def compile(self, sig):
disp = self._get_dispatcher_for_current_target()
if disp is not self:
return disp.compile(sig)
with ExitStack() as scope:
cres = None
def cb_compiler(dur):
if cres is not None:
self._callback_add_compiler_timer(dur, cres)
def cb_llvm(dur):
if cres is not None:
self._callback_add_llvm_timer(dur, cres)
scope.enter_context(
ev.install_timer("numba:compiler_lock", cb_compiler))
scope.enter_context(ev.install_timer("numba:llvm_lock", cb_llvm))
scope.enter_context(global_compiler_lock)
if not self._can_compile:
raise RuntimeError("compilation disabled")
# Use counter to track recursion compilation depth
with self._compiling_counter:
args, return_type = sigutils.normalize_signature(sig)
# Don't recompile if signature already exists
existing = self.overloads.get(tuple(args))
if existing is not None:
return existing.entry_point
# Try to load from disk cache
cres = self._cache.load_overload(sig, self.targetctx)
if cres is not None:
self._cache_hits[sig] += 1
# XXX fold this in add_overload()? (also see compiler.py)
if not cres.objectmode:
self.targetctx.insert_user_function(
cres.entry_point, cres.fndesc, [cres.library])
self.add_overload(cres)
return cres.entry_point
self._cache_misses[sig] += 1
ev_details = dict(
dispatcher=self,
args=args,
return_type=return_type,
)
with ev.trigger_event("numba:compile", data=ev_details):
try:
cres = self._compiler.compile(args, return_type)
except errors.ForceLiteralArg as e:
def folded(args, kws):
return self._compiler.fold_argument_types(
args, kws)[1]
raise e.bind_fold_arguments(folded)
self.add_overload(cres)
self._cache.save_overload(sig, cres)
return cres.entry_point
def compile(self, sig):
with ExitStack() as scope:
cres = None
def cb_compiler(dur):
if cres is not None:
self._callback_add_compiler_timer(dur, cres)
def cb_llvm(dur):
if cres is not None:
self._callback_add_llvm_timer(dur, cres)
scope.enter_context(
ev.install_timer("numba:compiler_lock", cb_compiler))
scope.enter_context(ev.install_timer("numba:llvm_lock", cb_llvm))
scope.enter_context(global_compiler_lock)
# Use counter to track recursion compilation depth
with self._compiling_counter:
# XXX this is mostly duplicated from Dispatcher.
flags = self.flags
args, return_type = sigutils.normalize_signature(sig)
# Don't recompile if signature already exists
# (e.g. if another thread compiled it before we got the lock)
existing = self.overloads.get(tuple(args))
if existing is not None:
return existing.entry_point
self._pre_compile(args, return_type, flags)
# Clone IR to avoid (some of the) mutation in the rewrite pass
cloned_func_ir = self.func_ir.copy()
ev_details = dict(
dispatcher=self,
args=args,
return_type=return_type,
)
with ev.trigger_event("numba:compile", data=ev_details):
cres = compiler.compile_ir(
typingctx=self.typingctx,
targetctx=self.targetctx,
func_ir=cloned_func_ir,
args=args,
return_type=return_type,
flags=flags,
locals=self.locals,
lifted=(),
lifted_from=self.lifted_from,
is_lifted_loop=True,
)
# Check typing error if object mode is used
if (cres.typing_error is not None
and not flags.enable_pyobject):
raise cres.typing_error
self.add_overload(cres)
return cres.entry_point
def _runPass(self, index, pss, internal_state):
mutated = False
def check(func, compiler_state):
mangled = func(compiler_state)
if mangled not in (True, False):
msg = (
"CompilerPass implementations should return True/False. "
"CompilerPass with name '%s' did not.")
raise ValueError(msg % pss.name())
return mangled
def debug_print(pass_name, print_condition, printable_condition):
if pass_name in print_condition:
fid = internal_state.func_id
args = (fid.modname, fid.func_qualname, self.pipeline_name,
printable_condition, pass_name)
print(("%s.%s: %s: %s %s" % args).center(120, '-'))
if internal_state.func_ir is not None:
internal_state.func_ir.dump()
else:
print("func_ir is None")
# debug print before this pass?
debug_print(pss.name(), self._print_before + self._print_wrap,
"BEFORE")
# wire in the analysis info so it's accessible
pss.analysis = self._analysis
qualname = internal_state.func_id.func_qualname
ev_details = dict(
name=f"{pss.name()} [{qualname}]",
qualname=qualname,
module=internal_state.func_id.modname,
flags=pformat(internal_state.flags.values()),
args=str(internal_state.args),
return_type=str(internal_state.return_type),
)
with ev.trigger_event("numba:run_pass", data=ev_details):
with SimpleTimer() as init_time:
mutated |= check(pss.run_initialization, internal_state)
with SimpleTimer() as pass_time:
mutated |= check(pss.run_pass, internal_state)
with SimpleTimer() as finalize_time:
mutated |= check(pss.run_finalizer, internal_state)
# Check that if the pass is an instance of a FunctionPass that it hasn't
# emitted ir.Dels.
if isinstance(pss, FunctionPass):
enforce_no_dels(internal_state.func_ir)
if self._ENFORCING:
# TODO: Add in self consistency enforcement for
# `func_ir._definitions` etc
if _pass_registry.get(pss.__class__).mutates_CFG:
if mutated: # block level changes, rebuild all
PostProcessor(internal_state.func_ir).run()
else: # CFG level changes rebuild CFG
internal_state.func_ir.blocks = transforms.canonicalize_cfg(
internal_state.func_ir.blocks)
# Check the func_ir has exactly one Scope instance
if not legalize_single_scope(internal_state.func_ir.blocks):
raise errors.CompilerError(
f"multiple scope in func_ir detected in {pss}", )
# inject runtimes
pt = pass_timings(init_time.elapsed, pass_time.elapsed,
finalize_time.elapsed)
self.exec_times["%s_%s" % (index, pss.name())] = pt
# debug print after this pass?
debug_print(pss.name(), self._print_after + self._print_wrap, "AFTER")