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deepspeedai--deepspeed/tests/unit/runtime/test_data_efficiency.py
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2026-07-13 13:18:33 +08:00

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# Copyright (c) Microsoft Corporation.
# SPDX-License-Identifier: Apache-2.0
# DeepSpeed Team
import torch
import os
import deepspeed
from deepspeed.accelerator import get_accelerator
import pytest
from unit.common import DistributedTest
from unit.simple_model import Curriculum_SimpleModel, SimpleModel, random_dataloader, random_dataset
class MPU():
def __init__(self, tp_world_size):
self.rank = deepspeed.comm.get_rank()
self.world_size = deepspeed.comm.get_world_size()
self.tp_world_size = tp_world_size
for i in range(0, self.world_size, tp_world_size):
ranks = range(i, i + tp_world_size)
group = deepspeed.comm.new_group(ranks)
if self.rank in ranks:
self.tp_group = group
for i in range(0, tp_world_size):
ranks = range(i, self.world_size, tp_world_size)
group = deepspeed.comm.new_group(ranks)
if self.rank in ranks:
self.dp_group = group
def get_model_parallel_rank(self):
return self.rank % self.tp_world_size
def get_model_parallel_world_size(self):
return self.tp_world_size
def get_data_parallel_rank(self):
return self.rank // self.tp_world_size
def get_data_parallel_world_size(self):
return self.world_size // self.tp_world_size
def get_data_parallel_group(self):
return self.dp_group
def get_model_parallel_group(self):
return self.tp_group
@pytest.mark.parametrize('dtype', [torch.bfloat16, torch.float16])
class TestDataEfficiency(DistributedTest):
world_size = 2
def test_curriculum_learning(self, dtype):
if get_accelerator().device_name() == "cpu":
pytest.skip("CPU accelerator does not support this test yet")
if not dtype in get_accelerator().supported_dtypes():
pytest.skip(f"This test does not support {dtype=}.")
config_dict = {
"train_batch_size": 2,
"steps_per_print": 1,
"optimizer": {
"type": "Adam",
"params": {
"lr": 0.00015,
"weight_decay": 0.01
}
},
"gradient_clipping": 1.0,
"data_efficiency": {
"enabled": True,
"seed": 1234,
"data_sampling": {
"enabled": True,
"num_workers": 0,
"curriculum_learning": {
"enabled": True,
"data_cluster_path": "/tmp",
"curriculum_metrics": {
"dummy_metric": {
"index_to_sample_path": "dummy",
"index_to_metric_path": "dummy",
"difficulty_type": "value",
"clustering_type": "single_cluster",
"min_difficulty": 2,
"max_difficulty": 10,
"schedule_type": "fixed_root",
"schedule_config": {
"total_curriculum_step": 8,
"difficulty_step": 2,
"root_degree": 1
}
}
}
}
}
}
}
if dtype == torch.float16:
config_dict["fp16"] = {"enabled": True, "loss_scale": 0, "initial_scale_power": 8}
else:
config_dict["bf16"] = {"enabled": True}
def data_post_process(data, data_sampler_state_dict):
assert 'dummy_metric' in data_sampler_state_dict['current_difficulties']
return data
hidden_dim = 10
model = SimpleModel(hidden_dim)
dataset = random_dataset(20, hidden_dim, torch.device('cpu'), dtype=dtype)
model, _, data_loader, _ = deepspeed.initialize(config=config_dict,
model=model,
training_data=dataset,
model_parameters=model.parameters(),
mpu=MPU(1))
if model.mpu.get_data_parallel_rank() == 0 and not os.path.exists('/tmp'):
os.makedirs('/tmp')
model.set_data_post_process_func(data_post_process)
for n, batch in enumerate(data_loader):
x = batch[0].to(get_accelerator().current_device_name())
y = batch[1].to(get_accelerator().current_device_name())
loss = model(x, y)
model.backward(loss)
model.step()
if n >= 10:
break
@pytest.mark.parametrize('dtype', [torch.bfloat16, torch.float16])
class TestLegacyCurriculumScheduler(DistributedTest):
world_size = 2
def test_fixed_discrete(self, dtype):
if get_accelerator().device_name() == "cpu":
pytest.skip("CPU accelerator does not support this test yet")
if not dtype in get_accelerator().supported_dtypes():
pytest.skip(f"This test does not support {dtype=}.")
config_dict = {
"train_batch_size": 2,
"steps_per_print": 1,
"optimizer": {
"type": "Adam",
"params": {
"lr": 0.00015,
"weight_decay": 0.01
}
},
"gradient_clipping": 1.0,
"curriculum_learning": {
"enabled": True,
"curriculum_type": "seqlen",
"min_difficulty": 1,
"max_difficulty": 5,
"schedule_type": "fixed_discrete",
"schedule_config": {
"difficulty": [1, 2, 3, 4, 5],
"max_step": [2, 4, 6, 8]
}
}
}
if dtype == torch.float16:
config_dict["fp16"] = {"enabled": True, "loss_scale": 0, "initial_scale_power": 8}
else:
config_dict["bf16"] = {"enabled": True}
hidden_dim = 10
ground_truths = {1: 1, 2: 1, 3: 2, 4: 2, 5: 3, 6: 3, 7: 4, 8: 4}
model = Curriculum_SimpleModel(hidden_dim)
model, _, _, _ = deepspeed.initialize(config=config_dict, model=model, model_parameters=model.parameters())
data_loader = random_dataloader(model=model,
total_samples=20,
hidden_dim=hidden_dim,
device=model.device,
dtype=dtype)
for n, batch in enumerate(data_loader):
loss, seqlen = model(batch[0], batch[1])
model.backward(loss)
model.step()
true_seqlen = 5
if n + 1 in ground_truths:
true_seqlen = ground_truths[n + 1]
assert seqlen == true_seqlen, f"Incorrect curriculum schedule {n=}, {seqlen=}, {true_seqlen=}"
def test_fixed_linear(self, dtype):
if get_accelerator().device_name() == "cpu":
pytest.skip("CPU accelerator does not support this test yet")
if not dtype in get_accelerator().supported_dtypes():
pytest.skip(f"This test does not support {dtype=}.")
config_dict = {
"train_batch_size": 2,
"steps_per_print": 1,
"optimizer": {
"type": "Adam",
"params": {
"lr": 0.00015,
"weight_decay": 0.01
}
},
"gradient_clipping": 1.0,
"curriculum_learning": {
"enabled": True,
"curriculum_type": "seqlen",
"min_difficulty": 2,
"max_difficulty": 10,
"schedule_type": "fixed_linear",
"schedule_config": {
"total_curriculum_step": 8,
"difficulty_step": 2
}
}
}
if dtype == torch.float16:
config_dict["fp16"] = {"enabled": True, "loss_scale": 0, "initial_scale_power": 8}
else:
config_dict["bf16"] = {"enabled": True}
hidden_dim = 10
ground_truths = {1: 2, 2: 4, 3: 4, 4: 6, 5: 6, 6: 8, 7: 8, 8: 10, 9: 10, 10: 10}
model = Curriculum_SimpleModel(hidden_dim)
model, _, _, _ = deepspeed.initialize(config=config_dict, model=model, model_parameters=model.parameters())
data_loader = random_dataloader(model=model,
total_samples=20,
hidden_dim=hidden_dim,
device=model.device,
dtype=dtype)
for n, batch in enumerate(data_loader):
loss, seqlen = model(batch[0], batch[1])
model.backward(loss)
model.step()
if n + 1 in ground_truths:
true_seqlen = ground_truths[n + 1]
assert seqlen == true_seqlen, "Incorrect curriculum schedule"