127 lines
3.8 KiB
C++
127 lines
3.8 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"
|
|
#include "image.h"
|
|
|
|
namespace oidn {
|
|
|
|
// Output reorder node
|
|
template<int K, class TransferFunction>
|
|
class OutputReorderNode : public Node
|
|
{
|
|
private:
|
|
// Source
|
|
std::shared_ptr<memory> src;
|
|
const float* srcPtr;
|
|
int H1;
|
|
int W1;
|
|
|
|
// Destination
|
|
Image output;
|
|
|
|
// Tile
|
|
int h1Begin;
|
|
int w1Begin;
|
|
int h2Begin;
|
|
int w2Begin;
|
|
int H;
|
|
int W;
|
|
|
|
std::shared_ptr<TransferFunction> transferFunc;
|
|
|
|
public:
|
|
OutputReorderNode(const std::shared_ptr<memory>& src,
|
|
const Image& output,
|
|
const std::shared_ptr<TransferFunction>& transferFunc)
|
|
: src(src),
|
|
output(output),
|
|
h1Begin(0), w1Begin(0),
|
|
h2Begin(0), w2Begin(0),
|
|
H(output.height), W(output.width),
|
|
transferFunc(transferFunc)
|
|
{
|
|
const mkldnn_memory_desc_t& srcDesc = src->get_desc().data;
|
|
MAYBE_UNUSED(srcDesc);
|
|
assert(memory_desc_matches_tag(srcDesc, mkldnn_format_tag_t(BlockedFormat<K>::nChwKc)));
|
|
assert(srcDesc.ndims == 4);
|
|
assert(srcDesc.data_type == memory::data_type::f32);
|
|
assert(srcDesc.dims[0] == 1);
|
|
// We assume output data is <= K OC
|
|
assert(srcDesc.dims[1] == K);
|
|
|
|
srcPtr = (float*)src->get_data_handle();
|
|
H1 = srcDesc.dims[2];
|
|
W1 = srcDesc.dims[3];
|
|
}
|
|
|
|
void setTile(int h1, int w1, int h2, int w2, int H, int W) override
|
|
{
|
|
h1Begin = h1;
|
|
w1Begin = w1;
|
|
h2Begin = h2;
|
|
w2Begin = w2;
|
|
this->H = H;
|
|
this->W = W;
|
|
}
|
|
|
|
void execute(stream& sm) override
|
|
{
|
|
assert(h1Begin + H <= H1);
|
|
assert(w1Begin + W <= W1);
|
|
assert(h2Begin + H <= output.height);
|
|
assert(w2Begin + W <= output.width);
|
|
|
|
const int C1 = K;
|
|
|
|
parallel_nd(H, [&](int h)
|
|
{
|
|
const int h1 = h + h1Begin;
|
|
const int h2 = h + h2Begin;
|
|
|
|
for (int w = 0; w < W; ++w)
|
|
{
|
|
const int w1 = w + w1Begin;
|
|
const int w2 = w + w2Begin;
|
|
float* dstPtr_C = (float*)output.get(h2, w2);
|
|
|
|
// Source is in nChwKc format. In this case C is 1 so this is really nhwc
|
|
const float* srcPtr_C = srcPtr + h1*W1*C1 + w1*C1;
|
|
|
|
#pragma unroll
|
|
for (int i = 0; i < 3; ++i)
|
|
{
|
|
// Load the value
|
|
float x = srcPtr_C[i];
|
|
|
|
// The CNN output may contain negative values or even NaNs, so it must be sanitized
|
|
x = maxSafe(x, 0.f);
|
|
|
|
// Apply the inverse transfer function
|
|
x = transferFunc->inverse(x);
|
|
|
|
// Sanitize and store the final value
|
|
dstPtr_C[i] = max(x, 0.f);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
} // namespace oidn
|