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Some simplifications

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oobabooga 2023-02-13 18:48:32 -03:00
parent 3277b751f5
commit 7739a29524
1 changed files with 19 additions and 22 deletions
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41
server.py
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@ -177,7 +177,7 @@ def load_soft_prompt(name):
return name
def upload_softprompt_event(file):
def upload_soft_prompt(file):
with zipfile.ZipFile(io.BytesIO(file)) as zf:
zf.extract('meta.json')
j = json.loads(open('meta.json', 'r').read())
@ -276,6 +276,13 @@ def formatted_outputs(reply, model_name):
else:
return reply
def generate_softprompt_input_tensors(input_ids):
inputs_embeds = model.transformer.wte(input_ids)
inputs_embeds = torch.cat((soft_prompt_tensor, inputs_embeds), dim=1)
filler_input_ids = torch.zeros((1, inputs_embeds.shape[1]), dtype=input_ids.dtype).to(model.device)
filler_input_ids += model.config.bos_token_id # setting dummy input_ids to bos tokens
return inputs_embeds, filler_input_ids
def generate_reply(question, tokens, do_sample, max_new_tokens, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping, eos_token=None, stopping_string=None):
global model_name, model, tokenizer, soft_prompt, soft_prompt_tensor
@ -326,43 +333,36 @@ def generate_reply(question, tokens, do_sample, max_new_tokens, temperature, top
generate_params.append(f"max_new_tokens=8")
if soft_prompt:
inputs_embeds = model.transformer.wte(input_ids)
inputs_embeds = torch.cat((soft_prompt_tensor, inputs_embeds), dim=1)
filler_input_ids = torch.zeros((1, inputs_embeds.shape[1]), dtype=input_ids.dtype).to(model.device)
filler_input_ids += model.config.bos_token_id # setting dummy input_ids to bos tokens
inputs_embeds, filler_input_ids = generate_softprompt_input_tensors(input_ids)
generate_params.insert(0, "inputs_embeds=inputs_embeds")
generate_params.insert(0, "filler_input_ids")
else:
filler_input_ids = None
generate_params.insert(0, "input_ids")
# Generate the entire reply at once
if args.no_stream:
t0 = time.time()
with torch.no_grad():
output = eval(f"model.generate({','.join(generate_params)}){cuda}")
output = eval(f"model.generate({','.join(generate_params)}){cuda}")[0]
if soft_prompt:
output = torch.cat((input_ids[0], output[0][filler_input_ids.shape[1]:]))
else:
output = output[0]
output = torch.cat((input_ids[0], output[filler_input_ids.shape[1]:]))
reply = decode(output)
t1 = time.time()
print(f"Output generated in {(t1-t0):.2f} seconds ({(len(output)-len(input_ids[0]))/(t1-t0)/8:.2f} it/s, {len(output)-len(input_ids[0])} tokens)")
if not (args.chat or args.cai_chat):
reply = original_question + apply_extensions(reply[len(question):], "output")
yield formatted_outputs(reply, model_name)
t1 = time.time()
print(f"Output generated in {(t1-t0):.2f} seconds ({(len(output)-len(input_ids[0]))/(t1-t0)/8:.2f} it/s, {len(output)-len(input_ids[0])} tokens)")
# Generate the reply 1 token at a time
else:
yield formatted_outputs(original_question, model_name)
for i in tqdm(range(tokens//8+1)):
with torch.no_grad():
output = eval(f"model.generate({','.join(generate_params)}){cuda}")
output = eval(f"model.generate({','.join(generate_params)}){cuda}")[0]
if soft_prompt:
output = torch.cat((input_ids[0], output[0][filler_input_ids.shape[1]:]))
else:
output = output[0]
output = torch.cat((input_ids[0], output[filler_input_ids.shape[1]:]))
reply = decode(output)
if not (args.chat or args.cai_chat):
@ -371,10 +371,7 @@ def generate_reply(question, tokens, do_sample, max_new_tokens, temperature, top
input_ids = torch.reshape(output, (1, output.shape[0]))
if soft_prompt:
inputs_embeds = model.transformer.wte(input_ids)
inputs_embeds = torch.cat((soft_prompt_tensor, inputs_embeds), dim=1)
filler_input_ids = torch.zeros((1, inputs_embeds.shape[1]), dtype=input_ids.dtype).to(model.device)
filler_input_ids += model.config.bos_token_id # setting dummy input_ids to bos tokens
inputs_embeds, filler_input_ids = generate_softprompt_input_tensors(input_ids)
if output[-1] == n:
break
@ -486,7 +483,7 @@ def create_settings_menus():
model_menu.change(load_model_wrapper, [model_menu], [model_menu], show_progress=True)
preset_menu.change(load_preset_values, [preset_menu], [do_sample, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping])
softprompts_menu.change(load_soft_prompt, [softprompts_menu], [softprompts_menu], show_progress=True)
upload_softprompt.upload(upload_softprompt_event, [upload_softprompt], [softprompts_menu])
upload_softprompt.upload(upload_soft_prompt, [upload_softprompt], [softprompts_menu])
return preset_menu, do_sample, temperature, top_p, typical_p, repetition_penalty, top_k, min_length, no_repeat_ngram_size, num_beams, penalty_alpha, length_penalty, early_stopping
# This gets the new line characters right.