def opt_rules(self, **kwargs):
# Sequence that works for datalog
# TODO: replace with below
# datalog_rules = [
# rules.CrossProduct2Join(),
# rules.SimpleGroupBy(),
# rules.OneToOne(algebra.Select, CSelect),
# MemoryScanOfFileScan(),
# rules.OneToOne(algebra.Apply, CApply),
# rules.OneToOne(algebra.Join, CHashJoin),
# rules.OneToOne(algebra.GroupBy, CGroupBy),
# rules.OneToOne(algebra.Project, CProject),
# TODO: obviously breaks semantics
# rules.OneToOne(algebra.Union, CUnionAll),
# rules.FreeMemory()
# ]
# sequence that works for myrial
rule_grps_sequence = [
rules.remove_trivial_sequences,
rules.simple_group_by,
cppcommon.clang_push_select,
[rules.ProjectToDistinctColumnSelect(),
rules.JoinToProjectingJoin()],
rules.push_apply,
[rules.DeDupBroadcastInputs()],
clangify(self.emit_print)
]
if kwargs.get('SwapJoinSides'):
rule_grps_sequence.insert(0, [rules.SwapJoinSides()])
# set external indexing on (replacing strings with ints)
if kwargs.get('external_indexing'):
CBaseLanguage.set_external_indexing(True)
# flatten the rules lists
rule_list = list(itertools.chain(*rule_grps_sequence))
# disable specified rules
rules.Rule.apply_disable_flags(rule_list, *kwargs.keys())
return rule_list
def opt_rules(self, **kwargs):
# Sequence that works for datalog
# TODO: replace with below
# datalog_rules = [
# rules.CrossProduct2Join(),
# rules.SimpleGroupBy(),
# rules.OneToOne(algebra.Select, CSelect),
# MemoryScanOfFileScan(),
# rules.OneToOne(algebra.Apply, CApply),
# rules.OneToOne(algebra.Join, CHashJoin),
# rules.OneToOne(algebra.GroupBy, CGroupBy),
# rules.OneToOne(algebra.Project, CProject),
# TODO: obviously breaks semantics
# rules.OneToOne(algebra.Union, CUnionAll),
# rules.FreeMemory()
# ]
# sequence that works for myrial
rule_grps_sequence = [
rules.remove_trivial_sequences, rules.simple_group_by,
cppcommon.clang_push_select,
[
rules.ProjectToDistinctColumnSelect(),
rules.JoinToProjectingJoin()
], rules.push_apply, [rules.DeDupBroadcastInputs()],
clangify(self.emit_print)
]
if kwargs.get('SwapJoinSides'):
rule_grps_sequence.insert(0, [rules.SwapJoinSides()])
# set external indexing on (replacing strings with ints)
if kwargs.get('external_indexing'):
CBaseLanguage.set_external_indexing(True)
# flatten the rules lists
rule_list = list(itertools.chain(*rule_grps_sequence))
# disable specified rules
rules.Rule.apply_disable_flags(rule_list, *kwargs.keys())
return rule_list
class CC(CBaseLanguage):
_template_path = 'cpp/c_templates'
_cgenv = CBaseLanguage.__get_env_for_template_libraries__(_template_path)
@classmethod
def cgenv(cls):
return cls._cgenv
@classmethod
def base_template(cls):
return cls.cgenv().get_template('base_query.cpp')
@staticmethod
def pipeline_wrap(ident, code, attrs):
# timing code
if True:
inner_code = code
timing_template = \
CC._cgenv.get_template('clang_pipeline_timing.cpp')
code = timing_template.render(locals())
return code
@staticmethod
def group_wrap(ident, grpcode, attrs):
timing_template = CC._cgenv.get_template('clang_group_timing.cpp')
inner_code = grpcode
code = timing_template.render(locals())
return code
@staticmethod
def log(txt):
return """std::cout << "%s" << std::endl;
""" % txt
@staticmethod
def log_unquoted(code, level=0):
return """std::cout << %s << std::endl;
""" % code
@staticmethod
def log_file(code, level=0):
return """logfile << "%s" << "\\n";\n """ % code
@staticmethod
def log_file_unquoted(code, level=0):
return """logfile << %s << " ";\n """ % code
