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Trial(mapping=None, *, ignore_unknown_fields=False, **kwargs)
A message representing a Trial. A Trial contains a unique set of Parameters that has been or will be evaluated, along with the objective metrics got by running the Trial.
Attributes |
|
---|---|
Name | Description |
name |
str
Output only. Resource name of the Trial assigned by the service. |
id |
str
Output only. The identifier of the Trial assigned by the service. |
state |
google.cloud.aiplatform_v1.types.Trial.State
Output only. The detailed state of the Trial. |
parameters |
MutableSequence[google.cloud.aiplatform_v1.types.Trial.Parameter]
Output only. The parameters of the Trial. |
final_measurement |
google.cloud.aiplatform_v1.types.Measurement
Output only. The final measurement containing the objective value. |
measurements |
MutableSequence[google.cloud.aiplatform_v1.types.Measurement]
Output only. A list of measurements that are strictly lexicographically ordered by their induced tuples (steps, elapsed_duration). These are used for early stopping computations. |
start_time |
google.protobuf.timestamp_pb2.Timestamp
Output only. Time when the Trial was started. |
end_time |
google.protobuf.timestamp_pb2.Timestamp
Output only. Time when the Trial's status changed to SUCCEEDED or INFEASIBLE .
|
client_id |
str
Output only. The identifier of the client that originally requested this Trial. Each client is identified by a unique client_id. When a client asks for a suggestion, Vertex AI Vizier will assign it a Trial. The client should evaluate the Trial, complete it, and report back to Vertex AI Vizier. If suggestion is asked again by same client_id before the Trial is completed, the same Trial will be returned. Multiple clients with different client_ids can ask for suggestions simultaneously, each of them will get their own Trial. |
infeasible_reason |
str
Output only. A human readable string describing why the Trial is infeasible. This is set only if Trial state is INFEASIBLE .
|
custom_job |
str
Output only. The CustomJob name linked to the Trial. It's set for a HyperparameterTuningJob's Trial. |
web_access_uris |
MutableMapping[str, str]
Output only. URIs for accessing `interactive shells |
Classes
Parameter
Parameter(mapping=None, *, ignore_unknown_fields=False, **kwargs)
A message representing a parameter to be tuned.
State
State(value)
Describes a Trial state.
WebAccessUrisEntry
WebAccessUrisEntry(mapping=None, *, ignore_unknown_fields=False, **kwargs)
The abstract base class for a message.
Parameters | |
---|---|
Name | Description |
kwargs |
dict
Keys and values corresponding to the fields of the message. |
mapping |
Union[dict,
A dictionary or message to be used to determine the values for this message. |
ignore_unknown_fields |
Optional(bool)
If True, do not raise errors for unknown fields. Only applied if |
Methods
Trial
Trial(mapping=None, *, ignore_unknown_fields=False, **kwargs)
A message representing a Trial. A Trial contains a unique set of Parameters that has been or will be evaluated, along with the objective metrics got by running the Trial.