tf.experimental.tensorrt.ConversionParams
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Parameters that are used for TF-TRT conversion.
tf.experimental.tensorrt.ConversionParams(
max_workspace_size_bytes=DEFAULT_TRT_MAX_WORKSPACE_SIZE_BYTES,
precision_mode=TrtPrecisionMode.FP32,
minimum_segment_size=3,
maximum_cached_engines=1,
use_calibration=True,
allow_build_at_runtime=True
)
Fields |
max_workspace_size_bytes
|
the maximum GPU temporary memory that the TRT
engine can use at execution time. This corresponds to the
'workspaceSize' parameter of nvinfer1::IBuilder::setMaxWorkspaceSize().
|
precision_mode
|
one of the strings in
TrtPrecisionMode.supported_precision_modes().
|
minimum_segment_size
|
the minimum number of nodes required for a subgraph
to be replaced by TRTEngineOp.
|
maximum_cached_engines
|
max number of cached TRT engines for dynamic TRT
ops. Created TRT engines for a dynamic dimension are cached. If the
number of cached engines is already at max but none of them supports the
input shapes, the TRTEngineOp will fall back to run the original TF
subgraph that corresponds to the TRTEngineOp.
|
use_calibration
|
this argument is ignored if precision_mode is not INT8.
If set to True, a calibration graph will be created to calibrate the
missing ranges. The calibration graph must be converted to an inference
graph by running calibration with calibrate(). If set to False,
quantization nodes will be expected for every tensor in the graph
(excluding those which will be fused). If a range is missing, an error
will occur. Please note that accuracy may be negatively affected if
there is a mismatch between which tensors TRT quantizes and which
tensors were trained with fake quantization.
|
allow_build_at_runtime
|
whether to allow building TensorRT engines during
runtime if no prebuilt TensorRT engine can be found that can handle the
given inputs during runtime, then a new TensorRT engine is built at
runtime if allow_build_at_runtime=True, and otherwise native TF is used.
|
Attributes |
max_workspace_size_bytes
|
A namedtuple alias for field number 0
|
precision_mode
|
A namedtuple alias for field number 1
|
minimum_segment_size
|
A namedtuple alias for field number 2
|
maximum_cached_engines
|
A namedtuple alias for field number 3
|
use_calibration
|
A namedtuple alias for field number 4
|
allow_build_at_runtime
|
A namedtuple alias for field number 5
|
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Last updated 2024-04-26 UTC.
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