# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from __future__ import print_function import unittest import unittest.mock from io import StringIO import paddle import paddle.nn as nn import paddle.static as static import paddle.nn.functional as F import paddle.utils as utils import paddle.tensor as tensor from paddle.fluid import layers from paddle.nn.layer.transformer import _convert_param_attr_to_list import paddle.distributed.auto_parallel as auto from paddle.distributed.auto_parallel.completion import Completer from paddle.distributed.auto_parallel.utils import check_distributed_attr_for_program from paddle.distributed.auto_parallel.utils import print_program_with_dist_attr from paddle.distributed.auto_parallel.utils import append_distributed_attr_suffix from paddle.distributed.auto_parallel.dist_context import DistributedContext from paddle.distributed.auto_parallel.dist_context import set_default_distributed_context paddle.enable_static() _global_parallel_strategy = None _global_process_mesh = None _global_process_mesh2 = None class MLPLayer(nn.Layer): def __init__(self, hidden_size=1024, intermediate_size=4 * 1024, dropout_ratio=0.1, initializer_range=0.02): super(MLPLayer, self).__init__() d_model = hidden_size dim_feedforward = intermediate_size weight_attr = paddle.ParamAttr(initializer=nn.initializer.Normal( mean=0.0, std=initializer_range)) bias_attr = None self.linear0 = nn.Linear( d_model, dim_feedforward, weight_attr, bias_attr=bias_attr) self.linear1 = nn.Linear( dim_feedforward, d_model, weight_attr, bias_attr=bias_attr) self.norm = nn.LayerNorm(d_model, epsilon=1e-5) self.dropout = nn.Dropout(dropout_ratio, mode="upscale_in_train") def forward(self, input): if _global_parallel_strategy == "mp": auto.shard_tensor( self.linear0.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) auto.shard_tensor( self.linear1.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( self.linear0.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) auto.shard_tensor( self.linear1.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [1, -1] }) elif _global_parallel_strategy == "pp": auto.shard_tensor( self.linear0.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) auto.shard_tensor( self.linear1.weight, dist_attr={ "process_mesh": _global_process_mesh2, "dims_mapping": [1, -1] }) out = self.norm(input) out = self.linear0(out) out = F.gelu(out, approximate=True) out = self.linear1(out) out = self.dropout(out) return out def mlp_pretrain_forward(train_program, start_program): with static.program_guard(train_program, start_program), utils.unique_name.guard(): batch_size = 4 hidden_size = 1024 sequence_len = 512 input = static.data( name="input", shape=[batch_size, sequence_len, hidden_size], dtype='float32') if _global_parallel_strategy == "dp": auto.shard_tensor( input, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( input, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1, -1] }) mlp = MLPLayer( hidden_size=hidden_size, intermediate_size=4 * hidden_size, dropout_ratio=0.1, initializer_range=0.02) out = mlp(input) return train_program, start_program class TestMLPAutoCompletion(unittest.TestCase): def test_mlp_dp(self): global _global_parallel_strategy _global_parallel_strategy = "dp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh(mesh=[0, 1, 2, 3]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = mlp_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) def test_mlp_mp(self): global _global_parallel_strategy _global_parallel_strategy = "mp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh(mesh=[0, 1, 2, 3]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = mlp_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) def test_mlp_dp_mp(self): global _global_parallel_strategy _global_parallel_strategy = "dp_mp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh( mesh=[[0, 1, 2, 3], [4, 5, 6, 7]]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = mlp_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) # def test_mlp_misc(self): # # import pdb # global _global_parallel_strategy # _global_parallel_strategy = "pp" # global _global_process_mesh # _global_process_mesh = auto.ProcessMesh( # mesh=[[0, 1], [2, 3]]) # global _global_process_mesh2 # _global_process_mesh2 = auto.ProcessMesh( # mesh=[[4, 5], [6, 7]]) # train_program = static.Program() # start_program = static.Program() # dist_context = DistributedContext() # train_program, start_program = mlp_pretrain_forward(train_program, # start_program) # # pdb.set_trace() # completer = Completer(dist_context) # complete_train_program = auto.completer.complete_forward_annotation(train_program) # # print_program_with_dist_attr(complete_train_program, # # dist_context) # dist_context.finalize_distributed_attr_for_program( # complete_train_program) # from paddle.distributed.auto_parallel.interface import _g_process_mesh_map # for block in complete_train_program.blocks: # for tensor in block.vars.values(): # desc = tensor.desc # attr_name = append_distributed_attr_suffix("mesh_id") # self.assertIsNotNone(desc.has_attr(attr_name)) # attr_name = append_distributed_attr_suffix("dims_mapping") # self.assertIsNotNone(desc.has_attr(attr_name)) # for op in block.ops: # desc = op.desc # attr_name = append_distributed_attr_suffix("mesh_id") # self.assertIsNotNone(desc.has_attr(attr_name)) # for tensor_name in desc.input_arg_names(): # attr_name = append_distributed_attr_suffix("IN_" + # tensor_name) # self.assertIsNotNone(desc.has_attr(attr_name)) # for tensor_name in desc.output_arg_names(): # attr_name = append_distributed_attr_suffix("OUT_" + # tensor_name) # self.assertIsNotNone(desc.has_attr(attr_name)) # set_default_distributed_context(dist_context) # self.assertTrue("dist_attr" in str(complete_train_program)) # with unittest.mock.patch( # "sys.stdout", new_callable=StringIO) as mock_stdout: # print_program_with_dist_attr(complete_train_program) # self.assertIsNotNone(mock_stdout.getvalue()) class AttentionLayer(nn.Layer): def __init__(self, hidden_size=1024, sequence_len=512, intermediate_size=4 * 1024, num_heads=16, dropout_ratio=0.1, initializer_range=0.02): super(AttentionLayer, self).__init__() self.hidden_size = hidden_size self.sequence_len = sequence_len self.embed_dim = self.hidden_size self.kdim = self.embed_dim self.vdim = self.embed_dim self.num_heads = num_heads self.head_dim = self.embed_dim // self.num_heads assert self.head_dim * self.num_heads == self.embed_dim, \ "embed_dim must be divisible by num_heads" self.dropout_ratio = dropout_ratio self.initializer_range = initializer_range self.training = True self.attn_mask = None weight_attr = paddle.ParamAttr(initializer=nn.initializer.Normal( mean=0.0, std=initializer_range)) bias_attr = None self.q_proj = nn.Linear( self.embed_dim, self.embed_dim, weight_attr, bias_attr=bias_attr) self.k_proj = nn.Linear( self.kdim, self.embed_dim, weight_attr, bias_attr=bias_attr) self.v_proj = nn.Linear( self.vdim, self.embed_dim, weight_attr, bias_attr=bias_attr) self.out_proj = nn.Linear( self.embed_dim, self.embed_dim, weight_attr, bias_attr=bias_attr) def forward(self, input): if _global_parallel_strategy == "dp": auto.shard_tensor( input, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( input, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1, -1] }) q = self.q_proj(input) q = tensor.reshape(x=q, shape=[0, 0, self.num_heads, self.head_dim]) q = tensor.transpose(x=q, perm=[0, 2, 1, 3]) k = self.k_proj(input) v = self.v_proj(input) if _global_parallel_strategy == "mp": auto.shard_tensor( self.q_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) auto.shard_tensor( self.k_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) auto.shard_tensor( self.v_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( self.q_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) auto.shard_tensor( self.k_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) auto.shard_tensor( self.v_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) k = tensor.reshape(x=k, shape=[0, 0, self.num_heads, self.head_dim]) k = tensor.transpose(x=k, perm=[0, 2, 1, 3]) v = tensor.reshape(x=v, shape=[0, 0, self.num_heads, self.head_dim]) v = tensor.transpose(x=v, perm=[0, 2, 1, 3]) # scale dot product attention product = layers.matmul( x=q, y=k, transpose_y=True, alpha=self.head_dim**-0.5) if self.attn_mask is not None: product = product + self.attn_mask weights = F.softmax(product) if self.dropout_ratio: weights = F.dropout( weights, self.dropout_ratio, training=self.training, mode="upscale_in_train") out = tensor.matmul(weights, v) # combine heads out = tensor.transpose(out, perm=[0, 2, 1, 3]) out = tensor.reshape(x=out, shape=[0, 0, out.shape[2] * out.shape[3]]) # project to output out = self.out_proj(out) if _global_parallel_strategy == "mp": auto.shard_tensor( self.out_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( self.out_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [1, -1] }) return out def attn_pretrain_forward(train_program, start_program): with static.program_guard(train_program, start_program), utils.unique_name.guard(): batch_size = 4 hidden_size = 1024 sequence_len = 512 input = static.data( name="query", shape=[batch_size, sequence_len, hidden_size], dtype='float32') attn = AttentionLayer( hidden_size=hidden_size, sequence_len=sequence_len, intermediate_size=4 * hidden_size, num_heads=16, dropout_ratio=0.1, initializer_range=0.02) out = attn(input) return train_program, start_program class TestAttentionAutoCompletion(unittest.TestCase): def test_attn_dp(self): global _global_parallel_strategy _global_parallel_strategy = "dp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh(mesh=[0, 1, 2, 3]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = attn_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) # print_program_with_dist_attr(complete_train_program, # dist_context) self.assertTrue(dist_context.validate_dist_attr_for_program()) def test_attn_mp(self): global _global_parallel_strategy _global_parallel_strategy = "mp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh(mesh=[0, 1, 2, 3]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = attn_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) def test_attn_dp_mp(self): global _global_parallel_strategy _global_parallel_strategy = "dp_mp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh( mesh=[[0, 1, 2, 3], [4, 5, 6, 7]]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = attn_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) class DecoderLayer(nn.Layer): def __init__(self, vocab_size=32768, hidden_size=1024, sequence_len=512, max_position_embeddings=512, intermediate_size=4 * 1024, num_heads=16, dropout_ratio=0.1, initializer_range=0.02): super(DecoderLayer, self).__init__() self.vocab_size = vocab_size self.hidden_size = hidden_size self.max_position_embeddings = max_position_embeddings self.sequence_len = sequence_len self.embed_dim = self.hidden_size self.kdim = self.embed_dim self.vdim = self.embed_dim self.num_heads = num_heads self.dropout_ratio = dropout_ratio self.initializer_range = initializer_range self.training = True self.attn_mask = None self.head_dim = self.embed_dim // self.num_heads assert self.head_dim * self.num_heads == self.embed_dim, \ "embed_dim must be divisible by num_heads" self.word_embeddings = nn.Embedding( self.vocab_size, self.hidden_size, weight_attr=paddle.ParamAttr( name="word_embeddings", initializer=nn.initializer.Normal( mean=0.0, std=self.initializer_range))) self.position_embeddings = nn.Embedding( self.max_position_embeddings, self.hidden_size, weight_attr=paddle.ParamAttr( name="pos_embeddings", initializer=nn.initializer.Normal( mean=0.0, std=self.initializer_range))) weight_attr = paddle.ParamAttr(initializer=nn.initializer.Normal( mean=0.0, std=self.initializer_range)) bias_attr = None self.q_proj = nn.Linear( self.embed_dim, self.embed_dim, weight_attr, bias_attr=bias_attr) self.k_proj = nn.Linear( self.kdim, self.embed_dim, weight_attr, bias_attr=bias_attr) self.v_proj = nn.Linear( self.vdim, self.embed_dim, weight_attr, bias_attr=bias_attr) self.out_proj = nn.Linear( self.embed_dim, self.embed_dim, weight_attr, bias_attr=bias_attr) intermediate_size = 4 * self.hidden_size d_model = self.hidden_size dim_feedforward = intermediate_size weight_attr = paddle.ParamAttr(initializer=nn.initializer.Normal( mean=0.0, std=self.initializer_range)) bias_attr = None self.linear0 = nn.Linear( d_model, dim_feedforward, weight_attr, bias_attr=bias_attr) self.linear1 = nn.Linear( dim_feedforward, d_model, weight_attr, bias_attr=bias_attr) self.norm1 = nn.LayerNorm(d_model, epsilon=1e-5) self.norm2 = nn.LayerNorm(d_model, epsilon=1e-5) self.dropout1 = nn.Dropout(self.dropout_ratio) self.dropout2 = nn.Dropout(self.dropout_ratio, mode="upscale_in_train") self.dropout3 = nn.Dropout(self.dropout_ratio, mode="upscale_in_train") def forward(self, input_ids, position_ids): if _global_parallel_strategy == "dp": auto.shard_tensor( input_ids, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( input_ids, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1] }) input_embeddings = self.word_embeddings(input_ids) position_embeddings = self.position_embeddings(position_ids) if _global_parallel_strategy == "mp": auto.shard_tensor( self.word_embeddings.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( self.word_embeddings.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [1, -1] }) embeddings = input_embeddings + position_embeddings embeddings = self.dropout1(embeddings) # Pre-norm target = self.norm1(embeddings) # The following is the attention part q = self.q_proj(target) q = tensor.reshape(x=q, shape=[0, 0, self.num_heads, self.head_dim]) q = tensor.transpose(x=q, perm=[0, 2, 1, 3]) k = self.k_proj(target) v = self.v_proj(target) if _global_parallel_strategy == "mp": auto.shard_tensor( self.q_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) auto.shard_tensor( self.k_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) auto.shard_tensor( self.v_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( self.q_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) auto.shard_tensor( self.k_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) auto.shard_tensor( self.v_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) k = tensor.reshape(x=k, shape=[0, 0, self.num_heads, self.head_dim]) k = tensor.transpose(x=k, perm=[0, 2, 1, 3]) v = tensor.reshape(x=v, shape=[0, 0, self.num_heads, self.head_dim]) v = tensor.transpose(x=v, perm=[0, 2, 1, 3]) # scale dot product attention product = layers.matmul( x=q, y=k, transpose_y=True, alpha=self.head_dim**-0.5) if self.attn_mask is not None: product = product + self.attn_mask weights = F.softmax(product) if self.dropout_ratio: weights = F.dropout( weights, self.dropout_ratio, training=self.training, mode="upscale_in_train") out = tensor.matmul(weights, v) # combine heads out = tensor.transpose(out, perm=[0, 2, 1, 3]) out = tensor.reshape(x=out, shape=[0, 0, out.shape[2] * out.shape[3]]) # project to output out = self.out_proj(out) if _global_parallel_strategy == "mp": auto.shard_tensor( self.out_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( self.out_proj.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [1, -1] }) # Add residual residual = embeddings + self.dropout2(out) # Pre-norm out0 = self.norm2(residual) # The following is the MLP part out1 = self.linear0(out0) out2 = F.gelu(out1, approximate=True) out3 = self.linear1(out2) if _global_parallel_strategy == "mp": auto.shard_tensor( self.linear0.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 0] }) auto.shard_tensor( self.linear1.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [0, -1] }) elif _global_parallel_strategy == "dp_mp": auto.shard_tensor( self.linear0.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [-1, 1] }) auto.shard_tensor( self.linear1.weight, dist_attr={ "process_mesh": _global_process_mesh, "dims_mapping": [1, -1] }) # Add residual final = residual + self.dropout3(out3) return final def decoder_pretrain_forward(train_program, start_program): with static.program_guard(train_program, start_program), utils.unique_name.guard(): batch_size = 4 hidden_size = 1024 sequence_len = 512 input_ids = static.data( name="input_ids", shape=[batch_size, sequence_len], dtype='int64') position_ids = static.data( name="position_ids", shape=[batch_size, sequence_len], dtype='int64') decoder = DecoderLayer( vocab_size=32768, hidden_size=hidden_size, sequence_len=sequence_len, max_position_embeddings=512, intermediate_size=4 * hidden_size, num_heads=16, dropout_ratio=0.1, initializer_range=0.02) out = decoder(input_ids, position_ids) return train_program, start_program class TestDecoderLayerAutoCompletion(unittest.TestCase): def test_decoder_dp(self): global _global_parallel_strategy _global_parallel_strategy = "dp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh(mesh=[0, 1, 2, 3]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = decoder_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) def test_decoder_mp(self): global _global_parallel_strategy _global_parallel_strategy = "mp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh(mesh=[0, 1, 2, 3]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = decoder_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) def test_decoder_dp_mp(self): global _global_parallel_strategy _global_parallel_strategy = "dp_mp" global _global_process_mesh _global_process_mesh = auto.ProcessMesh( mesh=[[0, 1, 2, 3], [4, 5, 6, 7]]) train_program = static.Program() start_program = static.Program() dist_context = DistributedContext() train_program, start_program = decoder_pretrain_forward(train_program, start_program) completer = Completer(dist_context) complete_train_program = completer.complete_forward_annotation( train_program) self.assertTrue(dist_context.validate_dist_attr_for_program()) if __name__ == "__main__": unittest.main()