def get_dummy_inputs(
batch_size: int,
past_sequence_length: int,
sequence_length: int,
num_attention_heads: int,
hidden_size: int,
num_layer: int,
vocab_size: int,
device: torch.device,
float16: bool = False,
has_position_ids: bool = True,
has_attention_mask: bool = True) -> Gpt2BeamSearchInputs:
"""Create random inputs for GPT2 model.
Returns torch tensors of input_ids, position_ids, attention_mask and a list of past state tensors.
"""
gpt2_dummy_inputs = Gpt2Helper.get_dummy_inputs(
batch_size, past_sequence_length, sequence_length,
num_attention_heads, hidden_size, num_layer, vocab_size, device,
float16, has_position_ids, has_attention_mask)
float_type = torch.float16 if float16 else torch.float32
beam_select_idx = torch.zeros([1, batch_size], device=device).long()
input_log_probs = torch.zeros([batch_size, 1],
dtype=float_type,
device=device)
input_unfinished_sents = torch.ones([batch_size, 1],
dtype=torch.bool,
device=device)
if has_position_ids:
prev_step_results = torch.randint(
low=0,
high=vocab_size - 1,
size=(batch_size, sequence_length),
dtype=torch.int64,
device=device,
)
else:
prev_step_results = None
prev_step_scores = torch.zeros([batch_size, 1],
dtype=float_type,
device=device)
return Gpt2BeamSearchInputs(
gpt2_dummy_inputs.input_ids,
gpt2_dummy_inputs.past,
gpt2_dummy_inputs.position_ids,
gpt2_dummy_inputs.attention_mask,
beam_select_idx,
input_log_probs,
input_unfinished_sents,
prev_step_results,
prev_step_scores,
)
def main(args):
logger.info(f"Arguments:{args}")
if args.precision == Precision.FLOAT16:
assert args.optimize_onnx and args.use_gpu, "fp16 requires --optimize_onnx --use_gpu"
if args.precision == Precision.INT8:
assert not args.use_gpu, "quantization only supports CPU"
torch.set_num_threads(
psutil.cpu_count(
logical=True) if args.thread_num <= 0 else args.thread_num)
print(torch.__config__.parallel_info())
cache_dir = args.cache_dir
output_dir = args.onnx_dir
prepare_environment(cache_dir, output_dir, args.use_gpu)
model_class = MODEL_CLASSES[args.model_class][0]
config = AutoConfig.from_pretrained(args.model_name_or_path,
torchscript=args.torchscript,
cache_dir=cache_dir)
model = model_class.from_pretrained(args.model_name_or_path,
config=config,
cache_dir=cache_dir)
# This scirpt does not support float16 for PyTorch.
#if args.float16:
# model.half()
device = torch.device("cuda:0" if args.use_gpu else "cpu")
model.to(device)
use_external_data_format = (config.n_layer > 24
) #TODO: find a way to check model size > 2GB
onnx_model_paths = Gpt2Helper.get_onnx_paths(
output_dir,
args.model_name_or_path,
args.model_class,
has_past=True,
new_folder=use_external_data_format)
onnx_model_path = onnx_model_paths["raw"]
use_padding = MODEL_CLASSES[args.model_class][2]
Gpt2Helper.export_onnx(model,
device,
onnx_model_path,
args.verbose,
use_external_data_format,
has_position_ids=use_padding,
has_attention_mask=use_padding)
if args.optimize_onnx or args.precision != Precision.FLOAT32:
onnx_model_path = onnx_model_paths[str(
args.precision) if args.precision != Precision.INT8 else 'fp32']
Gpt2Helper.optimize_onnx(onnx_model_paths["raw"], onnx_model_path,
args.precision == Precision.FLOAT16,
model.config.num_attention_heads,
model.config.hidden_size,
use_external_data_format)
if args.precision == Precision.INT8:
logger.info("quantizing model...")
QuantizeHelper.quantize_onnx_model(onnx_model_path,
onnx_model_paths["int8"],
use_external_data_format)
model = QuantizeHelper.quantize_torch_model(model)
logger.info("finished quantizing model")
onnx_model_path = onnx_model_paths["int8"]
if args.torchscript:
model = Gpt2Helper.torchscript(model,
config,
device,
has_position_ids=use_padding,
has_attention_mask=use_padding)
session = create_onnxruntime_session(onnx_model_path,
args.use_gpu,
enable_all_optimization=False,
num_threads=args.thread_num,
verbose=args.verbose)
if session is None:
return
# Allocate output buffers for IO Binding
max_output_shapes = Gpt2Helper.get_output_shapes(
max(args.batch_sizes), max(args.past_sequence_lengths),
max(args.sequence_lengths), config, args.model_class)
output_buffers = Gpt2Helper.get_output_buffers(
max_output_shapes, device, args.precision == Precision.FLOAT16)
csv_filename = args.result_csv or "benchmark_result_{}.csv".format(
datetime.now().strftime("%Y%m%d-%H%M%S"))
with open(csv_filename, mode="a", newline='') as csv_file:
column_names = [
"model_name", "model_class", "gpu", "precision", "optimizer",
"torchscript", "batch_size", "sequence_length",
"past_sequence_length", "torch_latency", "onnxruntime_latency",
"onnxruntime_io_binding_latency"
]
csv_writer = csv.DictWriter(csv_file, fieldnames=column_names)
csv_writer.writeheader()
for batch_size in args.batch_sizes:
for sequence_length in args.sequence_lengths:
for past_sequence_length in args.past_sequence_lengths:
assert batch_size > 0 and sequence_length > 0 and past_sequence_length >= 0
logger.debug(
f"Running test for batch_size={batch_size} sequence_length={sequence_length} past_sequence_length={past_sequence_length}..."
)
dummy_inputs = Gpt2Helper.get_dummy_inputs(
batch_size,
past_sequence_length,
sequence_length,
config.num_attention_heads,
config.hidden_size,
config.n_layer,
config.vocab_size,
device,
float16=(args.precision == Precision.FLOAT16),
has_position_ids=use_padding,
has_attention_mask=use_padding)
output_shapes = Gpt2Helper.get_output_shapes(
batch_size, past_sequence_length, sequence_length,
config, args.model_class)
try:
outputs, torch_latency = Gpt2Helper.pytorch_inference(
model, dummy_inputs, args.test_times)
ort_outputs, ort_latency = Gpt2Helper.onnxruntime_inference(
session, dummy_inputs, args.test_times)
ort_io_outputs, ort_io_latency = Gpt2Helper.onnxruntime_inference_with_binded_io(
session,
dummy_inputs,
output_buffers,
output_shapes,
args.test_times,
return_numpy=False,
include_copy_output_latency=args.
include_copy_output_latency)
if args.validate_onnx:
if Gpt2Helper.compare_outputs(
outputs,
ort_outputs,
rtol=DEFAULT_TOLERANCE[args.precision],
atol=DEFAULT_TOLERANCE[args.precision]):
logger.info(
f'Pytorch and ONNX Runtime outputs are all close (tolerance={DEFAULT_TOLERANCE[args.precision]}).'
)
# Results of IO binding might be in GPU. Copy outputs to CPU for comparison.
copy_outputs = []
for output in ort_io_outputs:
copy_outputs.append(output.cpu().numpy())
if Gpt2Helper.compare_outputs(
outputs,
copy_outputs,
rtol=DEFAULT_TOLERANCE[args.precision],
atol=DEFAULT_TOLERANCE[args.precision]):
logger.info(
f'Pytorch and ONNX Runtime IO Binding outputs are all close (tolerance={DEFAULT_TOLERANCE[args.precision]}).'
)
logger.info(
f"batch_size={batch_size}, sequence_length={sequence_length}, past_sequence_length={past_sequence_length}, torch_latency={torch_latency:.2f}, onnxruntime_latency={ort_latency:.2f}, onnxruntime_io_binding_latency={ort_io_latency:.2f}"
)
row = {
"model_name":
args.model_name_or_path,
"model_class":
args.model_class,
"gpu":
args.use_gpu,
"precision":
args.precision,
"optimizer":
args.optimize_onnx,
"torchscript":
args.torchscript,
"batch_size":
batch_size,
"sequence_length":
sequence_length,
"past_sequence_length":
past_sequence_length,
"torch_latency":
f"{torch_latency:.2f}",
"onnxruntime_latency":
f"{ort_latency:.2f}",
"onnxruntime_io_binding_latency":
f"{ort_io_latency:.2f}"
}
csv_writer.writerow(row)
except:
logger.error(f"Exception", exc_info=True)
logger.info(f"Results are saved to file {csv_filename}")
return csv_filename
if __name__ == '__main__':
# Below example shows how to use this helper to investigate parity issue of gpt-2 fp32 and fp16 onnx model
# Please build ORT with --cmake_extra_defines onnxruntime_DEBUG_NODE_INPUTS_OUTPUTS=ON !!
multiprocessing.set_start_method('spawn')
# Generate Inputs
sequence_length = 8
past_sequence_length = 8
batch_size = 5
dummy_inputs_fp16 = Gpt2Helper.get_dummy_inputs(batch_size,
past_sequence_length,
sequence_length,
12,
768,
12,
50257,
device=torch.device("cpu"),
float16=True)
dummy_inputs_fp32 = dummy_inputs_fp16.to_fp32()
# Get GPT-2 model from huggingface using convert_to_onnx.py
os.system(
'python convert_to_onnx.py -m gpt2 --output gpt2_fp32.onnx -o -p fp32 --use_gpu'
)
os.system(
'python convert_to_onnx.py -m gpt2 --output gpt2_fp16.onnx -o -p fp16 --use_gpu'
)
# Specify the directory to dump the node's I/O
def main():
args = parse_arguments()
setup_logger(args.verbose)
logger.info(f"Arguments:{args}")
if args.precision == Precision.FLOAT16:
assert args.optimize_onnx and args.use_gpu, "fp16 requires --optimize_onnx --use_gpu"
if args.precision == Precision.INT8:
assert not args.use_gpu, "quantization only supports CPU"
torch.set_num_threads(
psutil.cpu_count(
logical=True) if args.thread_num <= 0 else args.thread_num)
print(torch.__config__.parallel_info())
cache_dir = args.cache_dir
output_dir = args.onnx_dir
prepare_environment(cache_dir, output_dir, args.use_gpu)
model_class = MODEL_CLASSES[args.model_class][0]
config = AutoConfig.from_pretrained(args.model_name,
torchscript=args.torchscript,
cache_dir=cache_dir)
if hasattr(config, 'return_tuple'):
config.return_tuple = True
model = model_class.from_pretrained(args.model_name,
config=config,
cache_dir=cache_dir)
# This scirpt does not support float16 for PyTorch.
#if args.float16:
# model.half()
device = torch.device("cuda:0" if args.use_gpu else "cpu")
model.to(device)
onnx_model_paths = Gpt2Helper.get_onnx_paths(output_dir, args.model_name,
args.model_class)
onnx_model_path = onnx_model_paths["raw"]
Gpt2Helper.export_onnx(model, device, onnx_model_path, args.verbose)
if args.optimize_onnx or args.precision != Precision.FLOAT32:
onnx_model_path = onnx_model_paths[str(args.precision)]
Gpt2Helper.optimize_onnx(onnx_model_paths["raw"], onnx_model_path,
args.precision == Precision.FLOAT16,
model.config.num_attention_heads,
model.config.hidden_size)
if args.precision == Precision.INT8:
logger.info("quantizing model...")
QuantizeHelper.quantize_onnx_model(onnx_model_path,
onnx_model_path)
model = QuantizeHelper.quantize_torch_model(model)
logger.info("finished quantizing model")
if args.torchscript:
model = Gpt2Helper.torchscript(model, config, device)
session = create_onnxruntime_session(onnx_model_path,
args.use_gpu,
enable_all_optimization=False,
num_threads=args.thread_num,
verbose=args.verbose)
if session is None:
return
# One word is generated for each inference. This length does not include that of past state.
sequence_length = 1
# Allocate output buffers for IO Binding
max_output_shapes = Gpt2Helper.get_output_shapes(
max(args.batch_sizes), max(args.past_sequence_lengths),
sequence_length, config, args.model_class)
output_buffers = Gpt2Helper.get_output_buffers(
max_output_shapes, device, args.precision == Precision.FLOAT16)
csv_filename = args.result_csv or "benchmark_result_{}.csv".format(
datetime.now().strftime("%Y%m%d-%H%M%S"))
with open(csv_filename, mode="a", newline='') as csv_file:
column_names = [
"model_name", "model_class", "gpu", "precision", "optimizer",
"torchscript", "batch_size", "past_sequence_length",
"torch_latency", "ort_latency", "ort_io_latency"
]
csv_writer = csv.DictWriter(csv_file, fieldnames=column_names)
csv_writer.writeheader()
for batch_size in args.batch_sizes:
for past_sequence_length in args.past_sequence_lengths:
logger.debug(
f"Running test for batch_size={batch_size} past_sequence_length={past_sequence_length}..."
)
dummy_inputs = Gpt2Helper.get_dummy_inputs(
batch_size, past_sequence_length, sequence_length,
config.num_attention_heads, config.hidden_size,
config.n_layer, config.vocab_size, device,
args.precision == Precision.FLOAT16)
output_shapes = Gpt2Helper.get_output_shapes(
batch_size, past_sequence_length, sequence_length, config,
args.model_class)
try:
outputs, torch_latency = Gpt2Helper.pytorch_inference(
model, dummy_inputs, args.test_times)
ort_outputs, ort_latency = Gpt2Helper.onnxruntime_inference(
session, dummy_inputs, args.test_times)
ort_io_outputs, ort_io_latency = Gpt2Helper.onnxruntime_inference_with_binded_io(
session, dummy_inputs, output_buffers, output_shapes,
args.test_times)
if args.validate_onnx:
if Gpt2Helper.compare_outputs(
outputs,
ort_outputs,
rtol=DEFAULT_TOLERANCE[args.precision],
atol=DEFAULT_TOLERANCE[args.precision]):
logger.info(
f'Pytorch and ONNX Runtime outputs are all close (tolerance={DEFAULT_TOLERANCE[args.precision]}).'
)
if Gpt2Helper.compare_outputs(
outputs,
ort_io_outputs,
rtol=DEFAULT_TOLERANCE[args.precision],
atol=DEFAULT_TOLERANCE[args.precision]):
logger.info(
f'Pytorch and ONNX Runtime IO Binding outputs are all close (tolerance={DEFAULT_TOLERANCE[args.precision]}).'
)
logger.info(
f"batch_size={batch_size}, past_sequence_length={past_sequence_length}, torch_latency={torch_latency:.2f}, ort_latency={ort_latency:.2f}, ort_io_latency={ort_io_latency:.2f}"
)
row = {
"model_name": args.model_name,
"model_class": args.model_class,
"gpu": args.use_gpu,
"precision": args.precision,
"optimizer": args.optimize_onnx,
"torchscript": args.torchscript,
"batch_size": batch_size,
"past_sequence_length": past_sequence_length,
"torch_latency": f"{torch_latency:.2f}",
"ort_latency": f"{ort_latency:.2f}",
"ort_io_latency": f"{ort_io_latency:.2f}"
}
csv_writer.writerow(row)
except:
logger.error(f"Exception", exc_info=True)
logger.info(f"Results are saved to file {csv_filename}")