def test1(self):
typingctx = typing.Context()
targetctx = cpu.CPUContext(typingctx)
test_ir = compiler.run_frontend(test_will_propagate)
with cpu_target.nested_context(typingctx, targetctx):
typingctx.refresh()
targetctx.refresh()
args = (types.int64, types.int64, types.int64)
typemap, return_type, calltypes = type_inference_stage(
typingctx, test_ir, args, None)
type_annotation = type_annotations.TypeAnnotation(
func_ir=test_ir,
typemap=typemap,
calltypes=calltypes,
lifted=(),
lifted_from=None,
args=args,
return_type=return_type,
html_output=config.HTML)
remove_dels(test_ir.blocks)
in_cps, out_cps = copy_propagate(test_ir.blocks, typemap)
apply_copy_propagate(test_ir.blocks, in_cps,
get_name_var_table(test_ir.blocks), typemap,
calltypes)
remove_dead(test_ir.blocks, test_ir.arg_names, test_ir)
self.assertFalse(findLhsAssign(test_ir, "x"))
def run_pass(self, state):
parfor_pass = numba.parfors.parfor.ParforPass(
state.func_ir,
state.type_annotation.typemap,
state.type_annotation.calltypes,
state.return_type,
state.typingctx,
state.flags.auto_parallel,
state.flags,
state.parfor_diagnostics,
)
remove_dels(state.func_ir.blocks)
parfor_pass.array_analysis.run(state.func_ir.blocks)
parfor_pass._convert_loop(state.func_ir.blocks)
remove_dead(
state.func_ir.blocks,
state.func_ir.arg_names,
state.func_ir,
state.type_annotation.typemap,
)
numba.parfors.parfor.get_parfor_params(
state.func_ir.blocks,
parfor_pass.options.fusion,
parfor_pass.nested_fusion_info,
)
return True
def compare_ir(self, ir_list):
outputs = []
for func_ir in ir_list:
remove_dead(func_ir.blocks, func_ir.arg_names, func_ir)
output = StringIO()
func_ir.dump(file=output)
outputs.append(output.getvalue())
self.assertTrue(len(set(outputs)) == 1) # assert all outputs are equal
def run_pass(self, state):
rewrite_ndarray_function_name_pass = RewriteNdarrayFunctions(
state, rewrite_function_name_map)
mutated = rewrite_ndarray_function_name_pass.run()
if mutated:
remove_dead(state.func_ir.blocks, state.func_ir.arg_names,
state.func_ir)
state.func_ir.blocks = simplify_CFG(state.func_ir.blocks)
return mutated
def test2(self):
def call_np_random_seed():
np.random.seed(2)
def seed_call_exists(func_ir):
for inst in func_ir.blocks[0].body:
if (isinstance(inst, ir.Assign)
and isinstance(inst.value, ir.Expr)
and inst.value.op == 'call' and func_ir.get_definition(
inst.value.func).attr == 'seed'):
return True
return False
test_ir = compiler.run_frontend(call_np_random_seed)
remove_dead(test_ir.blocks, test_ir.arg_names, test_ir)
self.assertTrue(seed_call_exists(test_ir))
def test1(self):
typingctx = typing.Context()
targetctx = cpu.CPUContext(typingctx)
test_ir = compiler.run_frontend(test_will_propagate)
with cpu_target.nested_context(typingctx, targetctx):
typingctx.refresh()
targetctx.refresh()
args = (types.int64, types.int64, types.int64)
typemap, _, calltypes, _ = type_inference_stage(
typingctx, targetctx, test_ir, args, None)
remove_dels(test_ir.blocks)
in_cps, out_cps = copy_propagate(test_ir.blocks, typemap)
apply_copy_propagate(test_ir.blocks, in_cps,
get_name_var_table(test_ir.blocks), typemap,
calltypes)
remove_dead(test_ir.blocks, test_ir.arg_names, test_ir)
self.assertFalse(findLhsAssign(test_ir, "x"))
def _mk_stencil_parfor(self, label, in_args, out_arr, stencil_ir,
index_offsets, target, return_type, stencil_func,
arg_to_arr_dict):
""" Converts a set of stencil kernel blocks to a parfor.
"""
gen_nodes = []
stencil_blocks = stencil_ir.blocks
if config.DEBUG_ARRAY_OPT >= 1:
print("_mk_stencil_parfor", label, in_args, out_arr, index_offsets,
return_type, stencil_func, stencil_blocks)
ir_utils.dump_blocks(stencil_blocks)
in_arr = in_args[0]
# run copy propagate to replace in_args copies (e.g. a = A)
in_arr_typ = self.typemap[in_arr.name]
in_cps, out_cps = ir_utils.copy_propagate(stencil_blocks, self.typemap)
name_var_table = ir_utils.get_name_var_table(stencil_blocks)
ir_utils.apply_copy_propagate(stencil_blocks, in_cps, name_var_table,
self.typemap, self.calltypes)
if config.DEBUG_ARRAY_OPT >= 1:
print("stencil_blocks after copy_propagate")
ir_utils.dump_blocks(stencil_blocks)
ir_utils.remove_dead(stencil_blocks, self.func_ir.arg_names,
stencil_ir, self.typemap)
if config.DEBUG_ARRAY_OPT >= 1:
print("stencil_blocks after removing dead code")
ir_utils.dump_blocks(stencil_blocks)
# create parfor vars
ndims = self.typemap[in_arr.name].ndim
scope = in_arr.scope
loc = in_arr.loc
parfor_vars = []
for i in range(ndims):
parfor_var = ir.Var(scope, mk_unique_var("$parfor_index_var"), loc)
self.typemap[parfor_var.name] = types.intp
parfor_vars.append(parfor_var)
start_lengths, end_lengths = self._replace_stencil_accesses(
stencil_ir, parfor_vars, in_args, index_offsets, stencil_func,
arg_to_arr_dict)
if config.DEBUG_ARRAY_OPT >= 1:
print("stencil_blocks after replace stencil accesses")
ir_utils.dump_blocks(stencil_blocks)
# create parfor loop nests
loopnests = []
equiv_set = self.array_analysis.get_equiv_set(label)
in_arr_dim_sizes = equiv_set.get_shape(in_arr)
assert ndims == len(in_arr_dim_sizes)
for i in range(ndims):
last_ind = self._get_stencil_last_ind(in_arr_dim_sizes[i],
end_lengths[i], gen_nodes,
scope, loc)
start_ind = self._get_stencil_start_ind(start_lengths[i],
gen_nodes, scope, loc)
# start from stencil size to avoid invalid array access
loopnests.append(
numba.parfors.parfor.LoopNest(parfor_vars[i], start_ind,
last_ind, 1))
# We have to guarantee that the exit block has maximum label and that
# there's only one exit block for the parfor body.
# So, all return statements will change to jump to the parfor exit block.
parfor_body_exit_label = max(stencil_blocks.keys()) + 1
stencil_blocks[parfor_body_exit_label] = ir.Block(scope, loc)
exit_value_var = ir.Var(scope, mk_unique_var("$parfor_exit_value"),
loc)
self.typemap[exit_value_var.name] = return_type.dtype
# create parfor index var
for_replacing_ret = []
if ndims == 1:
parfor_ind_var = parfor_vars[0]
else:
parfor_ind_var = ir.Var(scope,
mk_unique_var("$parfor_index_tuple_var"),
loc)
self.typemap[parfor_ind_var.name] = types.containers.UniTuple(
types.intp, ndims)
tuple_call = ir.Expr.build_tuple(parfor_vars, loc)
tuple_assign = ir.Assign(tuple_call, parfor_ind_var, loc)
for_replacing_ret.append(tuple_assign)
if config.DEBUG_ARRAY_OPT >= 1:
print("stencil_blocks after creating parfor index var")
ir_utils.dump_blocks(stencil_blocks)
# empty init block
init_block = ir.Block(scope, loc)
if out_arr is None:
in_arr_typ = self.typemap[in_arr.name]
shape_name = ir_utils.mk_unique_var("in_arr_shape")
shape_var = ir.Var(scope, shape_name, loc)
shape_getattr = ir.Expr.getattr(in_arr, "shape", loc)
self.typemap[shape_name] = types.containers.UniTuple(
types.intp, in_arr_typ.ndim)
init_block.body.extend([ir.Assign(shape_getattr, shape_var, loc)])
zero_name = ir_utils.mk_unique_var("zero_val")
zero_var = ir.Var(scope, zero_name, loc)
if "cval" in stencil_func.options:
cval = stencil_func.options["cval"]
# TODO: Loosen this restriction to adhere to casting rules.
if return_type.dtype != typing.typeof.typeof(cval):
raise ValueError(
"cval type does not match stencil return type.")
temp2 = return_type.dtype(cval)
else:
temp2 = return_type.dtype(0)
full_const = ir.Const(temp2, loc)
self.typemap[zero_name] = return_type.dtype
init_block.body.extend([ir.Assign(full_const, zero_var, loc)])
so_name = ir_utils.mk_unique_var("stencil_output")
out_arr = ir.Var(scope, so_name, loc)
self.typemap[out_arr.name] = numba.core.types.npytypes.Array(
return_type.dtype, in_arr_typ.ndim, in_arr_typ.layout)
dtype_g_np_var = ir.Var(scope, mk_unique_var("$np_g_var"), loc)
self.typemap[dtype_g_np_var.name] = types.misc.Module(np)
dtype_g_np = ir.Global('np', np, loc)
dtype_g_np_assign = ir.Assign(dtype_g_np, dtype_g_np_var, loc)
init_block.body.append(dtype_g_np_assign)
dtype_np_attr_call = ir.Expr.getattr(dtype_g_np_var,
return_type.dtype.name, loc)
dtype_attr_var = ir.Var(scope, mk_unique_var("$np_attr_attr"), loc)
self.typemap[dtype_attr_var.name] = types.functions.NumberClass(
return_type.dtype)
dtype_attr_assign = ir.Assign(dtype_np_attr_call, dtype_attr_var,
loc)
init_block.body.append(dtype_attr_assign)
stmts = ir_utils.gen_np_call("full", np.full, out_arr,
[shape_var, zero_var, dtype_attr_var],
self.typingctx, self.typemap,
self.calltypes)
equiv_set.insert_equiv(out_arr, in_arr_dim_sizes)
init_block.body.extend(stmts)
else: # out is present
if "cval" in stencil_func.options: # do out[:] = cval
cval = stencil_func.options["cval"]
# TODO: Loosen this restriction to adhere to casting rules.
cval_ty = typing.typeof.typeof(cval)
if not self.typingctx.can_convert(cval_ty, return_type.dtype):
msg = "cval type does not match stencil return type."
raise ValueError(msg)
# get slice ref
slice_var = ir.Var(scope, mk_unique_var("$py_g_var"), loc)
slice_fn_ty = self.typingctx.resolve_value_type(slice)
self.typemap[slice_var.name] = slice_fn_ty
slice_g = ir.Global('slice', slice, loc)
slice_assigned = ir.Assign(slice_g, slice_var, loc)
init_block.body.append(slice_assigned)
sig = self.typingctx.resolve_function_type(
slice_fn_ty, (types.none, ) * 2, {})
callexpr = ir.Expr.call(func=slice_var,
args=(),
kws=(),
loc=loc)
self.calltypes[callexpr] = sig
slice_inst_var = ir.Var(scope, mk_unique_var("$slice_inst"),
loc)
self.typemap[slice_inst_var.name] = types.slice2_type
slice_assign = ir.Assign(callexpr, slice_inst_var, loc)
init_block.body.append(slice_assign)
# get const val for cval
cval_const_val = ir.Const(return_type.dtype(cval), loc)
cval_const_var = ir.Var(scope, mk_unique_var("$cval_const"),
loc)
self.typemap[cval_const_var.name] = return_type.dtype
cval_const_assign = ir.Assign(cval_const_val, cval_const_var,
loc)
init_block.body.append(cval_const_assign)
# do setitem on `out` array
setitemexpr = ir.StaticSetItem(out_arr, slice(None, None),
slice_inst_var, cval_const_var,
loc)
init_block.body.append(setitemexpr)
sig = signature(types.none, self.typemap[out_arr.name],
self.typemap[slice_inst_var.name],
self.typemap[out_arr.name].dtype)
self.calltypes[setitemexpr] = sig
self.replace_return_with_setitem(stencil_blocks, exit_value_var,
parfor_body_exit_label)
if config.DEBUG_ARRAY_OPT >= 1:
print("stencil_blocks after replacing return")
ir_utils.dump_blocks(stencil_blocks)
setitem_call = ir.SetItem(out_arr, parfor_ind_var, exit_value_var, loc)
self.calltypes[setitem_call] = signature(
types.none, self.typemap[out_arr.name],
self.typemap[parfor_ind_var.name],
self.typemap[out_arr.name].dtype)
stencil_blocks[parfor_body_exit_label].body.extend(for_replacing_ret)
stencil_blocks[parfor_body_exit_label].body.append(setitem_call)
# simplify CFG of parfor body (exit block could be simplified often)
# add dummy return to enable CFG
dummy_loc = ir.Loc("stencilparfor_dummy", -1)
ret_const_var = ir.Var(scope, mk_unique_var("$cval_const"), dummy_loc)
cval_const_assign = ir.Assign(ir.Const(0, loc=dummy_loc),
ret_const_var, dummy_loc)
stencil_blocks[parfor_body_exit_label].body.append(cval_const_assign)
stencil_blocks[parfor_body_exit_label].body.append(
ir.Return(ret_const_var, dummy_loc), )
stencil_blocks = ir_utils.simplify_CFG(stencil_blocks)
stencil_blocks[max(stencil_blocks.keys())].body.pop()
if config.DEBUG_ARRAY_OPT >= 1:
print("stencil_blocks after adding SetItem")
ir_utils.dump_blocks(stencil_blocks)
pattern = ('stencil', [start_lengths, end_lengths])
parfor = numba.parfors.parfor.Parfor(loopnests, init_block,
stencil_blocks, loc,
parfor_ind_var, equiv_set,
pattern, self.flags)
gen_nodes.append(parfor)
gen_nodes.append(ir.Assign(out_arr, target, loc))
return gen_nodes
def _create_gufunc_for_parfor_body(
lowerer,
parfor,
typemap,
typingctx,
targetctx,
flags,
loop_ranges,
locals,
has_aliases,
index_var_typ,
races,
):
"""
Takes a parfor and creates a gufunc function for its body. There
are two parts to this function:
1) Code to iterate across the iteration space as defined by
the schedule.
2) The parfor body that does the work for a single point in
the iteration space.
Part 1 is created as Python text for simplicity with a sentinel
assignment to mark the point in the IR where the parfor body
should be added. This Python text is 'exec'ed into existence and its
IR retrieved with run_frontend. The IR is scanned for the sentinel
assignment where that basic block is split and the IR for the parfor
body inserted.
"""
loc = parfor.init_block.loc
# The parfor body and the main function body share ir.Var nodes.
# We have to do some replacements of Var names in the parfor body
# to make them legal parameter names. If we don't copy then the
# Vars in the main function also would incorrectly change their name.
loop_body = copy.copy(parfor.loop_body)
remove_dels(loop_body)
parfor_dim = len(parfor.loop_nests)
loop_indices = [l.index_variable.name for l in parfor.loop_nests]
# Get all the parfor params.
parfor_params = parfor.params
for start, stop, step in loop_ranges:
if isinstance(start, ir.Var):
parfor_params.add(start.name)
if isinstance(stop, ir.Var):
parfor_params.add(stop.name)
# Get just the outputs of the parfor.
parfor_outputs = numba.parfors.parfor.get_parfor_outputs(
parfor, parfor_params)
# Get all parfor reduction vars, and operators.
typemap = lowerer.fndesc.typemap
parfor_redvars, parfor_reddict = numba.parfors.parfor.get_parfor_reductions(
lowerer.func_ir, parfor, parfor_params, lowerer.fndesc.calltypes)
has_reduction = False if len(parfor_redvars) == 0 else True
if has_reduction:
_create_gufunc_for_reduction_parfor()
# Compute just the parfor inputs as a set difference.
parfor_inputs = sorted(list(set(parfor_params) - set(parfor_outputs)))
for race in races:
msg = ("Variable %s used in parallel loop may be written "
"to simultaneously by multiple workers and may result "
"in non-deterministic or unintended results." % race)
warnings.warn(NumbaParallelSafetyWarning(msg, loc))
replace_var_with_array(races, loop_body, typemap, lowerer.fndesc.calltypes)
if config.DEBUG_ARRAY_OPT >= 1:
print("parfor_params = ", parfor_params, type(parfor_params))
print("parfor_outputs = ", parfor_outputs, type(parfor_outputs))
print("parfor_inputs = ", parfor_inputs, type(parfor_inputs))
# Reorder all the params so that inputs go first then outputs.
parfor_params = parfor_inputs + parfor_outputs
def addrspace_from(params, def_addr):
addrspaces = []
for p in params:
if isinstance(to_scalar_from_0d(typemap[p]), types.npytypes.Array):
addrspaces.append(def_addr)
else:
addrspaces.append(None)
return addrspaces
addrspaces = addrspace_from(parfor_params, address_space.GLOBAL)
if config.DEBUG_ARRAY_OPT >= 1:
print("parfor_params = ", parfor_params, type(parfor_params))
print("loop_indices = ", loop_indices, type(loop_indices))
print("loop_body = ", loop_body, type(loop_body))
_print_body(loop_body)
# Some Var are not legal parameter names so create a dict of
# potentially illegal param name to guaranteed legal name.
param_dict = legalize_names_with_typemap(parfor_params, typemap)
if config.DEBUG_ARRAY_OPT >= 1:
print("param_dict = ", sorted(param_dict.items()), type(param_dict))
# Some loop_indices are not legal parameter names so create a dict
# of potentially illegal loop index to guaranteed legal name.
ind_dict = legalize_names_with_typemap(loop_indices, typemap)
# Compute a new list of legal loop index names.
legal_loop_indices = [ind_dict[v] for v in loop_indices]
if config.DEBUG_ARRAY_OPT >= 1:
print("ind_dict = ", sorted(ind_dict.items()), type(ind_dict))
print(
"legal_loop_indices = ",
legal_loop_indices,
type(legal_loop_indices),
)
for pd in parfor_params:
print("pd = ", pd)
print("pd type = ", typemap[pd], type(typemap[pd]))
# Get the types of each parameter.
param_types = [to_scalar_from_0d(typemap[v]) for v in parfor_params]
param_types_addrspaces = copy.copy(param_types)
# Calculate types of args passed to gufunc.
func_arg_types = [typemap[v] for v in (parfor_inputs + parfor_outputs)]
assert len(param_types_addrspaces) == len(addrspaces)
for i in range(len(param_types_addrspaces)):
if addrspaces[i] is not None:
# Convert Numba's npytype.Array to DPPYArray data type. DPPYArray
# allows us to specify an address space for the data and other
# pointer arguments for the array.
param_types_addrspaces[i] = npytypes_array_to_dppy_array(
param_types_addrspaces[i], addrspaces[i])
def print_arg_with_addrspaces(args):
for a in args:
print(a, type(a))
if isinstance(a, types.npytypes.Array):
print("addrspace:", a.addrspace)
if config.DEBUG_ARRAY_OPT >= 1:
print_arg_with_addrspaces(param_types)
print("func_arg_types = ", func_arg_types, type(func_arg_types))
# Replace illegal parameter names in the loop body with legal ones.
replace_var_names(loop_body, param_dict)
# remember the name before legalizing as the actual arguments
parfor_args = parfor_params
# Change parfor_params to be legal names.
parfor_params = [param_dict[v] for v in parfor_params]
parfor_params_orig = parfor_params
parfor_params = []
ascontig = False
for pindex in range(len(parfor_params_orig)):
if (ascontig and pindex < len(parfor_inputs)
and isinstance(param_types[pindex], types.npytypes.Array)):
parfor_params.append(parfor_params_orig[pindex] + "param")
else:
parfor_params.append(parfor_params_orig[pindex])
# Change parfor body to replace illegal loop index vars with legal ones.
replace_var_names(loop_body, ind_dict)
loop_body_var_table = get_name_var_table(loop_body)
sentinel_name = get_unused_var_name("__sentinel__", loop_body_var_table)
if config.DEBUG_ARRAY_OPT >= 1:
print("legal parfor_params = ", parfor_params, type(parfor_params))
# Determine the unique names of the scheduling and gufunc functions.
gufunc_name = "__numba_parfor_gufunc_%s" % (parfor.id)
if config.DEBUG_ARRAY_OPT:
# print("sched_func_name ", type(sched_func_name), sched_func_name)
print("gufunc_name ", type(gufunc_name), gufunc_name)
gufunc_txt = ""
# Create the gufunc function.
gufunc_txt += "def " + gufunc_name
gufunc_txt += "(" + (", ".join(parfor_params)) + "):\n"
gufunc_txt += _schedule_loop(parfor_dim, legal_loop_indices, loop_ranges,
param_dict)
# Add the sentinel assignment so that we can find the loop body position
# in the IR.
gufunc_txt += " "
gufunc_txt += sentinel_name + " = 0\n"
# gufunc returns nothing
gufunc_txt += " return None\n"
if config.DEBUG_ARRAY_OPT:
print("gufunc_txt = ", type(gufunc_txt), "\n", gufunc_txt)
sys.stdout.flush()
# Force gufunc outline into existence.
globls = {"np": np, "numba": numba, "dppy": dppy}
locls = {}
exec(gufunc_txt, globls, locls)
gufunc_func = locls[gufunc_name]
if config.DEBUG_ARRAY_OPT:
print("gufunc_func = ", type(gufunc_func), "\n", gufunc_func)
# Get the IR for the gufunc outline.
gufunc_ir = compiler.run_frontend(gufunc_func)
if config.DEBUG_ARRAY_OPT:
print("gufunc_ir dump ", type(gufunc_ir))
gufunc_ir.dump()
print("loop_body dump ", type(loop_body))
_print_body(loop_body)
# rename all variables in gufunc_ir afresh
var_table = get_name_var_table(gufunc_ir.blocks)
new_var_dict = {}
reserved_names = ([sentinel_name] + list(param_dict.values()) +
legal_loop_indices)
for name, var in var_table.items():
if not (name in reserved_names):
new_var_dict[name] = mk_unique_var(name)
replace_var_names(gufunc_ir.blocks, new_var_dict)
if config.DEBUG_ARRAY_OPT:
print("gufunc_ir dump after renaming ")
gufunc_ir.dump()
prs_dict = {}
pss_dict = {}
pspmd_dict = {}
gufunc_param_types = param_types
if config.DEBUG_ARRAY_OPT:
print(
"gufunc_param_types = ",
type(gufunc_param_types),
"\n",
gufunc_param_types,
)
gufunc_stub_last_label = max(gufunc_ir.blocks.keys()) + 1
# Add gufunc stub last label to each parfor.loop_body label to prevent
# label conflicts.
loop_body = add_offset_to_labels(loop_body, gufunc_stub_last_label)
# new label for splitting sentinel block
new_label = max(loop_body.keys()) + 1
# If enabled, add a print statement after every assignment.
if config.DEBUG_ARRAY_OPT_RUNTIME:
_dbgprint_after_each_array_assignments(lowerer, loop_body, typemap)
if config.DEBUG_ARRAY_OPT:
print("parfor loop body")
_print_body(loop_body)
wrapped_blocks = wrap_loop_body(loop_body)
# hoisted, not_hoisted = hoist(parfor_params, loop_body,
# typemap, wrapped_blocks)
setitems = set()
find_setitems_body(setitems, loop_body, typemap)
hoisted = []
not_hoisted = []
start_block = gufunc_ir.blocks[min(gufunc_ir.blocks.keys())]
start_block.body = start_block.body[:-1] + hoisted + [start_block.body[-1]]
unwrap_loop_body(loop_body)
# store hoisted into diagnostics
diagnostics = lowerer.metadata["parfor_diagnostics"]
diagnostics.hoist_info[parfor.id] = {
"hoisted": hoisted,
"not_hoisted": not_hoisted,
}
lowerer.metadata["parfor_diagnostics"].extra_info[str(parfor.id)] = str(
dpctl.get_current_queue().get_sycl_device().name)
if config.DEBUG_ARRAY_OPT:
print("After hoisting")
_print_body(loop_body)
# Search all the block in the gufunc outline for the sentinel assignment.
for label, block in gufunc_ir.blocks.items():
for i, inst in enumerate(block.body):
if (isinstance(inst, ir.Assign)
and inst.target.name == sentinel_name):
# We found the sentinel assignment.
loc = inst.loc
scope = block.scope
# split block across __sentinel__
# A new block is allocated for the statements prior to the
# sentinel but the new block maintains the current block label.
prev_block = ir.Block(scope, loc)
prev_block.body = block.body[:i]
# The current block is used for statements after the sentinel.
block.body = block.body[i + 1:]
# But the current block gets a new label.
body_first_label = min(loop_body.keys())
# The previous block jumps to the minimum labelled block of the
# parfor body.
prev_block.append(ir.Jump(body_first_label, loc))
# Add all the parfor loop body blocks to the gufunc function's
# IR.
for (l, b) in loop_body.items():
gufunc_ir.blocks[l] = b
body_last_label = max(loop_body.keys())
gufunc_ir.blocks[new_label] = block
gufunc_ir.blocks[label] = prev_block
# Add a jump from the last parfor body block to the block
# containing statements after the sentinel.
gufunc_ir.blocks[body_last_label].append(
ir.Jump(new_label, loc))
break
else:
continue
break
if config.DEBUG_ARRAY_OPT:
print("gufunc_ir last dump before renaming")
gufunc_ir.dump()
gufunc_ir.blocks = rename_labels(gufunc_ir.blocks)
remove_dels(gufunc_ir.blocks)
if config.DEBUG_ARRAY_OPT:
sys.stdout.flush()
if config.DEBUG_ARRAY_OPT:
print("gufunc_ir last dump")
gufunc_ir.dump()
print("flags", flags)
print("typemap", typemap)
old_alias = flags.noalias
if not has_aliases:
if config.DEBUG_ARRAY_OPT:
print("No aliases found so adding noalias flag.")
flags.noalias = True
remove_dead(gufunc_ir.blocks, gufunc_ir.arg_names, gufunc_ir, typemap)
if config.DEBUG_ARRAY_OPT:
print("gufunc_ir after remove dead")
gufunc_ir.dump()
kernel_sig = signature(types.none, *gufunc_param_types)
if config.DEBUG_ARRAY_OPT:
sys.stdout.flush()
if config.DEBUG_ARRAY_OPT:
print("before DUFunc inlining".center(80, "-"))
gufunc_ir.dump()
# Inlining all DUFuncs
dufunc_inliner(
gufunc_ir,
lowerer.fndesc.calltypes,
typemap,
lowerer.context.typing_context,
lowerer.context,
)
if config.DEBUG_ARRAY_OPT:
print("after DUFunc inline".center(80, "-"))
gufunc_ir.dump()
kernel_func = dppy.compiler.compile_kernel_parfor(
dpctl.get_current_queue(),
gufunc_ir,
gufunc_param_types,
param_types_addrspaces,
debug=flags.debuginfo,
)
flags.noalias = old_alias
if config.DEBUG_ARRAY_OPT:
print("kernel_sig = ", kernel_sig)
return kernel_func, parfor_args, kernel_sig, func_arg_types, setitems
