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@@ -1,141 +0,0 @@
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-import os
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-import torch
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-import tensorrt as trt
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-import logging
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-import threading
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-
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-
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-_min_shape = [(2, 80, 4), (2, 1, 4), (2, 80, 4), (2,), (2, 80), (2, 80, 4)]
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-
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-_opt_shape = [(2, 80, 193), (2, 1, 193), (2, 80, 193), (2,), (2, 80), (2, 80, 193)]
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-
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-_max_shape = [(2, 80, 6800), (2, 1, 6800), (2, 80, 6800), (2,), (2, 80), (2, 80, 6800)]
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-
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-
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-class EstimatorTRT:
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- def __init__(self, path_prefix: str, device: torch.device, fp16: bool = True):
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- self.lock = threading.Lock()
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- self.device = device
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- with torch.cuda.device(device):
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- self.input_names = ["x", "mask", "mu", "t", "spks", "cond"]
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- self.output_name = "estimator_out"
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-
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- onnx_path = path_prefix + ".fp32.onnx"
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- precision = ".fp16" if fp16 else ".fp32"
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- trt_path = path_prefix + precision +".plan"
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-
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- self.fp16 = fp16
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- self.logger = trt.Logger(trt.Logger.INFO)
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- self.trt_runtime = trt.Runtime(self.logger)
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-
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- save_trt = not os.environ.get("NOT_SAVE_TRT", "0") == "1"
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-
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- if os.path.exists(trt_path):
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- self.engine = self._load_trt(trt_path)
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- else:
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- self.engine = self._convert_onnx_to_trt(onnx_path, trt_path, save_trt)
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-
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- self.context = self.engine.create_execution_context()
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-
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- def _convert_onnx_to_trt(
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- self, onnx_path: str, trt_path: str, save_trt: bool = True
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- ):
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- logging.info("Converting onnx to trt...")
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-
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- network_flags = 1 << int(trt.NetworkDefinitionCreationFlag.EXPLICIT_BATCH)
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- builder = trt.Builder(self.logger)
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- network = builder.create_network(network_flags)
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- parser = trt.OnnxParser(network, self.logger)
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- config = builder.create_builder_config()
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-
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- config.set_memory_pool_limit(trt.MemoryPoolType.WORKSPACE, 1 << 33) # 8GB
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- if (self.fp16):
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- config.set_flag(trt.BuilderFlag.FP16)
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-
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- profile = builder.create_optimization_profile()
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-
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- # load onnx model
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- with open(onnx_path, "rb") as f:
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- if not parser.parse(f.read()):
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- for error in range(parser.num_errors):
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- print(parser.get_error(error))
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- exit(1)
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-
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- # set input shapes
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- for i in range(len(self.input_names)):
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- profile.set_shape(
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- self.input_names[i], _min_shape[i], _opt_shape[i], _max_shape[i]
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- )
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-
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- tensor_dtype = trt.DataType.HALF if self.fp16 else trt.DataType.FLOAT
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-
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- # set input and output data type
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- for i in range(network.num_inputs):
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- input_tensor = network.get_input(i)
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- input_tensor.dtype = tensor_dtype
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-
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- for i in range(network.num_outputs):
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- output_tensor = network.get_output(i)
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- output_tensor.dtype = tensor_dtype
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-
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- config.add_optimization_profile(profile)
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- engine_bytes = builder.build_serialized_network(network, config)
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-
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- # save trt engine
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- if save_trt:
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- with open(trt_path, "wb") as f:
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- f.write(engine_bytes)
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- print("trt engine saved to {}".format(trt_path))
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-
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- engine = self.trt_runtime.deserialize_cuda_engine(engine_bytes)
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- return engine
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-
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- def _load_trt(self, trt_path: str):
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- logging.info("Found trt engine, loading...")
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-
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- with open(trt_path, "rb") as f:
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- engine_bytes = f.read()
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- engine = self.trt_runtime.deserialize_cuda_engine(engine_bytes)
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- return engine
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-
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- def forward(
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- self,
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- x: torch.Tensor,
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- mask: torch.Tensor,
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- mu: torch.Tensor,
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- t: torch.Tensor,
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- spks: torch.Tensor,
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- cond: torch.Tensor,
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- ):
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- with self.lock:
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- with torch.cuda.device(self.device):
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- self.context.set_input_shape("x", (2, 80, x.size(2)))
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- self.context.set_input_shape("mask", (2, 1, x.size(2)))
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- self.context.set_input_shape("mu", (2, 80, x.size(2)))
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- self.context.set_input_shape("t", (2,))
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- self.context.set_input_shape("spks", (2, 80))
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- self.context.set_input_shape("cond", (2, 80, x.size(2)))
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- # run trt engine
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- self.context.execute_v2(
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- [
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- x.contiguous().data_ptr(),
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- mask.contiguous().data_ptr(),
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- mu.contiguous().data_ptr(),
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- t.contiguous().data_ptr(),
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- spks.contiguous().data_ptr(),
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- cond.contiguous().data_ptr(),
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- x.data_ptr(),
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- ]
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- )
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- return x
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-
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- def __call__(
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- self,
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- x: torch.Tensor,
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- mask: torch.Tensor,
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- mu: torch.Tensor,
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- t: torch.Tensor,
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- spks: torch.Tensor,
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- cond: torch.Tensor,
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- ):
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- return self.forward(x, mask, mu, t, spks, cond)
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