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Implement dual LUT scheme for int16 reciprocal/rsqrt operations #16396

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Implement dual LUT scheme for int16 reciprocal/rsqrt operations #16396

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29 changes: 28 additions & 1 deletion backends/arm/_passes/TARGETS
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Original file line number Diff line number Diff line change
@@ -1,11 +1,38 @@
load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime")

# Core utilities that other passes depend on
runtime.python_library(
name = "core",
srcs = [
"arm_pass.py",
"arm_pass_utils.py",
"quant_args.py",
],
deps = [
"//executorch/backends/arm:common",
"//executorch/backends/arm:constants",
"//executorch/backends/arm/tosa:utils",
"//executorch/backends/arm/tosa/dialect:lib",
"//executorch/backends/transforms:utils",
"//executorch/exir:lib",
],
)

runtime.python_library(
name = "passes",
srcs = glob(["*.py"]),
srcs = glob(
["*.py"],
exclude = [
"arm_pass.py",
"arm_pass_utils.py",
"quant_args.py",
],
),
deps = [
":core",
"//executorch/backends/arm:common",
"//executorch/backends/arm:constants",
"//executorch/backends/arm/_passes/fb:fb",
"//executorch/backends/arm/tosa:utils",
"//executorch/backends/arm/tosa/dialect:lib",
"//executorch/backends/transforms:fuse_view_copy",
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2 changes: 2 additions & 0 deletions backends/arm/_passes/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@


from . import arm_pass_utils # noqa
from . import fb

Check failure on line 8 in backends/arm/_passes/__init__.py

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GitHub Actions / lintrunner-mypy / linux-job

MYPY attr-defined 

Module "backends.arm._passes" has no attribute "fb" 

To disable, use `  # type: ignore[attr-defined]`
from .arm_pass import ArmPass # noqa # usort: skip
from .annotate_decomposed_matmul import AnnotateDecomposedMatmulPass # noqa
from .annotate_output_dim_order_pass import AnnotateOutputDimOrderPass # noqa
Expand Down Expand Up @@ -80,6 +81,7 @@
)
from .decompose_var_pass import DecomposeVarPass # noqa
from .decorate_fp32_to_int32_casting_pass import DecorateFp32toInt32CastingPass # noqa
from .fb.reciprocal_dual_lut_pass import ReciprocalDualLutPass # noqa

Check failure on line 84 in backends/arm/_passes/__init__.py

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GitHub Actions / lintrunner-mypy / linux-job

MYPY import-not-found 

Cannot find implementation or library stub for module named "backends.arm._passes.fb.reciprocal_dual_lut_pass" 

To disable, use `  # type: ignore[import-not-found]`
from .fold_qdq_with_annotated_qparams_pass import ( # noqa
FoldAndAnnotateQParamsPass,
QuantizeClampArgumentsPass,
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3 changes: 3 additions & 0 deletions backends/arm/_passes/arm_pass_manager.py
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@
RewriteConvPass,
RewriteMatmulPass,
RewriteUpsamplePass,
ReciprocalDualLutPass,
ScalarsToAttributePass,
SizeAdjustInputPass,
ToTosaMemoryFormatPass,
Expand Down Expand Up @@ -331,6 +332,8 @@ def _tosa_pipeline(
FuseViewCopyTransformPass(),
DecomposeConvWithInt16ActivationPass(),
DecomposeSumPass(),
# FIX: Fixed LUT generation, re-enabled dual LUT pass
ReciprocalDualLutPass(exported_program),
InsertTableOpsPass(exported_program),
]
)
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