
  };
  std::ostream &operator<<(std::ostream &s, const prb_t &p);
  
  const dt_conf_t *str2cfg(const char *str);
  std::ostream &operator<<(std::ostream &s, const dt_conf_t *cfg);
  
  struct perf_report_t : public base_perf_report_t {
      using base_perf_report_t::base_perf_report_t;
  
      void report(const prb_t *p, const res_t *r, const char *prb_str) {
          p_ = p;
          base_report(r, prb_str);
      }
  
      void dump_cfg(std::ostream &s) const override { s << p_->cfg; }
  
      void dump_desc(std::ostream &s) const override {
          s << static_cast<const desc_t &>(*p_);
      }
  
      void dump_desc_csv(std::ostream &s) const override {
          s << p_->mb << ',' << p_->oc << ',' << p_->ic << ',' << p_->id << ','
            << p_->ih << ',' << p_->iw;
      }
  
      double ops() const override { return p_->ops; }
      const attr_t *attr() const override { return &p_->attr; }
      const char *name() const override { return p_->name; }
      const dir_t *dir() const override { return &p_->dir; }
  
  private:
      const prb_t *p_ = NULL;
  };
  
  inline size_t src_off_f(const prb_t *p, int64_t mb, int64_t ic, int64_t id,
          int64_t ih, int64_t iw) {
      return (((mb * p->ic + ic) * p->id + id) * p->ih + ih) * p->iw + iw;
  }
  
  inline size_t wei_off_f(const prb_t *p, int64_t oc, int64_t ic, int64_t id,
          int64_t ih, int64_t iw) {
      return (((oc * p->ic + ic) * p->id + id) * p->ih + ih) * p->iw + iw;
  }
  
  inline size_t bia_off_f(const prb_t *p, int64_t oc) {
      return oc;
  }
  
  inline size_t dst_off_f(const prb_t *p, int64_t mb, int64_t oc) {
      return mb * p->oc + oc;
  }
  
  void compute_ref_fwd(const engine_t &engine_tgt, const prb_t *p,
          dnn_mem_t &src_m, dnn_mem_t &wei_m, dnn_mem_t &bia_m, dnn_mem_t &dst_m);
  void compute_ref_bwd_d(const prb_t *p, dnn_mem_t &diff_src_m, dnn_mem_t &wei_m,
          dnn_mem_t &diff_dst_m);
  void compute_ref_bwd_w(const prb_t *p, dnn_mem_t &src_m, dnn_mem_t &diff_wei_m,
          dnn_mem_t &diff_bia_m, dnn_mem_t &diff_dst_m);
  
  int doit(const prb_t *p, res_t *res);
  
  int bench(int argc, char **argv);
  } // namespace ip
  
  #endif
  