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test_ccompiler_opt.py
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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", "fcc"), s390x = ("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: arch = None # x86_64 cc = None # gcc def setup_class(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 = path.basename(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|vx).c", x86="", ppc64="", armhf="", s390x="" ) self.expect(o, trap_files=".*cpu_(sse3|vsx2|neon_vfpv4|vxe).c", x86="sse sse2", ppc64="vsx", armhf="neon neon_fp16", aarch64="", ppc64le="", s390x="vx" ) self.expect(o, trap_files=".*cpu_(popcnt|vsx3).c", x86="sse .* sse41", ppc64="vsx vsx2", armhf="neon neon_fp16 .* asimd .*", s390x="vx vxe vxe2" ) 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 vsx4.*", s390x="vx vxe vxe2.*" ) # min self.expect("min", x86="sse sse2", x64="sse sse2 sse3", armhf="", aarch64="neon neon_fp16 .* asimd", ppc64="", ppc64le="vsx vsx2", s390x="" ) 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|-mcpu=a64fx).*", x86=".*", ppc64=".*", armhf=".*", s390x=".*", aarch64=".*", ) 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 vx vxe", x86_gcc="-msse -msse2", x86_icc="-msse -msse2", x86_iccw="/arch:SSE2", x86_msvc="/arch:SSE2" if self.march() == "x86" else "", ppc64_gcc= "-mcpu=power8", ppc64_clang="-mcpu=power8", armhf_gcc="-mfpu=neon-fp16 -mfp16-format=ieee", aarch64="", s390x="-mzvector -march=arch12" ) # 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" ) self.expect_flags( "vx vxe vxe2", s390x=r"-mzvector -march=arch13" ) 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="", s390x="" ) 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 $keep_baseline sse vsx neon vx*/", "/*@targets,$keep_baseline,sse,vsx,neon vx*/", "/*@targets*$keep_baseline*sse*vsx*neon*vx*/", """ /* ** @targets ** $keep_baseline, sse vsx,neon, vx */ """, """ /* ************@targets**************** ** $keep_baseline, sse vsx, neon, vx ************************************ */ """, """ /* /////////////@targets///////////////// //$keep_baseline//sse//vsx//neon//vx ///////////////////////////////////// */ """, """ /* @targets $keep_baseline SSE VSX NEON VX*/ """ ) : self.expect_targets(targets, x86="sse", ppc64="vsx", armhf="neon", s390x="vx", unknown="" ) def test_targets(self): # test skipping baseline features self.expect_targets( """ /*@targets sse sse2 sse41 avx avx2 avx512f vsx vsx2 vsx3 vsx4 neon neon_fp16 asimdhp asimddp vx vxe vxe2 */ """, baseline="avx vsx2 asimd vx vxe", x86="avx512f avx2", armhf="asimddp asimdhp", ppc64="vsx4 vsx3", s390x="vxe2" ) # test skipping non-dispatch features self.expect_targets( """ /*@targets sse41 avx avx2 avx512f vsx2 vsx3 vsx4 asimd asimdhp asimddp vx vxe vxe2 */ """, baseline="", dispatch="sse41 avx2 vsx2 asimd asimddp vxe2", x86="avx2 sse41", armhf="asimddp asimd", ppc64="vsx2", s390x="vxe2" ) # test skipping features that not supported self.expect_targets( """ /*@targets sse2 sse41 avx2 avx512f vsx2 vsx3 vsx4 neon asimdhp asimddp vx vxe vxe2 */ """, baseline="", trap_files=".*(avx2|avx512f|vsx3|vsx4|asimddp|vxe2).c", x86="sse41 sse2", ppc64="vsx2", armhf="asimdhp neon", s390x="vxe vx" ) # 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 vx vxe vxe2 */ """, baseline="sse41 avx2 vsx2 asimd vsx3 vxe", x86="avx512f avx2 sse42 sse2", ppc64="vsx3 vsx2", armhf="asimddp asimd neon_vfpv4 neon", # neon, neon_vfpv4, asimd implies each other aarch64="asimddp asimd", s390x="vxe2 vxe vx" ) # '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 vxe vxe2 */ """, x86="avx512f sse42 avx2 sse2", ppc64="vsx2 vsx3", armhf="asimd neon neon_vfpv4 asimddp", # neon, neon_vfpv4, asimd implies each other aarch64="asimd asimddp", s390x="vxe vxe2" ) # 'autovec', skipping features that can't be # vectorized by the compiler self.expect_targets( """ /*@targets $keep_baseline $keep_sort $autovec avx512f avx2 sse42 sse41 sse2 vsx3 vsx2 asimddp asimd neon_vfpv4 neon */ """, x86_gcc="avx512f avx2 sse42 sse41 sse2", x86_icc="avx512f avx2 sse42 sse41 sse2", x86_iccw="avx512f avx2 sse42 sse41 sse2", x86_msvc="avx512f avx2 sse2" if self.march() == 'x86' else "avx512f avx2", ppc64="vsx3 vsx2", armhf="asimddp asimd neon_vfpv4 neon", # neon, neon_vfpv4, asimd implies each other aarch64="asimddp asimd" ) for policy in ("$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) (vx vxe vxe2) */ """, x86="avx avx512f", ppc64="vsx3", armhf=r"\(asimdhp asimddp\)", s390x="vxe2" ) # 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_class() """).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()