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Optional trt import #215

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merged 2 commits into from
Oct 4, 2022
Merged

Optional trt import #215

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659a977
Optional trt import
thibo73800 Aug 24, 2022
7ad7477
remove only fron init
Oct 4, 2022
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86 changes: 48 additions & 38 deletions alonet/torch2trt/calibrator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,16 @@
import os
import torch
import numpy as np
import tensorrt as trt
import pycuda.driver as cuda

try:
import tensorrt as trt
import pycuda.driver as cuda
prod_package_error = None
except Exception as e:
trt = None
cuda = None
prod_package_error = e
pass


class DataBatchStreamer:
Expand Down Expand Up @@ -74,6 +82,7 @@ def __init__(
limit_batches=None,
**kwargs,
):
if prod_package_error is not None: raise prod_package_error
for sample in dataset[0]:
if not isinstance(sample, (torch.Tensor, np.ndarray, Frame)):
raise TypeError(f"unknown sample type, expected samples to be instance of {' or '.join(self.FTYPES)} got {sample.__class__.__name__} instead")
Expand Down Expand Up @@ -195,45 +204,46 @@ def free(self):
d.free()


class MinMaxCalibrator(BaseCalibrator, trt.IInt8MinMaxCalibrator):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8MinMaxCalibrator.__init__(self)
super(MinMaxCalibrator, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)
if trt is not None:
class MinMaxCalibrator(BaseCalibrator, trt.IInt8MinMaxCalibrator):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8MinMaxCalibrator.__init__(self)
super(MinMaxCalibrator, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)


class LegacyCalibrator(BaseCalibrator, trt.IInt8LegacyCalibrator):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8LegacyCalibrator.__init__(self)
super(LegacyCalibrator, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)
class LegacyCalibrator(BaseCalibrator, trt.IInt8LegacyCalibrator):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8LegacyCalibrator.__init__(self)
super(LegacyCalibrator, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)


class EntropyCalibrator(BaseCalibrator, trt.IInt8EntropyCalibrator):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8EntropyCalibrator.__init__(self)
super(EntropyCalibrator, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)
class EntropyCalibrator(BaseCalibrator, trt.IInt8EntropyCalibrator):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8EntropyCalibrator.__init__(self)
super(EntropyCalibrator, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)


class EntropyCalibrator2(BaseCalibrator, trt.IInt8EntropyCalibrator2):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8EntropyCalibrator2.__init__(self)
super(EntropyCalibrator2, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)
class EntropyCalibrator2(BaseCalibrator, trt.IInt8EntropyCalibrator2):
def __init__(
self,
data_streamer,
cache_file,
**kwargs,
):
trt.IInt8EntropyCalibrator2.__init__(self)
super(EntropyCalibrator2, self).__init__(data_streamer=data_streamer, cache_file=cache_file, **kwargs)
24 changes: 16 additions & 8 deletions alonet/torch2trt/utils.py
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Original file line number Diff line number Diff line change
@@ -1,10 +1,15 @@
from alonet import ALONET_ROOT
from alonet.torch2trt.calibrator import (
LegacyCalibrator,
MinMaxCalibrator,
EntropyCalibrator,
EntropyCalibrator2,
)

try:
from alonet.torch2trt.calibrator import (
LegacyCalibrator,
MinMaxCalibrator,
EntropyCalibrator,
EntropyCalibrator2,
)
calibrator_import_error = None
except Exception as e:
calibrator_import_error = e

import os
import ctypes
Expand All @@ -13,9 +18,9 @@
import pycuda.driver as cuda
import onnx_graphsurgeon as gs
import tensorrt as trt

prod_package_error = None
except Exception as prod_package_error:
except Exception as e:
prod_package_error = e
pass


Expand All @@ -27,6 +32,9 @@ def create_calibrator(name: str, *args, **kwargs):
name : str
Calibrator name
"""
if calibrator_import_error is not None:
raise calibrator_import_error

CALIBS = ["minmax", "entropy", "entropy2", "legacy"]
if name == "entropy2":
return EntropyCalibrator2(*args, **kwargs)
Expand Down