Vh ,zddlmZmZmZddlZddlmZddlmZmZm Z m Z m Z m Z m Z mZmZmZmZmZmZmZmZmZmZmZmZddgZGddeZd d ed e d ed ed e d e d ze_deedeedeedeedeedeedeedeedededeeefdeeefdeeefdededededed ef&d!Z deedeedeedeedeedeedeedeedededeeefdeeefdeeefdededededed ef&d"Z!deedeedeedeedeedeedeedeedededededeeefdededededed ed#df(d$Z"e e % d)deedeedeedeedeedeed&eededed'eedeedeeded ededededeeefdededef*d(Z#y)*)castOptionalUnionN)Tensor)_capturable_doc_default_to_fused_or_foreach_device_dtype_check_for_fused_differentiable_doc_disable_dynamo_if_unsupported _foreach_doc _fused_doc!_get_capturable_supported_devices_get_scalar_dtype _get_value _maximize_doc _params_doc_stack_if_compiling_use_grad_for_differentiable _view_as_real DeviceDictDeviceDtypeDict OptimizerParamsTAdamadamceZdZ dddddddddedeeefdeeeefeeeffdeded ed e ed ed ed ede edeffdZ fdZ dZ e ddZxZS)rFN)foreachmaximize capturabledifferentiablefuseddecoupled_weight_decayparamslrbetaseps weight_decayamsgradrrr r!r"r#c t|tr-|r | s td|jdk7r tdd|kstd|d|kstd|d|dcxkrdksntd |dd|dcxkrdksntd |dd|kstd |t|dtrt|dts1t|dtrt|dts td t|dtr0| s |r td |djdk7r tdt|dtr0| s |r td|djdk7r tdt |||||||| | | |  } t ||| | r"| r tdd|_ |r tdyy)NElr as a Tensor is not supported for capturable=False and foreach=TruerzTensor lr must be 1-elementzInvalid learning rate: zInvalid epsilon value: r?z#Invalid beta parameter at index 0: z#Invalid beta parameter at index 1: zInvalid weight_decay value: z0betas must be either both floats or both TensorszKbetas[0] as a Tensor is not supported for capturable=False and foreach=Truez!Tensor betas[0] must be 1-elementzKbetas[1] as a Tensor is not supported for capturable=False and foreach=Truez!Tensor betas[1] must be 1-element) r%r&r'r(r)rrr r!r"r#z)`fused` does not support `differentiable`Tz0`fused` and `foreach` cannot be `True` together.) isinstancer ValueErrornumelfloatdictsuper__init__ RuntimeError_step_supports_amp_scaling)selfr$r%r&r'r(r)rrr r!r"r#defaults __class__s @/home/dcms/DCMS/lib/python3.12/site-packages/torch/optim/adam.pyr4z Adam.__init__"s b& !z [xxzQ !>??by6rd;< <cz6se<= =eAh$$B58*MN NeAh$$B58*MN Nl";L>JK K a% (Za%-H58V,E!Hf1MOP P eAh '' aQx~~1$ !DEE eAh '' aQx~~1$ !DEE%!)#9   * "#NOO.2D + "#UVV ct|||jD]5}|jdd|jdd|jdd|jdd|jdd|jdd|jdd}|d D]}|jj |g}t |d k7s.tj|d rGt|d }|ds|dr,tj|t| |j ntj|t|d <8y)Nr)Frrr r!r#r"r$rstepis_fuseddtypedevicerA) r3 __setstate__ param_groups setdefaultstategetlentorch is_tensorr1tensorrrB)r7rGgroupr"pp_statestep_valr9s r:rDzAdam.__setstate__qs6 U#&& E   Y .   Z /   Y -   \5 1   -u 5   5u =$$Wd3E8_ **..B/w<1$U__WV_-M$WV_5H!.%.  $"3U"C#$88 #\\(:K:MNFO  r;cRd}|dD]} | j|tj| z}|j| | jjr t d|j| j|j | } t| dk(r|dr t| |ds|dr/tjdt|d| j ntjd t | d <tj| tj | d<tj| tj | d<|dr(tj| tj | d<|j| d|j| d|dr|j| d|dr| d jr t d|dr(tj |dr|ds t d|j| d |S)NFr$zJAdam does not support sparse gradients, please consider SparseAdam insteadrr"r r>r@r,rCr=) memory_formatexp_avg exp_avg_sqr)max_exp_avg_sqr!zB`requires_grad` is not supported for `step` in differentiable moderr%r+)gradrJ is_complexappend is_sparser5rGrIr zerosrrBrL zeros_likepreserve_format requires_gradrK) r7rMparams_with_gradgradsexp_avgs exp_avg_sqsmax_exp_avg_sqs state_steps has_complexrNrGs r: _init_groupzAdam._init_groups x= 2Avv!u//22  ''*66##&d QVV$ 1 u:?W~5a8!.%.  "3U7^"L#$88 #\\#5F5HI&M(-'7'7)>)>(E)$+0*:*:)>)>+E,'Y'272B2BU-B-B3./i 01""5#67##**51A+BC)*uV}/J/J&\ )$d 4!,/&_""5=1{= 2|r;c|jd}|$tj5|}ddd|jD]}g}g}g}g}g}g} |d\} } |j ||||||| } t |||||| f|d| | | |d|d|d|d|d|d |d |d t |d dt |d d|dd|S#1swYxYw)zPerform a single optimization step. Args: closure (Callable, optional): A closure that reevaluates the model and returns the loss. Nr&r)r%r(r'rrr r!r" grad_scale found_infr#)r)rebeta1beta2r%r(r'rrr r!r"rhrir#) _cuda_graph_capture_health_checkrJ enable_gradrErfrgetattr) r7closurelossrMr_r`rarbrcrdrjrkres r:r=z Adam.stepsG --/  ""$ !y !&&) E-/ "$E%'H(*K,.O(*K >LE5** K    i(';">2%Lz*i( .$%56Gn"4t<!$ T:',-E'F+ ') V ] ! !s C  C)gMbP?)g?g+?g:0yE>rFN)__name__ __module__ __qualname__rrr1rtupleboolrr4rDrfrr= __classcell__)r9s@r:rr!s$(COMW#' $ $',MWMW %- MWU5&=)5+??@ MW  MW  MWMW$MWMWMWMW~MW!%MW^0IV"9"9r;af Implements Adam algorithm. .. math:: \begin{aligned} &\rule{110mm}{0.4pt} \\ &\textbf{input} : \gamma \text{ (lr)}, \beta_1, \beta_2 \text{ (betas)},\theta_0 \text{ (params)},f(\theta) \text{ (objective)} \\ &\hspace{13mm} \lambda \text{ (weight decay)}, \: \textit{amsgrad}, \:\textit{maximize}, \: \epsilon \text{ (epsilon)} \\ &\textbf{initialize} : m_0 \leftarrow 0 \text{ ( first moment)}, v_0\leftarrow 0 \text{ (second moment)},\: v_0^{max}\leftarrow 0 \\[-1.ex] &\rule{110mm}{0.4pt} \\ &\textbf{for} \: t=1 \: \textbf{to} \: \ldots \: \textbf{do} \\ &\hspace{5mm}\textbf{if} \: \textit{maximize}: \\ &\hspace{10mm}g_t \leftarrow -\nabla_{\theta} f_t (\theta_{t-1}) \\ &\hspace{5mm}\textbf{else} \\ &\hspace{10mm}g_t \leftarrow \nabla_{\theta} f_t (\theta_{t-1}) \\ &\hspace{5mm}\textbf{if} \: \lambda \neq 0 \\ &\hspace{10mm} g_t \leftarrow g_t + \lambda \theta_{t-1} \\ &\hspace{5mm}m_t \leftarrow \beta_1 m_{t-1} + (1 - \beta_1) g_t \\ &\hspace{5mm}v_t \leftarrow \beta_2 v_{t-1} + (1-\beta_2) g^2_t \\ &\hspace{5mm}\widehat{m_t} \leftarrow m_t/\big(1-\beta_1^t \big) \\ &\hspace{5mm}\textbf{if} \: amsgrad \\ &\hspace{10mm} v_t^{max} \leftarrow \mathrm{max}(v_{t-1}^{max},v_t) \\ &\hspace{10mm}\widehat{v_t} \leftarrow v_t^{max}/\big(1-\beta_2^t \big) \\ &\hspace{5mm}\textbf{else} \\ &\hspace{10mm}\widehat{v_t} \leftarrow v_t/\big(1-\beta_2^t \big) \\ &\hspace{5mm}\theta_t \leftarrow \theta_{t-1} - \gamma \widehat{m_t}/ \big(\sqrt{\widehat{v_t}} + \epsilon \big) \\ &\rule{110mm}{0.4pt} \\[-1.ex] &\bf{return} \: \theta_t \\[-1.ex] &\rule{110mm}{0.4pt} \\[-1.ex] \end{aligned} For further details regarding the algorithm we refer to `Adam: A Method for Stochastic Optimization`_. z Args: a lr (float, Tensor, optional): learning rate (default: 1e-3). A tensor LR is not yet supported for all our implementations. Please use a float LR if you are not also specifying fused=True or capturable=True. betas (Tuple[float, float], optional): coefficients used for computing running averages of gradient and its square (default: (0.9, 0.999)) eps (float, optional): term added to the denominator to improve numerical stability (default: 1e-8) weight_decay (float, optional): weight decay (L2 penalty) (default: 0) decoupled_weight_decay (bool, optional): if True, this optimizer is equivalent to AdamW and the algorithm will not accumulate weight decay in the momentum nor variance. (default: False) amsgrad (bool, optional): whether to use the AMSGrad variant of this algorithm from the paper `On the Convergence of Adam and Beyond`_ (default: False) z a= .. Note:: A prototype implementation of Adam and AdamW for MPS supports `torch.float32` and `torch.float16`. .. _Adam\: A Method for Stochastic Optimization: https://arxiv.org/abs/1412.6980 .. _On the Convergence of Adam and Beyond: https://openreview.net/forum?id=ryQu7f-RZ r$r`rarbrcrdrhrir)rerjrkr%r(r'rr r!r#c " ||Jtjjr6t| tsJt| tsJt| tsJt| t r| j | jf| i}nd}t|D]\}}|s||n|| }||}||}||}tjjs\|rZt}|j j|j jk(r|j j|vs Jd|d|dz }| dk7r|r|jd| | zz nf|rQt| t rA| jr!|j|j!| }n'|j#|| }n|j#|| }tj$|rqtj&|}tj&|}tj&|}|rtj&||||<tj&|}|j }|1|j}||f}||vr| j)||d||<||}n| }|j+|d|z |rmt| t r]| jr*|j+tj,|d| z nM|j| j||d| z n&|j| j||d| z |s|r|}|rD   E "%%d+D((1G++J7J%*%7%78J%K"&&u-E  !KKE5/C*$"'((&TX("Y 31;CL L  dA ,- j7""  d!3AI F&//d!e)/L OOE " + +D$a%i + H D*UF";&&'(5DJJL+@'@$'(5$;$#$ud{? *UF";&&'(5DJJL+@'@$'(5$;$#$ud{? --I%MMOM$4$9$9$; !!%4Q%7%=%=%?N%4Q%7N"((~z)RS $A&++-1F1VW$s]*+ OO%)>)NO$s]*+w}}6w.f%D 5$;  5$; --I$4c$9 ! oa0*/RSBTU)+0025JJPPQTU#*-BBHHM NN7E)N < u''q 2!&!6!6q7I!JOA eRKr;c  -t|dk(ryt| tr |s tdt| tr+|s t d| j dk7r t dt| tr+|s t d| j dk7r t dt jjs7|r5td -t-fd t||Ds Jd -d ||J|rJd tj||||||g}t| tr&t| jdk7r| j| ind}|j!D]\\}}}}}}}t#t$t|}t#t$t|}t#t$t|}t#t$t|}t#t$t|} |dj}!||!|vr| j'|!d||!<|r||!n| }"| r7|r't#t$t|}#t)|||||#nt)|||||rt j*|}t jjs=| dj,r.t j.| t j0dddnt j.| d| dk7rR|rt j2|d| | zz n3|rt j.||| nt j4||| }t j6||d|"z t j2|| t| t jrt j8|d| z }$d}%n|}$d| z }%t j:||$||%~~$|rft j<| | }&t j<| | }'t j>|&dt j>|'dt j@|'t jB|&| t jD|&t jF|'|&}(|'})|rCt#t$t|}#t jH|#|t jJ|#}*nt jJ|}*t jB|*|)t j.|*|t jB|*|(t jL|||*| D+cgc]}+d| tO|+zz }&}+| D+cgc]}+d| tO|+zz }'}+tQ|&D,cgc] },| |,z dz c},}(|'D,cgc]},|,dz })},|rCt#t$t|}#t jH|#|t jJ|#}*nt jJ|}*t jB|*|)t j.|*|t jL|||*|(ycc}+wcc}+wcc},wcc},w)Nrr+zHbeta1 as a Tensor is not supported for capturable=False and foreach=TruerzTensor beta1 must be 1-elementzHbeta2 as a Tensor is not supported for capturable=False and foreach=TruezTensor beta2 must be 1-elementF) supports_xlac3K|]N\}}|jj|jjk(xr|jjvPywrq)rBr).0rNr=rs r: z%_multi_tensor_adam..IsQ 4 HHMMT[[-- - > !== > sAAryrzz#_foreach ops don't support autogradcpuTrBr}r-)rBr{r))rIr.rr5r/r0rJrrrallzipr"_group_tensors_by_device_and_dtypestrrBvaluesrlistrr _foreach_negis_cpu _foreach_add_rL _foreach_mul_ _foreach_add_foreach_lerp_ _foreach_mul_foreach_addcmul_ _foreach_pow _foreach_sub_ _foreach_neg_ _foreach_div__foreach_reciprocal__foreach_sqrt__foreach_maximum_ _foreach_sqrt_foreach_addcdiv_rr).r$r`rarbrcrdrhrir)rerjrkr%r(r'rr r!r#grouped_tensorsrdevice_params_ device_grads_device_exp_avgs_device_exp_avg_sqs_device_max_exp_avg_sqs_device_state_steps__ device_params device_gradsdevice_exp_avgsdevice_exp_avg_sqsdevice_state_stepsrBrdevice_max_exp_avg_sqsscaled_device_gradsrrrrrexp_avg_sq_sqrtr=bcrs. @r:_multi_tensor_adamrs(, 6{a"fj S  % Z  ;;=A => >% Z  ;;=A => > >> & & (Z'H( $ v{3   wWWsVttu v  w  )"33 3DDD BB + LO eV $U\\):e)C u   " " $\  T&\>: DL-8 tF|-=>!$v,0CD!$v,0CDq!((  !fJ&>!&d!KJv -7z&)U  )-d6l@RS#("5"56L"M"'"5"56H"I   1F G    5    ;  # #M?O T;M 26EZ---   ;M 26EZ---   ,FV,Wb2g^,WXI7G$HRW$H !$H)-d6l@RS#("5"56L"M"'"5"56H"I   1F G    5  # # u\F  -X$Hs,X7 X<-Y  Yreturnc <|sy|r td||j|ini}||j|ini}t| tr&t | jdk7r| j| ind}t j ||||||g}|jD]\\}}\\}}}}}}}ttt|}ttt|} ttt|}!ttt|}"ttt|}#|jdk(r||Jd\}$}%|#|j||j|d}$|#|j||j|d}%|||vr| j|d||<||} tj|#d|stjntj }&|&|| |!|"||#|| | | | |||$|% |%_tj"|#|%gt%|#zy) Nz9Adam with fused=True does not support differentiable=Truermps)NNT)r}rr) r)r%rjrkr(r'rrhri)r5rBr.rrrritemsrrrrFrrJr _fused_adam_ _fused_adamw_rrI)'r$r`rarbrcrdrhrir)rerjrkr%r(r'rr r!r#grad_scale_dictfound_inf_dictlr_dictrrBrrrrrrrrrrrrdevice_grad_scaledevice_found_inffuncs' r: _fused_adamrsh, VWW,6+A  J'r*3)>  9%B&b&1c"))n6MBSW  BB + LO    6        "  T&\>: DL-8 tF|-=>!$v,0CD!$v,0CD ;;% $); ;;.8++  ! / : : f4 @!   -88 V$ ?    6#8 ee6eEGFOB .2)?u!!UEXEX     " %(& "  '   "%5$6=O9P$P i6r;)single_tensor_fnrr"ch| )|'t||d\}}|rt|tr|sd}| d} |d}tjj st d|Ds td|r)tjjr td| r)tjjr td| r%tjjst}n-|r%tjjst}nt}|||||||f|| ||||||||| | | d y) znFunctional API that performs Adam algorithm computation. See :class:`~torch.optim.Adam` for details. NF) use_fusedc3PK|]}t|tj ywrq)r.rJr)rts r:rzadam..s 5() 1ell#5s$&zPAPI has changed, `state_steps` argument must contain a list of singleton tensorsz6torch.jit.script not supported with foreach optimizersz4torch.jit.script not supported with fused optimizers) r)rerjrkr%r(r'rr r!rhrir#) r r.rrJrrrr5rrrrr)r$r`rarbrcrdrr r!r"rhrirer#r)rjrkr%r(r'rrrs r:rras=F }1 Ne 7 z"f-jG } >> & & (5-852 ^  599))+STT '')QRR UYY++- //1!"   ! %5'r;)NFFNNNFF)$typingrrrrJr optimizerrr r r r r rrrrrrrrrrrrr__all__r__doc__rrvr1rrrrrRr;r:rs6(( . 6 m9mb$J         +KB N{K L{K <{K6l{Kf {K &\ {K f {K {K{K{K{K  {K  {K eVm{K{K !{K"#{K$%{K&'{K(!){K|e Le <e6lef e &\ e f e eeee  e  e eVmee !e"#e$%e&'e(!)eP` L` <`6l`f ` &\ ` f ` ```` ` ` eVm`` !`"#`$%`&'`(!)`* +`F 1DE#  #'"&#(!W LW <W6lWf W &\ W f Wd^WWW D>W WWW !!W$%W& 'W( )W* eVm+W,-W. /W01WFWr;