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Arm backend: Backend flow should not share compile spec object #15632

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Nov 6, 2025
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Arm backend: Backend flow should not share compile spec object #15632

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38 changes: 23 additions & 15 deletions backends/test/suite/flows/arm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,68 +5,76 @@

# Create flows for Arm Backends used to test operator and model suits

from collections.abc import Callable

from executorch.backends.arm.common.arm_compile_spec import ArmCompileSpec
from executorch.backends.arm.quantizer import get_symmetric_quantization_config
from executorch.backends.arm.test import common
from executorch.backends.arm.test.tester.arm_tester import ArmTester
from executorch.backends.arm.tosa.compile_spec import TosaCompileSpec
from executorch.backends.arm.util._factory import create_quantizer
from executorch.backends.test.suite.flow import TestFlow
from executorch.backends.xnnpack.test.tester.tester import Quantize


def _create_arm_flow(
name,
compile_spec: ArmCompileSpec,
name: str,
compile_spec_factory: Callable[[], ArmCompileSpec],
support_serialize: bool = True,
quantize: bool = True,
symmetric_io_quantization: bool = False,
per_channel_quantization: bool = True,
use_portable_ops: bool = True,
timeout: int = 1200,
) -> TestFlow:

def _create_arm_tester(*args, **kwargs) -> ArmTester:
kwargs["compile_spec"] = compile_spec
spec = compile_spec_factory()
kwargs["compile_spec"] = spec
return ArmTester(
*args, **kwargs, use_portable_ops=use_portable_ops, timeout=timeout
)

support_serialize = not isinstance(compile_spec, TosaCompileSpec)
quantize = compile_spec.tosa_spec.support_integer()

if quantize is True:
if quantize:

def create_quantize_stage() -> Quantize:
quantizer = create_quantizer(compile_spec)
spec = compile_spec_factory()
quantizer = create_quantizer(spec)
quantization_config = get_symmetric_quantization_config(
is_per_channel=per_channel_quantization
)
if symmetric_io_quantization:
quantizer.set_io(quantization_config)
return Quantize(quantizer, quantization_config)
return Quantize(quantizer, quantization_config) # type: ignore

return TestFlow(
name,
backend="arm",
tester_factory=_create_arm_tester,
supports_serialize=support_serialize,
quantize=quantize,
quantize_stage_factory=(create_quantize_stage if quantize is True else False),
quantize_stage_factory=(create_quantize_stage if quantize else False), # type: ignore
)


ARM_TOSA_FP_FLOW = _create_arm_flow(
"arm_tosa_fp",
common.get_tosa_compile_spec(tosa_spec="TOSA-1.0+FP"),
lambda: common.get_tosa_compile_spec(tosa_spec="TOSA-1.0+FP"),
support_serialize=False,
quantize=False,
)
ARM_TOSA_INT_FLOW = _create_arm_flow(
"arm_tosa_int",
common.get_tosa_compile_spec(tosa_spec="TOSA-1.0+INT"),
lambda: common.get_tosa_compile_spec(tosa_spec="TOSA-1.0+INT"),
support_serialize=False,
quantize=True,
)
ARM_ETHOS_U55_FLOW = _create_arm_flow(
"arm_ethos_u55",
common.get_u55_compile_spec(),
lambda: common.get_u55_compile_spec(),
quantize=True,
)
ARM_ETHOS_U85_FLOW = _create_arm_flow(
"arm_ethos_u85",
common.get_u85_compile_spec(),
lambda: common.get_u85_compile_spec(),
quantize=True,
)
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