Update research_attention dump without sum.

This commit is contained in:
Colin 2024-01-28 17:55:08 +08:00
parent 3f296ccdb2
commit 185278f3a9
2 changed files with 35 additions and 25 deletions

View File

@ -200,10 +200,7 @@ class QwenRunner:
history = copy.deepcopy(history)
raw_text, context_tokens = self.prepareInput(tokenizer, query, query_assistant, history, system)
input_ids = torch.tensor([context_tokens]).to(next(qwen.parameters()).device)
eos_token_id_tensor = torch.tensor([qwen.config.eos_token_id]).to(input_ids.device)
pad_token_id = qwen.config.pad_token_id
unfinished_sequences = torch.ones(input_ids.shape[0], dtype=torch.long, device=input_ids.device)
self.unfinished_sequences = torch.ones(input_ids.shape[0], dtype=torch.long, device=input_ids.device)
while True:
outputs = self.forwardQWen(input_ids)
next_token_scores = outputs[:, -1, :]
@ -211,14 +208,10 @@ class QwenRunner:
next_token_scores = self.repetition_penalty(input_ids, next_token_scores)
next_token_scores = self.top_p(next_token_scores)
next_tokens = self.sample(next_token_scores)
next_tokens = next_tokens * unfinished_sequences + pad_token_id * (1 - unfinished_sequences)
input_ids = torch.cat([input_ids, next_tokens[:, None]], dim=-1)
unfinished_sequences = unfinished_sequences.mul(
next_tokens.tile(eos_token_id_tensor.shape[0], 1).ne(eos_token_id_tensor.unsqueeze(1)).prod(dim=0)
)
if unfinished_sequences.max() == 0:
finish, next_tokens = self.isFinish(next_tokens)
if finish:
break
input_ids = torch.cat([input_ids, next_tokens], dim=-1)
decoded, response, end_reason = decode_tokens(
input_ids[0],
@ -384,3 +377,13 @@ class QwenRunner:
probs = nn.functional.softmax(next_token_scores, dim=-1)
next_tokens = torch.multinomial(probs, num_samples=1).squeeze(1)
return next_tokens
def isFinish(self, next_tokens):
pad_token_id = self.qwen.config.pad_token_id
eos_token_id_tensor = torch.tensor([self.qwen.config.eos_token_id]).to(next_tokens.device)
next_tokens = next_tokens * self.unfinished_sequences + pad_token_id * (1 - self.unfinished_sequences)
self.unfinished_sequences = self.unfinished_sequences.mul(
next_tokens.tile(eos_token_id_tensor.shape[0], 1).ne(eos_token_id_tensor.unsqueeze(1)).prod(dim=0)
)
return self.unfinished_sequences.max() == 0, next_tokens[:, None]

View File

@ -40,6 +40,8 @@ print(model)
tokenizer = AutoTokenizer.from_pretrained(model_dir, trust_remote_code=True)
model = model.from_pretrained(model_dir)
if torch.cuda.device_count() > 0:
model = model.cuda()
model = model.eval()
@ -70,11 +72,14 @@ def Dump_lm_head_weight(model):
# Dump_lm_head_weight(model)
qk_sum = []
qk_index = []
qk_seq = []
qk_index = None
def DumpQK(query, key, causal_mask, index):
global qk_seq
global qk_index
size = query.shape[2]
scale_factor = 1 / math.sqrt(query.size(-1))
attn_weight = query @ key.transpose(-2, -1) * scale_factor
attn_mask = torch.ones(causal_mask.shape, dtype=query.dtype, device=query.device)
@ -82,12 +87,11 @@ def DumpQK(query, key, causal_mask, index):
attn_weight = attn_weight * attn_mask
attn_weight = torch.softmax(attn_weight, dim=-1)
attn_weight = attn_weight * attn_mask
size = query.shape[2]
qk = attn_weight[0]
# prePath = "./temp/" + "q@k_seq_" + str(size) + "_layer_" + str(index) + ".png"
# show.DumpTensorToImage(qk, prePath, GridValue=255)
qk_sum.append(qk.sum(0))
qk_index.append(size)
qk_seq.append(qk)
qk_index = size
class ResearchRunner(QwenRunner):
@ -106,14 +110,6 @@ class ResearchRunner(QwenRunner):
attn_output = attention.c_proj(context_layer)
return attn_output
def sample(self, next_token_scores):
qk_sum_cat = torch.stack(qk_sum, 0)
qk_sum.clear()
prePath = "./temp/" + "q@k_sum_seq_" + str(qk_index[-1]) + ".png"
show.DumpTensorToImage(qk_sum_cat, prePath, GridValue=255)
return super().sample(next_token_scores)
def prepareInput(self, tokenizer, query, query_assistant, history, system):
start_to = [151644]
n_to = [198]
@ -128,10 +124,21 @@ class ResearchRunner(QwenRunner):
tokens = system_token + user_token + aassistant_token
tokens = user_token + aassistant_token
tokens = start_to + tokenizer.encode("user\n你好\nassistant\n", allowed_special=set())
tokens = start_to + tokenizer.encode("user\nHi你好\nassistant\n", allowed_special=set())
return "", tokens
def isFinish(self, next_tokens):
global qk_seq
finish, next = super().isFinish(next_tokens)
if finish:
for i, s in enumerate(qk_seq):
prePath = "./temp/" + "q@k_layer_" + str(i) + ".png"
show.DumpTensorToImage(s, prePath, GridValue=255)
else:
qk_seq = []
return finish, next
runner = ResearchRunner(model)