Files
alibaba--mnn/tools/converter/source/tensorflow/TfUtils.cpp
T
2026-07-13 13:33:03 +08:00

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1.8 KiB
C++

//
// TfUtils.cpp
// MNNConverter
//
// Created by MNN on 2019/01/31.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include <stdio.h>
#include <algorithm>
#include <fstream>
#include <limits>
#include <set>
#include "TfUtils.hpp"
#include "logkit.h"
bool tf_read_proto_from_binary(const char* filepath, google::protobuf::Message* message) {
std::ifstream fs(filepath, std::ifstream::in | std::ifstream::binary);
if (!fs.is_open()) {
fprintf(stderr, "open failed %s\n", filepath);
return false;
}
google::protobuf::io::IstreamInputStream input(&fs);
google::protobuf::io::CodedInputStream codedstr(&input);
#if GOOGLE_PROTOBUF_VERSION >= 3011000
codedstr.SetTotalBytesLimit(INT_MAX);
#else
codedstr.SetTotalBytesLimit(INT_MAX, INT_MAX/2);
#endif
bool success = message->ParseFromCodedStream(&codedstr);
fs.close();
return success;
}
bool find_attr_value(const tensorflow::NodeDef* node, const char* key, tensorflow::AttrValue& value) {
const google::protobuf::Map<std::string, tensorflow::AttrValue>& attr = node->attr();
const google::protobuf::Map<std::string, tensorflow::AttrValue>::const_iterator it = attr.find(key);
if (it != attr.end()) {
value = it->second;
return true;
}
return false;
}
bool convertDataFormat(const float* src, float* dst, int planeNumber, int CI, int CO) {
// H W CI CO --> CO CI H W
assert(planeNumber > 0);
assert(CI > 0);
assert(CO > 0);
assert(src != nullptr);
for (int coi = 0; coi < CO; coi++) {
for (int cii = 0; cii < CI; cii++) {
for (int i = 0; i < planeNumber; ++i) {
dst[(coi * CI + cii) * planeNumber + i] = src[(i * CI + cii) * CO + coi];
}
}
}
return true;
}