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Merge pull request #1184 from hexisyztem/dev/Comet

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Dev/comet
This commit is contained in:
Xiang Lyu
2025-04-16 15:02:46 +08:00
committed by GitHub
parent 96950745a6 369f3c2c18
commit ab74475604
4 changed files with 230 additions and 147 deletions
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8
cosyvoice/cli/cosyvoice.py
View File

@@ -54,11 +54,13 @@ class CosyVoice:
'{}/llm.llm.{}.zip'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'),
'{}/flow.encoder.{}.zip'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'))
if load_trt:
self.estimator_count = configs.get('estimator_count', 1)
self.model.load_trt('{}/flow.decoder.estimator.{}.mygpu.plan'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'),
'{}/flow.decoder.estimator.fp32.onnx'.format(model_dir),
self.fp16)
self.fp16, self.estimator_count)
del configs
def list_available_spks(self):
spks = list(self.frontend.spk2info.keys())
return spks
@@ -178,11 +180,13 @@ class CosyVoice2(CosyVoice):
if load_jit:
self.model.load_jit('{}/flow.encoder.{}.zip'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'))
if load_trt:
self.estimator_count = configs.get('estimator_count', 1)
self.model.load_trt('{}/flow.decoder.estimator.{}.mygpu.plan'.format(model_dir, 'fp16' if self.fp16 is True else 'fp32'),
'{}/flow.decoder.estimator.fp32.onnx'.format(model_dir),
self.fp16)
self.fp16, self.estimator_count)
del configs
def inference_instruct(self, *args, **kwargs):
raise NotImplementedError('inference_instruct is not implemented for CosyVoice2!')

290
cosyvoice/cli/model.py
View File

@@ -22,7 +22,8 @@ from contextlib import nullcontext
import uuid
from cosyvoice.utils.common import fade_in_out
from cosyvoice.utils.file_utils import convert_onnx_to_trt
from cosyvoice.flow.flow_matching import EstimatorWrapper
import queue
class CosyVoiceModel:
@@ -66,6 +67,12 @@ class CosyVoiceModel:
self.flow_cache_dict = {}
self.hift_cache_dict = {}
self.stream_context_pool = queue.Queue()
for _ in range(10):
self.stream_context_pool.put(torch.cuda.stream(torch.cuda.Stream(self.device)) if torch.cuda.is_available() else nullcontext())
self.is_cuda_available = torch.cuda.is_available()
def load(self, llm_model, flow_model, hift_model):
self.llm.load_state_dict(torch.load(llm_model, map_location=self.device), strict=True)
self.llm.to(self.device).eval()
@@ -84,7 +91,7 @@ class CosyVoiceModel:
flow_encoder = torch.jit.load(flow_encoder_model, map_location=self.device)
self.flow.encoder = flow_encoder
def load_trt(self, flow_decoder_estimator_model, flow_decoder_onnx_model, fp16):
def load_trt(self, flow_decoder_estimator_model, flow_decoder_onnx_model, fp16, estimator_count=1):
assert torch.cuda.is_available(), 'tensorrt only supports gpu!'
if not os.path.exists(flow_decoder_estimator_model):
convert_onnx_to_trt(flow_decoder_estimator_model, flow_decoder_onnx_model, fp16)
@@ -96,7 +103,7 @@ class CosyVoiceModel:
self.flow.decoder.estimator_engine = trt.Runtime(trt.Logger(trt.Logger.INFO)).deserialize_cuda_engine(f.read())
if self.flow.decoder.estimator_engine is None:
raise ValueError('failed to load trt {}'.format(flow_decoder_estimator_model))
self.flow.decoder.estimator = self.flow.decoder.estimator_engine.create_execution_context()
self.flow.decoder.estimator = EstimatorWrapper(self.flow.decoder.estimator_engine, estimator_count=estimator_count)
def llm_job(self, text, prompt_text, llm_prompt_speech_token, llm_embedding, uuid):
with self.llm_context:
@@ -122,13 +129,13 @@ class CosyVoiceModel:
def token2wav(self, token, prompt_token, prompt_feat, embedding, uuid, finalize=False, speed=1.0):
tts_mel, flow_cache = self.flow.inference(token=token.to(self.device),
token_len=torch.tensor([token.shape[1]], dtype=torch.int32).to(self.device),
prompt_token=prompt_token.to(self.device),
prompt_token_len=torch.tensor([prompt_token.shape[1]], dtype=torch.int32).to(self.device),
prompt_feat=prompt_feat.to(self.device),
prompt_feat_len=torch.tensor([prompt_feat.shape[1]], dtype=torch.int32).to(self.device),
embedding=embedding.to(self.device),
flow_cache=self.flow_cache_dict[uuid])
token_len=torch.tensor([token.shape[1]], dtype=torch.int32).to(self.device),
prompt_token=prompt_token.to(self.device),
prompt_token_len=torch.tensor([prompt_token.shape[1]], dtype=torch.int32).to(self.device),
prompt_feat=prompt_feat.to(self.device),
prompt_feat_len=torch.tensor([prompt_feat.shape[1]], dtype=torch.int32).to(self.device),
embedding=embedding.to(self.device),
flow_cache=self.flow_cache_dict[uuid])
self.flow_cache_dict[uuid] = flow_cache
# mel overlap fade in out
@@ -148,8 +155,8 @@ class CosyVoiceModel:
if self.hift_cache_dict[uuid] is not None:
tts_speech = fade_in_out(tts_speech, self.hift_cache_dict[uuid]['speech'], self.speech_window)
self.hift_cache_dict[uuid] = {'mel': tts_mel[:, :, -self.mel_cache_len:],
'source': tts_source[:, :, -self.source_cache_len:],
'speech': tts_speech[:, -self.source_cache_len:]}
'source': tts_source[:, :, -self.source_cache_len:],
'speech': tts_speech[:, -self.source_cache_len:]}
tts_speech = tts_speech[:, :-self.source_cache_len]
else:
if speed != 1.0:
@@ -166,63 +173,70 @@ class CosyVoiceModel:
flow_prompt_speech_token=torch.zeros(1, 0, dtype=torch.int32),
prompt_speech_feat=torch.zeros(1, 0, 80), stream=False, speed=1.0, **kwargs):
# this_uuid is used to track variables related to this inference thread
this_uuid = str(uuid.uuid1())
with self.lock:
self.tts_speech_token_dict[this_uuid], self.llm_end_dict[this_uuid] = [], False
self.hift_cache_dict[this_uuid] = None
self.mel_overlap_dict[this_uuid] = torch.zeros(1, 80, 0)
self.flow_cache_dict[this_uuid] = torch.zeros(1, 80, 0, 2)
p = threading.Thread(target=self.llm_job, args=(text, prompt_text, llm_prompt_speech_token, llm_embedding, this_uuid))
p.start()
if stream is True:
token_hop_len = self.token_min_hop_len
while True:
time.sleep(0.1)
if len(self.tts_speech_token_dict[this_uuid]) >= token_hop_len + self.token_overlap_len:
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid][:token_hop_len + self.token_overlap_len]) \
.unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
finalize=False)
yield {'tts_speech': this_tts_speech.cpu()}
with self.lock:
self.tts_speech_token_dict[this_uuid] = self.tts_speech_token_dict[this_uuid][token_hop_len:]
# increase token_hop_len for better speech quality
token_hop_len = min(self.token_max_hop_len, int(token_hop_len * self.stream_scale_factor))
if self.llm_end_dict[this_uuid] is True and len(self.tts_speech_token_dict[this_uuid]) < token_hop_len + self.token_overlap_len:
break
p.join()
# deal with remain tokens, make sure inference remain token len equals token_hop_len when cache_speech is not None
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
finalize=True)
yield {'tts_speech': this_tts_speech.cpu()}
else:
# deal with all tokens
p.join()
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
finalize=True,
speed=speed)
yield {'tts_speech': this_tts_speech.cpu()}
with self.lock:
self.tts_speech_token_dict.pop(this_uuid)
self.llm_end_dict.pop(this_uuid)
self.mel_overlap_dict.pop(this_uuid)
self.hift_cache_dict.pop(this_uuid)
self.flow_cache_dict.pop(this_uuid)
torch.cuda.empty_cache()
stream_context = self.stream_context_pool.get()
with stream_context:
this_uuid = str(uuid.uuid1())
with self.lock:
self.tts_speech_token_dict[this_uuid], self.llm_end_dict[this_uuid] = [], False
self.hift_cache_dict[this_uuid] = None
self.mel_overlap_dict[this_uuid] = torch.zeros(1, 80, 0)
self.flow_cache_dict[this_uuid] = torch.zeros(1, 80, 0, 2)
p = threading.Thread(target=self.llm_job, args=(text, prompt_text, llm_prompt_speech_token, llm_embedding, this_uuid))
p.start()
if stream is True:
token_hop_len = self.token_min_hop_len
while True:
time.sleep(0.1)
if len(self.tts_speech_token_dict[this_uuid]) >= token_hop_len + self.token_overlap_len:
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid][:token_hop_len + self.token_overlap_len]) \
.unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
finalize=False)
yield {'tts_speech': this_tts_speech.cpu()}
with self.lock:
self.tts_speech_token_dict[this_uuid] = self.tts_speech_token_dict[this_uuid][token_hop_len:]
# increase token_hop_len for better speech quality
token_hop_len = min(self.token_max_hop_len, int(token_hop_len * self.stream_scale_factor))
if self.llm_end_dict[this_uuid] is True and len(self.tts_speech_token_dict[this_uuid]) < token_hop_len + self.token_overlap_len:
break
p.join()
# deal with remain tokens, make sure inference remain token len equals token_hop_len when cache_speech is not None
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
finalize=True)
yield {'tts_speech': this_tts_speech.cpu()}
else:
# deal with all tokens
p.join()
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
finalize=True,
speed=speed)
yield {'tts_speech': this_tts_speech.cpu()}
with self.lock:
self.tts_speech_token_dict.pop(this_uuid)
self.llm_end_dict.pop(this_uuid)
self.mel_overlap_dict.pop(this_uuid)
self.hift_cache_dict.pop(this_uuid)
self.flow_cache_dict.pop(this_uuid)
self.synchronize_stream()
self.stream_context_pool.put(stream_context)
torch.cuda.empty_cache()
def vc(self, source_speech_token, flow_prompt_speech_token, prompt_speech_feat, flow_embedding, stream=False, speed=1.0, **kwargs):
# this_uuid is used to track variables related to this inference thread
@@ -278,6 +292,10 @@ class CosyVoiceModel:
self.hift_cache_dict.pop(this_uuid)
torch.cuda.empty_cache()
def synchronize_stream(self):
if self.is_cuda_available:
torch.cuda.current_stream().synchronize()
class CosyVoice2Model(CosyVoiceModel):
@@ -314,19 +332,26 @@ class CosyVoice2Model(CosyVoiceModel):
self.llm_end_dict = {}
self.hift_cache_dict = {}
self.stream_context_pool = queue.Queue()
for _ in range(10):
self.stream_context_pool.put(torch.cuda.stream(torch.cuda.Stream(self.device)) if torch.cuda.is_available() else nullcontext())
self.is_cuda_available = torch.cuda.is_available()
def load_jit(self, flow_encoder_model):
flow_encoder = torch.jit.load(flow_encoder_model, map_location=self.device)
self.flow.encoder = flow_encoder
def token2wav(self, token, prompt_token, prompt_feat, embedding, uuid, token_offset, finalize=False, speed=1.0):
tts_mel, _ = self.flow.inference(token=token.to(self.device),
token_len=torch.tensor([token.shape[1]], dtype=torch.int32).to(self.device),
prompt_token=prompt_token.to(self.device),
prompt_token_len=torch.tensor([prompt_token.shape[1]], dtype=torch.int32).to(self.device),
prompt_feat=prompt_feat.to(self.device),
prompt_feat_len=torch.tensor([prompt_feat.shape[1]], dtype=torch.int32).to(self.device),
embedding=embedding.to(self.device),
finalize=finalize)
token_len=torch.tensor([token.shape[1]], dtype=torch.int32).to(self.device),
prompt_token=prompt_token.to(self.device),
prompt_token_len=torch.tensor([prompt_token.shape[1]], dtype=torch.int32).to(self.device),
prompt_feat=prompt_feat.to(self.device),
prompt_feat_len=torch.tensor([prompt_feat.shape[1]], dtype=torch.int32).to(self.device),
embedding=embedding.to(self.device),
finalize=finalize)
tts_mel = tts_mel[:, :, token_offset * self.flow.token_mel_ratio:]
# append hift cache
if self.hift_cache_dict[uuid] is not None:
@@ -340,8 +365,8 @@ class CosyVoice2Model(CosyVoiceModel):
if self.hift_cache_dict[uuid] is not None:
tts_speech = fade_in_out(tts_speech, self.hift_cache_dict[uuid]['speech'], self.speech_window)
self.hift_cache_dict[uuid] = {'mel': tts_mel[:, :, -self.mel_cache_len:],
'source': tts_source[:, :, -self.source_cache_len:],
'speech': tts_speech[:, -self.source_cache_len:]}
'source': tts_source[:, :, -self.source_cache_len:],
'speech': tts_speech[:, -self.source_cache_len:]}
tts_speech = tts_speech[:, :-self.source_cache_len]
else:
if speed != 1.0:
@@ -358,57 +383,64 @@ class CosyVoice2Model(CosyVoiceModel):
flow_prompt_speech_token=torch.zeros(1, 0, dtype=torch.int32),
prompt_speech_feat=torch.zeros(1, 0, 80), stream=False, speed=1.0, **kwargs):
# this_uuid is used to track variables related to this inference thread
this_uuid = str(uuid.uuid1())
with self.lock:
self.tts_speech_token_dict[this_uuid], self.llm_end_dict[this_uuid] = [], False
self.hift_cache_dict[this_uuid] = None
p = threading.Thread(target=self.llm_job, args=(text, prompt_text, llm_prompt_speech_token, llm_embedding, this_uuid))
p.start()
if stream is True:
token_offset = 0
while True:
time.sleep(0.1)
if len(self.tts_speech_token_dict[this_uuid]) - token_offset >= self.token_hop_len + self.flow.pre_lookahead_len:
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid][:token_offset + self.token_hop_len + self.flow.pre_lookahead_len]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
token_offset=token_offset,
finalize=False)
token_offset += self.token_hop_len
yield {'tts_speech': this_tts_speech.cpu()}
if self.llm_end_dict[this_uuid] is True and len(self.tts_speech_token_dict[this_uuid]) - token_offset < self.token_hop_len + self.flow.pre_lookahead_len:
break
p.join()
# deal with remain tokens, make sure inference remain token len equals token_hop_len when cache_speech is not None
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
token_offset=token_offset,
finalize=True)
yield {'tts_speech': this_tts_speech.cpu()}
else:
# deal with all tokens
p.join()
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
token_offset=0,
finalize=True,
speed=speed)
yield {'tts_speech': this_tts_speech.cpu()}
with self.lock:
self.tts_speech_token_dict.pop(this_uuid)
self.llm_end_dict.pop(this_uuid)
torch.cuda.empty_cache()
self.synchronize_stream()
stream_context = self.stream_context_pool.get()
with torch.cuda.stream(stream_context):
this_uuid = str(uuid.uuid1())
with self.lock:
self.tts_speech_token_dict[this_uuid], self.llm_end_dict[this_uuid] = [], False
self.hift_cache_dict[this_uuid] = None
p = threading.Thread(target=self.llm_job, args=(text, prompt_text, llm_prompt_speech_token, llm_embedding, this_uuid))
p.start()
if stream is True:
token_offset = 0
while True:
time.sleep(0.1)
if len(self.tts_speech_token_dict[this_uuid]) - token_offset >= self.token_hop_len + self.flow.pre_lookahead_len:
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid][:token_offset + self.token_hop_len + self.flow.pre_lookahead_len]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
token_offset=token_offset,
finalize=False)
token_offset += self.token_hop_len
yield {'tts_speech': this_tts_speech.cpu()}
if self.llm_end_dict[this_uuid] is True and len(self.tts_speech_token_dict[this_uuid]) - token_offset < self.token_hop_len + self.flow.pre_lookahead_len:
break
p.join()
# deal with remain tokens, make sure inference remain token len equals token_hop_len when cache_speech is not None
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
token_offset=token_offset,
finalize=True)
yield {'tts_speech': this_tts_speech.cpu()}
else:
# deal with all tokens
p.join()
this_tts_speech_token = torch.tensor(self.tts_speech_token_dict[this_uuid]).unsqueeze(dim=0)
this_tts_speech = self.token2wav(token=this_tts_speech_token,
prompt_token=flow_prompt_speech_token,
prompt_feat=prompt_speech_feat,
embedding=flow_embedding,
uuid=this_uuid,
token_offset=0,
finalize=True,
speed=speed)
yield {'tts_speech': this_tts_speech.cpu()}
with self.lock:
self.tts_speech_token_dict.pop(this_uuid)
self.llm_end_dict.pop(this_uuid)
self.synchronize_stream()
self.stream_context_pool.put(stream_context)
torch.cuda.empty_cache()
class VllmCosyVoice2Model(CosyVoice2Model):

77
cosyvoice/flow/flow_matching.py
View File

@@ -15,7 +15,26 @@ import threading
import torch
import torch.nn.functional as F
from matcha.models.components.flow_matching import BASECFM
import queue
class EstimatorWrapper:
def __init__(self, estimator_engine, estimator_count=2,):
self.estimators = queue.Queue()
self.estimator_engine = estimator_engine
for _ in range(estimator_count):
estimator = estimator_engine.create_execution_context()
if estimator is not None:
self.estimators.put(estimator)
if self.estimators.empty():
raise Exception("No available estimator")
def acquire_estimator(self):
return self.estimators.get(), self.estimator_engine
def release_estimator(self, estimator):
self.estimators.put(estimator)
return
class ConditionalCFM(BASECFM):
def __init__(self, in_channels, cfm_params, n_spks=1, spk_emb_dim=64, estimator: torch.nn.Module = None):
@@ -125,22 +144,50 @@ class ConditionalCFM(BASECFM):
if isinstance(self.estimator, torch.nn.Module):
return self.estimator.forward(x, mask, mu, t, spks, cond)
else:
with self.lock:
self.estimator.set_input_shape('x', (2, 80, x.size(2)))
self.estimator.set_input_shape('mask', (2, 1, x.size(2)))
self.estimator.set_input_shape('mu', (2, 80, x.size(2)))
self.estimator.set_input_shape('t', (2,))
self.estimator.set_input_shape('spks', (2, 80))
self.estimator.set_input_shape('cond', (2, 80, x.size(2)))
if isinstance(self.estimator, EstimatorWrapper):
estimator, engine = self.estimator.acquire_estimator()
estimator.set_input_shape('x', (2, 80, x.size(2)))
estimator.set_input_shape('mask', (2, 1, x.size(2)))
estimator.set_input_shape('mu', (2, 80, x.size(2)))
estimator.set_input_shape('t', (2,))
estimator.set_input_shape('spks', (2, 80))
estimator.set_input_shape('cond', (2, 80, x.size(2)))
data_ptrs = [x.contiguous().data_ptr(),
mask.contiguous().data_ptr(),
mu.contiguous().data_ptr(),
t.contiguous().data_ptr(),
spks.contiguous().data_ptr(),
cond.contiguous().data_ptr(),
x.data_ptr()]
for idx, data_ptr in enumerate(data_ptrs):
estimator.set_tensor_address(engine.get_tensor_name(idx), data_ptr)
# run trt engine
self.estimator.execute_v2([x.contiguous().data_ptr(),
mask.contiguous().data_ptr(),
mu.contiguous().data_ptr(),
t.contiguous().data_ptr(),
spks.contiguous().data_ptr(),
cond.contiguous().data_ptr(),
x.data_ptr()])
return x
estimator.execute_async_v3(torch.cuda.current_stream().cuda_stream)
torch.cuda.current_stream().synchronize()
self.estimator.release_estimator(estimator)
return x
else:
with self.lock:
self.estimator.set_input_shape('x', (2, 80, x.size(2)))
self.estimator.set_input_shape('mask', (2, 1, x.size(2)))
self.estimator.set_input_shape('mu', (2, 80, x.size(2)))
self.estimator.set_input_shape('t', (2,))
self.estimator.set_input_shape('spks', (2, 80))
self.estimator.set_input_shape('cond', (2, 80, x.size(2)))
# run trt engine
self.estimator.execute_v2([x.contiguous().data_ptr(),
mask.contiguous().data_ptr(),
mu.contiguous().data_ptr(),
t.contiguous().data_ptr(),
spks.contiguous().data_ptr(),
cond.contiguous().data_ptr(),
x.data_ptr()])
return x
def compute_loss(self, x1, mask, mu, spks=None, cond=None):
"""Computes diffusion loss

2
cosyvoice/utils/file_utils.py
View File

@@ -61,7 +61,7 @@ def convert_onnx_to_trt(trt_model, onnx_model, fp16):
network = builder.create_network(network_flags)
parser = trt.OnnxParser(network, logger)
config = builder.create_builder_config()
config.set_memory_pool_limit(trt.MemoryPoolType.WORKSPACE, 1 << 33) # 8GB
config.set_memory_pool_limit(trt.MemoryPoolType.WORKSPACE, 1 << 30) # 1GB
if fp16:
config.set_flag(trt.BuilderFlag.FP16)
profile = builder.create_optimization_profile()