/
multi_response_message.py
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/
multi_response_message.py
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# SPDX-FileCopyrightText: Copyright (c) 2022-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import dataclasses
import logging
import typing
import morpheus._lib.messages as _messages
from morpheus.messages.memory.tensor_memory import TensorMemory
from morpheus.messages.message_meta import MessageMeta
from morpheus.messages.multi_tensor_message import MultiTensorMessage
from morpheus.utils import logger as morpheus_logger
logger = logging.getLogger(__name__)
@dataclasses.dataclass
class MultiResponseMessage(MultiTensorMessage, cpp_class=_messages.MultiResponseMessage):
"""
This class contains several inference responses as well as the cooresponding message metadata.
"""
probs_tensor_name: typing.ClassVar[str] = "probs"
"""Name of the tensor that holds output probabilities"""
def __init__(self,
*,
meta: MessageMeta,
mess_offset: int = 0,
mess_count: int = -1,
memory: TensorMemory = None,
offset: int = 0,
count: int = -1,
id_tensor_name: str = "seq_ids",
probs_tensor_name: str = "probs"):
if probs_tensor_name is None:
raise ValueError("Cannot use None for `probs_tensor_name`")
self.probs_tensor_name = probs_tensor_name
# Add the tensor name to the required list
if (self.probs_tensor_name not in self.required_tensors):
# Make sure to set a new variable here instead of append otherwise you change all classes
self.required_tensors = self.required_tensors + [self.probs_tensor_name]
super().__init__(meta=meta,
mess_offset=mess_offset,
mess_count=mess_count,
memory=memory,
offset=offset,
count=count,
id_tensor_name=id_tensor_name)
@property
def outputs(self):
"""
Get outputs stored in the TensorMemory container. Alias for `MultiResponseMessage.tensors`.
Returns
-------
cupy.ndarray
Inference outputs.
"""
return self.tensors
def get_output(self, name: str):
"""
Get output stored in the TensorMemory container. Alias for `MultiResponseMessage.get_tensor`.
Parameters
----------
name : str
Output key name.
Returns
-------
cupy.ndarray
Inference output.
"""
return self.get_tensor(name)
def get_probs_tensor(self):
"""
Get the tensor that holds output probabilities. Equivalent to `get_tensor(probs_tensor_name)`
Returns
-------
cupy.ndarray
The probabilities tensor
Raises
------
KeyError
If `self.probs_tensor_name` is not found in the tensors
"""
try:
return self.get_tensor(self.probs_tensor_name)
except KeyError as exc:
raise KeyError(f"Cannopt get ID tensor. Tensor with name '{self.probs_tensor_name}' "
"does not exist in the memory object") from exc
@dataclasses.dataclass
class MultiResponseProbsMessage(MultiResponseMessage, cpp_class=_messages.MultiResponseProbsMessage):
"""
A stronger typed version of `MultiResponseMessage` that is used for inference workloads that return a probability
array. Helps ensure the proper outputs are set and eases debugging.
"""
required_tensors: typing.ClassVar[typing.List[str]] = ["probs"]
def __new__(cls, *args, **kwargs):
morpheus_logger.deprecated_message_warning(logger, cls, MultiResponseMessage)
return super(MultiResponseMessage, cls).__new__(cls, *args, **kwargs)
def __init__(self,
*,
meta: MessageMeta,
mess_offset: int = 0,
mess_count: int = -1,
memory: TensorMemory,
offset: int = 0,
count: int = -1,
id_tensor_name: str = "seq_ids",
probs_tensor_name: str = "probs"):
super().__init__(meta=meta,
mess_offset=mess_offset,
mess_count=mess_count,
memory=memory,
offset=offset,
count=count,
id_tensor_name=id_tensor_name,
probs_tensor_name=probs_tensor_name)
@property
def probs(self):
"""
Probabilities of prediction.
Returns
-------
cupy.ndarray
probabilities
"""
return self._get_tensor_prop("probs")
@dataclasses.dataclass
class MultiResponseAEMessage(MultiResponseMessage, cpp_class=None):
"""
A stronger typed version of `MultiResponseProbsMessage` that is used for inference workloads that return a
probability array. Helps ensure the proper outputs are set and eases debugging.
"""
user_id: str = None
def __init__(self,
*,
meta: MessageMeta,
mess_offset: int = 0,
mess_count: int = -1,
memory: TensorMemory = None,
offset: int = 0,
count: int = -1,
id_tensor_name: str = "seq_ids",
probs_tensor_name: str = "probs",
user_id: str = None):
if (user_id is None):
raise ValueError(f"Must define `user_id` when creating {self.__class__.__name__}")
self.user_id = user_id
super().__init__(meta=meta,
mess_offset=mess_offset,
mess_count=mess_count,
memory=memory,
offset=offset,
count=count,
id_tensor_name=id_tensor_name,
probs_tensor_name=probs_tensor_name)