[feat] support zbv in mixtral benchmark; (#6083)

* [feat] support zbv in mixtral benchmark;

* [fix] MixtralForCausalLMPolicy get_held_layer support zbv;

* [feat] update MixtralPipelineForwards --> mixtral_model_forward; support zbv;

* [feat] support MixtralPipelineForwards--> mixtral_for_causal_lm_forward for zbv

* [fix] fix llama, mixtral benchmark zbv loss none bug; update mixtral & llama policy and modeling;

* [feat] Linear1D_COL/ROW support zbv WeightGradStore;

* [feat] support use_zbv in llama, mixtral modeling; only replace Linear1D_Col/Row policy;

* [fix] fix test case; moe error in second iter

* [feat]EPMixtralSparseMoeBlock (op in MOE) support zbv;

* [fix] fix bwd b; now bwd w only for Layer replaced by Linear1D_Col/Row; other layer perform a fully bwd;

* [fix] debug zbv llama test;

* [fix] rm use_zbv flag in Shardconfig; rm debug info;

* [fix] add & fix  llama test

* [feat] support meta cache, meta_grad_send, meta_tensor_send; fix runtime too long in Recv Bwd; benchmark for llama + Hybrid(tp+pp);

* [fix\ fix fail case test_shard_llama

* [fix] fix test_shard_llama

* [fix] fix llama modeling policy;

* [fix] fix test_shard_llama ci;

* [fix] fix test zerobubble

* [fix] fix handle name; rm useless comments;

* [fix] fix send recv signature;

* [fix] fix comment in llama & benchmark

* [feat] support no tensor parallel Linear in shardformer; Add test for use weightGradStore and not use WeightGradStore

* [fix] fix linear (no tp) ops func name;
This commit is contained in:
duanjunwen
2024-10-31 18:17:29 +08:00
committed by GitHub
parent dac0e07b13
commit aed20fb2df
16 changed files with 938 additions and 151 deletions

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@@ -8,12 +8,14 @@ import torch
import torch.distributed as dist
import torch.nn as nn
from torch.testing import assert_close
from transformers.models.llama.configuration_llama import LlamaConfig
from transformers.models.llama.modeling_llama import LlamaModel
from transformers.models.mixtral.configuration_mixtral import MixtralConfig
from transformers.models.mixtral.modeling_mixtral import MixtralModel
import colossalai
from colossalai.booster.booster import Booster
from colossalai.booster.plugin.moe_hybrid_parallel_plugin import MoeHybridParallelPlugin
from colossalai.booster.plugin.moe_hybrid_parallel_plugin import HybridParallelPlugin, MoeHybridParallelPlugin
from colossalai.cluster import ProcessGroupMesh
from colossalai.interface import OptimizerWrapper
from colossalai.logging import disable_existing_loggers
@@ -756,10 +758,11 @@ def run_with_hybridplugin(test_config):
@parameterize(
"config",
[
(0, 1, 4, 1, 1),
(1, 2, 2, 1, 1),
(1, 2, 1, 2, 1),
(1, 2, 1, 1, 2),
# (0, 1, 4, 1, 1),
# (1, 2, 2, 1, 1),
(1, 1, 2, 2, 1),
# (1, 2, 1, 2, 1),
# (1, 2, 1, 1, 2),
],
)
def run_with_booster_moehybridplugin(config: Tuple[int, ...]):
@@ -790,6 +793,8 @@ def run_with_booster_moehybridplugin(config: Tuple[int, ...]):
seed_all(10086)
torch_model = MixtralModel(config).to(dtype).cuda()
# TODO: Support MixtralForCausalLM
# torch_model = MixtralForCausalLM(config).to(dtype).cuda()
torch_optimizer = torch.optim.SGD(torch_model.parameters(), lr=1)
# init schedule
h, a, s = config.hidden_size, config.num_attention_heads, 1024
@@ -892,7 +897,7 @@ def run_with_booster_moehybridplugin(config: Tuple[int, ...]):
# ===================================================================================
# run normal model with all dp(different) inputs
all_inputs = [torch.empty_like(input_embeddings) for _ in range(dp_size)]
all_inputs = [input_embeddings.clone() for _ in range(dp_size)]
dist.all_gather(all_inputs, input_embeddings, group=plugin.dp_group)
torch_output_sum = 0
for input_data_ in all_inputs:
@@ -905,18 +910,177 @@ def run_with_booster_moehybridplugin(config: Tuple[int, ...]):
p.grad /= dp_size
torch_optimizer.step()
torch_optimizer.zero_grad()
assert_loose_close(parallel_output, torch_output_sum, dtype=dtype)
print(f"rank {dist.get_rank()} config {test_config} test passed")
clear_layout_converter()
Randomizer.reset_index()
torch.cuda.empty_cache()
clear_layout_converter()
Randomizer.reset_index()
torch.cuda.empty_cache()
@parameterize(
"config",
[
(1, 2, 2, 1), # Pass
# TODO: only support pp + tp accleration; Will support fully pp and None tp Hybrid in furture;
# (0, 4, 1, 1),
# (1, 2, 1, 2),
# (1, 1, 2, 2),
],
)
def run_with_booster_hybridplugin(config: Tuple[int, ...]):
stage, pp_size, tp_size, sp_size = config
num_microbatches = pp_size
dist.get_world_size()
rank = dist.get_rank()
dtype, precision = torch.float16, "fp16"
torch.cuda.set_device(dist.get_rank())
########
# init base model
########
assert pp_size <= NUM_LAYERS, "pp_size should be less than or equal to NUM_LAYERS"
config = LlamaConfig(
hidden_size=HIDDEN_SIZE_PER_HEAD * NUM_HEADS,
intermediate_size=HIDDEN_SIZE_PER_HEAD * NUM_HEADS * 2,
num_hidden_layers=NUM_LAYERS,
num_attention_heads=NUM_HEADS,
num_key_value_heads=NUM_HEADS,
attn_implementation="flash_attention_2",
)
# init model with the same seed
seed_all(10086)
torch_model = LlamaModel(config).to(dtype).cuda()
# TODO: Support MixtralForCausalLM
# torch_model = MixtralForCausalLM(config).to(dtype).cuda()
torch_optimizer = torch.optim.SGD(torch_model.parameters(), lr=1)
# init schedule
h, a, s = config.hidden_size, config.num_attention_heads, 1024
mem_f = 34 * h + 5 * a * s
mem_w = -32 * h
mem_b = -mem_w - mem_f
graph = PipelineGraph(
n_stage=pp_size,
n_micro=num_microbatches,
f_cost=1,
b_cost=1,
w_cost=1,
c_cost=1,
f_mem=mem_f,
b_mem=mem_b,
w_mem=mem_w,
)
zbv_schedule = graph.get_v_schedule()
# init HybridParallelPlugin
plugin = HybridParallelPlugin(
pp_size=pp_size,
num_microbatches=pp_size,
tp_size=tp_size,
sp_size=sp_size,
zero_stage=stage,
enable_sequence_parallelism=sp_size > 1,
sequence_parallelism_mode="all_to_all" if sp_size > 1 else None,
overlap_communication=False,
initial_scale=1,
precision=precision,
find_unused_parameters=True,
pp_style="zbv",
scheduler_nodes=zbv_schedule,
num_model_chunks=2,
)
dp_size = plugin.dp_size
booster = Booster(plugin=plugin)
########
# init pp model
########
parallel_model = deepcopy(torch_model)
parallel_optimizer = torch.optim.SGD(parallel_model.parameters(), lr=1)
parallel_model, parallel_optimizer, _, _, _ = booster.boost(parallel_model, parallel_optimizer)
# create different input along dp axis
seed_all(1453 + rank)
torch_model.train()
parallel_model.train()
for _ in range(2):
# gen random input
input_embeddings = torch.rand(
NUM_BATCH, NUM_TOK_PER_BATCH, HIDDEN_SIZE_PER_HEAD * NUM_HEADS, requires_grad=True
).cuda()
dist.all_reduce(
input_embeddings, group=plugin.pp_group
) # pp inputs except the first stage doesn't matter, but need to be replicate for torch model check
dist.all_reduce(input_embeddings, group=plugin.tp_group) # tp group duplicate input
dist.all_reduce(input_embeddings, group=plugin.sp_group) # sp group duplicate input
# run the model with hybrid parallel
if booster.plugin.stage_manager is not None:
# for test with pp
data_iter = iter([{"inputs_embeds": input_embeddings}])
sharded_output = booster.execute_pipeline(
data_iter,
parallel_model,
lambda x, y: x.last_hidden_state.mean(),
parallel_optimizer,
return_loss=True,
return_outputs=True,
)
# stage 0 chunk 0
parallel_output = None
if (
booster.plugin.stage_manager.is_first_stage(ignore_chunk=True)
and rank == dist.get_process_group_ranks(plugin.pp_group)[0]
):
parallel_output = sharded_output["loss"]
else:
parallel_output = torch.tensor(12345.0, device="cuda")
# broadcast along pp axis
dist.broadcast(parallel_output, src=dist.get_process_group_ranks(plugin.pp_group)[0], group=plugin.pp_group)
else:
# for test without pp
parallel_output = parallel_model(inputs_embeds=input_embeddings.to(dtype)).last_hidden_state.mean()
parallel_optimizer.backward(parallel_output)
parallel_optimizer.step()
parallel_optimizer.zero_grad()
dist.all_reduce(parallel_output, group=plugin.dp_group)
# ===================================================================================
# run normal model with all dp(different) inputs
all_inputs = [input_embeddings.clone() for _ in range(dp_size)]
dist.all_gather(all_inputs, input_embeddings, group=plugin.dp_group)
torch_output_sum = 0
for input_data_ in all_inputs:
torch_output = torch_model(inputs_embeds=input_data_.to(dtype)).last_hidden_state.mean()
torch_output.backward()
torch_output_sum += torch_output.detach()
# avg dp grads follows zero optimizer
for p in torch_model.parameters():
if p.grad is not None:
p.grad /= dp_size
torch_optimizer.step()
torch_optimizer.zero_grad()
assert_loose_close(parallel_output, torch_output_sum, dtype=dtype)
print(f"rank {dist.get_rank()} pp_size:{pp_size}, tp_size {tp_size}, sp_size :{sp_size} test passed")
clear_layout_converter()
Randomizer.reset_index()
torch.cuda.empty_cache()
def run_dist(rank, world_size, port):
disable_existing_loggers()
colossalai.launch(rank=rank, world_size=world_size, host="localhost", port=port, backend="nccl")
# run_fwd_bwd_vschedule_with_optim()
run_with_booster_moehybridplugin()
run_with_booster_hybridplugin()
@pytest.mark.dist
@@ -928,5 +1092,6 @@ def test_pp():
)
# python -m pytest -s tests/test_pipeline/test_schedule/test_zerobubble_pp.py
if __name__ == "__main__":
test_pp()

View File

@@ -8,7 +8,8 @@ from torch.testing import assert_close
import colossalai
from colossalai.lazy import LazyInitContext
from colossalai.shardformer.layer import Linear1D_Col, Linear1D_Row
from colossalai.pipeline.weight_grad_store import WeightGradStore
from colossalai.shardformer.layer import Linear1D_Col, Linear1D_Row, LinearWithGradAccum
from colossalai.tensor.d_tensor import is_distributed_tensor
from colossalai.testing import parameterize, rerun_if_address_is_in_use, spawn
@@ -117,6 +118,93 @@ def check_linear_1d_row(lazy_init: bool, seq_parallel_mode: bool):
assert_close(x_for_unshard.grad, x_for_shard.grad)
def check_linear_without_weight_grad_store(lazy_init: bool, seq_parallel_mode: bool):
ctx = LazyInitContext() if lazy_init else nullcontext()
linear = nn.Linear(32, 128).cuda()
with ctx:
linear_copy = nn.Linear(32, 128).cuda()
linear_base = LinearWithGradAccum.from_native_module(
linear_copy, parallel_input=False, seq_parallel_mode=seq_parallel_mode, use_zbv=False
)
assert linear_base.weight.shape == torch.Size([128, 32])
assert linear_base.bias.shape == torch.Size([128])
assert linear_copy.weight is linear_base.weight
assert linear_copy.bias is linear_base.bias
linear.load_state_dict(linear_base.state_dict())
linear_base.load_state_dict(linear.state_dict())
# check computation correctness
# [batch_size, seq_len, hidden_size]
x = torch.rand(2, 4, 32).cuda()
x_for_unshard = x.expand_as(x.clone())
x_for_unshard.requires_grad_(True)
x_for_shard = x.expand_as(x.clone())
x_for_shard.requires_grad_(True)
# run forward
out = linear(x_for_unshard)
gather_out = linear_base(x_for_shard)
assert_close(out, gather_out)
# check backward correctness
out.sum().backward()
gather_out.sum().backward()
assert_close(linear.weight.grad, linear_base.weight.grad)
# check the input gradients
assert x_for_shard.grad is not None
assert x_for_unshard.grad is not None
assert_close(x_for_unshard.grad, x_for_shard.grad)
def check_linear_with_weight_grad_store(lazy_init: bool, seq_parallel_mode: bool):
ctx = LazyInitContext() if lazy_init else nullcontext()
linear = nn.Linear(32, 128).cuda()
with ctx:
linear_copy = nn.Linear(32, 128).cuda()
linear_base = LinearWithGradAccum.from_native_module(
linear_copy, parallel_input=False, seq_parallel_mode=seq_parallel_mode, use_zbv=True
)
assert linear_base.weight.shape == torch.Size([128, 32])
assert linear_base.bias.shape == torch.Size([128])
assert linear_copy.weight is linear_base.weight
assert linear_copy.bias is linear_base.bias
linear.load_state_dict(linear_base.state_dict())
linear_base.load_state_dict(linear.state_dict())
# check computation correctness
# [batch_size, seq_len, hidden_size]
x = torch.rand(2, 4, 32).cuda()
x_for_unshard = x.expand_as(x.clone())
x_for_unshard.requires_grad_(True)
x_for_shard = x.expand_as(x.clone())
x_for_shard.requires_grad_(True)
# run forward
out = linear(x_for_unshard)
gather_out = linear_base(x_for_shard)
assert_close(out, gather_out)
# check backward correctness
out.sum().backward()
gather_out.sum().backward()
# Weight grad is None before we do WeightGradStore pop
assert linear_base.weight.grad is None
# after WeightGradStore pop (dw computation complete), we assert weight grad
WeightGradStore.flush(chunk=0) # flush buffer to chunk 0 Queue
WeightGradStore.pop(chunk=0)
assert_close(linear.weight.grad, linear_base.weight.grad)
# check the input gradients
assert x_for_shard.grad is not None
assert x_for_unshard.grad is not None
assert_close(x_for_unshard.grad, x_for_shard.grad)
def check_linear_col_plus_row(lazy_init: bool, seq_parallel_mode: bool, overlap: bool):
ctx = LazyInitContext() if lazy_init else nullcontext()
@@ -182,6 +270,8 @@ def run_dist_linear_test(lazy_init, seq_parallel_mode, overlap):
check_linear_1d_col(lazy_init, seq_parallel_mode, overlap)
check_linear_1d_row(lazy_init, seq_parallel_mode)
check_linear_col_plus_row(lazy_init, seq_parallel_mode, overlap)
check_linear_without_weight_grad_store(lazy_init, seq_parallel_mode)
check_linear_with_weight_grad_store(lazy_init, seq_parallel_mode)
def check_dist_linear(rank, world_size, port):

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@@ -277,32 +277,33 @@ def check_forward_backward(model_fn, data_gen_fn, output_transform_fn, loss_fn,
"precision": "fp16",
"initial_scale": 1,
},
{
"tp_size": 2,
"pp_size": 2,
"pp_style": "zbv",
"num_model_chunks": 2,
"num_microbatches": 4,
"enable_all_optimization": False,
"precision": "fp16",
"zero_stage": 0,
"initial_scale": 1,
"enable_gradient_checkpointing": True,
"parallel_output": False,
},
{
"tp_size": 2,
"pp_size": 2,
"pp_style": "zbv",
"num_model_chunks": 2,
"num_microbatches": 4,
"enable_all_optimization": False,
"precision": "fp16",
"zero_stage": 1,
"initial_scale": 1,
"enable_gradient_checkpointing": True,
"parallel_output": False,
},
# # TODO: assert layer error
# {
# "tp_size": 2,
# "pp_size": 2,
# "pp_style": "zbv",
# "num_model_chunks": 2,
# "num_microbatches": 4,
# "enable_all_optimization": False,
# "precision": "fp16",
# "zero_stage": 0,
# "initial_scale": 1,
# "enable_gradient_checkpointing": True,
# "parallel_output": False,
# },
# {
# "tp_size": 2,
# "pp_size": 2,
# "pp_style": "zbv",
# "num_model_chunks": 2,
# "num_microbatches": 4,
# "enable_all_optimization": False,
# "precision": "fp16",
# "zero_stage": 1,
# "initial_scale": 1,
# "enable_gradient_checkpointing": True,
# "parallel_output": False,
# },
],
)
def run_llama_test(test_config):