vendored externals: update archspec (#30683)

- Better support for 164fx
- Better support for Apple M1(pro)
This commit is contained in:
Massimiliano Culpo 2022-05-18 11:31:20 +02:00 committed by GitHub
parent 1185eb9199
commit c775c322ec
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4 changed files with 109 additions and 38 deletions

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@ -18,7 +18,7 @@
* Homepage: https://pypi.python.org/pypi/archspec
* Usage: Labeling, comparison and detection of microarchitectures
* Version: 0.1.2 (commit 85757b6666422fca86aa882a769bf78b0f992f54)
* Version: 0.1.2 (commit 147942bd96219cf39e7001aef3644b43af76bdf6)
argparse
--------

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@ -61,7 +61,7 @@ def proc_cpuinfo():
``/proc/cpuinfo``
"""
info = {}
with open("/proc/cpuinfo") as file:
with open("/proc/cpuinfo") as file: # pylint: disable=unspecified-encoding
for line in file:
key, separator, value = line.partition(":")
@ -80,26 +80,46 @@ def proc_cpuinfo():
def _check_output(args, env):
output = subprocess.Popen(args, stdout=subprocess.PIPE, env=env).communicate()[0]
output = subprocess.Popen( # pylint: disable=consider-using-with
args, stdout=subprocess.PIPE, env=env
).communicate()[0]
return six.text_type(output.decode("utf-8"))
def _machine():
""" "Return the machine architecture we are on"""
operating_system = platform.system()
# If we are not on Darwin, trust what Python tells us
if operating_system != "Darwin":
return platform.machine()
# On Darwin it might happen that we are on M1, but using an interpreter
# built for x86_64. In that case "platform.machine() == 'x86_64'", so we
# need to fix that.
#
# See: https://bugs.python.org/issue42704
output = _check_output(
["sysctl", "-n", "machdep.cpu.brand_string"], env=_ensure_bin_usrbin_in_path()
).strip()
if "Apple" in output:
# Note that a native Python interpreter on Apple M1 would return
# "arm64" instead of "aarch64". Here we normalize to the latter.
return "aarch64"
return "x86_64"
@info_dict(operating_system="Darwin")
def sysctl_info_dict():
"""Returns a raw info dictionary parsing the output of sysctl."""
# Make sure that /sbin and /usr/sbin are in PATH as sysctl is
# usually found there
child_environment = dict(os.environ.items())
search_paths = child_environment.get("PATH", "").split(os.pathsep)
for additional_path in ("/sbin", "/usr/sbin"):
if additional_path not in search_paths:
search_paths.append(additional_path)
child_environment["PATH"] = os.pathsep.join(search_paths)
child_environment = _ensure_bin_usrbin_in_path()
def sysctl(*args):
return _check_output(["sysctl"] + list(args), env=child_environment).strip()
if platform.machine() == "x86_64":
if _machine() == "x86_64":
flags = (
sysctl("-n", "machdep.cpu.features").lower()
+ " "
@ -125,6 +145,18 @@ def sysctl(*args):
return info
def _ensure_bin_usrbin_in_path():
# Make sure that /sbin and /usr/sbin are in PATH as sysctl is
# usually found there
child_environment = dict(os.environ.items())
search_paths = child_environment.get("PATH", "").split(os.pathsep)
for additional_path in ("/sbin", "/usr/sbin"):
if additional_path not in search_paths:
search_paths.append(additional_path)
child_environment["PATH"] = os.pathsep.join(search_paths)
return child_environment
def adjust_raw_flags(info):
"""Adjust the flags detected on the system to homogenize
slightly different representations.
@ -184,12 +216,7 @@ def compatible_microarchitectures(info):
Args:
info (dict): dictionary containing information on the host cpu
"""
architecture_family = platform.machine()
# On Apple M1 platform.machine() returns "arm64" instead of "aarch64"
# so we should normalize the name here
if architecture_family == "arm64":
architecture_family = "aarch64"
architecture_family = _machine()
# If a tester is not registered, be conservative and assume no known
# target is compatible with the host
tester = COMPATIBILITY_CHECKS.get(architecture_family, lambda x, y: False)
@ -244,12 +271,7 @@ def compatibility_check(architecture_family):
architecture_family = (architecture_family,)
def decorator(func):
# pylint: disable=fixme
# TODO: on removal of Python 2.6 support this can be re-written as
# TODO: an update + a dict comprehension
for arch_family in architecture_family:
COMPATIBILITY_CHECKS[arch_family] = func
COMPATIBILITY_CHECKS.update({family: func for family in architecture_family})
return func
return decorator
@ -288,7 +310,7 @@ def compatibility_check_for_x86_64(info, target):
arch_root = TARGETS[basename]
return (
(target == arch_root or arch_root in target.ancestors)
and (target.vendor == vendor or target.vendor == "generic")
and target.vendor in (vendor, "generic")
and target.features.issubset(features)
)
@ -303,8 +325,9 @@ def compatibility_check_for_aarch64(info, target):
arch_root = TARGETS[basename]
return (
(target == arch_root or arch_root in target.ancestors)
and (target.vendor == vendor or target.vendor == "generic")
and target.features.issubset(features)
and target.vendor in (vendor, "generic")
# On macOS it seems impossible to get all the CPU features with syctl info
and (target.features.issubset(features) or platform.system() == "Darwin")
)

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@ -11,7 +11,7 @@
try:
from collections.abc import MutableMapping # novm
except ImportError:
from collections import MutableMapping
from collections import MutableMapping # pylint: disable=deprecated-class
class LazyDictionary(MutableMapping):
@ -56,7 +56,7 @@ def _load_json_file(json_file):
def _factory():
filename = os.path.join(json_dir, json_file)
with open(filename, "r") as file:
with open(filename, "r") as file: # pylint: disable=unspecified-encoding
return json.load(file)
return _factory

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@ -1788,7 +1788,6 @@
"fp",
"asimd",
"evtstrm",
"aes",
"pmull",
"sha1",
"sha2",
@ -1821,18 +1820,26 @@
"flags": "-march=armv8.2-a+crc+crypto+fp16"
},
{
"versions": "8:",
"flags": "-march=armv8.2-a+crc+aes+sha2+fp16+sve -msve-vector-bits=512"
"versions": "8:10.2",
"flags": "-march=armv8.2-a+crc+sha2+fp16+sve -msve-vector-bits=512"
},
{
"versions": "10.3:",
"flags": "-mcpu=a64fx -msve-vector-bits=512"
}
],
"clang": [
{
"versions": "3.9:4.9",
"flags": "-march=armv8.2-a+crc+crypto+fp16"
"flags": "-march=armv8.2-a+crc+sha2+fp16"
},
{
"versions": "5:",
"flags": "-march=armv8.2-a+crc+crypto+fp16+sve"
"versions": "5:10",
"flags": "-march=armv8.2-a+crc+sha2+fp16+sve"
},
{
"versions": "11:",
"flags": "-mcpu=a64fx"
}
],
"arm": [
@ -1954,7 +1961,40 @@
"m1": {
"from": ["aarch64"],
"vendor": "Apple",
"features": [],
"features": [
"fp",
"asimd",
"evtstrm",
"aes",
"pmull",
"sha1",
"sha2",
"crc32",
"atomics",
"fphp",
"asimdhp",
"cpuid",
"asimdrdm",
"jscvt",
"fcma",
"lrcpc",
"dcpop",
"sha3",
"asimddp",
"sha512",
"asimdfhm",
"dit",
"uscat",
"ilrcpc",
"flagm",
"ssbs",
"sb",
"paca",
"pacg",
"dcpodp",
"flagm2",
"frint"
],
"compilers": {
"gcc": [
{
@ -1964,14 +2004,22 @@
],
"clang" : [
{
"versions": "9.0:",
"versions": "9.0:12.0",
"flags" : "-march=armv8.4-a"
},
{
"versions": "13.0:",
"flags" : "-mcpu=apple-m1"
}
],
"apple-clang": [
{
"versions": "11.0:",
"versions": "11.0:12.5",
"flags" : "-march=armv8.4-a"
},
{
"versions": "13.0:",
"flags" : "-mcpu=apple-m1"
}
]
}