Files
OSACA/tests/test_cli.py
2021-08-26 16:58:19 +02:00

310 lines
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Python
Executable File

#!/usr/bin/env python3
"""
Unit tests for the CLI of OSACA and running the sample kernels in examples/
"""
import argparse
import os
import unittest
from io import StringIO
from shutil import copyfile
from unittest.mock import patch
import osaca.osaca as osaca
from osaca.db_interface import sanity_check
from osaca.parser import ParserAArch64, ParserX86ATT
from osaca.semantics import MachineModel
class ErrorRaisingArgumentParser(argparse.ArgumentParser):
def error(self, message):
raise ValueError(message) # reraise an error
class TestCLI(unittest.TestCase):
###########
# Tests
###########
def test_check_arguments(self):
parser = osaca.create_parser(parser=ErrorRaisingArgumentParser())
args = parser.parse_args(["--arch", "WRONG_ARCH", self._find_file("gs", "csx", "gcc")])
with self.assertRaises(ValueError):
osaca.check_arguments(args, parser)
args = parser.parse_args(
[
"--arch",
"csx",
"--import",
"WRONG_BENCH",
self._find_file("gs", "csx", "gcc"),
]
)
with self.assertRaises(ValueError):
osaca.check_arguments(args, parser)
def test_import_data(self):
parser = osaca.create_parser(parser=ErrorRaisingArgumentParser())
args = parser.parse_args(
[
"--arch",
"tx2",
"--import",
"ibench",
self._find_test_file("ibench_import_aarch64.dat"),
]
)
output = StringIO()
osaca.run(args, output_file=output)
args = parser.parse_args(
[
"--arch",
"tx2",
"--import",
"asmbench",
self._find_test_file("asmbench_import_aarch64.dat"),
]
)
osaca.run(args, output_file=output)
def test_check_db(self):
parser = osaca.create_parser(parser=ErrorRaisingArgumentParser())
args = parser.parse_args(
[
"--arch",
"tx2",
"--db-check",
"--verbose",
self._find_test_file("triad_x86_iaca.s"),
]
)
output = StringIO()
osaca.run(args, output_file=output)
def test_get_parser(self):
self.assertTrue(isinstance(osaca.get_asm_parser("csx"), ParserX86ATT))
self.assertTrue(isinstance(osaca.get_asm_parser("tx2"), ParserAArch64))
with self.assertRaises(ValueError):
osaca.get_asm_parser("UNKNOWN")
def test_marker_insert_x86(self):
# copy file to add markers
name = self._find_test_file("kernel_x86.s")
name_copy = name + ".copy.s"
copyfile(name, name_copy)
user_input = [".L10"]
output = StringIO()
parser = osaca.create_parser()
args = parser.parse_args(["--arch", "csx", "--insert-marker", name_copy])
with patch("builtins.input", side_effect=user_input):
osaca.run(args, output_file=output)
lines_orig = len(open(name).readlines())
lines_copy = len(open(name_copy).readlines())
self.assertEqual(lines_copy, lines_orig + 5 + 4)
# remove copy again
os.remove(name_copy)
def test_marker_insert_aarch64(self):
# copy file to add markers
name = self._find_test_file("kernel_aarch64.s")
name_copy = name + ".copy.s"
copyfile(name, name_copy)
user_input = [".LBB0_32", "64"]
parser = osaca.create_parser()
args = parser.parse_args(["--arch", "tx2", "--insert-marker", name_copy])
with patch("builtins.input", side_effect=user_input):
osaca.run(args)
lines_orig = len(open(name).readlines())
lines_copy = len(open(name_copy).readlines())
self.assertEqual(lines_copy, lines_orig + 3 + 2)
# remove copy again
os.remove(name_copy)
def test_examples(self):
kernels = [
"add",
"copy",
"daxpy",
"gs",
"j2d",
"striad",
"sum_reduction",
"triad",
"update",
]
archs = ["csx", "tx2", "zen1"]
comps = {"csx": ["gcc", "icc"], "tx2": ["gcc", "clang"], "zen1": ["gcc"]}
parser = osaca.create_parser()
# Analyze all asm files resulting out of kernels, archs and comps
for k in kernels:
for a in archs:
for c in comps[a]:
with self.subTest(kernel=k, arch=a, comp=c):
args = parser.parse_args(
[
"--arch",
a,
self._find_file(k, a, c),
"--export-graph",
"/dev/null",
]
)
output = StringIO()
osaca.run(args, output_file=output)
self.assertTrue("WARNING" not in output.getvalue())
def test_architectures(self):
parser = osaca.create_parser()
# Run the test kernel for all architectures
archs = osaca.SUPPORTED_ARCHS
for arch in archs:
with self.subTest(micro_arch=arch):
isa = MachineModel.get_isa_for_arch(arch)
kernel = "kernel_{}.s".format(isa)
args = parser.parse_args(["--arch", arch, self._find_test_file(kernel)])
output = StringIO()
osaca.run(args, output_file=output)
def test_architectures_sanity(self):
# Run sanity check for all architectures
archs = osaca.SUPPORTED_ARCHS
for arch in archs:
with self.subTest(micro_arch=arch):
out = StringIO()
sanity = sanity_check(arch, verbose=2, output_file=out)
self.assertTrue(sanity, msg=out)
def test_without_arch(self):
# Run test kernels without --arch flag
parser = osaca.create_parser()
# x86
kernel_x86 = "kernel_x86.s"
args = parser.parse_args([self._find_test_file(kernel_x86)])
output = StringIO()
osaca.run(args, output_file=output)
# AArch64
kernel_aarch64 = "kernel_aarch64.s"
args = parser.parse_args([self._find_test_file(kernel_aarch64)])
osaca.run(args, output_file=output)
def test_user_warnings(self):
parser = osaca.create_parser()
kernel = "triad_x86_unmarked.s"
args = parser.parse_args(
["--arch", "csx", "--ignore-unknown", self._find_test_file(kernel)]
)
output = StringIO()
osaca.run(args, output_file=output)
# WARNING for length
self.assertTrue(
output.getvalue().count(
"WARNING: You are analyzing a large amount of instruction forms"
)
== 1
)
# WARNING for arch
args = parser.parse_args(
["--lines", "100-199", "--ignore-unknown", self._find_test_file(kernel)]
)
output = StringIO()
osaca.run(args, output_file=output)
self.assertTrue(
output.getvalue().count("WARNING: No micro-architecture was specified") == 1
)
# WARNING for timeout
args = parser.parse_args(
["--ignore-unknown", "--lcd-timeout", "0", self._find_test_file(kernel)]
)
output = StringIO()
osaca.run(args, output_file=output)
self.assertTrue(output.getvalue().count("WARNING: LCD analysis timed out") == 1)
args = parser.parse_args(
["--ignore-unknown", "--lcd-timeout", "-1", self._find_test_file(kernel)]
)
output = StringIO()
osaca.run(args, output_file=output)
self.assertTrue(output.getvalue().count("WARNING: LCD analysis timed out") == 0)
def test_lines_arg(self):
# Run tests with --lines option
parser = osaca.create_parser()
kernel_x86 = "triad_x86_iaca.s"
args_base = parser.parse_args(["--arch", "csx", self._find_test_file(kernel_x86)])
output_base = StringIO()
osaca.run(args_base, output_file=output_base)
output_base = output_base.getvalue().split("\n")[8:]
args = []
args.append(
parser.parse_args(
[
"--lines",
"146-154",
"--arch",
"csx",
self._find_test_file(kernel_x86),
]
)
)
args.append(
parser.parse_args(
[
"--lines",
"146:154",
"--arch",
"csx",
self._find_test_file(kernel_x86),
]
)
)
args.append(
parser.parse_args(
[
"--lines",
"146,147:148,149-154",
"--arch",
"csx",
self._find_test_file(kernel_x86),
]
)
)
for a in args:
with self.subTest(params=a):
output = StringIO()
osaca.run(a, output_file=output)
self.assertEqual(output.getvalue().split("\n")[8:], output_base)
##################
# Helper functions
##################
@staticmethod
def _find_file(kernel, arch, comp):
testdir = os.path.dirname(__file__)
name = os.path.join(
testdir,
"../examples",
kernel,
kernel + ".s." + arch[:3].lower() + "." + comp.lower() + ".s",
)
if kernel == "j2d" and arch.lower() == "csx":
name = name[:-1] + "AVX.s"
assert os.path.exists(name)
return name
@staticmethod
def _find_test_file(name):
testdir = os.path.dirname(__file__)
name = os.path.join(testdir, "test_files", name)
assert os.path.exists(name)
return name
if __name__ == "__main__":
suite = unittest.TestLoader().loadTestsFromTestCase(TestCLI)
unittest.TextTestRunner(verbosity=2, buffer=True).run(suite)