chore: import upstream snapshot with attribution

2026-07-13 13:37:14 +08:00
commit 2aaeece67c
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+"""模型组网正确性验证
+【基本流程】
+
+定义原模型，加载权重，固定seed，基于numpy生成随机数，转换为PyTorch可以处理的tensor，送入网络，获取输出。
+
+定义模块化转换后modeling模型，加载权重，固定seed，基于numpy生成随机数，转换为PaddlePaddle可以处理的tensor，送入网络，获取输出。
+
+排查diff，小于阈值，即可完成自测。
+"""
+import numpy as np
+import paddle
+from paddleformers.transformers.qwen2 import Qwen2Config
+from paddleformers.transformers.qwen2.modeling import Qwen2ForCausalLM
+from paddleformers.transformers import Qwen2Config as Qwen2Config_hf
+from paddleformers.transformers import Qwen2ForCausalLM as Qwen2ForCausalLM_hf
+#from paddleformers.transformers.qwen2.test_model_expanded import Qwen2ForCausalLM as Qwen2ForCausalLM_hf
+
+
+
+def eval_model_convert():
+    paddle_input_ids = paddle.to_tensor([[0, 345, 232, 328, 740, 140, 1695, 69, 6078, 1588, 2]])
+    torch_input_ids = paddle.to_tensor([[0, 345, 232, 328, 740, 140, 1695, 69, 6078, 1588, 2]])
+
+    # paddle model
+    paddle_ckpt_path = "Qwen/Qwen2-0.5B"
+    config_paddle = Qwen2Config.from_pretrained(paddle_ckpt_path)
+    model_paddle = Qwen2ForCausalLM.from_pretrained(paddle_ckpt_path, config=config_paddle, dtype="float32")
+
+    # torch model
+    
+    torch_ckpt_path = "Qwen/Qwen2-0.5B"
+    config_torch = Qwen2Config_hf.from_pretrained(torch_ckpt_path)
+    config_torch.dtype = "float32"
+    model_torch = Qwen2ForCausalLM_hf.from_pretrained(torch_ckpt_path, config=config_torch, dtype="float32")
+
+    model_paddle.eval()
+    model_torch.eval()
+
+    out_paddle = model_paddle(paddle_input_ids)[0]
+    out_torch = model_torch(torch_input_ids, return_dict=False)[0]
+    print(out_paddle)
+    print(out_torch)
+    assert np.allclose(out_paddle.numpy(), out_torch.detach().numpy(), rtol=1e-5, atol=1e-3)
+
+eval_model_convert()