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/*******************************************************************************
* 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_CONCAT_HPP
#define CPU_CONCAT_HPP
#include <assert.h>
#include "c_types_map.hpp"
#include "memory_pd.hpp"
#include "type_helpers.hpp"
#include "utils.hpp"
#include "cpu_memory.hpp"
#include "cpu_primitive.hpp"
namespace mkldnn {
namespace impl {
namespace cpu {
#define DECLARE_CPU_CONCAT_PD_t(impl_name, ...) \
static status_t create(concat_pd_t **concat_pd, \
const memory_desc_t *output_d, int n, int concat_dim, \
const memory_pd_t **input_pds, const primitive_attr_t *attr) { \
auto _pd = new pd_t(output_d, n, concat_dim, \
(const cpu_memory_pd_t **)input_pds, attr); \
if (_pd == nullptr) return out_of_memory; \
if (_pd->init() != success) { delete _pd; return unimplemented; } \
return safe_ptr_assign<concat_pd_t>(*concat_pd, _pd); \
} \
virtual status_t create_primitive(primitive_t **primitive, \
const primitive_at_t *inputs, \
const primitive_t **outputs) const override { \
double ms = get_msec(); \
primitive_t::input_vector ins(inputs, inputs + n_); \
primitive_t::output_vector outs(outputs, outputs + 1); \
auto ret = safe_ptr_assign<primitive_t>(*primitive, \
new (__VA_ARGS__)(this, ins, outs)); \
ms = get_msec() - ms; \
if (mkldnn_verbose()->level >= 2) { \
printf("mkldnn_verbose,create,%s,%g\n", this->info(), ms); \
fflush(0); \
} \
return ret; \
} \
virtual pd_t *clone() const override { return nullptr; } \
virtual const char *name() const override { return impl_name; }
#define DECLARE_CPU_CONCAT_PD_T(impl_name, ...) \
DECLARE_CPU_CONCAT_PD_t(impl_name, __VA_ARGS__)
struct cpu_concat_pd_t: public concat_pd_t {
using cpu_memory_pd_t = cpu_memory_t::pd_t;
cpu_concat_pd_t(const memory_desc_t *output_d, int n,
int concat_dim, const cpu_memory_pd_t **input_pds,
const primitive_attr_t *attr)
: concat_pd_t(input_pds[0]->engine(), n, concat_dim, attr),
dst_pd_(input_pds[0]->engine()) {
for (int i = 0; i < n_; ++i)
src_pds_.push_back(*input_pds[i]); /* make a copy */
dst_pd_ = cpu_memory_pd_t(input_pds[0]->engine(), output_d);
}
cpu_concat_pd_t(const cpu_concat_pd_t &rhs)
: concat_pd_t(rhs), src_pds_(rhs.src_pds_)
, src_image_pds_(rhs.src_image_pds_)
, dst_pd_(rhs.dst_pd_) {}
virtual ~cpu_concat_pd_t() {}
virtual const cpu_memory_pd_t *src_pd(int index = 0) const override
{ return index < this->n_ ? &src_pds_[index] : nullptr; }
virtual const cpu_memory_pd_t *src_image_pd(int index = 0) const
{ return index < this->n_ ? &src_image_pds_[index] : nullptr; }
virtual const cpu_memory_pd_t *dst_pd(int index = 0) const override
{ return index == 0 ? &dst_pd_ : nullptr; }
protected:
nstl::vector<cpu_memory_pd_t> src_pds_;
nstl::vector<cpu_memory_pd_t> src_image_pds_;
cpu_memory_pd_t dst_pd_;
virtual status_t init() {
bool ok = true
&& set_default_params() == success
&& attr()->has_default_values();
if (!ok) return unimplemented;
for (int i = 0; i < n_; ++i) {
const memory_desc_wrapper i_d(&src_pds_[i]);
if (i_d.is_wino_desc() || i_d.is_additional_buffer())
return unimplemented;
}
const int ndims = dst_pd_.desc()->ndims;
int current_concat_dim_offset = 0;
for (int i = 0; i < n_; ++i) {
const int dim = src_pds_[i].desc()->dims[concat_dim_];
dims_t dims, offsets = {};
utils::array_copy(dims, dst_pd_.desc()->dims, ndims);
dims[concat_dim_] = dim;
offsets[concat_dim_] = current_concat_dim_offset;
cpu_view_t::pd_t v_pd(src_pds_[i].engine());
status_t status = v_pd.init(&dst_pd_, dims, offsets);
if (status != success) return status;
src_image_pds_.push_back(*v_pd.dst_pd());
current_concat_dim_offset += dim;
}
return success;
}
virtual status_t set_default_params() {
if (dst_pd_.desc()->format != memory_format::any)
return status::success;
const int ndims = dst_pd_.desc()->ndims;
const auto fallback_dst_fmt = types::flat_memory_format(ndims);
/* the stupidest ever heuristics */
memory_format_t desired_dst_fmt = dst_pd_.desc()->format;
for (int i = 0; i < n_; ++i)
desired_dst_fmt = nstl::max(desired_dst_fmt,
src_pds_[i].desc()->format);
/* try to create dst with the desired format */
status_t status = dst_pd_.set_format(desired_dst_fmt);
if (status != status::success) {
/* if fail use fallback flat layout */
return dst_pd_.set_format(fallback_dst_fmt);
}
/* check if we can create view for the dst with the desired format */
bool desired_format_ok = true;
int current_concat_dim_offset = 0;
for (int i = 0; i < n_; ++i) {
const int dim = src_pds_[i].desc()->dims[concat_dim_];
dims_t dims, offsets = {};
utils::array_copy(dims, dst_pd_.desc()->dims, ndims);
dims[concat_dim_] = dim;
offsets[concat_dim_] = current_concat_dim_offset;
cpu_view_t::pd_t v_pd(src_pds_[i].engine());
if (v_pd.init(&dst_pd_, dims, offsets) != success) {
desired_format_ok = false;
break;
}
current_concat_dim_offset += dim;
}
if (!desired_format_ok) {
/* if fail use fallback flat layout */
return dst_pd_.set_format(fallback_dst_fmt);
}
return status::success;
}
};
}
}
}
#endif
// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s
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