def full_analysis(self,
kernel,
kernel_dg: KernelDG,
ignore_unknown=False,
arch_warning=False,
length_warning=False,
verbose=False):
"""
Build the full analysis report including header, the symbol map, the combined TP/CP/LCD
view and the list based LCD view.
:param kernel: kernel to report on
:type kernel: list
:param kernel_dg: directed graph containing CP and LCD
:type kernel_dg: :class:`~osaca.semantics.KernelDG`
:param ignore_unknown: flag for ignore warning if performance data is missing, defaults to
`False`
:type ignore_unknown: boolean, optional
:param print_arch_warning: flag for additional user warning to specify micro-arch
:type print_arch_warning: boolean, optional
:param print_length_warning: flag for additional user warning to specify kernel length with --lines
:type print_length_warning: boolean, optional
:param verbose: flag for verbosity level, defaults to False
:type verbose: boolean, optional
"""
return (self._header_report() +
self._user_warnings(arch_warning, length_warning) +
self._symbol_map() + self.combined_view(
kernel,
kernel_dg.get_critical_path(),
kernel_dg.get_loopcarried_dependencies(),
ignore_unknown,
) + self.loopcarried_dependencies(
kernel_dg.get_loopcarried_dependencies()))
def test_cyclic_dag(self):
dg = KernelDG(self.kernel_x86, self.parser_x86, self.machine_model_csx)
dg.dg.add_edge(100, 101, latency=1.0)
dg.dg.add_edge(101, 102, latency=2.0)
dg.dg.add_edge(102, 100, latency=3.0)
with self.assertRaises(NotImplementedError):
dg.get_critical_path()
with self.assertRaises(NotImplementedError):
dg.get_loopcarried_dependencies()
def test_loop_carried_dependency_x86(self):
lcd_id = 8
lcd_id2 = 5
dg = KernelDG(self.kernel_x86, self.parser_x86, self.machine_model_csx,
self.semantics_csx)
lc_deps = dg.get_loopcarried_dependencies()
self.assertEqual(len(lc_deps), 2)
# ID 8
self.assertEqual(lc_deps[lcd_id]["root"],
dg.dg.nodes(data=True)[lcd_id]["instruction_form"])
self.assertEqual(len(lc_deps[lcd_id]["dependencies"]), 1)
self.assertEqual(
lc_deps[lcd_id]["dependencies"][0][0],
dg.dg.nodes(data=True)[lcd_id]["instruction_form"],
)
# w/ flag dependencies: ID 9 w/ len=2
# w/o flag dependencies: ID 5 w/ len=1
# TODO discuss
self.assertEqual(lc_deps[lcd_id2]["root"],
dg.dg.nodes(data=True)[lcd_id2]["instruction_form"])
self.assertEqual(len(lc_deps[lcd_id2]["dependencies"]), 1)
self.assertEqual(
lc_deps[lcd_id2]["dependencies"][0][0],
dg.dg.nodes(data=True)[lcd_id2]["instruction_form"],
)
def get_lcd(self):
kernel_graph = KernelDG(self.kernel, self.parser, self.machine_model)
lcd_dict = kernel_graph.get_loopcarried_dependencies()
lcd = 0.0
for dep in lcd_dict:
lcd_tmp = sum(
[x['latency_lcd'] for x in lcd_dict[dep]['dependencies']])
lcd = lcd_tmp if lcd_tmp > lcd else lcd
return lcd
def test_loop_carried_dependency_aarch64(self):
dg = KernelDG(
self.kernel_aarch64_memdep,
self.parser_AArch64,
self.machine_model_tx2,
self.semantics_tx2,
)
lc_deps = dg.get_loopcarried_dependencies()
self.assertEqual(len(lc_deps), 2)
# based on line 6
self.assertEqual(lc_deps[6]["latency"], 28.0)
self.assertEqual(
[(iform.line_number, lat)
for iform, lat in lc_deps[6]['dependencies']],
[(6, 4.0), (10, 6.0), (11, 6.0), (12, 6.0), (13, 6.0), (14, 0)],
)