executorch/backends/arm/constants.py at main · CodeLinaro/executorch · GitHub

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# Copyright 2025 Arm Limited and/or its affiliates.
#
# This source code is licensed under the BSD-style license found in the
# LICENSE file in the root directory of this source tree.

from typing import Any, cast, Final

from executorch.exir.dialects._ops import ops as exir_ops

exir_ops = cast(Any, exir_ops)

qd = exir_ops.edge.quantized_decomposed

QUANT_PER_TENSOR_OP: Final = qd.quantize_per_tensor.default
QUANT_PER_TENSOR_OP_T: Final = qd.quantize_per_tensor.tensor
QUANT_PER_CHANNEL_OP: Final = qd.quantize_per_channel.default

DEQUANT_PER_TENSOR_OP: Final = qd.dequantize_per_tensor.default
DEQUANT_PER_TENSOR_OP_T: Final = qd.dequantize_per_tensor.tensor
DEQUANT_PER_CHANNEL_OP: Final = qd.dequantize_per_channel.default

Q_OPS: Final = (QUANT_PER_TENSOR_OP, QUANT_PER_TENSOR_OP_T, QUANT_PER_CHANNEL_OP)
DQ_OPS: Final = (DEQUANT_PER_TENSOR_OP, DEQUANT_PER_TENSOR_OP_T, DEQUANT_PER_CHANNEL_OP)

PER_TENSOR_QDQ_OPS: Final = (
    QUANT_PER_TENSOR_OP,
    QUANT_PER_TENSOR_OP_T,
    DEQUANT_PER_TENSOR_OP,
    DEQUANT_PER_TENSOR_OP_T,
)
PER_CHANNEL_QDQ_OPS: Final = (QUANT_PER_CHANNEL_OP, DEQUANT_PER_CHANNEL_OP)

NHWC_ORDER: Final = (0, 2, 3, 1)
NHWC_INVERSE_ORDER: Final = (0, 3, 1, 2)
NNHWC_ORDER: Final = (0, 1, 3, 4, 2)
NNHWC_INVERSE_ORDER: Final = (0, 1, 4, 2, 3)
NNNHWC_ORDER: Final = (0, 1, 2, 4, 5, 3)
NNNHWC_INVERSE_ORDER: Final = (0, 1, 2, 5, 3, 4)

NCHW_ORDER: Final = (0, 1, 2, 3)
NNCHW_ORDER: Final = (0, 1, 2, 3, 4)
NNNCHW_ORDER: Final = (0, 1, 2, 3, 4, 5)

HWCM_ORDER: Final = (2, 3, 0, 1)

MAX_RANK: Final = 6

DISALLOW_TFA_META_KEY: Final = "_arm_disallow_tfa"