ȅinSSKJr SSKrSSKrSSKrSSKrSSKrSSKJrJ r SSK J r SSK J r SSKJrJrJrJrJr SSKJrJrJrJr SSKrSSKJr S S KJr S S KJr \(aSSK r SS KJ!r! 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Attributes: _torch_dynamo_tracer_output: Optional tracer output attached to the exception frame_exec_strategy: Optional frame execution strategy to control how convert_frame should handle this exception. When set, convert_frame will use this strategy instead of the default behavior. This allows exceptions to signal specific execution strategies (e.g., SKIP, RUN_ONLY) without requiring separate exception types for control flow. cB>[TU]"U0UD6 SUlSUlgN)super__init___torch_dynamo_tracer_outputframe_exec_strategy)selfargskwargs __class__s rr)TorchDynamoException.__init__Qs% $)&)IM(=A r!)r*r+)r-r r.r returnNone)__name__ __module__ __qualname____firstlineno____doc__r)__static_attributes__ __classcell__r/s@rr$r$Es BBr!r$c\rSrSrSrg)InternalTorchDynamoErrorWNr3r4r5r6r8r>r!rr<r<Wr!r<c\rSrSrSrg)ResumePrologueTracingError[r>Nr?r>r!rrBrB[r@r!rBc@^\rSrSr%S\S'SS.SU4SjjjrSrU=r$)RestartAnalysis_ Optional[str]restart_reasonN)rHc,>Xl[TU]"U6 gr')rHr(r))r,rHr-r/s rr)RestartAnalysis.__init__bs, $r!)r-r rHrGr1r2r3r4r5r6__annotations__r)r8r9r:s@rrErE_s!!CG   r!rEc\rSrSrSrg)SpeculationRestartAnalysisgr>Nr?r>r!rrNrNgr@r!rNc\rSrSrSrg)UnspecializeRestartAnalysiskr>Nr?r>r!rrQrQkr@r!rQc\rSrSrSrg) CompileCollectiveRestartAnalysisor>Nr?r>r!rrTrTor@r!rTc\rSrSrSrg)TensorifyScalarRestartAnalysissr>Nr?r>r!rrWrWsr@r!rWc\rSrSrSrg) SkipFrame{r>Nr?r>r!rrZrZ{r@r!rZc\rSrSrSrg)TorchRuntimeErrorr>Nr?r>r!rr]r]r@r!r]c,^\rSrSrSU4SjjrSrU=r$)InvalidBackendc.>[TU]SU<S35 g)NzInvalid backend: z=, see `torch._dynamo.list_backends()` for available backends.)r(r))r,namer/s rr)InvalidBackend.__init__s x'd e r!r>)rcstrr1r2r3r4r5r6r)r8r9r:s@rr`r`s   r!r`c,^\rSrSrSU4SjjrSrU=r$) ResetRequiredcL>[TU][R"S55 g)Nz Must call `torch._dynamo.reset()` before changing backends. Detected two calls to `torch.compile()` with a different backend compiler arguments. )r(r)textwrapdedent)r,r/s rr)ResetRequired.__init__s!  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DMM "488 , 1'1 2r!cLXl[UUR==S- ss'g)Nrr)r,rs rrUnsupported.add_to_statss  488$)$r!)rrrrrr)F) rrerrerboolrrGrStackSummary | Noner1r2rn) unimplemented)rrer1r2) r3r4r5r6r)rrr8r9r:s@rrrsk  $(*.    !( *2 **r!rc\rSrSrSrg)$UnknownPropertiesDuringBackwardTracer>Nr?r>r!rrrr@r!rc\rSrSrSrg)RecompileErrorr>Nr?r>r!rrrr@r!rc\rSrSrSrg)InfiniteGeneratorErrorr>Nr?r>r!rrrr!rc\rSrSrSrSrg)CondOpArgsMismatchErrorz7 Internal error from cond() due to arguments mismatch. r>N)r3r4r5r6r7r8r>r!rrrsr!rc\rSrSr\"5r\"5r\"5r\"5r\"5r \"5r \"5r \"5r Sr g) UserErrorTyper>N)r3r4r5r6rDYNAMIC_CONTROL_FLOW ANTI_PATTERNSTANDARD_LIBRARYCONSTRAINT_VIOLATION DYNAMIC_DIM INVALID_INPUTINVALID_OUTPUT*UNSUPPORTED_ALIASED_MUTATED_DYNAMIC_INPUTSr8r>r!rrrs>66Lv6&KFMVN15.r!rc@^\rSrSrSSU4SjjjrSrU=r$) UserErrorc>UbF[U[5(deURS5(aUS- nOUS- nU[U5- n[TU]X#(aUOS5 XlX lg)a Type of errors that would be valid in Eager, but not supported in TorchDynamo. The error message should tell user about next actions. error_type: Type of user error msg: Actionable error message case_name: (Optional) Unique name (snake case) for the usage example in exportdb. N.  r) isinstancereendswithr r(r) error_typemessage)r,rrrr/s rr)UserError.__init__sl  i-- --||C  s t  ))4 4C 9i+F$ r!)rrr')rrrrerrGr1r2rfr:s@rrrs0NR'.1>K r!rc0^\rSrSrSSU4SjjjrSrU=r$)StepUnsupportedic>[TU]U5 XlU(d([RR R 5nX lSUlgr) r(r)rrrrrrrr,rrr/s rr)StepUnsupported.__init__s< 55CCEJ$ r!)rrrr'rrerrr1r2rfr:s@rrrs r!rc\rSrSrSrg)UnsafeScriptObjectErrorir>Nr?r>r!rrrr@r!rc0^\rSrSrSSU4SjjjrSrU=r$)UncapturedHigherOrderOpErroric>[TU]U5 XlUbUUlg[RR R 5Ulgr')r(r)rrrrrrrs rr)%UncapturedHigherOrderOpError.__init__ sH %  --;;= r!)rrr'rrfr:s@rrrs   r!rc\rSrSrSrg)IncorrectUsagei*r>Nr?r>r!rrr*r@r!rc\rSrSrSrg)FailOnRecompileLimitHiti1r>Nr?r>r!rrr1r@r!rc\rSrSrSrg) PackageErrori5r>Nr?r>r!rrr5r@r!rcB^\rSrSrSS.SU4SjjjrSrU=r$)ObservedExceptioni9Nrc>[TU]"U0UD6 UbUUlg[RRR 5Ulgr')r(r)rrrrrr,rr-r.r/s rr)ObservedException.__init__;sJ $)&)%  --;;= r!r-r rOptional[StackSummary]r.r r1r2rfr:s@rrr9s4@D  &< OR   r!rcN^\rSrSr%S\S'SS.SU4SjjjrSrU=r$) ObservedUserStopIterationiFz Optional[Any]valueNrcd>[TU]SUS9 [U5S:a USUlgSUlg)Nzunhandled `raise StopIteration`rr)r(r)lenrrs rr)"ObservedUserStopIteration.__init__Ls5 :zR t9q=aDJDJr!rrrKr:s@rrrFs:  @D&<OR r!rc\rSrSrSrg)ObservedLookupErroriVr>Nr?r>r!rrrVrr!rc\rSrSrSrg)ObservedIndexErrori[r>Nr?r>r!rrr[rr!rc\rSrSrSrg)ObservedKeyErrori`r>Nr?r>r!rrr`rr!rc\rSrSrSrg)ObservedGeneratorExitier>Nr?r>r!rrrer@r!rc\rSrSrSrg)ObservedAttributeErroriir>Nr?r>r!rrrirr!rc\rSrSrSrg)ObservedRuntimeErrorinr>Nr?r>r!rrrnrr!rc\rSrSrSrg)ObservedNotImplementedErrorisr>Nr?r>r!rrrsr@r!rc\rSrSrSrg)ObservedTypeErroriwr>Nr?r>r!rrrwrr!rcU[;a3[US[U55n[SUS3[405[U'[U$)Nr3ObservedError)observed_exception_maprrerr)exc_typercs rget_dynamo_observed_exceptionrsN--xS];+/tfE "%6$8", x( "( ++r!)r-r.cSSKJn SSKJn U"U5R X=(d /U=(d 05n[ Xd5(deUR U5 URRU5 [U5nU(aU"U6eUe)Nr) ExceptionVals)BuiltinVariable) symbolic_convertr variablesr call_functionr_attach_traceback_to_exception exn_vt_stackset_current_exceptionr)rtxr-r.rr exception_vt raised_excs rraise_observed_exceptionrs{0*#8,::2zr6r>r!r,unimplemented_with_warning..s /  r!c>T$r'r>)graph_break_msgsrrrs?r!) metadata_fn payload_fnz%sT)rcontext explanationhintsfrom_exc log_warning)format_error_msg_verboser_loggingtrace_structuredgraph_breaks_logdebugr)ecoderrrr _unimplementedrs @runimplemented_with_warningr+sd /q7O NN## + $41"N r!c[R"US5R5nSRSU55n[R"US5R5nUSUSUSU3n[ U5nU(aUSU3- nU$)N rc3r# UH-nS[R"US5R5-v M/ g7f)z Hint: r-N)rkindentlstrip).0hints r -format_graph_break_message..s,HM X__T6299;;s57z Explanation: z Developer debug context: z: For more details about this graph break, please visit: )rkr/r0joinget_gbid_documentation_link)rrrr  hints_strrdocumentation_links rformat_graph_break_messager9s //+v6==?K HMIoogv.557G  }  #9  (C 5W= MN`Mabb Jr!)maxsizec[[5R5Rn[ S[ U5S5n[ U5n[R"U5nSSS5 0nWR5HupVUH nXTUS'M M U$!,(df  N;=f![a [RS5 0nNaf=f)z Loads the gb_type to gb_id map from the graph break registry from JSON file with caching. Includes historical gb_type (mapping behavior of duplicate gb_types with different gb_ids is undefined). rzgraph_break_registry.jsonNz!Error accessing the registry fileGb_type) r__file__resolveparentrreopenjsonloadrlog exceptionitems) script_dir registry_pathfregistrymappingkventrys r_load_gb_type_to_gb_id_maprNs (^++-44 ' J!< - Ayy|H! G E()E)$ %! N!  9:s0AB' B!B' B$ B'$B''!C  C cXSn[5nX;aUSX RS5S3$g)z Retrieves the GBID documentation link for a given graph break type. Args: gb_type: The graph break type to look up. Returns: A string containing the documentation URL if found, otherwise None. z;https://meta-pytorch.github.io/compile-graph-break-site/gb/gbGBz.htmlN)rNr0)rGRAPH_BREAK_SITE_URLgb_type_to_gb_id_maps rr6r6*sJ F67&#$B';'D'K'KD'Q&RRW X  r!F)r!r"rc0[XX#5nU(a[RU5 U[LaZSn[ US5(a UR n[ U[5(aURSU3n[XpXhS9e[XpXhS9Ue[XpU5e)a Called within dynamo to cause a graph break. Args: gb_type: Context-free graph break type. It should be a short string without any information specific to the tracing context (i.e. no dynamically-generated strings) context: Developer context for the graph break. It can contain tracing context/dynamic strings. explanation: User-facing context-dependent explanation for the graph break. Can be dynamic. hints: List of user-facing hints for the graph break. NrzJ *** While handling this graph break, another graph break occurred: *** r) r9rCwarning_NOTHINGhasattrrrrr) rrrr r!r"rrpast_real_stacks rrrEs( %W{ JC Cx 8\ * *&11O h , ,\\N"pqtpuvCcJS S *   cJ //r!c2\rSrSrSSjrSSjrSSjrSrg) KeyErrorMsgilcXlgr'r)r,rs rr)KeyErrorMsg.__init__ms r!c,[UR5$r')rerrs r__str__KeyErrorMsg.__str__ps4::r!c"UR5$r')r^rs r__repr__KeyErrorMsg.__repr__ss||~r!rN)rr r1r2)r1re)r3r4r5r6r)r^rar8r>r!rrZrZlsr!rZc[US5(a/URS5nUSSURUSUS3nU$)N _hop_namez Explanation:rz Higher Order Operator: r)rW partitionrd)excrliness r!augment_exc_message_with_hop_nameriwsTsK   01Qxj3CMM?58*USTXJ W  Jr!cSSKnSUl[U5nUb?[U5S:a0USUlUSSR UR U553- n[ R(a1[US5(a USURSURS3- n[ R(d[US 5(aUS - n[US 5(a[URS 5(am[URS 5(a5USURRSURRS3- nOUSURRS3- n[UR5S:XaSO[URS5n[!X5n[#U[$5(a$['XQ-54URSS-UlgXQ-nU4URSS-Ulg)Nrz from user code: rrecord_filenamez! Last frame execution written to zD. To run only this frame while debugging, run torch._dynamo.replay('z'). rz Set TORCHDYNAMO_VERBOSE=1 for the internal stack trace (please do this especially if you're reporting a bug to PyTorch). For even more developer context, set TORCH_LOGS="+dynamo" r minifier_path buck_commandz Minifier script written to zW. Run this buck command to find the smallest traced graph which reproduces this error: rzQ. Run this script to find the smallest traced graph which reproduces this error. r) tracebackinnermost_user_frame_summaryget_real_stackrr5r rreplay_record_enabledrWrlrwrrmrnr-rerirKeyErrorrZ)rgrexportrorold_msgnew_msgs raugment_exc_messagerws'+C$$J#j/A"5+5b>( %bggi.C.CJ.O&P%QRR ##5F(G(G 01D1D0EF++,E 3  >>gc<88  J  s%&&7 _,, 3&& 7 7 /0C0C0Q0Q/RS0030C0C0P0P/QQSU C /0C0C0Q0Q/RS__ C MQ&bC ,r!rget_stack_above_dynamors   ((r!c[USS5nUcgUb [5nO [5n[R"X2-5$)Nr)rrr from_list)rgframerstack_above_dynamos rrqrqsKlD1J  45)^  ! !"4"A BBr!c[5nUHinURcMSUR;a U$SUR;d!UR(aSUR;aMXURU5 Mk U$)N convert_frame eval_frameztorch._dynamo.optimize()r rylineappend)stack user_stackrs rr~r~sqJ >> !  enn ,   5>> ) JJ4 B %  r!ctSSKJn [R"US3U5nU(aUR S5$g)Nr)TORCH_DYNAMO_RESUME_IN_PREFIXz _(\w+)_at_\d+)resume_executionrrematchgroup)rcrrs rremove_resume_prefixrs2? HH56oF ME {{1~ r!c[5nUHenURcM[UR5nU(a&U(aUSRU:Xa X!S'X2lMTUR U5 Mg U$)a When we graph break, we create a resume function and make a regular Python call to it, which gets intercepted by Dynamo. This behavior is normally shown in the traceback, which can be confusing to a user. So we can filter out resume frames for better traceback clarity. Example: File "..." line 3, in f File "..." line 5, in torch_dynamo_resume_in_f_at_80 File "..." line 10, in torch_dynamo_resume_in_f_at_120 becomes File "..." line 10, in f rk)r ryrrcr)r new_stackrrcs rcollapse_resume_framesrsh(I >> ! #EJJ/ )B-"4"4"<!bMJ   U # r!cSURSURSURS3nUS- nU[5- n[ X5nUb,US- nUSR [ U55- nUS- nUS- nU$) NWON'T CONVERT r line rz.========== TorchDynamo Stack Trace ========== zY ========== The above exception occurred while processing the following code ========== rz ==========)co_name co_filenameco_firstlinenor rqr5r )rgr)rlrrrs rr#r# s a(8(8'9@S@S?TTVW CCC:<C+J    rww{:.// t  x Jr!c Z[USS5S[USS5S[USS5S3$) Nrz z (rrrr))r)r)s rformat_frame_infor;sF 4K 0 12 D- 5 67.231 6r!c8Ub[U5nSUSU3$SU3$)Nz6torch.compile intentionally decided to skip the frame z! and fall back to eager. Reason: zVtorch.compile intentionally decided to skip the frame and fall back to eager. Reason: )r)r)reason frame_infos rformat_skip_frame_messagerCsB &t, DZLQh  h  r!c [R(a [XX#5$SURSURSUR S[ 53$)Nrrrz due to: )rrwr#rrrr )rgr)rlrs rformat_error_msgrQsS ~~'?JJ DLL>4+;+;*<= = 88r!)rrer1re)rtype[Exception]r1ztype[ObservedException]) rrr rr-zOptional[list[Any]]r.zOptional[dict[str, Any]]r1r)r r r1r2)r(rr)types.CodeTyperrerrerrer  list[str]r1r) rrerrerrer rr1re)r1zdict[str, Any])rrer1rG)rrerrerrer rr!r r"rrrr1r)rgrrrer1re)rF)rgrrrertrr1r2)r(rr{rr1z#tuple[Optional[str], Optional[int]])r1r r')rgrrOptional[DynamoFrameType]r1r)rr r1r )rcrer1rG)rz!StackSummary | list[FrameSummary]r1r )NN) rgrr)rrlrGrrr1re)r)rr1re)r)zOptional[types.CodeType]rrer1re)~ __future__rrAloggingrrktypingenumrr functoolsrpathlibrrorr r r r r rrr torch._guardsrtorch._utils_internalrrrutilsrtypesr output_graphrrrrrr getLoggerr3rCr$getArtifactLoggerr& RuntimeErrorr$r<rBrErNrQrTrWrZr]r`rhrprrrrrrrrrrrrrrrrrrrrrrrrr StopIteration LookupError IndexError GeneratorExitrsAttributeErrorNotImplementedError TypeErrorrrrr _subclasses fake_tensorDataDependentOutputExceptionDynamicOutputShapeExceptionUnsupportedOperatorExceptionUnsupportedFakeTensorException$UnsupportedMutationAliasingException!exceptions_allowed_to_be_fallbackr+r9rNr6objectrVrrZrirwr|rrqr~rrr#rrrr>r!rrsE"2   XX991'0;9!>>33HnMB<B$ 3  !5  *    /    _  $  ,  )   (  '+'" E, E$*&*B +?  )  1 2 8D8 2* 2  #7  Y  i  '   ,    1   +  ,  *  -  .  ,  "3  ) ,$"( *&4   ,!%'+ !   %   ..< !!>> !!== !!>> !!@@ !!FF %!## # #  #  # ##L      4 120 8"0 "0"0 "0  "0  "0"0"0"0N .-b  ' ( ) 8<C C4CCB  J&*'+   # %   6  "&*'+ 8  8  8# 8 % 8  8r!