projektAI/venv/Lib/site-packages/numpy/distutils/tests/test_ccompiler_opt.py
2021-06-06 22:13:05 +02:00

788 lines
27 KiB
Python

import re, textwrap, os
from os import sys, path
from distutils.errors import DistutilsError
is_standalone = __name__ == '__main__' and __package__ is None
if is_standalone:
import unittest, contextlib, tempfile, shutil
sys.path.append(path.abspath(path.join(path.dirname(__file__), "..")))
from ccompiler_opt import CCompilerOpt
# from numpy/testing/_private/utils.py
@contextlib.contextmanager
def tempdir(*args, **kwargs):
tmpdir = tempfile.mkdtemp(*args, **kwargs)
try:
yield tmpdir
finally:
shutil.rmtree(tmpdir)
def assert_(expr, msg=''):
if not expr:
raise AssertionError(msg)
else:
from numpy.distutils.ccompiler_opt import CCompilerOpt
from numpy.testing import assert_, tempdir
# architectures and compilers to test
arch_compilers = dict(
x86 = ("gcc", "clang", "icc", "iccw", "msvc"),
x64 = ("gcc", "clang", "icc", "iccw", "msvc"),
ppc64 = ("gcc", "clang"),
ppc64le = ("gcc", "clang"),
armhf = ("gcc", "clang"),
aarch64 = ("gcc", "clang"),
noarch = ("gcc",)
)
class FakeCCompilerOpt(CCompilerOpt):
fake_info = ""
def __init__(self, trap_files="", trap_flags="", *args, **kwargs):
self.fake_trap_files = trap_files
self.fake_trap_flags = trap_flags
CCompilerOpt.__init__(self, None, **kwargs)
def __repr__(self):
return textwrap.dedent("""\
<<<<
march : {}
compiler : {}
----------------
{}
>>>>
""").format(self.cc_march, self.cc_name, self.report())
def dist_compile(self, sources, flags, **kwargs):
assert(isinstance(sources, list))
assert(isinstance(flags, list))
if self.fake_trap_files:
for src in sources:
if re.match(self.fake_trap_files, src):
self.dist_error("source is trapped by a fake interface")
if self.fake_trap_flags:
for f in flags:
if re.match(self.fake_trap_flags, f):
self.dist_error("flag is trapped by a fake interface")
# fake objects
return zip(sources, [' '.join(flags)] * len(sources))
def dist_info(self):
return FakeCCompilerOpt.fake_info
@staticmethod
def dist_log(*args, stderr=False):
pass
class _Test_CCompilerOpt(object):
arch = None # x86_64
cc = None # gcc
def setup(self):
FakeCCompilerOpt.conf_nocache = True
self._opt = None
def nopt(self, *args, **kwargs):
FakeCCompilerOpt.fake_info = (self.arch, self.cc, "")
return FakeCCompilerOpt(*args, **kwargs)
def opt(self):
if not self._opt:
self._opt = self.nopt()
return self._opt
def march(self):
return self.opt().cc_march
def cc_name(self):
return self.opt().cc_name
def get_targets(self, targets, groups, **kwargs):
FakeCCompilerOpt.conf_target_groups = groups
opt = self.nopt(
cpu_baseline=kwargs.get("baseline", "min"),
cpu_dispatch=kwargs.get("dispatch", "max"),
trap_files=kwargs.get("trap_files", ""),
trap_flags=kwargs.get("trap_flags", "")
)
with tempdir() as tmpdir:
file = os.path.join(tmpdir, "test_targets.c")
with open(file, 'w') as f:
f.write(targets)
gtargets = []
gflags = {}
fake_objects = opt.try_dispatch([file])
for source, flags in fake_objects:
gtar = source.split('.')[1:-1]
glen = len(gtar)
if glen == 0:
gtar = "baseline"
elif glen == 1:
gtar = gtar[0].upper()
else:
# converting multi-target into parentheses str format to be equivalent
# to the configuration statements syntax.
gtar = ('('+' '.join(gtar)+')').upper()
gtargets.append(gtar)
gflags[gtar] = flags
has_baseline, targets = opt.sources_status[file]
targets = targets + ["baseline"] if has_baseline else targets
# convert tuple that represent multi-target into parentheses str format
targets = [
'('+' '.join(tar)+')' if isinstance(tar, tuple) else tar
for tar in targets
]
if len(targets) != len(gtargets) or not all(t in gtargets for t in targets):
raise AssertionError(
"'sources_status' returns different targets than the compiled targets\n"
"%s != %s" % (targets, gtargets)
)
# return targets from 'sources_status' since the order is matters
return targets, gflags
def arg_regex(self, **kwargs):
map2origin = dict(
x64 = "x86",
ppc64le = "ppc64",
aarch64 = "armhf",
clang = "gcc",
)
march = self.march(); cc_name = self.cc_name()
map_march = map2origin.get(march, march)
map_cc = map2origin.get(cc_name, cc_name)
for key in (
march, cc_name, map_march, map_cc,
march + '_' + cc_name,
map_march + '_' + cc_name,
march + '_' + map_cc,
map_march + '_' + map_cc,
) :
regex = kwargs.pop(key, None)
if regex is not None:
break
if regex:
if isinstance(regex, dict):
for k, v in regex.items():
if v[-1:] not in ')}$?\\.+*':
regex[k] = v + '$'
else:
assert(isinstance(regex, str))
if regex[-1:] not in ')}$?\\.+*':
regex += '$'
return regex
def expect(self, dispatch, baseline="", **kwargs):
match = self.arg_regex(**kwargs)
if match is None:
return
opt = self.nopt(
cpu_baseline=baseline, cpu_dispatch=dispatch,
trap_files=kwargs.get("trap_files", ""),
trap_flags=kwargs.get("trap_flags", "")
)
features = ' '.join(opt.cpu_dispatch_names())
if not match:
if len(features) != 0:
raise AssertionError(
'expected empty features, not "%s"' % features
)
return
if not re.match(match, features, re.IGNORECASE):
raise AssertionError(
'dispatch features "%s" not match "%s"' % (features, match)
)
def expect_baseline(self, baseline, dispatch="", **kwargs):
match = self.arg_regex(**kwargs)
if match is None:
return
opt = self.nopt(
cpu_baseline=baseline, cpu_dispatch=dispatch,
trap_files=kwargs.get("trap_files", ""),
trap_flags=kwargs.get("trap_flags", "")
)
features = ' '.join(opt.cpu_baseline_names())
if not match:
if len(features) != 0:
raise AssertionError(
'expected empty features, not "%s"' % features
)
return
if not re.match(match, features, re.IGNORECASE):
raise AssertionError(
'baseline features "%s" not match "%s"' % (features, match)
)
def expect_flags(self, baseline, dispatch="", **kwargs):
match = self.arg_regex(**kwargs)
if match is None:
return
opt = self.nopt(
cpu_baseline=baseline, cpu_dispatch=dispatch,
trap_files=kwargs.get("trap_files", ""),
trap_flags=kwargs.get("trap_flags", "")
)
flags = ' '.join(opt.cpu_baseline_flags())
if not match:
if len(flags) != 0:
raise AssertionError(
'expected empty flags not "%s"' % flags
)
return
if not re.match(match, flags):
raise AssertionError(
'flags "%s" not match "%s"' % (flags, match)
)
def expect_targets(self, targets, groups={}, **kwargs):
match = self.arg_regex(**kwargs)
if match is None:
return
targets, _ = self.get_targets(targets=targets, groups=groups, **kwargs)
targets = ' '.join(targets)
if not match:
if len(targets) != 0:
raise AssertionError(
'expected empty targets, not "%s"' % targets
)
return
if not re.match(match, targets, re.IGNORECASE):
raise AssertionError(
'targets "%s" not match "%s"' % (targets, match)
)
def expect_target_flags(self, targets, groups={}, **kwargs):
match_dict = self.arg_regex(**kwargs)
if match_dict is None:
return
assert(isinstance(match_dict, dict))
_, tar_flags = self.get_targets(targets=targets, groups=groups)
for match_tar, match_flags in match_dict.items():
if match_tar not in tar_flags:
raise AssertionError(
'expected to find target "%s"' % match_tar
)
flags = tar_flags[match_tar]
if not match_flags:
if len(flags) != 0:
raise AssertionError(
'expected to find empty flags in target "%s"' % match_tar
)
if not re.match(match_flags, flags):
raise AssertionError(
'"%s" flags "%s" not match "%s"' % (match_tar, flags, match_flags)
)
def test_interface(self):
wrong_arch = "ppc64" if self.arch != "ppc64" else "x86"
wrong_cc = "clang" if self.cc != "clang" else "icc"
opt = self.opt()
assert_(getattr(opt, "cc_on_" + self.arch))
assert_(not getattr(opt, "cc_on_" + wrong_arch))
assert_(getattr(opt, "cc_is_" + self.cc))
assert_(not getattr(opt, "cc_is_" + wrong_cc))
def test_args_empty(self):
for baseline, dispatch in (
("", "none"),
(None, ""),
("none +none", "none - none"),
("none -max", "min - max"),
("+vsx2 -VSX2", "vsx avx2 avx512f -max"),
("max -vsx - avx + avx512f neon -MAX ",
"min -min + max -max -vsx + avx2 -avx2 +NONE")
) :
opt = self.nopt(cpu_baseline=baseline, cpu_dispatch=dispatch)
assert(len(opt.cpu_baseline_names()) == 0)
assert(len(opt.cpu_dispatch_names()) == 0)
def test_args_validation(self):
if self.march() == "unknown":
return
# check sanity of argument's validation
for baseline, dispatch in (
("unkown_feature - max +min", "unknown max min"), # unknowing features
("#avx2", "$vsx") # groups and polices aren't acceptable
) :
try:
self.nopt(cpu_baseline=baseline, cpu_dispatch=dispatch)
raise AssertionError("excepted an exception for invalid arguments")
except DistutilsError:
pass
def test_skip(self):
# only takes what platform supports and skip the others
# without casing exceptions
self.expect(
"sse vsx neon",
x86="sse", ppc64="vsx", armhf="neon", unknown=""
)
self.expect(
"sse41 avx avx2 vsx2 vsx3 neon_vfpv4 asimd",
x86 = "sse41 avx avx2",
ppc64 = "vsx2 vsx3",
armhf = "neon_vfpv4 asimd",
unknown = ""
)
# any features in cpu_dispatch must be ignored if it's part of baseline
self.expect(
"sse neon vsx", baseline="sse neon vsx",
x86="", ppc64="", armhf=""
)
self.expect(
"avx2 vsx3 asimdhp", baseline="avx2 vsx3 asimdhp",
x86="", ppc64="", armhf=""
)
def test_implies(self):
# baseline combining implied features, so we count
# on it instead of testing 'feature_implies()'' directly
self.expect_baseline(
"fma3 avx2 asimd vsx3",
# .* between two spaces can validate features in between
x86 = "sse .* sse41 .* fma3.*avx2",
ppc64 = "vsx vsx2 vsx3",
armhf = "neon neon_fp16 neon_vfpv4 asimd"
)
"""
special cases
"""
# in icc and msvc, FMA3 and AVX2 can't be separated
# both need to implies each other, same for avx512f & cd
for f0, f1 in (
("fma3", "avx2"),
("avx512f", "avx512cd"),
):
diff = ".* sse42 .* %s .*%s$" % (f0, f1)
self.expect_baseline(f0,
x86_gcc=".* sse42 .* %s$" % f0,
x86_icc=diff, x86_iccw=diff
)
self.expect_baseline(f1,
x86_gcc=".* avx .* %s$" % f1,
x86_icc=diff, x86_iccw=diff
)
# in msvc, following features can't be separated too
for f in (("fma3", "avx2"), ("avx512f", "avx512cd", "avx512_skx")):
for ff in f:
self.expect_baseline(ff,
x86_msvc=".*%s" % ' '.join(f)
)
# in ppc64le VSX and VSX2 can't be separated
self.expect_baseline("vsx", ppc64le="vsx vsx2")
# in aarch64 following features can't be separated
for f in ("neon", "neon_fp16", "neon_vfpv4", "asimd"):
self.expect_baseline(f, aarch64="neon neon_fp16 neon_vfpv4 asimd")
def test_args_options(self):
# max & native
for o in ("max", "native"):
if o == "native" and self.cc_name() == "msvc":
continue
self.expect(o,
trap_files=".*cpu_(sse|vsx|neon).c",
x86="", ppc64="", armhf=""
)
self.expect(o,
trap_files=".*cpu_(sse3|vsx2|neon_vfpv4).c",
x86="sse sse2", ppc64="vsx", armhf="neon neon_fp16",
aarch64="", ppc64le=""
)
self.expect(o,
trap_files=".*cpu_(popcnt|vsx3).c",
x86="sse .* sse41", ppc64="vsx vsx2",
armhf="neon neon_fp16 .* asimd .*"
)
self.expect(o,
x86_gcc=".* xop fma4 .* avx512f .* avx512_knl avx512_knm avx512_skx .*",
# in icc, xop and fam4 aren't supported
x86_icc=".* avx512f .* avx512_knl avx512_knm avx512_skx .*",
x86_iccw=".* avx512f .* avx512_knl avx512_knm avx512_skx .*",
# in msvc, avx512_knl avx512_knm aren't supported
x86_msvc=".* xop fma4 .* avx512f .* avx512_skx .*",
armhf=".* asimd asimdhp asimddp .*",
ppc64="vsx vsx2 vsx3.*"
)
# min
self.expect("min",
x86="sse sse2", x64="sse sse2 sse3",
armhf="", aarch64="neon neon_fp16 .* asimd",
ppc64="", ppc64le="vsx vsx2"
)
self.expect(
"min", trap_files=".*cpu_(sse2|vsx2).c",
x86="", ppc64le=""
)
# an exception must triggered if native flag isn't supported
# when option "native" is activated through the args
try:
self.expect("native",
trap_flags=".*(-march=native|-xHost|/QxHost).*",
x86=".*", ppc64=".*", armhf=".*"
)
if self.march() != "unknown":
raise AssertionError(
"excepted an exception for %s" % self.march()
)
except DistutilsError:
if self.march() == "unknown":
raise AssertionError("excepted no exceptions")
def test_flags(self):
self.expect_flags(
"sse sse2 vsx vsx2 neon neon_fp16",
x86_gcc="-msse -msse2", x86_icc="-msse -msse2",
x86_iccw="/arch:SSE2", x86_msvc="/arch:SSE2",
ppc64_gcc= "-mcpu=power8",
ppc64_clang="-maltivec -mvsx -mpower8-vector",
armhf_gcc="-mfpu=neon-fp16 -mfp16-format=ieee",
aarch64=""
)
# testing normalize -march
self.expect_flags(
"asimd",
aarch64="",
armhf_gcc=r"-mfp16-format=ieee -mfpu=neon-fp-armv8 -march=armv8-a\+simd"
)
self.expect_flags(
"asimdhp",
aarch64_gcc=r"-march=armv8.2-a\+fp16",
armhf_gcc=r"-mfp16-format=ieee -mfpu=neon-fp-armv8 -march=armv8.2-a\+fp16"
)
self.expect_flags(
"asimddp", aarch64_gcc=r"-march=armv8.2-a\+dotprod"
)
self.expect_flags(
# asimdfhm implies asimdhp
"asimdfhm", aarch64_gcc=r"-march=armv8.2-a\+fp16\+fp16fml"
)
self.expect_flags(
"asimddp asimdhp asimdfhm",
aarch64_gcc=r"-march=armv8.2-a\+dotprod\+fp16\+fp16fml"
)
def test_targets_exceptions(self):
for targets in (
"bla bla", "/*@targets",
"/*@targets */",
"/*@targets unknown */",
"/*@targets $unknown_policy avx2 */",
"/*@targets #unknown_group avx2 */",
"/*@targets $ */",
"/*@targets # vsx */",
"/*@targets #$ vsx */",
"/*@targets vsx avx2 ) */",
"/*@targets vsx avx2 (avx2 */",
"/*@targets vsx avx2 () */",
"/*@targets vsx avx2 ($autovec) */", # no features
"/*@targets vsx avx2 (xxx) */",
"/*@targets vsx avx2 (baseline) */",
) :
try:
self.expect_targets(
targets,
x86="", armhf="", ppc64=""
)
if self.march() != "unknown":
raise AssertionError(
"excepted an exception for %s" % self.march()
)
except DistutilsError:
if self.march() == "unknown":
raise AssertionError("excepted no exceptions")
def test_targets_syntax(self):
for targets in (
"/*@targets $keep_baseline sse vsx neon*/",
"/*@targets,$keep_baseline,sse,vsx,neon*/",
"/*@targets*$keep_baseline*sse*vsx*neon*/",
"""
/*
** @targets
** $keep_baseline, sse vsx,neon
*/
""",
"""
/*
************@targets*************
** $keep_baseline, sse vsx, neon
*********************************
*/
""",
"""
/*
/////////////@targets/////////////////
//$keep_baseline//sse//vsx//neon
/////////////////////////////////////
*/
""",
"""
/*
@targets
$keep_baseline
SSE VSX NEON*/
"""
) :
self.expect_targets(targets,
x86="sse", ppc64="vsx", armhf="neon", unknown=""
)
def test_targets(self):
# test skipping baseline features
self.expect_targets(
"""
/*@targets
sse sse2 sse41 avx avx2 avx512f
vsx vsx2 vsx3
neon neon_fp16 asimdhp asimddp
*/
""",
baseline="avx vsx2 asimd",
x86="avx512f avx2", armhf="asimddp asimdhp", ppc64="vsx3"
)
# test skipping non-dispatch features
self.expect_targets(
"""
/*@targets
sse41 avx avx2 avx512f
vsx2 vsx3
asimd asimdhp asimddp
*/
""",
baseline="", dispatch="sse41 avx2 vsx2 asimd asimddp",
x86="avx2 sse41", armhf="asimddp asimd", ppc64="vsx2"
)
# test skipping features that not supported
self.expect_targets(
"""
/*@targets
sse2 sse41 avx2 avx512f
vsx2 vsx3
neon asimdhp asimddp
*/
""",
baseline="",
trap_files=".*(avx2|avx512f|vsx3|asimddp).c",
x86="sse41 sse2", ppc64="vsx2", armhf="asimdhp neon"
)
# test skipping features that implies each other
self.expect_targets(
"""
/*@targets
sse sse2 avx fma3 avx2 avx512f avx512cd
vsx vsx2 vsx3
neon neon_vfpv4 neon_fp16 neon_fp16 asimd asimdhp
asimddp asimdfhm
*/
""",
baseline="",
x86_gcc="avx512cd avx512f avx2 fma3 avx sse2",
x86_msvc="avx512cd avx2 avx sse2",
x86_icc="avx512cd avx2 avx sse2",
x86_iccw="avx512cd avx2 avx sse2",
ppc64="vsx3 vsx2 vsx",
ppc64le="vsx3 vsx2",
armhf="asimdfhm asimddp asimdhp asimd neon_vfpv4 neon_fp16 neon",
aarch64="asimdfhm asimddp asimdhp asimd"
)
def test_targets_policies(self):
# 'keep_baseline', generate objects for baseline features
self.expect_targets(
"""
/*@targets
$keep_baseline
sse2 sse42 avx2 avx512f
vsx2 vsx3
neon neon_vfpv4 asimd asimddp
*/
""",
baseline="sse41 avx2 vsx2 asimd vsx3",
x86="avx512f avx2 sse42 sse2",
ppc64="vsx3 vsx2",
armhf="asimddp asimd neon_vfpv4 neon",
# neon, neon_vfpv4, asimd implies each other
aarch64="asimddp asimd"
)
# 'keep_sort', leave the sort as-is
self.expect_targets(
"""
/*@targets
$keep_baseline $keep_sort
avx512f sse42 avx2 sse2
vsx2 vsx3
asimd neon neon_vfpv4 asimddp
*/
""",
x86="avx512f sse42 avx2 sse2",
ppc64="vsx2 vsx3",
armhf="asimd neon neon_vfpv4 asimddp",
# neon, neon_vfpv4, asimd implies each other
aarch64="asimd asimddp"
)
# 'autovec', skipping features that can't be
# vectorized by the compiler
self.expect_targets(
"""
/*@targets
$keep_baseline $keep_sort $autovec
avx512f avx2 sse42 sse41 sse2
vsx3 vsx2
asimddp asimd neon_vfpv4 neon
*/
""",
x86_gcc="avx512f avx2 sse42 sse41 sse2",
x86_icc="avx512f avx2 sse42 sse41 sse2",
x86_iccw="avx512f avx2 sse42 sse41 sse2",
x86_msvc="avx512f avx2 sse2",
ppc64="vsx3 vsx2",
armhf="asimddp asimd neon_vfpv4 neon",
# neon, neon_vfpv4, asimd implies each other
aarch64="asimddp asimd"
)
for policy in ("$maxopt", "$autovec"):
# 'maxopt' and autovec set the max acceptable optimization flags
self.expect_target_flags(
"/*@targets baseline %s */" % policy,
gcc={"baseline":".*-O3.*"}, icc={"baseline":".*-O3.*"},
iccw={"baseline":".*/O3.*"}, msvc={"baseline":".*/O2.*"},
unknown={"baseline":".*"}
)
# 'werror', force compilers to treat warnings as errors
self.expect_target_flags(
"/*@targets baseline $werror */",
gcc={"baseline":".*-Werror.*"}, icc={"baseline":".*-Werror.*"},
iccw={"baseline":".*/Werror.*"}, msvc={"baseline":".*/WX.*"},
unknown={"baseline":".*"}
)
def test_targets_groups(self):
self.expect_targets(
"""
/*@targets $keep_baseline baseline #test_group */
""",
groups=dict(
test_group=("""
$keep_baseline
asimddp sse2 vsx2 avx2 vsx3
avx512f asimdhp
""")
),
x86="avx512f avx2 sse2 baseline",
ppc64="vsx3 vsx2 baseline",
armhf="asimddp asimdhp baseline"
)
# test skip duplicating and sorting
self.expect_targets(
"""
/*@targets
* sse42 avx avx512f
* #test_group_1
* vsx2
* #test_group_2
* asimddp asimdfhm
*/
""",
groups=dict(
test_group_1=("""
VSX2 vsx3 asimd avx2 SSE41
"""),
test_group_2=("""
vsx2 vsx3 asImd aVx2 sse41
""")
),
x86="avx512f avx2 avx sse42 sse41",
ppc64="vsx3 vsx2",
# vsx2 part of the default baseline of ppc64le, option ("min")
ppc64le="vsx3",
armhf="asimdfhm asimddp asimd",
# asimd part of the default baseline of aarch64, option ("min")
aarch64="asimdfhm asimddp"
)
def test_targets_multi(self):
self.expect_targets(
"""
/*@targets
(avx512_clx avx512_cnl) (asimdhp asimddp)
*/
""",
x86=r"\(avx512_clx avx512_cnl\)",
armhf=r"\(asimdhp asimddp\)",
)
# test skipping implied features and auto-sort
self.expect_targets(
"""
/*@targets
f16c (sse41 avx sse42) (sse3 avx2 avx512f)
vsx2 (vsx vsx3 vsx2)
(neon neon_vfpv4 asimd asimdhp asimddp)
*/
""",
x86="avx512f f16c avx",
ppc64="vsx3 vsx2",
ppc64le="vsx3", # vsx2 part of baseline
armhf=r"\(asimdhp asimddp\)",
)
# test skipping implied features and keep sort
self.expect_targets(
"""
/*@targets $keep_sort
(sse41 avx sse42) (sse3 avx2 avx512f)
(vsx vsx3 vsx2)
(asimddp neon neon_vfpv4 asimd asimdhp)
*/
""",
x86="avx avx512f",
ppc64="vsx3",
armhf=r"\(asimdhp asimddp\)",
)
# test compiler variety and avoiding duplicating
self.expect_targets(
"""
/*@targets $keep_sort
fma3 avx2 (fma3 avx2) (avx2 fma3) avx2 fma3
*/
""",
x86_gcc=r"fma3 avx2 \(fma3 avx2\)",
x86_icc="avx2", x86_iccw="avx2",
x86_msvc="avx2"
)
def new_test(arch, cc):
if is_standalone: return textwrap.dedent("""\
class TestCCompilerOpt_{class_name}(_Test_CCompilerOpt, unittest.TestCase):
arch = '{arch}'
cc = '{cc}'
def __init__(self, methodName="runTest"):
unittest.TestCase.__init__(self, methodName)
self.setup()
""").format(
class_name=arch + '_' + cc, arch=arch, cc=cc
)
return textwrap.dedent("""\
class TestCCompilerOpt_{class_name}(_Test_CCompilerOpt):
arch = '{arch}'
cc = '{cc}'
""").format(
class_name=arch + '_' + cc, arch=arch, cc=cc
)
"""
if 1 and is_standalone:
FakeCCompilerOpt.fake_info = "x86_icc"
cco = FakeCCompilerOpt(None, cpu_baseline="avx2")
print(' '.join(cco.cpu_baseline_names()))
print(cco.cpu_baseline_flags())
unittest.main()
sys.exit()
"""
for arch, compilers in arch_compilers.items():
for cc in compilers:
exec(new_test(arch, cc))
if is_standalone:
unittest.main()