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2025-09-27 12:02:22 +08:00
commit a4443765ee
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import os
import json
import torch
import shutil
import pytest
import tempfile
import safetensors.torch as st
from khaosz.core import *
from khaosz.core.generator import EmbeddingEncoderCore, GeneratorCore
from tokenizers import pre_tokenizers
@pytest.fixture
def test_env():
test_dir = tempfile.mkdtemp()
config_path = os.path.join(test_dir, "config.json")
tokenizer_path = os.path.join(test_dir, "tokenizer.json")
model_path = os.path.join(test_dir, "model.safetensors")
config = {
"vocab_size": 1000,
"n_dim": 128,
"n_head": 4,
"n_kvhead": 2,
"d_ffn": 256,
"m_len": 64,
"n_layer": 2,
"norm_eps": 1e-5
}
with open(config_path, 'w') as f:
json.dump(config, f)
tokenizer = BpeTokenizer()
sp_token_iter = iter(pre_tokenizers.ByteLevel.alphabet())
tokenizer.train_from_iterator(sp_token_iter, config["vocab_size"], 1)
tokenizer.save(tokenizer_path)
transformer_config = TransformerConfig().load(config_path)
model = Transformer(transformer_config)
st.save_file(model.state_dict(), model_path)
yield {
"test_dir": test_dir,
"model": model,
"tokenizer": tokenizer,
"transformer_config": transformer_config,
}
shutil.rmtree(test_dir)
# parameter loader
def test_parameter_loader(test_env):
loaded_param = ParameterLoader.load(test_env["test_dir"])
assert loaded_param.model is not None
assert loaded_param.tokenizer is not None
assert loaded_param.config == test_env["transformer_config"]
def test_model_parameter(test_env):
save_dir = os.path.join(test_env["test_dir"], "save")
model_param = ModelParameter(test_env["model"],test_env["tokenizer"] , test_env["transformer_config"])
model_param.save(save_dir)
assert os.path.exists(os.path.join(save_dir, "model.safetensors"))
assert os.path.exists(os.path.join(save_dir, "tokenizer.json"))
assert os.path.exists(os.path.join(save_dir, "config.json"))
# transformer
def test_transformer(test_env):
model = test_env["model"]
input_ids = torch.randint(0, test_env["transformer_config"].vocab_size,
(4, test_env["transformer_config"].m_len))
output_logits = model(input_ids)["logits"]
target_shape = (4, test_env["transformer_config"].m_len, test_env["transformer_config"].vocab_size)
assert output_logits.shape == target_shape
# generator
def test_embedding_encoder_core(test_env):
parameter = ModelParameter(
test_env["model"],
test_env["tokenizer"],
test_env["transformer_config"]
)
encoder = EmbeddingEncoderCore(parameter)
single_emb = encoder.encode("测试文本")
assert isinstance(single_emb, torch.Tensor)
assert single_emb.shape[-1] == test_env["transformer_config"].n_dim
batch_emb = encoder.encode(["测试1", "测试2"])
assert isinstance(batch_emb, list)
assert len(batch_emb) == 2
def test_generator_core(test_env):
parameter = ModelParameter(
test_env["model"],
test_env["tokenizer"],
test_env["transformer_config"]
)
generator = GeneratorCore(parameter)
logits, incr = generator.compute_logits(torch.randint(0, test_env["transformer_config"].vocab_size, (4, 10)))
assert logits.shape == (4, test_env["transformer_config"].vocab_size)
assert incr == 10
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import os
import json
import torch
import shutil
import pytest
import pickle
import tempfile
import matplotlib
from torch.utils.data import Dataset
from khaosz.core import *
from khaosz.trainer import *
# to avoid _tkinter.TclError
matplotlib.use('Agg')
@pytest.fixture
def test_env():
test_dir = tempfile.mkdtemp()
config_path = os.path.join(test_dir, "config.json")
config = {
"vocab_size": 1000,
"n_dim": 128,
"n_head": 4,
"n_kvhead": 2,
"d_ffn": 256,
"m_len": 64,
"n_layer": 2,
"norm_eps": 1e-5
}
with open(config_path, 'w') as f:
json.dump(config, f)
transformer_config = TransformerConfig().load(config_path)
model = Transformer(transformer_config)
tokenizer = BpeTokenizer()
class DummyDataset(Dataset):
def __init__(self, length=10):
self.length = length
def __len__(self):
return self.length
def __getitem__(self, idx):
return (
torch.randint(0, 1000, (64,)),
torch.randint(0, 1000, (64,))
)
dataset = DummyDataset()
yield {
"test_dir": test_dir,
"config_path": config_path,
"transformer_config": transformer_config,
"model": model,
"tokenizer": tokenizer,
"dataset": dataset
}
shutil.rmtree(test_dir)
def test_dataset_loader(test_env):
test_dir = test_env["test_dir"]
pkl_path = os.path.join(test_dir, "test_data.pkl")
dummy_data = {"sequence": torch.randint(0, 1000, (64,))}
with open(pkl_path, "wb") as f:
pickle.dump(dummy_data, f)
loaded_dataset = DatasetLoader.load(train_type="seq", load_path=pkl_path, max_len=64, device="cpu")
assert loaded_dataset is not None
def test_training_config(test_env):
optimizer = torch.optim.AdamW(test_env["model"].parameters())
train_config = TrainConfig(
train_type="seq",
dataset=test_env["dataset"],
optimizer=optimizer,
ckpt_dir=test_env["test_dir"],
n_epoch=1,
batch_size=2,
n_iter_ckpt=5,
n_iter_step=1,
max_grad_norm=1.0,
random_seed=42
)
assert train_config.get_kwargs()["batch_size"] == 2
def test_cosine_schedule(test_env):
assert test_env is not None
schedule_config = CosineScheduleConfig(
warning_step=100,
total_iters=1000
)
kwargs = schedule_config.get_kwargs()
assert kwargs["warning_step"] == 100
assert kwargs["lr_decay_iters"] == 900
def test_sgdr_schedule(test_env):
assert test_env is not None
schedule_config = SgdrScheduleConfig(
warning_step=100,
cycle_length=200,
T_mult=2
)
kwargs = schedule_config.get_kwargs()
assert kwargs["warning_step"] == 100
assert kwargs["cycle_length"] == 200
assert kwargs["T_mult"] == 2
def test_trainer_train(test_env):
optimizer = torch.optim.AdamW(test_env["model"].parameters())
train_config = TrainConfig(
train_type="seq",
dataset=test_env["dataset"],
optimizer=optimizer,
ckpt_dir=test_env["test_dir"],
n_epoch=1,
batch_size=2,
n_iter_ckpt=5,
n_iter_step=1,
max_grad_norm=1.0,
random_seed=42
)
schedule_config = CosineScheduleConfig(
warning_step=100,
total_iters=1000
)
model_parameter = ModelParameter(
test_env["model"],
test_env["tokenizer"],
test_env["transformer_config"]
)
trainer = Trainer(model_parameter)
trainer.train(train_config, schedule_config)
def test_checkpoint(test_env):
temp_dir = test_env["test_dir"]
config = test_env["transformer_config"]
model = test_env["model"]
tokenizer = test_env["tokenizer"]
param = ModelParameter(model, tokenizer, config)
checkpoint = Checkpoint(
model=param.model,
tokenizer=param.tokenizer,
config=param.config,
loss_list=[1.0, 2.0, 3.0],
current_iter=3
)
ckpt_dir = os.path.join(temp_dir, "ckpt")
checkpoint.save(ckpt_dir)
loaded_ckpt = Checkpoint()
loaded_ckpt.load(ckpt_dir)
assert loaded_ckpt.current_iter == 3
assert loaded_ckpt.loss_list == [1.0, 2.0, 3.0]
for p1, p2 in zip(model.parameters(), loaded_ckpt.model.parameters()):
assert torch.allclose(p1, p2)
def test_checkpoint_train(test_env):
temp_dir = test_env["test_dir"]
config = test_env["transformer_config"]
model = test_env["model"]
tokenizer = test_env["tokenizer"]
dataset = test_env["dataset"]
param = ModelParameter(model, tokenizer, config)
trainer = Trainer(param)
optimizer = torch.optim.AdamW(test_env["model"].parameters())
train_config = TrainConfig(
train_type="seq",
dataset=dataset,
optimizer=optimizer,
ckpt_dir=test_env["test_dir"],
n_epoch=1,
batch_size=2,
n_iter_ckpt=5,
n_iter_step=1,
max_grad_norm=1.0,
random_seed=42
)
schedule_config = CosineScheduleConfig(
warning_step=100,
total_iters=1000
)
trainer.train(
train_config=train_config,
schedule_config=schedule_config,
)