[Shardformer] Merge flash attention branch to pipeline branch (#4362)

* [shardformer] supported flash attention test dependency (#4158)

* [shardformer] fix flash attention utils test (#4180)

* [shardformer] opt support flash attention (#4163)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] add performance benchmark of shardformer (#4175)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] benchmark fix

* [shardformer] benchmark fix

* [shardformer] llama support flash attention (#4185)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] llama support flash attention

* [shardformer] llama support flash attention

* [shardformer] Move the import statement for xformer outside the forward function.

* [shardformer] gpt2 support flash attention. (#4191)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] gpt2 support flash attention

* [shardformer] gpt2 support flash attention

* [shardformer] gpt2 support flash attention

* [shardformer] bloom support flash attention (#4188)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] bloom suport flash attention

* [shardformer] add assert to sequence length

* [shardformer] fix

* [shardformer] fix

* [shardformer] fix

* [shardformer] bert support flash attention. (#4206)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] bert support flash attention

* [shardformer] t5 support flash attention. (#4216)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] t5 support flash attention

* [shardformer] t5 support flash attention

* fix typo

* fix typo

* fix typo

* fix typo

* fix typo

* fix typo

* [shardformer] support 'paddedcausal'  type of attention mask in Coloattention. (#4215)

* added padded causal attn mask type for ColoAttention

* [shardformer]t5 flash attention fix (#4239)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] t5 flash attention fix

* [shardformer] update gpt2 to use coloattention. (#4234)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] update gpt2 to use coloattention

* [shardformer] update gpt2 to use coloattention

* [shardformer] update gpt2 to use coloattention

* [shardformer] update gpt2 to use coloattention

* [shardformer] update gpt2

* [shardformer] update opt and llama to use coloattention. (#4226)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* update opt to use coloattention

* [shardformer]update opt to use coloattention

* [shardformer]update opt to use coloattention

* [shardformer]update opt to use coloattention

* [shardformer]update opt to use coloattention

* [shardformer]update opt to use coloattention

* [shardformer]update opt to use coloattention

* [shardformer]update opt

* [shardformer] shardformer support jit fused operator. (#4236)

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] opt support flash attention

* [shardformer] move to modeling

* [shardformer] move to modeling

* [shardformer] bloom support jit fused operator

* [shardformer] bloom support jit fused operator

* [shardformer] bloom support jit fused operator

* [shardformer] t5 support jit fused operator

* [shardformer] t5 support jit fused operator

* [shardformer] t5 support jit fused operator

* [shardformer] add roadmap of flash attention

* [shardformer] add roadmap of flash attention

* [shardformer] add roadmap of flash attention

* [shardformer] add type hint to 'self' param of forward

* [shardformer] merge feature/shardformer-models branch to feature/flash-attention-shardformer branch. (#4290)

* Feature/vit support (#4182)

* [shardformer] added tests

* [shardformer] vit test finish and support

* fix attention dropout

* [shardformer] support SAM (#4231)

* 1.support sam 2.add fused qkv for nn.Linear

* update utils support set element in list

* overtwrite SamVisionAttention foward to use DropoutForParallelInput

* remove unused code

* [shardformer] support whisper (#4212)

* support whisper

* fix bug in vocabembedding

* support downstream model of whisper

* update readme

* Feature/chatglm (#4240)

* [shardformer] added tests

* [shardformer] vit test finish and support

* [shardformer] chatglm ready

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] chatglm shard without mlp sharding

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] fix chatglm configuration with pre-commit

---------

Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>

* [shardformer] whisper support flash attention (#4301)

* Feature/vit support (#4182)

* [shardformer] added tests

* [shardformer] vit test finish and support

* fix attention dropout

* [shardformer] support SAM (#4231)

* 1.support sam 2.add fused qkv for nn.Linear

* update utils support set element in list

* overtwrite SamVisionAttention foward to use DropoutForParallelInput

* remove unused code

* [shardformer] support whisper (#4212)

* support whisper

* fix bug in vocabembedding

* support downstream model of whisper

* update readme

* Feature/chatglm (#4240)

* [shardformer] added tests

* [shardformer] vit test finish and support

* [shardformer] chatglm ready

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] chatglm shard without mlp sharding

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] fix chatglm configuration with pre-commit

* [shardformer] whisper support flash attention

* [shardformer] whisper support flash attention

* [shardformer]whisper support jit operator

---------

Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>

* [shardformer] sam support flash attention (#4316)

* Feature/vit support (#4182)

* [shardformer] added tests

* [shardformer] vit test finish and support

* fix attention dropout

* [shardformer] support SAM (#4231)

* 1.support sam 2.add fused qkv for nn.Linear

* update utils support set element in list

* overtwrite SamVisionAttention foward to use DropoutForParallelInput

* remove unused code

* [shardformer] support whisper (#4212)

* support whisper

* fix bug in vocabembedding

* support downstream model of whisper

* update readme

* Feature/chatglm (#4240)

* [shardformer] added tests

* [shardformer] vit test finish and support

* [shardformer] chatglm ready

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] chatglm shard without mlp sharding

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] fix chatglm configuration with pre-commit

* [shardformer] sam support flash attention

---------

Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>

* [shardformer] merge blip2/chatglm  (#4321)

* Feature/vit support (#4182)

* [shardformer] added tests

* [shardformer] vit test finish and support

* fix attention dropout

* [shardformer] support SAM (#4231)

* 1.support sam 2.add fused qkv for nn.Linear

* update utils support set element in list

* overtwrite SamVisionAttention foward to use DropoutForParallelInput

* remove unused code

* [shardformer] support whisper (#4212)

* support whisper

* fix bug in vocabembedding

* support downstream model of whisper

* update readme

* Feature/chatglm (#4240)

* [shardformer] added tests

* [shardformer] vit test finish and support

* [shardformer] chatglm ready

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] chatglm shard without mlp sharding

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] fix chatglm configuration with pre-commit

* [shardformer] added tests

* [shardformer] vit test finish and support

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit

* [shardformer] support Blip2 (#4243)

* support base blip2

* add support for downstream blip2 model

* update readme

* add forward injection

* skip not compatible models test

* fix test for gemini and low_level_zero_pugin

---------

Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>

* [shardformer] blip2 support flash attention and jit operator (#4325)

* Feature/vit support (#4182)

* [shardformer] added tests

* [shardformer] vit test finish and support

* fix attention dropout

* [shardformer] support SAM (#4231)

* 1.support sam 2.add fused qkv for nn.Linear

* update utils support set element in list

* overtwrite SamVisionAttention foward to use DropoutForParallelInput

* remove unused code

* [shardformer] support whisper (#4212)

* support whisper

* fix bug in vocabembedding

* support downstream model of whisper

* update readme

* Feature/chatglm (#4240)

* [shardformer] added tests

* [shardformer] vit test finish and support

* [shardformer] chatglm ready

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] chatglm shard without mlp sharding

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] fix chatglm configuration with pre-commit

* [shardformer] added tests

* [shardformer] vit test finish and support

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit

* [shardformer] support Blip2 (#4243)

* support base blip2

* add support for downstream blip2 model

* update readme

* add forward injection

* skip not compatible models test

* fix test for gemini and low_level_zero_pugin

* [shardformer] blip2 support flash attention and jit operator

* [shardformer] blip2 support flash attention and jit operator

* [shardformer] blip2 support flash attention and jit operator

---------

Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>

* [shardformer] chatglm support flash attention and jit operator (#4330)

* Feature/vit support (#4182)

* [shardformer] added tests

* [shardformer] vit test finish and support

* fix attention dropout

* [shardformer] support SAM (#4231)

* 1.support sam 2.add fused qkv for nn.Linear

* update utils support set element in list

* overtwrite SamVisionAttention foward to use DropoutForParallelInput

* remove unused code

* [shardformer] support whisper (#4212)

* support whisper

* fix bug in vocabembedding

* support downstream model of whisper

* update readme

* Feature/chatglm (#4240)

* [shardformer] added tests

* [shardformer] vit test finish and support

* [shardformer] chatglm ready

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] chatglm shard without mlp sharding

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] fix chatglm configuration with pre-commit

* [shardformer] added tests

* [shardformer] vit test finish and support

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit

* [shardformer] support Blip2 (#4243)

* support base blip2

* add support for downstream blip2 model

* update readme

* add forward injection

* skip not compatible models test

* fix test for gemini and low_level_zero_pugin

* [shardformer] chatglm support flash attention and jit operator

* [shardformer] chatglm support flash attention and jit operator

* [shardformer] chatglm support flash attention and jit operator

* [shardformer] chatglm support flash attention and jit operator

---------

Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>

* [shardformer] vit support flash attention and jit operator (#4334)

* Feature/vit support (#4182)

* [shardformer] added tests

* [shardformer] vit test finish and support

* fix attention dropout

* [shardformer] support SAM (#4231)

* 1.support sam 2.add fused qkv for nn.Linear

* update utils support set element in list

* overtwrite SamVisionAttention foward to use DropoutForParallelInput

* remove unused code

* [shardformer] support whisper (#4212)

* support whisper

* fix bug in vocabembedding

* support downstream model of whisper

* update readme

* Feature/chatglm (#4240)

* [shardformer] added tests

* [shardformer] vit test finish and support

* [shardformer] chatglm ready

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] chatglm shard without mlp sharding

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] fix chatglm configuration with pre-commit

* [shardformer] added tests

* [shardformer] vit test finish and support

* import chatglm

* [shardformer] add test kit in model zoo for chatglm

* [sharformer] add first version of policy of chatglm

* [shardformer] polish chatglm code

* [shardformer] polish code

* [shardformer] support chatglm without layernorm

* [shardformer] delete some file

* [shardformer] ChatGLM support layernorm sharding

* [shardformer] register without auto policy

* [shardformer] pre-commit check files

* [shardformer] support ChatGLMForConditionalGeneration & add fusedlayernorm for vit

* [shardformer] support Blip2 (#4243)

* support base blip2

* add support for downstream blip2 model

* update readme

* add forward injection

* skip not compatible models test

* fix test for gemini and low_level_zero_pugin

* [shardformer] vit support flash attention and jit operator

* [shardformer] vit support flash attention and jit operator

---------

Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>

* [pipeline] merge flash attention branch

* [pipeline] merge flash attention branch

* [pipeline] merge flash attention branch

* [pipeline] fix conflict

* [pipeline] fix conflict

* Merge branch 'feature/pipeline' into feature/pipeline

* Merge branch 'feature/pipeline' into feature/pipeline

* Merge branch 'feature/pipeline' into feature/pipeline

* activate checks

* activate checks

* activate checks

* activate checks

* activate checks

* activate checks

* activate checks

* activate checks

* fix flash attention tests

* gemini ignore whisper

* fix vit

* fix xformers import handle

---------

Co-authored-by: Frank Lee <somerlee.9@gmail.com>
Co-authored-by: Kun Lin <81014421+klhhhhh@users.noreply.github.com>
Co-authored-by: FoolPlayer <45593998+FoolPlayer@users.noreply.github.com>
Co-authored-by: klhhhhh <1412841649@qq.com>
This commit is contained in:
flybird1111
2023-08-07 16:41:07 +08:00
committed by Hongxin Liu
parent a88e92251d
commit 906426cb44
52 changed files with 2060 additions and 1555 deletions

View File

@@ -587,3 +587,209 @@ class T5PipelineForwards:
decoder_starting_stage=decoder_starting_stage)
return outputs
def get_t5_flash_attention_forward():
try:
from xformers.ops import memory_efficient_attention as me_attention
except:
raise ImportError("Error: xformers module is not installed. Please install it to use flash attention.")
from transformers.models.t5.modeling_t5 import T5Attention
def forward(
self: T5Attention,
hidden_states: torch.Tensor,
mask: Optional[torch.Tensor] = None,
key_value_states: Optional[torch.Tensor] = None,
position_bias: Optional[torch.Tensor] = None,
past_key_value: Optional[Tuple[torch.Tensor]] = None,
layer_head_mask: Optional[torch.Tensor] = None,
query_length: Optional[int] = None,
use_cache: bool = False,
output_attentions: bool = False,
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[torch.Tensor]]:
"""
Self-attention (if key_value_states is None) or attention over source sentence (provided by key_value_states).
"""
# Input is (batch_size, seq_length, dim)
# Mask is (batch_size, key_length) (non-causal) or (batch_size, key_length, key_length)
# past_key_value[0] is (batch_size, n_heads, q_len - 1, dim_per_head)
batch_size, seq_length = hidden_states.shape[:2]
real_seq_length = seq_length
if past_key_value is not None:
if len(past_key_value) != 2:
raise ValueError(
f"past_key_value should have 2 past states: keys and values. Got { len(past_key_value)} past states"
)
real_seq_length += past_key_value[0].shape[2] if query_length is None else query_length
key_length = real_seq_length if key_value_states is None else key_value_states.shape[1]
def shape(states):
"""projection"""
return states.view(batch_size, -1, self.n_heads, self.key_value_proj_dim)
def unshape(states):
"""reshape"""
return states.view(batch_size, -1, self.inner_dim)
def project(hidden_states, proj_layer, key_value_states, past_key_value):
"""projects hidden states correctly to key/query states"""
if key_value_states is None:
# self-attn
# (batch_size, n_heads, seq_length, dim_per_head)
hidden_states = shape(proj_layer(hidden_states))
elif past_key_value is None:
# cross-attn
# (batch_size, n_heads, seq_length, dim_per_head)
hidden_states = shape(proj_layer(key_value_states))
if past_key_value is not None:
if key_value_states is None:
# self-attn
# (batch_size, n_heads, key_length, dim_per_head)
hidden_states = torch.cat([past_key_value, hidden_states], dim=1)
elif past_key_value.shape[1] != key_value_states.shape[1]:
# checking that the `sequence_length` of the `past_key_value` is the same as
# the provided `key_value_states` to support prefix tuning
# cross-attn
# (batch_size, n_heads, seq_length, dim_per_head)
hidden_states = shape(proj_layer(key_value_states))
else:
# cross-attn
hidden_states = past_key_value
return hidden_states
# get query states
query_states = shape(self.q(hidden_states)) # (batch_size, n_heads, seq_length, dim_per_head)
# get key/value states
key_states = project(hidden_states, self.k, key_value_states,
past_key_value[0] if past_key_value is not None else None)
value_states = project(hidden_states, self.v, key_value_states,
past_key_value[1] if past_key_value is not None else None)
if position_bias is None:
if not self.has_relative_attention_bias:
position_bias = torch.zeros((1, self.n_heads, real_seq_length, key_length),
device=query_states.device,
dtype=query_states.dtype)
if self.gradient_checkpointing and self.training:
position_bias.requires_grad = True
else:
position_bias = self.compute_bias(real_seq_length, key_length, device=query_states.device)
# if key and values are already calculated
# we want only the last query position bias
if past_key_value is not None:
position_bias = position_bias[:, :, -hidden_states.size(1):, :]
if mask is not None:
position_bias = position_bias + mask # (batch_size, n_heads, seq_length, key_length)
if self.pruned_heads:
mask = torch.ones(position_bias.shape[1])
mask[list(self.pruned_heads)] = 0
position_bias_masked = position_bias[:, mask.bool()]
else:
position_bias_masked = position_bias
position_bias_masked = position_bias_masked.contiguous()
attn_output = me_attention(query_states,
key_states,
value_states,
attn_bias=position_bias_masked,
p=self.dropout,
scale=1.0)
attn_output = unshape(attn_output)
attn_output = self.o(attn_output)
present_key_value_state = (key_states, value_states) if (self.is_decoder and use_cache) else None
outputs = (attn_output,) + (present_key_value_state,) + (position_bias,)
return outputs
return forward
def get_jit_fused_T5_layer_ff_forward():
from transformers.models.t5.modeling_t5 import T5LayerFF
def forward(self: T5LayerFF, hidden_states: torch.Tensor) -> torch.Tensor:
forwarded_states = self.layer_norm(hidden_states)
forwarded_states = self.DenseReluDense(forwarded_states)
hidden_states = self.dropout_add(forwarded_states, hidden_states, self.dropout.p, self.dropout.training)
return hidden_states
return forward
def get_T5_layer_self_attention_forward():
from transformers.models.t5.modeling_t5 import T5LayerSelfAttention
def forward(
self: T5LayerSelfAttention,
hidden_states: torch.Tensor,
attention_mask: Optional[torch.Tensor] = None,
position_bias: Optional[torch.Tensor] = None,
layer_head_mask: Optional[torch.Tensor] = None,
past_key_value: Optional[Tuple[torch.Tensor]] = None,
use_cache: bool = False,
output_attentions: bool = False,
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[torch.Tensor]]:
normed_hidden_states = self.layer_norm(hidden_states)
attention_output = self.SelfAttention(
normed_hidden_states,
mask=attention_mask,
position_bias=position_bias,
layer_head_mask=layer_head_mask,
past_key_value=past_key_value,
use_cache=use_cache,
output_attentions=output_attentions,
)
hidden_states = self.dropout_add(attention_output[0], hidden_states, self.dropout.p, self.dropout.training)
outputs = (hidden_states,) + attention_output[1:] # add attentions if we output them
return outputs
return forward
def get_T5_layer_cross_attention_forward():
from transformers.models.t5.modeling_t5 import T5LayerCrossAttention
def forward(
self: T5LayerCrossAttention,
hidden_states: torch.Tensor,
key_value_states: torch.Tensor,
attention_mask: Optional[torch.Tensor] = None,
position_bias: Optional[torch.Tensor] = None,
layer_head_mask: Optional[torch.Tensor] = None,
past_key_value: Optional[Tuple[torch.Tensor]] = None,
use_cache: bool = False,
query_length: Optional[int] = None,
output_attentions: bool = False,
) -> Tuple[torch.Tensor, Optional[torch.Tensor], Optional[torch.Tensor]]:
normed_hidden_states = self.layer_norm(hidden_states)
attention_output = self.EncDecAttention(
normed_hidden_states,
mask=attention_mask,
key_value_states=key_value_states,
position_bias=position_bias,
layer_head_mask=layer_head_mask,
past_key_value=past_key_value,
use_cache=use_cache,
query_length=query_length,
output_attentions=output_attentions,
)
layer_output = self.dropout_add(attention_output[0], hidden_states, self.dropout.p, self.dropout.training)
outputs = (layer_output,) + attention_output[1:] # add attentions if we output them
return outputs
return forward