o H&i@sddlmZddlmZddlmZmZmZddlZe e Z gdZ dedefdd Z ejfdedefd d Zdd ed eedeefddZdeeegefdeefddZdedefddZdedefddZGdddZdS) wrapsunwrap)CallableListOptionalN) PassManagerinplace_wrapperlog_hook loop_pass this_before_that_pass_constraint"these_before_those_pass_constraintfnreturncstfdd}|S)z Convenience wrapper for passes which modify an object inplace. This wrapper makes them return the modified object instead. Args: fn (Callable[Object, Any]) Returns: wrapped_fn (Callable[Object, Object]) cs |}|SNZgmvalrrGC:\wamp64\www\opt\env\Lib\site-packages\torch/fx/passes/pass_manager.py wrapped_fnsz#inplace_wrapper..wrapped_fnr)rrrrrr s r cstfdd}|S)a Logs callable output. This is useful for logging output of passes. Note inplace_wrapper replaces the pass output with the modified object. If we want to log the original output, apply this wrapper before inplace_wrapper. ``` def my_pass(d: Dict) -> bool: changed = False if 'foo' in d: d['foo'] = 'bar' changed = True return changed pm = PassManager( passes=[ inplace_wrapper(log_hook(my_pass)) ] ) ``` Args: fn (Callable[Type1, Type2]) level: logging level (e.g. logging.INFO) Returns: wrapped_fn (Callable[Type1, Type2]) cs|}td||S)NzRan pass %s Return value: %s)loggerlogrrlevelrrrEszlog_hook..wrapped_fnr)rrrrrrr &sr base_passn_iter predicatecs4duduAs Jdtfdd}|S)aW Convenience wrapper for passes which need to be applied multiple times. Exactly one of `n_iter`or `predicate` must be specified. Args: base_pass (Callable[Object, Object]): pass to be applied in loop n_iter (int, optional): number of times to loop pass predicate (Callable[Object, bool], optional): Nz8Exactly one of `n_iter`or `predicate` must be specified.csh|}durdkrtD]}|}q|Sdur)|r'|}|s|Stddd)Nrz3loop_pass must be given positive int n_iter (given z) xor predicate (given ))range RuntimeError)sourceoutput_rrrrrnew_pass_s"   zloop_pass..new_passr)rrrr&rr%rr Os r constraintpassescCslt|D]/\}}t||ddD] \}}|||rqtd|d|d|d|d|d|d qdS) Nz,pass schedule constraint violated. Expected z before z but found z at index z and z at indexz in pass list.) enumerater!)r'r(iajbrrr"_validate_pass_schedule_constraintvs" r/thisthatcdtdtffdd }|S)zd Defines a partial order ('depends on' function) where `this` must occur before `that`. r,r.cs|kr |kr dSdSNFTrr,r.r1r0rr depends_onsz4this_before_that_pass_constraint..depends_onr)r0r1r6rr5rr sr thesethosecr2)a_ Defines a partial order ('depends on' function) where `these` must occur before `those`. Where the inputs are 'unwrapped' before comparison. For example, the following pass list and constraint list would be invalid. ``` passes = [ loop_pass(pass_b, 3), loop_pass(pass_a, 5), ] constraints = [ these_before_those_pass_constraint(pass_a, pass_b) ] ``` Args: these (Callable): pass which should occur first those (Callable): pass which should occur later Returns: depends_on (Callable[[Object, Object], bool] r,r.cs t|krt|krdSdSr3rr4r8r9rrr6sz6these_before_those_pass_constraint..depends_onr7)r8r9r6rr:rrsrc@seZdZUdZeeed<eeed<dZeed<  dddZ e d d Z d efd d Z ddZ deefddZddZddZdS)r aT Construct a PassManager. Collects passes and constraints. This defines the pass schedule, manages pass constraints and pass execution. Args: passes (Optional[List[Callable]]): list of passes. A pass is a callable which modifies an object and returns modified object constraint (Optional[List[Callable]]): list of constraints. A constraint is a callable which takes two passes (A, B) and returns True if A depends on B and False otherwise. See implementation of `this_before_that_pass_constraint` for example. r( constraintsF _validatedNcCs|pg|_|pg|_dSr)r(r;)selfr(r;rrr__init__s zPassManager.__init__cCs t|}|Sr)r )clsr(pmrrrbuild_from_passlistszPassManager.build_from_passlist_passcC|j|d|_dSNF)r(appendr<)r=rBrrradd_pass  zPassManager.add_passcCrCrD)r;rEr<r=r'rrradd_constraintrGzPassManager.add_constraint_passescCs@|durdSg}|jD] }|j|vr||q ||_d|_dSrD)r(__name__rEr<)r=rJZ passes_leftZpsrrr remove_passs    zPassManager.remove_passcCs,|jrdS|jD]}t||jqd|_dS)z Validates that current pass schedule defined by `self.passes` is valid according to all constraints in `self.constraints` NT)r<r;r/r(rHrrrvalidates   zPassManager.validatecCs$||}|jD]}||}q |Sr)rMr()r=r"outrBrrr__call__s   zPassManager.__call__NN)rK __module__ __qualname____doc__rr__annotations__r<boolr> classmethodrArFrIrLrMrOrrrrr s       r rP) functoolsrinspectrtypingrrrlogging getLoggerrKr__all__r INFOr intr rUr/r rr rrrrs"    )' !