37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
# Copyright 2025 The JAX Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# TODO(yashkatariya): Remove this after NamedSharding supports more complicated
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# shardings like sub-axes, strided shardings, etc.
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from jax._src.lib import xla_client
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from jax._src.sharding_impls import GSPMDSharding as GSPMDSharding
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def get_op_sharding_from_serialized_proto(
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sharding: bytes) -> xla_client.OpSharding:
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proto = xla_client.OpSharding()
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proto.ParseFromString(sharding)
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return proto
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def get_hlo_sharding_from_serialized_proto(
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sharding: bytes) -> xla_client.HloSharding:
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return xla_client.HloSharding.from_proto(
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get_op_sharding_from_serialized_proto(sharding))
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def get_serialized_proto_from_hlo_sharding(
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sharding: xla_client.HloSharding) -> bytes:
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return sharding.to_proto().SerializeToString()
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