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test: add optimization transform stack

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This commit is contained in:
Sebastien Bourdeauducq 2014-11-03 18:44:30 +08:00
parent 9b93b0cedf
commit b163c9f7ea
2 changed files with 73 additions and 20 deletions
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48
artiq/coredevice/core.py
View File

@ -35,6 +35,10 @@ def _make_debug_unparse(final):
return _filtered_unparse
def _no_debug_unparse(label, node):
pass
class Core:
def __init__(self, core_com, runtime_env=None):
if runtime_env is None:
@ -42,51 +46,55 @@ class Core:
self.runtime_env = runtime_env
self.core_com = core_com
def run(self, k_function, k_args, k_kwargs):
# transform/simplify AST
_debug_unparse = _make_debug_unparse("remove_dead_code_2")
func_def, rpc_map, exception_map = inline(
self, k_function, k_args, k_kwargs)
_debug_unparse("inline", func_def)
def transform_stack(self, func_def, rpc_map, exception_map,
debug_unparse=_no_debug_unparse):
lower_units(func_def, rpc_map)
_debug_unparse("lower_units", func_def)
debug_unparse("lower_units", func_def)
remove_inter_assigns(func_def)
_debug_unparse("remove_inter_assigns_1", func_def)
debug_unparse("remove_inter_assigns_1", func_def)
fold_constants(func_def)
_debug_unparse("fold_constants_1", func_def)
debug_unparse("fold_constants_1", func_def)
unroll_loops(func_def, 500)
_debug_unparse("unroll_loops", func_def)
debug_unparse("unroll_loops", func_def)
interleave(func_def)
_debug_unparse("interleave", func_def)
debug_unparse("interleave", func_def)
lower_time(func_def,
getattr(self.runtime_env, "initial_time", 0),
self.runtime_env.ref_period)
_debug_unparse("lower_time", func_def)
debug_unparse("lower_time", func_def)
remove_inter_assigns(func_def)
_debug_unparse("remove_inter_assigns_2", func_def)
debug_unparse("remove_inter_assigns_2", func_def)
fold_constants(func_def)
_debug_unparse("fold_constants_2", func_def)
debug_unparse("fold_constants_2", func_def)
remove_dead_code(func_def)
_debug_unparse("remove_dead_code_1", func_def)
debug_unparse("remove_dead_code_1", func_def)
remove_inter_assigns(func_def)
_debug_unparse("remove_inter_assigns_3", func_def)
debug_unparse("remove_inter_assigns_3", func_def)
fold_constants(func_def)
_debug_unparse("fold_constants_3", func_def)
debug_unparse("fold_constants_3", func_def)
remove_dead_code(func_def)
_debug_unparse("remove_dead_code_2", func_def)
debug_unparse("remove_dead_code_2", func_def)
def run(self, k_function, k_args, k_kwargs):
# transform/simplify AST
debug_unparse = _make_debug_unparse("remove_dead_code_2")
func_def, rpc_map, exception_map = inline(
self, k_function, k_args, k_kwargs)
debug_unparse("inline", func_def)
self.transform_stack(func_def, rpc_map, exception_map, debug_unparse)
# compile to machine code and run
binary = get_runtime_binary(self.runtime_env, func_def)

45
test/transforms.py Normal file
View File

@ -0,0 +1,45 @@
import unittest
import ast
from artiq.coredevice import comm_dummy, core
from artiq.transforms.unparse import unparse
# Original code before inline:
#
# n = time_to_cycles(1.2345*ns)
# ftw = self.dds.frequency_to_ftw(345*MHz)
# f = self.dds.ftw_to_frequency(ftw)
# phi = 1000*cycles_to_time(n)*f
# do_someting(int(phi))
#
optimize_in = """
def run():
dds_sysclk = Quantity(Fraction(1000000000, 1), 'Hz')
n = time_to_cycles((1.2345 * Quantity(Fraction(1, 1000000000), 's')))
with sequential:
frequency = (345 * Quantity(Fraction(1000000, 1), 'Hz'))
frequency_to_ftw_return = int((((2 ** 32) * frequency) / dds_sysclk))
ftw = frequency_to_ftw_return
with sequential:
ftw2 = ftw
ftw_to_frequency_return = ((ftw2 * dds_sysclk) / (2 ** 32))
f = ftw_to_frequency_return
phi = ((1000 * cycles_to_time(n)) * f)
do_something(int(phi))
"""
optimize_out = """
def run():
do_something(344)
"""
class OptimizeCase(unittest.TestCase):
def test_optimize(self):
coredev = core.Core(comm_dummy.Comm())
func_def = ast.parse(optimize_in).body[0]
coredev.transform_stack(func_def, dict(), dict())
self.assertEqual(unparse(func_def), optimize_out)