40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
#include "utils.h"
|
|
|
|
// Load weights from files shared with TensorRT samples.
|
|
// TensorRT weight files have a simple space delimited format:
|
|
// [type] [size] <data x size in hex>
|
|
std::map<std::string, Weights> loadWeights(const std::string file) {
|
|
std::cout << "Loading weights: " << file << std::endl;
|
|
std::map<std::string, Weights> weightMap;
|
|
|
|
// Open weights file
|
|
std::ifstream input(file);
|
|
assert(input.is_open() && "Unable to load weight file.");
|
|
|
|
// Read number of weight blobs
|
|
int32_t count;
|
|
input >> count;
|
|
assert(count > 0 && "Invalid weight map file.");
|
|
|
|
while (count--) {
|
|
Weights wt{DataType::kFLOAT, nullptr, 0};
|
|
uint32_t size;
|
|
|
|
// Read name and type of blob
|
|
std::string name;
|
|
input >> name >> std::dec >> size;
|
|
wt.type = DataType::kFLOAT;
|
|
|
|
// Load blob
|
|
uint32_t* val = reinterpret_cast<uint32_t*>(malloc(sizeof(val) * size));
|
|
for (uint32_t x = 0, y = size; x < y; ++x) {
|
|
input >> std::hex >> val[x];
|
|
}
|
|
wt.values = val;
|
|
wt.count = size;
|
|
weightMap[name] = wt;
|
|
}
|
|
|
|
return weightMap;
|
|
}
|