fleetbench/.bazelrc at main · google/fleetbench · GitHub

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# Copyright 2022 The Fleetbench Authors
#
# Licensed 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
#
#     https://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.

# Require c++17 for c++ files.
build --cxxopt='-std=c++17'
build --host_cxxopt='-std=c++17'

# Enable libpfm (performance counters) by default. This corresponds to
# the config setting in the benchmark library:
# https://github.com/google/benchmark/blob/d99cdd7356de97b3056684d6b511189778d8a247/BUILD.bazel#L47
build --define=pfm=1

# Disable RLS and XDS support in gRPC. We don't need these and they take
# a long time to build.
build --@com_github_grpc_grpc//:disable_grpc_rls
build --define=grpc_no_xds=true

test --test_timeout=1500

# Enable bounds-checking assertions in LLVM libcpp containers by default.
build --copt='-D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST'

# Define the --config=asan-libfuzzer configuration.
build:asan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine=@rules_fuzzing//fuzzing/engines:libfuzzer
build:asan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine_instrumentation=libfuzzer
build:asan-libfuzzer --@rules_fuzzing//fuzzing:cc_engine_sanitizer=asan

# Common compiler flags.
build --copt='-fno-exceptions'
build --copt='-funsigned-char'
build --copt='-fno-strict-aliasing'
build --copt='-fno-omit-frame-pointer'

# Compile for the native architecture. This can be overridden with
# --config=haswell, --config=westmere or --copt=-march=xyz
build --copt='-march=native'

# Optimized build. Prefer this for benchmarking.
build:opt --compilation_mode=opt
build:opt --copt='-O3'
build:opt --copt='-momit-leaf-frame-pointer'

build:opt --force_pic

# Clang-specific flags and settings.
# Define --config=clang. clang must be in the PATH.
build:clang --repo_env=CC=clang --repo_env=CXX=clang++
# Prevent warnings about gcc-specific arguments from --fdo_optimize.
build:clang --copt='-Wno-ignored-optimization-argument'
# bazel passes an unused '-c' flag to clang during header parsing.
# clang 21 complains about that.
build:clang --copt='-Wno-unused-command-line-argument'
# Allow instrprof_error::hash_mismatch profiles.
build:clang --copt='-Wno-error=backend-plugin'
build:clang --copt='-faligned-allocation'
build:clang --copt='-fnew-alignment=8'

# Cache clang artifacts in a different directory.
build:clang --platform_suffix=clang

# Architecture-specific optimizations.
build:haswell --copt='-march=haswell'
build:haswell --copt='-m64'
build:haswell --copt='-maes'
build:haswell --copt='-mprefer-vector-width=128'

build:westmere --copt='-march=westmere'
build:westmere --copt='-m64'
build:westmere --copt='-maes'
build:westmere --copt='-mcx16'
build:westmere --copt='-mpclmul'
build:westmere --copt='-mprefer-vector-width=128'
build:westmere --copt='-msse4.2'

build:arm --copt='-march=armv8-a'
build:arm --copt='-mcpu=neoverse-n1'
build:arm --copt='-mtune=neoverse-v2'