619 lines
24 KiB
Python
619 lines
24 KiB
Python
# Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import os
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import random
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from dataclasses import dataclass
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from functools import reduce
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import numpy as np
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from single_llama_model import LlamaForCausalLM, LlamaPretrainingCriterion
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from single_lora_model import LoRAModel
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import paddle
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import paddle.distributed as dist
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from paddle import LazyGuard
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from paddle.distributed.auto_parallel.intermediate.parallelize import (
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parallelize_model,
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parallelize_optimizer,
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)
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from paddle.io import BatchSampler, DataLoader, Dataset
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def is_pp_enable():
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global_mesh = dist.auto_parallel.get_mesh()
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return "pp" in global_mesh.dim_names
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def get_mesh(pp_idx=None):
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global_mesh = dist.auto_parallel.get_mesh()
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assert global_mesh is not None, "global_mesh is not initialized!"
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if pp_idx is None:
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return global_mesh
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if is_pp_enable():
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mesh = global_mesh.get_mesh_with_dim("pp")[pp_idx]
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return mesh
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else:
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return global_mesh
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class Config:
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vocab_size = 8192
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hidden_size = 512
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intermediate_size = 2048
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seq_length = 512
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num_hidden_layers = 2
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num_attention_heads = 8
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rms_norm_eps = 1e-6
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use_lazy_init = False
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context_parallel = False
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sep_parallel = False
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@dataclass
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class LoRaConfig:
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r = 8
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lora_alpha = 8
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lora_dropout = 0.0
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rslora = False
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lora_plus_scale = 1.0
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pissa = False
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use_quick_lora = False
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lora_use_mixer = False
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use_mora = False
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trainable_bias = False
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trainable_modules = None
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target_modules = [
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".*q_proj.*",
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".*v_proj.*",
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".*k_proj.*",
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".*o_proj.*",
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".*qkv_proj.*",
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".*gate_proj.*",
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".*down_proj.*",
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".*up_proj.*",
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".*gate_up_fused_proj.*",
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]
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class RandomDataset(Dataset):
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def __init__(self, seq_len, num_samples=100):
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super().__init__()
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self.seq_len = seq_len
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self.num_samples = num_samples
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def __getitem__(self, index):
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input = np.random.uniform(size=[self.seq_len]).astype("int64")
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label = (np.random.uniform(size=[self.seq_len]) * 10).astype("int64")
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return input, label
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def __len__(self):
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return self.num_samples
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def create_optimizer(model, lr_scheduler):
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decay_parameters = [
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p.name
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for n, p in model.named_parameters()
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if not any(nd in n for nd in ["bias", "norm"])
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]
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def apply_decay_param_fun(x):
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return x in decay_parameters
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# test global_clip in auto_parallel
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if os.getenv("use_param_group") == "true":
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param_group = {}
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param_group["params"] = list(model.parameters())
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param_group["weight_decay"] = 0.01
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param_group["grad_clip"] = paddle.nn.ClipGradByGlobalNorm(1.0)
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optimizer = paddle.optimizer.adamw.AdamW(
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learning_rate=lr_scheduler,
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apply_decay_param_fun=apply_decay_param_fun,
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parameters=[param_group],
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)
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else:
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optimizer = paddle.optimizer.adamw.AdamW(
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learning_rate=lr_scheduler,
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apply_decay_param_fun=apply_decay_param_fun,
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parameters=model.parameters(),
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weight_decay=0.01,
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grad_clip=paddle.nn.ClipGradByGlobalNorm(1.0),
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)
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return optimizer
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class TestParallelAPI:
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def __init__(self):
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self.config = Config()
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self.lora_config = LoRaConfig()
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self.dp = int(os.getenv("dp"))
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self.mp = int(os.getenv("mp"))
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self.pp = int(os.getenv("pp"))
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self.sep = int(os.getenv("sep", "1"))
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if os.getenv("use_lazy_init") == "true":
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self.config.use_lazy_init = True
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self.gradient_accumulation_steps = int(os.getenv("acc_step"))
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self.amp = False
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self.amp_dtype = "float16"
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self.amp_level = "O1"
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self.amp_master_grad = False
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if os.getenv("amp") == "true":
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self.amp = True
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if os.getenv("amp_dtype") in ["float16", "bfloat16"]:
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self.amp_dtype = os.getenv("amp_dtype")
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if os.getenv("amp_level") in ["O0", "O1", "O2"]:
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self.amp_level = os.getenv("amp_level")
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if os.getenv("amp_master_grad") == "true":
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self.amp_master_grad = True
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self.level = os.getenv("sharding_stage", "0")
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self.sequence_parallel = False
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if os.getenv("sequence_parallel") == "true":
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self.sequence_parallel = True
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self.config.context_parallel = False
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if os.getenv("context_parallel", "false") == "true":
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self.config.context_parallel = True
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self.config.sep_parallel = False
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if os.getenv("sep_parallel", "false") == "true":
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self.config.sep_parallel = True
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self.prepare_input_output = False
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if os.getenv("prepare_input_output") == "true":
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self.sequence_parallel = True
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if self.sep > 1:
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assert (
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self.config.context_parallel is True
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and self.config.sep_parallel is False
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) or (
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self.config.context_parallel is False
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and self.config.sep_parallel is True
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), (
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"when sep > 1, either context_parallel or sep_parallel should be true"
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)
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num_hidden_layers = os.getenv("num_hidden_layers")
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if num_hidden_layers:
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self.config.num_hidden_layers = int(num_hidden_layers)
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self.one_api = False
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if os.getenv("one_api") == "true":
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self.one_api = True
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seed = int(os.getenv("seed", 2024))
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self.share_embedding = int(os.getenv("test_share_embedding", "0"))
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self.position_embedding = int(os.getenv("test_position_embedding", "0"))
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self.test_lora = int(os.getenv("test_lora", "0"))
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np.random.seed(seed)
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random.seed(seed)
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paddle.seed(seed)
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self.init_dist_env()
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def init_dist_env(self):
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mesh_dims = [
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("dp", self.dp),
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("pp", self.pp),
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("mp", self.mp),
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("sep", self.sep),
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]
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if self.pp * self.mp == 1:
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mesh_dims = [("dp", self.dp)]
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dim_names = [mesh_dim[0] for mesh_dim in mesh_dims]
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mesh_shape = [mesh_dim[1] for mesh_dim in mesh_dims]
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mesh_arr = np.arange(
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0, reduce(lambda x, y: x * y, mesh_shape, 1)
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).reshape(mesh_shape)
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global_mesh = dist.ProcessMesh(mesh_arr, dim_names)
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dist.auto_parallel.set_mesh(global_mesh)
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def check_mp(self, layer):
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if self.mp == 1:
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return
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for name, sub_layer in layer.named_sublayers():
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if len(sub_layer.sublayers()) == 0:
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if 'q_proj' in name or 'k_proj' in name or 'v_proj' in name:
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assert sub_layer.weight.placements == [
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dist.Replicate(),
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dist.Shard(1),
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dist.Replicate(), # cp
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]
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assert sub_layer.bias.placements == [
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dist.Replicate(),
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dist.Shard(0),
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dist.Replicate(), # cp
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]
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if self.test_lora:
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assert sub_layer.lora_B.placements == [
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dist.Replicate(),
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dist.Shard(1),
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dist.Replicate(), # cp
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]
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if 'gate_proj' in name or 'up_proj' in name:
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assert sub_layer.weight.placements == [
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dist.Replicate(),
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dist.Shard(1),
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dist.Replicate(), # cp
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]
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if self.test_lora:
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assert sub_layer.lora_B.placements == [
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dist.Replicate(),
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dist.Shard(1),
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dist.Replicate(), # cp
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]
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if (
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'embed_tokens' in name or 'lm_head' in name
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) and not self.share_embedding:
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assert sub_layer.weight.placements == [
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dist.Replicate(),
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dist.Shard(1),
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dist.Replicate(), # cp
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]
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if 'o_proj' in name:
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assert sub_layer.weight.placements == [
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dist.Replicate(),
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dist.Shard(0),
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dist.Replicate(), # cp
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], f'{name} , {sub_layer.weight.name} , {sub_layer.weight}'
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if self.test_lora:
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assert sub_layer.lora_A.placements == [
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dist.Replicate(),
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dist.Shard(0),
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dist.Replicate(), # cp
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]
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# assert sub_layer.bias.placements is None
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if 'down_proj' in name:
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assert sub_layer.weight.placements == [
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dist.Replicate(),
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dist.Shard(0),
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dist.Replicate(), # cp
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]
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if self.test_lora:
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assert sub_layer.lora_A.placements == [
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dist.Replicate(),
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dist.Shard(0),
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dist.Replicate(), # cp
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]
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def check_lora(self, layer):
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if not self.test_lora:
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return
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for name, sub_layer in layer.named_sublayers():
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if len(sub_layer.sublayers()) == 0:
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if 'q_proj' in name or 'k_proj' in name or 'v_proj' in name:
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assert sub_layer.weight.stop_gradient
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assert not sub_layer.lora_A.stop_gradient
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assert not sub_layer.lora_B.stop_gradient
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if 'gate_proj' in name or 'up_proj' in name:
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assert sub_layer.weight.stop_gradient
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assert not sub_layer.lora_A.stop_gradient
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assert not sub_layer.lora_B.stop_gradient
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if (
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'embed_tokens' in name or 'lm_head' in name
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) and not self.share_embedding:
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assert sub_layer.weight.stop_gradient
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if 'o_proj' in name:
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assert sub_layer.weight.stop_gradient, (
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f'{name} , {sub_layer.weight.name} , {sub_layer.weight}'
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)
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assert not sub_layer.lora_A.stop_gradient
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assert not sub_layer.lora_B.stop_gradient
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# assert sub_layer.bias.stop_gradient is None
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if 'down_proj' in name:
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assert sub_layer.weight.stop_gradient
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assert not sub_layer.lora_A.stop_gradient
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assert not sub_layer.lora_B.stop_gradient
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def parallel_model(self, layer):
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dp_config = None
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mp_config = None
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pp_config = None
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cp_config = None
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prefix = "model." if self.test_lora else ""
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if self.pp > 1:
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# decoders_per_rank = self.config.num_hidden_layers // self.pp
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# split_spec = {
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# ff"{prefix}llama.layers.{i * decoders_per_rank - 1}": SplitPoint.END
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# for i in range(1, self.pp)
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# }
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pp_config = {
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'split_spec': f"{prefix}llama.layers",
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"global_spec": f"{prefix}llama.global_layer",
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}
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if self.dp > 1:
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dp_config = {'sharding_level': self.level}
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if self.mp > 1:
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if not self.sequence_parallel:
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plan = {
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f"{prefix}llama.embed_tokens": dist.ColWiseParallel(
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gather_output=True
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),
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f"{prefix}llama.position_embedding": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.q_proj": dist.ColWiseParallel(
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gather_output=True
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),
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f"{prefix}llama.layers.*.self_attn.q_proj.lora_B": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.k_proj": dist.ColWiseParallel(
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gather_output=True
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),
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f"{prefix}llama.layers.*.self_attn.k_proj.lora_B": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.v_proj": dist.ColWiseParallel(
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gather_output=True
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),
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f"{prefix}llama.layers.*.self_attn.v_proj.lora_B": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.o_proj": dist.RowWiseParallel(
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is_input_parallel=False
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),
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f"{prefix}llama.layers.*.self_attn.o_proj.lora_A": dist.RowWiseParallel(),
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f"{prefix}llama.layers.*.mlp.gate_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.gate_proj.lora_B": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.up_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.up_proj.lora_B": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.down_proj": dist.RowWiseParallel(),
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f"{prefix}llama.layers.*.mlp.down_proj.lora_A": dist.RowWiseParallel(),
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f"{prefix}lm_head.weight": dist.ColWiseParallel(),
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}
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else:
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if self.prepare_input_output:
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plan = {
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f"{prefix}llama.embed_tokens": dist.ColWiseParallel(),
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f"{prefix}llama.position_embedding": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.q_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.k_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.v_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.o_proj": dist.RowWiseParallel(),
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f"{prefix}llama.layers.*.mlp.gate_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.up_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.down_proj": dist.RowWiseParallel(),
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f"{prefix}lm_head.weight": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.input_layernorm": dist.SequenceParallelEnable(),
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f"{prefix}llama.layers.*.post_attention_layernorm": dist.SequenceParallelEnable(),
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f"{prefix}llama.norm": dist.SequenceParallelEnable(),
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}
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else:
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plan = {
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f"{prefix}llama.embed_tokens": [
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dist.ColWiseParallel(),
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dist.SequenceParallelBegin(),
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],
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f"{prefix}llama.position_embedding": [
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dist.ColWiseParallel(),
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dist.SequenceParallelBegin(),
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],
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f"{prefix}llama.layers.*.self_attn.q_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.k_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.v_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.self_attn.o_proj": dist.RowWiseParallel(),
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f"{prefix}llama.layers.*.self_attn": dist.SequenceParallelDisable(),
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f"{prefix}llama.layers.*.mlp.gate_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.up_proj": dist.ColWiseParallel(),
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f"{prefix}llama.layers.*.mlp.down_proj": dist.RowWiseParallel(),
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f"{prefix}llama.layers.*.mlp": dist.SequenceParallelDisable(
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need_transpose=False
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),
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f"{prefix}lm_head.weight": dist.ColWiseParallel(),
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f"{prefix}lm_head": dist.SequenceParallelEnd(),
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}
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mp_config = {'parallelize_plan': plan}
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if self.sep > 1:
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if not (
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self.config.context_parallel is True
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and (
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os.getenv("backend") != "gpu"
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or not self.amp
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or int(paddle.version.cuda().split(".")[0]) < 11
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or paddle.device.cuda.get_device_capability()[0] < 8
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)
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):
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bck = 'p2p'
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if self.config.context_parallel is True:
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bck = 'p2p'
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elif self.config.sep_parallel is True:
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bck = 'all2all'
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else:
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logging.error(
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f"when sep > 1, should set context_parallel or sep_parallel, but got sep_parallel={self.config.sep_parallel}, context_parallel={self.context_parallel}"
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)
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plan = {
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f"{prefix}llama": dist.PrepareContextParallel(backend=bck),
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f"{prefix}llama.layers.*.self_attn.sdpa": dist.ContextParallel(
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backend=bck
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),
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}
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cp_config = {'parallelize_plan': plan}
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lr_scheduler = paddle.optimizer.lr.LinearWarmup(
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learning_rate=0.0001, warmup_steps=2, start_lr=0, end_lr=0.0001
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)
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config = {
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'dp_config': dp_config,
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'mp_config': mp_config,
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'pp_config': pp_config,
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'cp_config': cp_config,
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}
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if self.one_api:
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optimizer = create_optimizer(layer, lr_scheduler)
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model, optimizer = dist.parallelize(
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layer,
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optimizer,
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config=config,
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)
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else:
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layer = parallelize_model(
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layer,
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config=config,
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)
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optimizer = create_optimizer(layer, lr_scheduler)
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optimizer = parallelize_optimizer(
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optimizer,
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config=config,
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)
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self.check_mp(layer)
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self.check_lora(layer)
|
|
return layer, optimizer, lr_scheduler
|
|
|
|
def run_llama(self, to_static=0):
|
|
if self.config.use_lazy_init:
|
|
with LazyGuard():
|
|
model = LlamaForCausalLM(
|
|
self.config, self.share_embedding, self.position_embedding
|
|
)
|
|
else:
|
|
model = LlamaForCausalLM(
|
|
self.config, self.share_embedding, self.position_embedding
|
|
)
|
|
if self.test_lora:
|
|
if self.config.use_lazy_init:
|
|
with LazyGuard():
|
|
model = LoRAModel(model, self.lora_config)
|
|
else:
|
|
model = LoRAModel(model, self.lora_config)
|
|
model, optimizer, lr_scheduler = self.parallel_model(model)
|
|
|
|
criterion = LlamaPretrainingCriterion(self.config)
|
|
|
|
if self.config.use_lazy_init:
|
|
for param in model.parameters():
|
|
assert not param._is_initialized()
|
|
param.initialize()
|
|
|
|
if self.amp and not to_static:
|
|
model, optimizer = paddle.amp.decorate(
|
|
models=model,
|
|
optimizers=optimizer,
|
|
level=self.amp_level,
|
|
dtype=self.amp_dtype,
|
|
master_grad=self.amp_master_grad,
|
|
)
|
|
|
|
train_dataset = RandomDataset(self.config.seq_length)
|
|
train_sampler = BatchSampler(
|
|
train_dataset,
|
|
batch_size=2,
|
|
shuffle=True,
|
|
drop_last=True,
|
|
)
|
|
train_dataloader = DataLoader(
|
|
train_dataset,
|
|
batch_sampler=train_sampler,
|
|
num_workers=0,
|
|
)
|
|
|
|
if self.pp == 1:
|
|
meshes = [get_mesh(0)]
|
|
elif self.pp > 1:
|
|
meshes = [get_mesh(0), get_mesh(-1)]
|
|
else:
|
|
raise ValueError("pp should be greater or equal to 1")
|
|
|
|
dist_loader = dist.shard_dataloader(
|
|
dataloader=train_dataloader,
|
|
meshes=meshes,
|
|
shard_dims="dp",
|
|
)
|
|
|
|
global_step = 1
|
|
tr_loss = float(0)
|
|
|
|
if not to_static:
|
|
model.train()
|
|
scaler = None
|
|
if self.amp and self.amp_dtype == "float16":
|
|
scaler = paddle.amp.GradScaler(init_loss_scaling=1024)
|
|
scaler = dist.shard_scaler(scaler)
|
|
|
|
for step, inputs in enumerate(dist_loader()):
|
|
input_ids, labels = inputs
|
|
custom_black_list = [
|
|
"reduce_sum",
|
|
"c_softmax_with_cross_entropy",
|
|
]
|
|
custom_white_list = []
|
|
if self.amp_level == "O2":
|
|
custom_white_list.extend(
|
|
["lookup_table", "lookup_table_v2"]
|
|
)
|
|
with paddle.amp.auto_cast(
|
|
self.amp,
|
|
custom_black_list=set(custom_black_list),
|
|
custom_white_list=set(custom_white_list),
|
|
level=self.amp_level,
|
|
dtype=self.amp_dtype,
|
|
):
|
|
logits = model(input_ids)
|
|
tr_loss_step = criterion(logits, labels)
|
|
|
|
if self.gradient_accumulation_steps > 1:
|
|
tr_loss_step /= self.gradient_accumulation_steps
|
|
if scaler is not None:
|
|
scaler.scale(tr_loss_step).backward()
|
|
else:
|
|
tr_loss_step.backward()
|
|
tr_loss += tr_loss_step
|
|
|
|
if global_step % self.gradient_accumulation_steps == 0:
|
|
logging.info(
|
|
f"step: {global_step // self.gradient_accumulation_steps} loss: {tr_loss.numpy()}"
|
|
)
|
|
if scaler is not None:
|
|
scaler.step(optimizer)
|
|
scaler.update()
|
|
else:
|
|
optimizer.step()
|
|
optimizer.clear_grad()
|
|
lr_scheduler.step()
|
|
tr_loss = 0
|
|
|
|
global_step += 1
|
|
if global_step // self.gradient_accumulation_steps >= 3:
|
|
break
|
|
else:
|
|
strategy = dist.Strategy()
|
|
if self.gradient_accumulation_steps > 1:
|
|
strategy.pipeline.accumulate_steps = (
|
|
self.gradient_accumulation_steps
|
|
)
|
|
|
|
if self.amp:
|
|
amp = strategy.amp
|
|
amp.enable = self.amp
|
|
amp.dtype = self.amp_dtype
|
|
amp.level = self.amp_level.lower()
|
|
if self.amp_master_grad:
|
|
amp.use_master_grad = True
|
|
|
|
dist_model = dist.to_static(
|
|
model,
|
|
dist_loader,
|
|
criterion,
|
|
optimizer,
|
|
strategy=strategy,
|
|
)
|
|
|
|
dist_model.train()
|
|
for step, inputs in enumerate(dist_loader()):
|
|
input_ids, labels = inputs
|
|
loss = dist_model(input_ids, labels)
|
|
logging.info(f"step: {step} loss: {loss}")
|
|
if step >= 3:
|
|
break
|
|
|
|
def run_test_cases(self):
|
|
self.run_llama(0)
|
|
if self.sep == 1:
|
|
# sep now only support dynamic mode
|
|
self.run_llama(1)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
TestParallelAPI().run_test_cases()
|