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add execution context failed creation exception #190

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Merged
merged 1 commit into from
Jul 5, 2022
Merged

add execution context failed creation exception #190

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13 changes: 8 additions & 5 deletions alonet/torch2trt/TRTExecutor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,9 @@ def __init__(
else:
self.engine = engine
self.context = self.engine.create_execution_context()
if self.context is None:
raise Exception("Execution context creation failed")

if profiling:
self.context.profiler = CustomProfiler()
# Allocate_buffer take into account if engine has dynamic axes
Expand Down Expand Up @@ -127,13 +130,13 @@ def execute(self, inputs_from_cpu=False, outputs_to_cpu=False):
Parameters
----------
inputs_from_cpu: bool, reload inputs from CPU again.
outputs_from_cpu: bool, transfer back all outputs back from GPU to CPU.
outputs_to_cpu: bool, transfer back all outputs back from GPU to CPU.

Examples
--------
~ Example of engine with 2 inputs eand 2 outputs ~
>>> # Normal use.
>>> engine = TRTExecutor(**kwrags)
>>> engine = TRTExecutor(shared_mem={}, **kwrags)
>>> engine.inputs[0].host, engine.inpts[1].host = np.ones(1), np.ones(1)
>>> outputs = engine.execute()
>>>
Expand All @@ -145,10 +148,10 @@ def execute(self, inputs_from_cpu=False, outputs_to_cpu=False):
>>> if i == 0:
>>> ## First time only
>>> engine.input[0].host = np.zeros(0)
>>> ekawrgs["inputs_from_cpu"] = True
>>> ekwargs["inputs_from_cpu"] = True
>>> engine.execute(**ekwargs)
>>> # Retieve last output 1 from gpu
>>> engine.execute(outputs_to_cpu)
>>> # Retieve last output of index 1 from gpu
>>> engine.execute(outputs_to_cpu=True)
>>> print(engine.outputs.host[1])
"""
if self.has_dynamic_axes:
Expand Down