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apache--tvm/python/tvm/backend/trn/transform/__init__.py
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chore: import upstream snapshot with attribution
2026-07-13 13:36:25 +08:00

54 lines
1.9 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
"""Trainium-specific TIRX transformations."""
# pylint: disable=invalid-name
from tvm_ffi import get_global_func
import tvm
from tvm import tirx
_LAZY_TRANSFORMS = {
"TrnNaiveAllocator": ".naive_allocator",
"TrnPrivateBufferAlloc": ".private_buffer_alloc",
}
def LowerTrainiumLayout():
"""Lower Trainium layouts to backend physical buffer shapes and indices."""
return get_global_func("tirx.backend.trn.transform.LowerTrainiumLayout")()
def LowerTIRx():
"""Lower TIRx tile primitive calls for the Trainium backend."""
return tvm.ir.transform.Sequential(
[tirx.transform.TilePrimitiveDispatch(), LowerTrainiumLayout()],
name="tirx.backend.trn.LowerTIRx",
)
def __getattr__(name):
target = _LAZY_TRANSFORMS.get(name)
if target is None:
raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
from importlib import import_module # pylint: disable=import-outside-toplevel
return getattr(import_module(target, __name__), name)
__all__ = ["LowerTIRx", "LowerTrainiumLayout", "TrnNaiveAllocator", "TrnPrivateBufferAlloc"]