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common_types.py
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common_types.py
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# Copyright 2023 Google LLC
#
# 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
#
# https://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.
"""Common types."""
from typing import Any, Sequence
from flax.linen import partitioning
import jax
import jax.numpy as jnp
Config = Any
Array = jnp.ndarray
PRNGKey = jnp.ndarray
DType = jnp.dtype
Shape = Sequence[int]
Mesh = jax.sharding.Mesh
ScanIn = partitioning.ScanIn
AxisNames = tuple[str, ...]
BATCH = "activation_batch"
LENGTH = "activation_length"
HEAD = "activation_heads"
D_KV = "activation_kv"
MODEL_MODE_AUTOREGRESSIVE = "autoregressive"
MODEL_MODE_PREFILL = "prefill"
MODEL_MODE_TRAIN = "train"
DECODING_ACTIVE_SEQUENCE_INDICATOR = 1