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rocm_jax/build/build.py

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#!/usr/bin/python
#
# Copyright 2018 The JAX 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.
#
# Helper script for building JAX's libjax easily.
import argparse
import collections
import hashlib
import os
import platform
import re
import shutil
import stat
import subprocess
import sys
import textwrap
import urllib
# pylint: disable=g-import-not-at-top
if hasattr(urllib, "urlretrieve"):
urlretrieve = urllib.urlretrieve
else:
import urllib.request
urlretrieve = urllib.request.urlretrieve
if hasattr(shutil, "which"):
which = shutil.which
else:
from distutils.spawn import find_executable as which
# pylint: enable=g-import-not-at-top
def is_windows():
return sys.platform.startswith("win32")
def shell(cmd):
try:
output = subprocess.check_output(cmd)
except subprocess.CalledProcessError as e:
print(e.output)
raise
return output.decode("UTF-8").strip()
# Python
def get_python_bin_path(python_bin_path_flag):
"""Returns the path to the Python interpreter to use."""
path = python_bin_path_flag or sys.executable
return path.replace(os.sep, "/")
def get_python_version(python_bin_path):
version_output = shell(
[python_bin_path, "-c",
("import sys; print(\"{}.{}\".format(sys.version_info[0], "
"sys.version_info[1]))")])
major, minor = map(int, version_output.split("."))
return major, minor
def check_python_version(python_version):
if python_version < (3, 7):
print("ERROR: JAX requires Python 3.7 or newer, found ", python_version)
sys.exit(-1)
def check_numpy_version(python_bin_path):
version = shell(
[python_bin_path, "-c", "import numpy as np; print(np.__version__)"])
numpy_version = tuple(map(int, version.split(".")[:2]))
if numpy_version < (1, 20):
print("ERROR: JAX requires NumPy 1.20 or newer, found " + version + ".")
sys.exit(-1)
return version
# Bazel
BAZEL_BASE_URI = "https://github.com/bazelbuild/bazel/releases/download/5.1.1/"
BazelPackage = collections.namedtuple("BazelPackage",
["base_uri", "file", "sha256"])
bazel_packages = {
("Linux", "x86_64"):
BazelPackage(
base_uri=None,
file="bazel-5.1.1-linux-x86_64",
sha256=
"5e126060d9169b462a18e97435356c3b3712d20fdbef9ac7609016838a90e7d3"),
("Linux", "aarch64"):
BazelPackage(
base_uri=None,
file="bazel-5.1.1-linux-arm64",
sha256=
"a590a28608772e779efc0c29bb678cd2a150deb27a9f8c557cc1d2b131a779ef"),
("Darwin", "x86_64"):
BazelPackage(
base_uri=None,
file="bazel-5.1.1-darwin-x86_64",
sha256=
"91d8958fffd3077c32466a03300b7eba3b680588688f11d378ccbf2ae9000753"),
("Darwin", "arm64"):
BazelPackage(
base_uri=None,
file="bazel-5.1.1-darwin-arm64",
sha256=
"4fad9d066436ccca022578192be9fcc330d833799833c549683949939b3ce717"),
("Windows", "AMD64"):
BazelPackage(
base_uri=None,
file="bazel-5.1.1-windows-x86_64.exe",
sha256=
"03061f1e9aac1966155ca402dcd1075c6493dfe85df72aa2cf3e12fcaa258d90"),
}
def download_and_verify_bazel():
"""Downloads a bazel binary from Github, verifying its SHA256 hash."""
package = bazel_packages.get((platform.system(), platform.machine()))
if package is None:
return None
if not os.access(package.file, os.X_OK):
uri = (package.base_uri or BAZEL_BASE_URI) + package.file
sys.stdout.write(f"Downloading bazel from: {uri}\n")
def progress(block_count, block_size, total_size):
if total_size <= 0:
total_size = 170**6
progress = (block_count * block_size) / total_size
num_chars = 40
progress_chars = int(num_chars * progress)
sys.stdout.write("{} [{}{}] {}%\r".format(
package.file, "#" * progress_chars,
"." * (num_chars - progress_chars), int(progress * 100.0)))
tmp_path, _ = urlretrieve(uri, None,
progress if sys.stdout.isatty() else None)
sys.stdout.write("\n")
# Verify that the downloaded Bazel binary has the expected SHA256.
with open(tmp_path, "rb") as downloaded_file:
contents = downloaded_file.read()
digest = hashlib.sha256(contents).hexdigest()
if digest != package.sha256:
print(
"Checksum mismatch for downloaded bazel binary (expected {}; got {})."
.format(package.sha256, digest))
sys.exit(-1)
# Write the file as the bazel file name.
with open(package.file, "wb") as out_file:
out_file.write(contents)
# Mark the file as executable.
st = os.stat(package.file)
os.chmod(package.file,
st.st_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
return os.path.join(".", package.file)
def get_bazel_paths(bazel_path_flag):
"""Yields a sequence of guesses about bazel path. Some of sequence elements
can be None. The resulting iterator is lazy and potentially has a side
effects."""
yield bazel_path_flag
yield which("bazel")
yield download_and_verify_bazel()
def get_bazel_path(bazel_path_flag):
"""Returns the path to a Bazel binary, downloading Bazel if not found. Also,
checks Bazel's version is at least newer than 5.1.1
A manual version check is needed only for really old bazel versions.
Newer bazel releases perform their own version check against .bazelversion
(see for details
https://blog.bazel.build/2019/12/19/bazel-2.0.html#other-important-changes).
"""
for path in filter(None, get_bazel_paths(bazel_path_flag)):
version = get_bazel_version(path)
if version is not None and version >= (5, 1, 1):
return path, ".".join(map(str, version))
print("Cannot find or download a suitable version of bazel."
"Please install bazel >= 5.1.1.")
sys.exit(-1)
def get_bazel_version(bazel_path):
try:
version_output = shell([bazel_path, "--version"])
except subprocess.CalledProcessError:
return None
match = re.search(r"bazel *([0-9\\.]+)", version_output)
if match is None:
return None
return tuple(int(x) for x in match.group(1).split("."))
def write_bazelrc(*, python_bin_path, remote_build,
cuda_toolkit_path, cudnn_install_path,
cuda_version, cudnn_version, rocm_toolkit_path,
cpu, cuda_compute_capabilities,
rocm_amdgpu_targets, bazel_options, target_cpu_features,
wheel_cpu, enable_mkl_dnn, enable_cuda, enable_nccl,
enable_tpu, enable_remote_tpu, enable_rocm):
tf_cuda_paths = []
with open("../.jax_configure.bazelrc", "w") as f:
if not remote_build and python_bin_path:
f.write(textwrap.dedent("""\
build --strategy=Genrule=standalone
build --repo_env PYTHON_BIN_PATH="{python_bin_path}"
build --action_env=PYENV_ROOT
build --python_path="{python_bin_path}"
""").format(python_bin_path=python_bin_path))
if cuda_toolkit_path:
tf_cuda_paths.append(cuda_toolkit_path)
f.write("build --action_env CUDA_TOOLKIT_PATH=\"{cuda_toolkit_path}\"\n"
.format(cuda_toolkit_path=cuda_toolkit_path))
if cudnn_install_path:
# see https://github.com/tensorflow/tensorflow/issues/51040
if cudnn_install_path not in tf_cuda_paths:
tf_cuda_paths.append(cudnn_install_path)
f.write("build --action_env CUDNN_INSTALL_PATH=\"{cudnn_install_path}\"\n"
.format(cudnn_install_path=cudnn_install_path))
if len(tf_cuda_paths):
f.write("build --action_env TF_CUDA_PATHS=\"{tf_cuda_paths}\"\n"
.format(tf_cuda_paths=",".join(tf_cuda_paths)))
if cuda_version:
f.write("build --action_env TF_CUDA_VERSION=\"{cuda_version}\"\n"
.format(cuda_version=cuda_version))
if cudnn_version:
f.write("build --action_env TF_CUDNN_VERSION=\"{cudnn_version}\"\n"
.format(cudnn_version=cudnn_version))
if cuda_compute_capabilities:
f.write(
f'build:cuda --action_env TF_CUDA_COMPUTE_CAPABILITIES="{cuda_compute_capabilities}"\n')
if rocm_toolkit_path:
f.write("build --action_env ROCM_PATH=\"{rocm_toolkit_path}\"\n"
.format(rocm_toolkit_path=rocm_toolkit_path))
if rocm_amdgpu_targets:
f.write(
f'build:rocm --action_env TF_ROCM_AMDGPU_TARGETS="{rocm_amdgpu_targets}"\n')
if cpu is not None:
f.write("build --distinct_host_configuration=true\n")
f.write(f"build --cpu={cpu}\n")
else:
f.write("build --distinct_host_configuration=false\n")
for o in bazel_options:
f.write(f"build {o}\n")
if target_cpu_features == "release":
if wheel_cpu == "x86_64":
f.write("build --config=avx_windows\n" if is_windows()
else "build --config=avx_posix\n")
elif target_cpu_features == "native":
if is_windows():
print("--target_cpu_features=native is not supported on Windows; ignoring.")
else:
f.write("build --config=native_arch_posix\n")
if enable_mkl_dnn:
f.write("build --config=mkl_open_source_only\n")
if enable_cuda:
f.write("build --config=cuda\n")
if not enable_nccl:
f.write("build --config=nonccl\n")
if enable_tpu:
f.write("build --config=tpu\n")
if enable_remote_tpu:
f.write("build --//build:enable_remote_tpu=true\n")
if enable_rocm:
f.write("build --config=rocm\n")
if not enable_nccl:
f.write("build --config=nonccl\n")
BANNER = r"""
_ _ __ __
| | / \ \ \/ /
_ | |/ _ \ \ /
| |_| / ___ \/ \
\___/_/ \/_/\_\
"""
EPILOG = """
From the 'build' directory in the JAX repository, run
python build.py
or
python3 build.py
to download and build JAX's XLA (jaxlib) dependency.
"""
def _parse_string_as_bool(s):
"""Parses a string as a boolean argument."""
lower = s.lower()
if lower == "true":
return True
elif lower == "false":
return False
else:
raise ValueError(f"Expected either 'true' or 'false'; got {s}")
def add_boolean_argument(parser, name, default=False, help_str=None):
"""Creates a boolean flag."""
group = parser.add_mutually_exclusive_group()
group.add_argument(
"--" + name,
nargs="?",
default=default,
const=True,
type=_parse_string_as_bool,
help=help_str)
group.add_argument("--no" + name, dest=name, action="store_false")
def main():
cwd = os.getcwd()
parser = argparse.ArgumentParser(
description="Builds jaxlib from source.", epilog=EPILOG)
parser.add_argument(
"--bazel_path",
help="Path to the Bazel binary to use. The default is to find bazel via "
"the PATH; if none is found, downloads a fresh copy of bazel from "
"GitHub.")
parser.add_argument(
"--python_bin_path",
help="Path to Python binary to use. The default is the Python "
"interpreter used to run the build script.")
parser.add_argument(
"--target_cpu_features",
choices=["release", "native", "default"],
default="release",
help="What CPU features should we target? 'release' enables CPU "
"features that should be enabled for a release build, which on "
"x86-64 architectures enables AVX. 'native' enables "
"-march=native, which generates code targeted to use all "
"features of the current machine. 'default' means don't opt-in "
"to any architectural features and use whatever the C compiler "
"generates by default.")
add_boolean_argument(
parser,
"enable_mkl_dnn",
default=True,
help_str="Should we build with MKL-DNN enabled?")
add_boolean_argument(
parser,
"enable_cuda",
help_str="Should we build with CUDA enabled? Requires CUDA and CuDNN.")
add_boolean_argument(
parser,
"enable_tpu",
help_str="Should we build with Cloud TPU VM support enabled?")
add_boolean_argument(
parser,
"enable_remote_tpu",
help_str="Should we build with remote Cloud TPU support enabled?")
add_boolean_argument(
parser,
"enable_rocm",
help_str="Should we build with ROCm enabled?")
add_boolean_argument(
parser,
"enable_nccl",
default=True,
help_str="Should we build with NCCL enabled? Has no effect for non-CUDA "
"builds.")
add_boolean_argument(
parser,
"remote_build",
default=False,
help_str="Should we build with RBE (Remote Build Environment)?")
parser.add_argument(
"--cuda_path",
default=None,
help="Path to the CUDA toolkit.")
parser.add_argument(
"--cudnn_path",
default=None,
help="Path to CUDNN libraries.")
parser.add_argument(
"--cuda_version",
default=None,
help="CUDA toolkit version, e.g., 11.1")
parser.add_argument(
"--cudnn_version",
default=None,
help="CUDNN version, e.g., 8")
# Caution: if changing the default list of CUDA capabilities, you should also
# update the list in .bazelrc, which is used for wheel builds.
parser.add_argument(
"--cuda_compute_capabilities",
default=None,
help="A comma-separated list of CUDA compute capabilities to support.")
parser.add_argument(
"--rocm_amdgpu_targets",
default="gfx900,gfx906,gfx908,gfx90a,gfx1030",
help="A comma-separated list of ROCm amdgpu targets to support.")
parser.add_argument(
"--rocm_path",
default=None,
help="Path to the ROCm toolkit.")
parser.add_argument(
"--bazel_startup_options",
action="append", default=[],
help="Additional startup options to pass to bazel.")
parser.add_argument(
"--bazel_options",
action="append", default=[],
help="Additional options to pass to bazel.")
parser.add_argument(
"--output_path",
default=os.path.join(cwd, "dist"),
help="Directory to which the jaxlib wheel should be written")
parser.add_argument(
"--target_cpu",
default=None,
help="CPU platform to target. Default is the same as the host machine. "
"Currently supported values are 'darwin_arm64' and 'darwin_x86_64'.")
add_boolean_argument(
parser,
"configure_only",
default=False,
help_str="If true, writes a .bazelrc file but does not build jaxlib.")
args = parser.parse_args()
if is_windows() and args.enable_cuda:
if args.cuda_version is None:
parser.error("--cuda_version is needed for Windows CUDA build.")
if args.cudnn_version is None:
parser.error("--cudnn_version is needed for Windows CUDA build.")
if args.enable_cuda and args.enable_rocm:
parser.error("--enable_cuda and --enable_rocm cannot be enabled at the same time.")
print(BANNER)
output_path = os.path.abspath(args.output_path)
os.chdir(os.path.dirname(__file__ or args.prog) or '.')
host_cpu = platform.machine()
wheel_cpus = {
"darwin_arm64": "arm64",
"darwin_x86_64": "x86_64",
"ppc": "ppc64le",
"aarch64": "aarch64",
}
# TODO(phawkins): support other bazel cpu overrides.
wheel_cpu = (wheel_cpus[args.target_cpu] if args.target_cpu is not None
else host_cpu)
# Find a working Bazel.
bazel_path, bazel_version = get_bazel_path(args.bazel_path)
print(f"Bazel binary path: {bazel_path}")
print(f"Bazel version: {bazel_version}")
python_bin_path = get_python_bin_path(args.python_bin_path)
print(f"Python binary path: {python_bin_path}")
python_version = get_python_version(python_bin_path)
print("Python version: {}".format(".".join(map(str, python_version))))
check_python_version(python_version)
numpy_version = check_numpy_version(python_bin_path)
print(f"NumPy version: {numpy_version}")
print("MKL-DNN enabled: {}".format("yes" if args.enable_mkl_dnn else "no"))
print(f"Target CPU: {wheel_cpu}")
print(f"Target CPU features: {args.target_cpu_features}")
cuda_toolkit_path = args.cuda_path
cudnn_install_path = args.cudnn_path
rocm_toolkit_path = args.rocm_path
print("CUDA enabled: {}".format("yes" if args.enable_cuda else "no"))
if args.enable_cuda:
if cuda_toolkit_path:
print(f"CUDA toolkit path: {cuda_toolkit_path}")
if cudnn_install_path:
print(f"CUDNN library path: {cudnn_install_path}")
if args.cuda_compute_capabilities is not None:
print(f"CUDA compute capabilities: {args.cuda_compute_capabilities}")
if args.cuda_version:
print(f"CUDA version: {args.cuda_version}")
if args.cudnn_version:
print(f"CUDNN version: {args.cudnn_version}")
print("NCCL enabled: {}".format("yes" if args.enable_nccl else "no"))
print("TPU enabled: {}".format("yes" if args.enable_tpu else "no"))
print("Remote TPU enabled: {}".format("yes" if args.enable_remote_tpu else "no"))
print("ROCm enabled: {}".format("yes" if args.enable_rocm else "no"))
if args.enable_rocm:
if rocm_toolkit_path:
print(f"ROCm toolkit path: {rocm_toolkit_path}")
print(f"ROCm amdgpu targets: {args.rocm_amdgpu_targets}")
write_bazelrc(
python_bin_path=python_bin_path,
remote_build=args.remote_build,
cuda_toolkit_path=cuda_toolkit_path,
cudnn_install_path=cudnn_install_path,
cuda_version=args.cuda_version,
cudnn_version=args.cudnn_version,
rocm_toolkit_path=rocm_toolkit_path,
cpu=args.target_cpu,
cuda_compute_capabilities=args.cuda_compute_capabilities,
rocm_amdgpu_targets=args.rocm_amdgpu_targets,
bazel_options=args.bazel_options,
target_cpu_features=args.target_cpu_features,
wheel_cpu=wheel_cpu,
enable_mkl_dnn=args.enable_mkl_dnn,
enable_cuda=args.enable_cuda,
enable_nccl=args.enable_nccl,
enable_tpu=args.enable_tpu,
enable_remote_tpu=args.enable_remote_tpu,
enable_rocm=args.enable_rocm,
)
if args.configure_only:
return
print("\nBuilding XLA and installing it in the jaxlib source tree...")
command = ([bazel_path] + args.bazel_startup_options +
["run", "--verbose_failures=true"] +
[":build_wheel", "--",
f"--output_path={output_path}",
f"--cpu={wheel_cpu}"])
print(" ".join(command))
shell(command)
shell([bazel_path] + args.bazel_startup_options + ["shutdown"])
if __name__ == "__main__":
main()
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