virtualx-engine/thirdparty/oidn/core/weights_reorder.h
2021-01-14 18:02:07 +01:00

99 lines
3.7 KiB
C++

// ======================================================================== //
// Copyright 2009-2019 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. //
// ======================================================================== //
#pragma once
#include "node.h"
namespace oidn {
// Reorders weights from oihw to padded oihw format
template<int K>
class WeightsReorderNode : public Node
{
private:
std::shared_ptr<memory> src;
std::shared_ptr<memory> dst;
public:
WeightsReorderNode(const std::shared_ptr<memory>& src,
const std::shared_ptr<memory>& dst)
: src(src),
dst(dst)
{
const mkldnn_memory_desc_t& srcDesc = src->get_desc().data;
const mkldnn_memory_desc_t& dstDesc = dst->get_desc().data;
MAYBE_UNUSED(srcDesc);
MAYBE_UNUSED(dstDesc);
assert(memory_desc_matches_tag(srcDesc, mkldnn_format_tag_t(memory::format_tag::oihw)));
assert(memory_desc_matches_tag(dstDesc, mkldnn_format_tag_t(memory::format_tag::oihw)));
assert(srcDesc.ndims == 4);
assert(dstDesc.ndims == 4);
assert(srcDesc.data_type == memory::data_type::f32);
assert(dstDesc.data_type == memory::data_type::f32);
assert(getPadded<K>(srcDesc.dims[0]) == dstDesc.dims[0]); // OC
assert(getPadded<K>(srcDesc.dims[1]) == dstDesc.dims[1]); // IC
assert(srcDesc.dims[2] == dstDesc.dims[2]);
assert(srcDesc.dims[3] == dstDesc.dims[3]);
}
void execute(stream& sm) override
{
const mkldnn_memory_desc_t& srcDesc = src->get_desc().data;
const mkldnn_memory_desc_t& dstDesc = dst->get_desc().data;
const float* srcPtr = (float*)src->get_data_handle();
float* dstPtr = (float*)dst->get_data_handle();
const int OC1 = srcDesc.dims[0];
const int OC2 = dstDesc.dims[0];
const int IC1 = srcDesc.dims[1];
const int IC2 = dstDesc.dims[1];
const int H = dstDesc.dims[2];
const int W = dstDesc.dims[3];
for (int oc = 0; oc < OC2; ++oc)
{
for (int ic = 0; ic < IC2; ++ic)
{
for (int h = 0; h < H; ++h)
{
for (int w = 0; w < W; ++w)
{
// Output is in oihw format
float* dstPtr_c = dstPtr + oc*IC2*H*W + ic*H*W + h*W + w;
if (oc < OC1 && ic < IC1)
{
// Input is in oihw format
const float* srcPtr_c = srcPtr + oc*IC1*H*W + ic*H*W + h*W + w;
*dstPtr_c = *srcPtr_c;
}
else
{
// padding
*dstPtr_c = 0;
}
}
}
}
}
}
std::shared_ptr<memory> getDst() const override { return dst; }
};
} // namespace oidn