mirror of https://github.com/m-labs/artiq.git
compiler: interleave transform
This commit is contained in:
parent
6ea0430cec
commit
74cdafdde5
|
|
@ -0,0 +1,115 @@
|
|||
import ast, types
|
||||
|
||||
from artiq.language import units
|
||||
from artiq.compiler.tools import eval_ast
|
||||
|
||||
# -1 statement duration could not be pre-determined
|
||||
# 0 statement has no effect on timeline
|
||||
# >0 statement is a static delay that advances the timeline
|
||||
# by the given amount (in base_s_unit)
|
||||
def _get_duration(stmt):
|
||||
if isinstance(stmt, (ast.Expr, ast.Assign)):
|
||||
return _get_duration(stmt.value)
|
||||
elif isinstance(stmt, ast.If):
|
||||
if all(_get_duration(s) == 0 for s in stmt.body) and all(_get_duration(s) == 0 for s in stmt.orelse):
|
||||
return 0
|
||||
else:
|
||||
return -1
|
||||
elif isinstance(stmt, ast.Call) and isinstance(stmt.func, ast.Name):
|
||||
name = stmt.func.id
|
||||
if name == "delay":
|
||||
da = stmt.args[0]
|
||||
if isinstance(da, ast.Call) \
|
||||
and isinstance(da.func, ast.Name) \
|
||||
and da.func.id == "Quantity" \
|
||||
and isinstance(da.args[0], ast.Num):
|
||||
if not isinstance(da.args[1], ast.Name) or da.args[1].id != "base_s_unit":
|
||||
raise units.DimensionError("Delay not expressed in seconds")
|
||||
return da.args[0].n
|
||||
else:
|
||||
return -1
|
||||
else:
|
||||
return 0
|
||||
else:
|
||||
return 0
|
||||
|
||||
def _interleave_timelines(timelines):
|
||||
r = []
|
||||
|
||||
current_stmts = []
|
||||
for stmts in timelines:
|
||||
it = iter(stmts)
|
||||
try:
|
||||
stmt = next(it)
|
||||
except StopIteration:
|
||||
pass
|
||||
else:
|
||||
current_stmts.append(types.SimpleNamespace(delay=_get_duration(stmt), stmt=stmt, it=it))
|
||||
|
||||
while current_stmts:
|
||||
dt = min(stmt.delay for stmt in current_stmts)
|
||||
print("\n".join("{} -> {}".format(ast.dump(stmt.stmt), stmt.delay) for stmt in current_stmts))
|
||||
print("")
|
||||
if dt < 0:
|
||||
# contains statement(s) with indeterminate duration
|
||||
return None
|
||||
if dt > 0:
|
||||
# advance timeline by dt
|
||||
for stmt in current_stmts:
|
||||
stmt.delay -= dt
|
||||
if stmt.delay == 0:
|
||||
ref_stmt = stmt.stmt
|
||||
da_expr = ast.copy_location(
|
||||
ast.Call(func=ast.Name("Quantity", ast.Load()),
|
||||
args=[ast.Num(dt), ast.Name("base_s_unit", ast.Load())],
|
||||
keywords=[], starargs=[], kwargs=[]),
|
||||
ref_stmt)
|
||||
delay_stmt = ast.copy_location(
|
||||
ast.Expr(ast.Call(func=ast.Name("delay", ast.Load()),
|
||||
args=[da_expr],
|
||||
keywords=[], starargs=[], kwargs=[])),
|
||||
ref_stmt)
|
||||
r.append(delay_stmt)
|
||||
else:
|
||||
for stmt in current_stmts:
|
||||
if stmt.delay == 0:
|
||||
r.append(stmt.stmt)
|
||||
# discard executed statements
|
||||
exhausted_list = []
|
||||
for stmt_i, stmt in enumerate(current_stmts):
|
||||
if stmt.delay == 0:
|
||||
try:
|
||||
stmt.stmt = next(stmt.it)
|
||||
except StopIteration:
|
||||
exhausted_list.append(stmt_i)
|
||||
else:
|
||||
stmt.delay = _get_duration(stmt.stmt)
|
||||
for offset, i in enumerate(exhausted_list):
|
||||
current_stmts.pop(i-offset)
|
||||
|
||||
return r
|
||||
|
||||
def interleave(stmts):
|
||||
replacements = []
|
||||
for stmt_i, stmt in enumerate(stmts):
|
||||
if isinstance(stmt, (ast.For, ast.While, ast.If)):
|
||||
interleave(stmt.body)
|
||||
interleave(stmt.orelse)
|
||||
elif isinstance(stmt, ast.With):
|
||||
btype = stmt.items[0].context_expr.id
|
||||
if btype == "sequential":
|
||||
interleave(stmt.body)
|
||||
replacements.append((stmt_i, stmt.body))
|
||||
elif btype == "parallel":
|
||||
timelines = [[s] for s in stmt.body]
|
||||
for timeline in timelines:
|
||||
interleave(timeline)
|
||||
merged = _interleave_timelines(timelines)
|
||||
if merged is not None:
|
||||
replacements.append((stmt_i, merged))
|
||||
else:
|
||||
raise ValueError("Unknown block type: " + btype)
|
||||
offset = 0
|
||||
for location, new_stmts in replacements:
|
||||
stmts[offset+location:offset+location+1] = new_stmts
|
||||
offset += len(new_stmts) - 1
|
||||
|
|
@ -1,203 +0,0 @@
|
|||
import inspect, textwrap, ast, types
|
||||
|
||||
from artiq.language import units
|
||||
from artiq.compiler import unparse
|
||||
from artiq.compiler.tools import eval_ast
|
||||
|
||||
def find_kernel_body(node):
|
||||
while True:
|
||||
if isinstance(node, ast.Module):
|
||||
if len(node.body) != 1:
|
||||
raise TypeError
|
||||
node = node.body[0]
|
||||
elif isinstance(node, ast.FunctionDef):
|
||||
return node.body
|
||||
else:
|
||||
raise TypeError
|
||||
|
||||
def _try_eval_with_units(node):
|
||||
try:
|
||||
r = eval_ast(node, units.__dict__)
|
||||
except:
|
||||
return node
|
||||
if isinstance(r, units.Quantity):
|
||||
return ast.copy_location(ast.Num(n=r.amount), node)
|
||||
else:
|
||||
return node
|
||||
|
||||
def explicit_delays(stmts):
|
||||
insertions = []
|
||||
for i, stmt in enumerate(stmts):
|
||||
if isinstance(stmt, (ast.For, ast.While, ast.If)):
|
||||
explicit_delays(stmt.body)
|
||||
explicit_delays(stmt.orelse)
|
||||
elif isinstance(stmt, ast.With):
|
||||
explicit_delays(stmt.body)
|
||||
elif isinstance(stmt, ast.Expr):
|
||||
if not isinstance(stmt.value, ast.Call) or not isinstance(stmt.value.func, ast.Name):
|
||||
continue
|
||||
call = stmt.value
|
||||
name = call.func.id
|
||||
if name == "delay":
|
||||
call.args[0] = _try_eval_with_units(call.args[0])
|
||||
elif name == "pulse":
|
||||
call.func.id = "pulse_start"
|
||||
insertions.append((i+1, ast.copy_location(
|
||||
ast.Expr(ast.Call(func=ast.Name(id="delay", ctx=ast.Load()),
|
||||
args=[_try_eval_with_units(call.args[2])],
|
||||
keywords=[], starargs=[], kwargs=[])),
|
||||
stmt)))
|
||||
for i, (location, stmt) in enumerate(insertions):
|
||||
stmts.insert(location+i, stmt)
|
||||
|
||||
def _count_stmts(node):
|
||||
if isinstance(node, (ast.For, ast.While, ast.If)):
|
||||
print(ast.dump(node))
|
||||
return 1 + _count_stmts(node.body) + _count_stmts(node.orelse)
|
||||
elif isinstance(node, ast.With):
|
||||
return 1 + _count_stmts(node.body)
|
||||
elif isinstance(node, list):
|
||||
return sum(map(_count_stmts, node))
|
||||
else:
|
||||
return 1
|
||||
|
||||
def unroll_loops(stmts, limit):
|
||||
replacements = []
|
||||
for stmt_i, stmt in enumerate(stmts):
|
||||
if isinstance(stmt, ast.For):
|
||||
try:
|
||||
it = eval_ast(stmt.iter)
|
||||
except:
|
||||
pass
|
||||
else:
|
||||
unroll_loops(stmt.body, limit)
|
||||
unroll_loops(stmt.orelse, limit)
|
||||
l_it = len(it)
|
||||
if l_it:
|
||||
n = l_it*_count_stmts(stmt.body)
|
||||
if n < limit:
|
||||
replacement = []
|
||||
for i in it:
|
||||
if not isinstance(i, int):
|
||||
replacement = None
|
||||
break
|
||||
replacement.append(ast.copy_location(
|
||||
ast.Assign(targets=[stmt.target], value=ast.Num(n=i)), stmt))
|
||||
replacement += stmt.body
|
||||
if replacement is not None:
|
||||
replacements.append((stmt_i, replacement))
|
||||
else:
|
||||
replacements.append((stmt_i, stmt.orelse))
|
||||
if isinstance(stmt, (ast.While, ast.If)):
|
||||
unroll_loops(stmt.body, limit)
|
||||
unroll_loops(stmt.orelse, limit)
|
||||
elif isinstance(stmt, ast.With):
|
||||
unroll_loops(stmt.body, limit)
|
||||
offset = 0
|
||||
for location, new_stmts in replacements:
|
||||
stmts[offset+location:offset+location+1] = new_stmts
|
||||
offset += len(new_stmts) - 1
|
||||
|
||||
# -1 statement duration could not be pre-determined
|
||||
# 0 statement has no effect on timeline
|
||||
# >0 statement is a static delay that advances the timeline by the given amount
|
||||
def _get_duration(stmt):
|
||||
if isinstance(stmt, (ast.Expr, ast.Assign)):
|
||||
return _get_duration(stmt.value)
|
||||
elif isinstance(stmt, ast.Call) and isinstance(stmt.func, ast.Name):
|
||||
name = stmt.func.id
|
||||
if name == "delay":
|
||||
if isinstance(stmt.args[0], ast.Num):
|
||||
return stmt.args[0].n
|
||||
else:
|
||||
return -1
|
||||
elif name == "wait_edge":
|
||||
return -1
|
||||
else:
|
||||
return 0
|
||||
else:
|
||||
return -1
|
||||
|
||||
def _merge_timelines(timelines):
|
||||
r = []
|
||||
|
||||
current_stmts = []
|
||||
for stmts in timelines:
|
||||
it = iter(stmts)
|
||||
try:
|
||||
stmt = next(it)
|
||||
except StopIteration:
|
||||
pass
|
||||
else:
|
||||
current_stmts.append(types.SimpleNamespace(delay=_get_duration(stmt), stmt=stmt, it=it))
|
||||
|
||||
while current_stmts:
|
||||
dt = min(stmt.delay for stmt in current_stmts)
|
||||
if dt < 0:
|
||||
# contains statement(s) with indeterminate duration
|
||||
return None
|
||||
if dt > 0:
|
||||
# advance timeline by dt
|
||||
for stmt in current_stmts:
|
||||
stmt.delay -= dt
|
||||
if stmt.delay == 0:
|
||||
ref_stmt = stmt.stmt
|
||||
delay_stmt = ast.copy_location(
|
||||
ast.Expr(ast.Call(func=ast.Name(id="delay", ctx=ast.Load()),
|
||||
args=[ast.Num(n=dt)],
|
||||
keywords=[], starargs=[], kwargs=[])),
|
||||
ref_stmt)
|
||||
r.append(delay_stmt)
|
||||
else:
|
||||
for stmt in current_stmts:
|
||||
if stmt.delay == 0:
|
||||
r.append(stmt.stmt)
|
||||
# discard executed statements
|
||||
exhausted_list = []
|
||||
for stmt_i, stmt in enumerate(current_stmts):
|
||||
if stmt.delay == 0:
|
||||
try:
|
||||
stmt.stmt = next(stmt.it)
|
||||
except StopIteration:
|
||||
exhausted_list.append(stmt_i)
|
||||
else:
|
||||
stmt.delay = _get_duration(stmt.stmt)
|
||||
for offset, i in enumerate(exhausted_list):
|
||||
current_stmts.pop(i-offset)
|
||||
|
||||
return r
|
||||
|
||||
def collapse(stmts):
|
||||
replacements = []
|
||||
for stmt_i, stmt in enumerate(stmts):
|
||||
if isinstance(stmt, (ast.For, ast.While, ast.If)):
|
||||
collapse(stmt.body)
|
||||
collapse(stmt.orelse)
|
||||
elif isinstance(stmt, ast.With):
|
||||
btype = stmt.items[0].context_expr.id
|
||||
if btype == "sequential":
|
||||
collapse(stmt.body)
|
||||
replacements.append((stmt_i, stmt.body))
|
||||
elif btype == "parallel":
|
||||
timelines = [[s] for s in stmt.body]
|
||||
for timeline in timelines:
|
||||
collapse(timeline)
|
||||
merged = _merge_timelines(timelines)
|
||||
if merged is not None:
|
||||
replacements.append((stmt_i, merged))
|
||||
else:
|
||||
raise ValueError("Unknown block type: " + btype)
|
||||
offset = 0
|
||||
for location, new_stmts in replacements:
|
||||
stmts[offset+location:offset+location+1] = new_stmts
|
||||
offset += len(new_stmts) - 1
|
||||
|
||||
def transform(k_function, k_args, k_kwargs):
|
||||
node = ast.parse(textwrap.dedent(inspect.getsource(k_function)))
|
||||
node = find_kernel_body(node)
|
||||
|
||||
explicit_delays(node)
|
||||
unroll_loops(node, 50)
|
||||
collapse(node)
|
||||
|
||||
unparse.Unparser(node)
|
||||
|
|
@ -3,6 +3,7 @@ from operator import itemgetter
|
|||
from artiq.compiler.inline import inline
|
||||
from artiq.compiler.fold_constants import fold_constants
|
||||
from artiq.compiler.unroll_loops import unroll_loops
|
||||
from artiq.compiler.interleave import interleave
|
||||
from artiq.compiler.unparse import Unparser
|
||||
|
||||
class Core:
|
||||
|
|
@ -10,6 +11,7 @@ class Core:
|
|||
stmts, rpc_map = inline(self, k_function, k_args, k_kwargs)
|
||||
fold_constants(stmts)
|
||||
unroll_loops(stmts, 50)
|
||||
interleave(stmts)
|
||||
|
||||
print("=========================")
|
||||
print(" Inlined")
|
||||
|
|
|
|||
|
|
@ -14,14 +14,14 @@ class CompilerTest(Experiment):
|
|||
|
||||
@kernel
|
||||
def run(self, n, t2):
|
||||
t2 += 1*us
|
||||
for i in my_range(n):
|
||||
self.set_some_slowdev(i)
|
||||
delay(100*ms)
|
||||
with parallel:
|
||||
with sequential:
|
||||
self.a.pulse(100*MHz, 20*us)
|
||||
self.b.pulse(100*MHz, t2)
|
||||
for j in my_range(3):
|
||||
self.a.pulse((j+1)*100*MHz, 20*us)
|
||||
self.b.pulse(100*MHz, t2)
|
||||
with sequential:
|
||||
self.A.pulse(100*MHz, 10*us)
|
||||
self.B.pulse(100*MHz, t2)
|
||||
|
|
|
|||
Loading…
Reference in New Issue