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Switch fbcode builds of ExecuTorch and PyTorch to fbsource sleef (#11352)
This PR was created by the merge bot to help merge the original PR into the main branch. ghstack PR number: #11261 by @swolchok ^ Please use this as the source of truth for the PR details, comments, and reviews ghstack PR base: https://github.com/pytorch/executorch/tree/gh/swolchok/442/base ghstack PR head: https://github.com/pytorch/executorch/tree/gh/swolchok/442/head Merge bot PR base: https://github.com/pytorch/executorch/tree/main Merge bot PR head: https://github.com/pytorch/executorch/tree/gh/swolchok/442/orig @diff-train-skip-merge Co-authored-by: Scott Wolchok <[email protected]>
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-42
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3 files changed

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‎kernels/optimized/lib_defs.bzl‎

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Original file line numberDiff line numberDiff line change
@@ -111,10 +111,6 @@ def get_preprocessor_flags():
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return preprocessor_flags
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# Currently, having a dependency on fbsource//third-party/sleef:sleef may cause
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# duplicate symbol errors when linking fbcode targets in opt mode that also
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# depend on ATen. This is because ATen accesses sleef via the third-party folder
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# in caffe2 (caffe2/third-party//sleef:sleef).
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# TODO(ssjia): Enable -DCPU_CAPABILITY_AVX2 in fbcode, which requires sleef.
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def define_libs(is_fbcode=False):
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runtime.cxx_library(

‎runtime/core/portable_type/c10/c10/targets.bzl‎

Lines changed: 56 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,47 @@
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load("@fbsource//xplat/executorch/build:runtime_wrapper.bzl", "runtime", "is_arvr_mode")
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3-
def get_sleef_preprocessor_flags():
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def get_preprocessor_flags(is_fbcode):
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flags = ["-DSTANDALONE_TORCH_HEADER"]
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if runtime.is_oss:
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return []
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return ["-DAT_BUILD_ARM_VEC256_WITH_SLEEF"]
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return flags
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arm64_flags = [
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"-DCPU_CAPABILITY_DEFAULT",
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]
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if is_fbcode:
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# TODO: enable Sleef in xplat?
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arm64_flags = arm64_flags + ["-DAT_BUILD_ARM_VEC256_WITH_SLEEF"]
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x86_avx2_flags = [
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"-DCPU_CAPABILITY_AVX2",
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"-DHAVE_AVX2_CPU_DEFINITION",
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]
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default_flags = [
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"-DCPU_CAPABILITY_DEFAULT",
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]
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fbcode_flags = select({
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"ovr_config//cpu:x86_64": x86_avx2_flags,
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"ovr_config//cpu:arm64": arm64_flags,
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"DEFAULT": default_flags,
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})
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non_fbcode_flags = select({
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"ovr_config//cpu/x86:avx2": x86_avx2_flags,
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"ovr_config//cpu:arm64": arm64_flags,
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"DEFAULT": default_flags,
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})
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return flags + ["-DET_USE_PYTORCH_HEADERS"] + (fbcode_flags if is_fbcode else non_fbcode_flags)
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def get_sleef_deps():
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if runtime.is_oss:
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return []
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return select({
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"DEFAULT": [],
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"ovr_config//cpu:x86_64": [
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"fbsource//third-party/sleef:sleef",
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],
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"ovr_config//cpu:arm64": [
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"fbsource//third-party/sleef:sleef",
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],
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})
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def define_common_targets():
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"""Defines targets that should be shared between fbcode and xplat.
@@ -54,42 +91,30 @@ def define_common_targets():
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name = "aten_headers_for_executorch",
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srcs = [],
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visibility = ["//executorch/kernels/optimized/...", "@EXECUTORCH_CLIENTS"],
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# select() on ovr_config//runtime:fbcode does not work
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# properly in all cases. I have seen
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# //xplat/executorch/runtime/core/portable_type/c10/c10:aten_headers_for_executorch
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# pass such a select in (at least) arvr mode. Going back to
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# fbcode_exported_deps accordingly.
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exported_deps = select({
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"DEFAULT": [],
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"ovr_config//cpu:arm64": [
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"fbsource//third-party/sleef:sleef",
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] if not runtime.is_oss else [],
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# fbsource//third-party/sleef:sleef currently fails to
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# link with missing symbols, hence the fbcode-specific dep below.
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}),
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xplat_exported_deps = [
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"//xplat/caffe2:aten_header",
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"//xplat/caffe2/c10:c10_headers",
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("//xplat/caffe2:ovrsource_aten_Config.h"
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if is_arvr_mode() else "//xplat/caffe2:generated_aten_config_header"),
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], # + get_sleef_deps(), # TODO: enable Sleef in xplat?
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fbcode_exported_deps = ([
66112
"//caffe2:aten-headers-cpu",
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"//caffe2:generated-config-header",
68114
"//caffe2/c10:c10_headers",
69-
] + select({
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"DEFAULT": [],
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"ovr_config//cpu:x86_64": [
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"third-party//sleef:sleef",
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]
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})) if not runtime.is_oss else [],
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fbcode_exported_preprocessor_flags = [
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# We don't -DCPU_CAPABILITY=AVX2 because that trips
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# -Wmacro-redefined, and we only care about getting
78-
# reasonable vectorization and Sleef support.
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"-DCPU_CAPABILITY_AVX2",
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"-DET_USE_PYTORCH_HEADERS",
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"-DHAVE_AVX2_CPU_DEFINITION",
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"-DSTANDALONE_TORCH_HEADER",
83-
] + get_sleef_preprocessor_flags(),
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xplat_exported_deps = [
85-
"//xplat/caffe2:aten_header",
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"//xplat/caffe2/c10:c10_headers",
87-
] + ["//xplat/caffe2:ovrsource_aten_Config.h" if is_arvr_mode() else "//xplat/caffe2:generated_aten_config_header",],
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exported_preprocessor_flags = select({
89-
# Intentionally punting on non-fbcode x86 sleef support
90-
# for now because of fbsource//third-party/sleef:sleef
91-
# linker failure.
92-
"ovr_config//cpu:arm64": get_sleef_preprocessor_flags(),
93-
"DEFAULT": [],
94-
}) + ["-DSTANDALONE_TORCH_HEADER"] + ([] if runtime.is_oss else ["-DET_USE_PYTORCH_HEADERS"]),
115+
] + get_sleef_deps()) if not runtime.is_oss else [],
116+
exported_preprocessor_flags = get_preprocessor_flags(is_fbcode=False)
117+
+ ([] if runtime.is_oss else ["-DET_USE_PYTORCH_HEADERS"]),
118+
fbcode_exported_preprocessor_flags = get_preprocessor_flags(is_fbcode=True)
119+
+ ([] if runtime.is_oss else ["-DET_USE_PYTORCH_HEADERS"]),
95120
)

‎shim_et/xplat/executorch/kernels/optimized/lib_defs.bzl‎

Lines changed: 6 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -69,15 +69,14 @@ def get_vec_cxx_preprocessor_flags():
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return preprocessor_flags
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7171
def get_vec_fbcode_preprocessor_flags():
72-
preprocessor_flags = [
73-
"-DCPU_CAPABILITY_AVX2",
74-
]
72+
preprocessor_flags = select({
73+
"ovr_config//cpu/x86:avx2": [
74+
"-DCPU_CAPABILITY_AVX2",
75+
],
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"DEFAULT": [],
77+
})
7578
return preprocessor_flags
7679

77-
# Currently, having a dependency on fbsource//third-party/sleef:sleef may cause
78-
# duplicate symbol errors when linking fbcode targets in opt mode that also
79-
# depend on ATen. This is because ATen accesses sleef via the third-party folder
80-
# in caffe2 (caffe2/third-party//sleef:sleef).
8180
# TODO(ssjia): Enable -DCPU_CAPABILITY_AVX2 in fbcode, which requires sleef.
8281
def define_libs():
8382
runtime.cxx_library(

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