Export pretrained alexnet

tools/utils.py

@@ -1,7 +1,42 @@
-def print_cpp_vector(vector):
-    print("std::vector<float> expected = {", end="")
+import torch
+import struct
+
+
+def print_cpp_vector(vector, name="expected"):
+    print("std::vector<float> " + name + " = {", end="")
     for i in range(len(vector)):
         if i != 0:
             print(", ", end="")
         print(str(round(vector[i].item(), 5)) + "f", end="")
     print("};")
+
+
+def export_model_weights(model: torch.nn.Module, filename):
+    with open(filename, 'wb') as f:
+
+        header = ""
+        offset = 0
+
+
+        for name, param in model.named_parameters():
+            if 'weight' not in name and 'bias' not in name:
+                continue
+
+            tensor_values = param.flatten().tolist()
+            tensor_bytes = struct.pack('f' * len(tensor_values), *tensor_values)
+
+            tensor_size = param.numel()
+
+            header += f"{name},{tensor_size},{offset}\n"
+            
+            offset += len(tensor_bytes)
+
+            f.write(tensor_bytes)
+
+        f.seek(0)
+        f.write(struct.pack('q', len(header)))            
+        f.write(header.encode('utf-8'))
+
+def print_model_parameters(model: torch.nn.Module):
+    for name, param in model.named_parameters():
+        print(name, param.numel())