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Avik Chaudhuri b70d105c77 infer dynamic shapes through additional inputs (#150144) 
Summary:
Instead of explicitly specifying dynamic shapes, it is possible to infer them from additional example inputs. Together with the example inputs provided to export, we can basically make any varying dim dynamic and keep any fixed dim static. This should be useful for prod scenarios that have access to tests and/or profiling data, yet are somewhat removed from the model authoring process.

However this alone is not satisfactory: the exported program by design has only one graph, representing one path through the model, and we cannot necessarily guarantee that this graph works for the additional example inputs because different guards might have been created if we had exported with them instead (corresponding to different traced paths). However, checking that the additional example inputs satisfy the guards created by the original export should be sufficient for generalization.

Now, while we don't preserve all guards in the exported program, we do check a subset of them as part of input matching. So we add a verification step at the end of export when such additional example inputs are provided. This should be enough for now.

Test Plan: added test (positive and negative cases)

Differential Revision: D72001771

Pull Request resolved: https://github.com/pytorch/pytorch/pull/150144
Approved by: https://github.com/bobrenjc93
2025-04-01 21:13:39 +00:00
..
_static Update OSS nested tensor docs to focus on NJT (#145402) 2025-01-25 04:08:19 +00:00
_templates Remove link to search survey (#147751) 2025-02-25 19:26:59 +00:00
community Add @nikitaved to torch.linalg CODEOWNERS/persons_of_interest (#141803) 2025-02-04 16:11:31 +00:00
elastic DOC: add docstring to construct_and_record_rdzv_event() (#128189) 2024-06-10 22:17:33 +00:00
notes Use schema as source of truth + support ones_like/empty_like (#149052) 2025-03-18 02:40:54 +00:00
rpc [Doc] fix some typos (found by codespell and typos) (#132544) 2024-08-05 17:21:56 +00:00
scripts [BE][CI] bump ruff to 0.9.0: string quote styles (#144569) 2025-02-24 19:56:09 +00:00
accelerator.rst [BE][accelerator] formalize API name {current,set}_device_{idx => index} (#140542) 2024-12-12 10:53:48 +00:00
amp.rst Update document for autocast on CPU (#135299) 2024-09-13 09:11:47 +00:00
autograd.rst Add torch.library.register_autograd (#124071) 2024-04-18 12:47:59 +00:00
backends.rst Revert "Reverting the PR adding Kleidiai-based int4 kernels (#145392)" (#145505) 2025-01-23 18:50:59 +00:00
benchmark_utils.rst Adding Compare in torch.utils.benchmark documentation (#125009) 2024-05-03 00:50:54 +00:00
bottleneck.rst
checkpoint.rst [checkpoint] Clean up selective activation checkpoint and make public (#125795) 2024-06-18 18:18:50 +00:00
complex_numbers.rst Document complex optimizer semantic behavior (#121667) 2024-03-16 00:43:47 +00:00
cond.rst [Doc] fix some typos (found by codespell and typos) (#132544) 2024-08-05 17:21:56 +00:00
conf.py Initial implementation of host memory stats (#147660) 2025-03-05 16:13:19 +00:00
config_mod.rst
cpp_extension.rst xpu: support sycl with torch.utils.cpp_extension APIs (#132945) 2025-02-16 16:50:59 +00:00
cpp_index.rst
cpu.rst Add current_device() to torch.cpu (#110987) 2023-10-11 05:13:10 +00:00
cuda_environment_variables.rst Add doc page for environment variables that effect PyTorch Runtime (#119087) 2024-02-15 21:41:38 +00:00
cuda._sanitizer.rst
cuda.rst Add Missing Communication collectives (#147379) 2025-03-19 06:59:04 +00:00
cuda.tunable.rst [Docs][TunableOp] TunableOp documentation update (#148384) 2025-03-07 21:02:49 +00:00
cudnn_persistent_rnn.rst
cudnn_rnn_determinism.rst
data.rst
ddp_comm_hooks.rst
debugging_environment_variables.rst Add doc page for environment variables that effect PyTorch Runtime (#119087) 2024-02-15 21:41:38 +00:00
deploy.rst
deterministic.rst Add torch.utils.deterministic.fill_uninitialized_memory flag (#111377) 2023-11-01 16:10:09 +00:00
distributed.algorithms.join.rst
distributed.checkpoint.rst Supporting non-tensor-data write_size in planner write items. (#149699) 2025-03-21 18:09:14 +00:00
distributed.elastic.rst Reapply "distributed debug handlers (#126601)" (#127805) 2024-06-04 19:44:30 +00:00
distributed.fsdp.fully_shard.rst [FSDP2] Move to public torch.distributed.fsdp (#141868) 2024-12-07 01:24:28 +00:00
distributed.optim.rst
distributed.pipelining.rst [pipelining] Update tutorials and documentation (#143045) 2024-12-12 18:42:17 +00:00
distributed.rst ProcessGroupGloo: support reduce_scatter + update support chart (#149869) 2025-03-25 01:16:12 +00:00
distributed.tensor.parallel.rst [dtensor][tp] add a ParallelStyle PrepareModuleInputOutput (#150372) 2025-04-01 19:15:43 +00:00
distributed.tensor.rst [dtensor] expose the __create_chunk_list__ in the doc (#144100) 2025-01-03 20:06:23 +00:00
distributions.rst Add inverse gamma distribution and fix sign bug in PowerTransform. (#104501) 2023-11-01 02:26:25 +00:00
dlpack.rst
docutils.conf
export.ir_spec.rst [export] Update docs (#142011) 2024-12-05 03:44:46 +00:00
export.programming_model.rst fix formatting in programming model doc (#143587) 2024-12-20 07:09:19 +00:00
export.rst infer dynamic shapes through additional inputs (#150144) 2025-04-01 21:13:39 +00:00
fft.rst
fsdp.rst
func.api.rst Add torch.func.debug_unwrap (#146528) 2025-02-06 18:48:09 +00:00
func.batch_norm.rst
func.migrating.rst
func.rst
func.ux_limitations.rst
func.whirlwind_tour.rst
future_mod.rst Add swap_tensors path to nn.Module._apply (#117167) 2024-02-07 18:55:44 +00:00
futures.rst
fx.experimental.rst Introduce guard_or_true, guard_or_false (#148430) 2025-03-27 09:34:05 +00:00
fx.rst Fix the invalid link for FX (#149289) 2025-03-19 14:03:18 +00:00
hub.rst
index.rst Add Torchao docs link to Pytorch libraries (#145412) 2025-01-24 17:11:20 +00:00
jit_builtin_functions.rst
jit_language_reference_v2.rst [Doc] fix some typos (found by codespell and typos) (#132544) 2024-08-05 17:21:56 +00:00
jit_language_reference.rst [Doc] fix some typos (found by codespell and typos) (#132544) 2024-08-05 17:21:56 +00:00
jit_python_reference.rst
jit_unsupported.rst Add support for torch.Generator type in TorchScript (#110413) 2023-11-21 23:07:21 +00:00
jit_utils.rst
jit.rst Doc test non packages (#110568) 2023-10-06 14:16:01 +00:00
library.rst [Custom Ops] Add a new API to allow users to register an autocast for the custom op (#145588) 2025-01-27 19:22:43 +00:00
linalg.rst
logging.rst Change classification to beta for TORCH_LOGS (#118682) 2024-01-31 21:50:55 +00:00
masked.rst Add MaskedTensor passthrough: unfold, F.Unfold, F.Fold, stack (#125262) 2024-09-06 19:06:23 +00:00
math-quantizer-equation.png
meta.rst Add documentation for meta device (#119119) 2024-02-04 01:05:22 +00:00
miscellaneous_environment_variables.rst Add environment variable to force no weights_only load (#138225) 2024-10-21 23:26:15 +00:00
mobile_optimizer.rst Add ExecuTorch warning to mobile_optimizer (#134697) 2024-09-04 17:47:14 +00:00
model_zoo.rst
module_tracker.rst Add module tracker (#125352) 2024-05-04 18:33:35 +00:00
monitor.rst
mps_environment_variables.rst [MPS] Add mps profiler env vars to docs (#129552) 2024-07-04 06:44:48 +00:00
mps.rst [MPS] Make torch.mps.compile_shader public (#148972) 2025-03-11 20:20:58 +00:00
mtia.memory.rst Revert "[MTIA] (3/n) Implement PyTorch APIs to query/reset device peak memory usage (#143347)" 2024-12-21 04:04:16 +00:00
mtia.rst Revert "[MTIA] (3/n) Implement PyTorch APIs to query/reset device peak memory usage (#143347)" 2024-12-21 04:04:16 +00:00
multiprocessing.rst Doc test non packages (#110568) 2023-10-06 14:16:01 +00:00
name_inference.rst
named_tensor.rst
nested.rst Update OSS nested tensor docs to focus on NJT (#145402) 2025-01-25 04:08:19 +00:00
nn.attention.bias.rst Remove sdp_kernel and replace with sdpa_kernel in attention namespace (#114689) 2024-01-24 22:28:04 +00:00
nn.attention.experimental.rst [Flex Attention] Paged Attention (#137164) 2024-10-29 17:05:22 +00:00
nn.attention.flex_attention.rst FlexAttention support for NJT (#136792) 2024-10-28 20:01:27 +00:00
nn.attention.rst [Flex Attention] Paged Attention (#137164) 2024-10-29 17:05:22 +00:00
nn.functional.rst Add RMSNorm module (#121364) 2024-03-29 18:05:28 +00:00
nn.init.rst
nn.rst Add APIs to separate norm calculation and gradient scaling in nn.utils.clip_grad_norm_ (#139662) 2024-11-07 23:13:23 +00:00
onnx_dynamo_memory_usage.rst Update TorchDynamo-based ONNX Exporter memory usage example code. (#144139) 2025-01-03 20:41:36 +00:00
onnx_dynamo_onnxruntime_backend.rst
onnx_dynamo.rst [ONNX] Clean up legacy dynamo export code (#149745) 2025-03-23 19:35:16 +00:00
onnx_ops.rst [ONNX] Create onnx_symbolic (#148905) 2025-03-18 21:32:06 +00:00
onnx_torchscript_supported_aten_ops.rst
onnx_torchscript.rst [ONNX] Clean up legacy dynamo export code (#149745) 2025-03-23 19:35:16 +00:00
onnx_verification.rst [ONNX] Expose verification utilities (#148603) 2025-03-18 02:10:34 +00:00
onnx.rst [ONNX] Create onnx_symbolic (#148905) 2025-03-18 21:32:06 +00:00
optim.rst Ensure SWA boundary conditions w.r.t. definition (#133773) 2024-10-31 18:24:08 +00:00
package.rst Doc test non packages (#110568) 2023-10-06 14:16:01 +00:00
profiler.rst Doc test non packages (#110568) 2023-10-06 14:16:01 +00:00
quantization-accuracy-debugging.rst
quantization-backend-configuration.rst
quantization-support.rst [Quant][PT2E] add a lowering pass for x86 backend (#149708) 2025-04-01 17:32:41 +00:00
quantization.rst [Quant][PT2E] add a lowering pass for x86 backend (#149708) 2025-04-01 17:32:41 +00:00
random.rst
rpc.rst
signal.rst
size.rst Added a docstring for torch.Size.numel. (#124186) 2024-04-19 09:23:02 +00:00
sparse.rst SparseCsrCUDA: cuDSS backend for linalg.solve (#129856) 2024-08-22 07:57:30 +00:00
special.rst
storage.rst Doc: Rewrite the storage.rst file to emphasize untyped storages (#140145) 2024-11-13 17:40:16 +00:00
tensor_attributes.rst [Docs] Remove duplicate declaration of double_tensor (#140927) 2024-11-18 21:22:30 +00:00
tensor_view.rst [docs] fix numpy docs reference (#147697) 2025-02-26 01:30:03 +00:00
tensorboard.rst
tensors.rst add xpu to torch.tensors (#127280) 2024-06-11 18:13:01 +00:00
testing.rst
threading_environment_variables.rst Add doc page for environment variables that effect PyTorch Runtime (#119087) 2024-02-15 21:41:38 +00:00
torch_cuda_memory.rst
torch_environment_variables.rst [Docs][MPS] Add mps environment variable table (#129008) 2024-06-20 03:30:35 +00:00
torch_nccl_environment_variables.rst [c10d][doc] Add docs for ENV variables TORCH_NCCL_ASYNC_ERROR_HANDLING TORCH_NCCL_TRACE_CPP_STACK and TORCH_NCCL_COORD_CHECK_MILSEC (#132920) 2024-08-09 21:08:20 +00:00
torch.ao.ns._numeric_suite_fx.rst
torch.ao.ns._numeric_suite.rst
torch.compiler_aot_inductor_minifier.rst Aoti minifier flatten (#141156) 2024-12-06 07:12:45 +00:00
torch.compiler_aot_inductor.rst update aotinductor doc for XPU support (#149299) 2025-03-21 04:40:31 +00:00
torch.compiler_api.rst [export] add is_exporting flag (#142425) 2024-12-18 21:36:28 +00:00
torch.compiler_best_practices_for_backends.rst
torch.compiler_cudagraph_trees.rst Revert "Implement cuda graphs implementation of torch.cond and torch.while_loop (#140979)" 2025-02-13 18:04:26 +00:00
torch.compiler_custom_backends.rst [pt2, docs] Add new PT2 troubleshooting doc (#138620) 2024-11-09 01:17:39 +00:00
torch.compiler_dynamic_shapes.rst feat: Add min, max ranges to mark_dynamic API (#119737) 2024-03-07 23:26:03 +00:00
torch.compiler_dynamo_deepdive.rst fix typo in torch.compiler_dynamo_deepdive.rst (#140871) 2024-11-19 14:42:36 +00:00
torch.compiler_dynamo_overview.rst Rename TorchDynamo -> Dyanamo in the dynamo tutorial doc (#123431) 2024-05-07 05:07:00 +00:00
torch.compiler_fake_tensor.rst [doc] improve code in fake tensor doc (#140329) 2024-11-13 05:14:56 +00:00
torch.compiler_faq.rst Rename cache limit to recompile limit in configs (#143709) 2024-12-22 10:03:57 +00:00
torch.compiler_fine_grain_apis.rst [export] add is_exporting flag (#142425) 2024-12-18 21:36:28 +00:00
torch.compiler_get_started.rst [Inductor] Update AttrsDescriptor instantiation for Triton changes (#137458) 2024-10-14 20:20:29 +00:00
torch.compiler_inductor_profiling.rst
torch.compiler_ir.rst
torch.compiler_nn_module.rst Revert "Reland 3rd try [finishing colesbury's PR 100642] Guard on nn.Module dicts and type (#109323)" + Forward fixes + test (#110964) 2023-10-11 05:16:47 +00:00
torch.compiler_performance_dashboard.rst
torch.compiler_profiling_torch_compile.rst Update Doc for Intel XPU Profiling (#134515) 2025-03-27 09:15:35 +00:00
torch.compiler_transformations.rst
torch.compiler_troubleshooting_old.rst Rename cache limit to recompile limit in configs (#143709) 2024-12-22 10:03:57 +00:00
torch.compiler_troubleshooting.rst Rename cache limit to recompile limit in configs (#143709) 2024-12-22 10:03:57 +00:00
torch.compiler.config.rst Profile guided optimization for automatic_dynamic (#139001) 2024-11-03 06:29:57 +00:00
torch.compiler.rst Profile guided optimization for automatic_dynamic (#139001) 2024-11-03 06:29:57 +00:00
torch.overrides.rst Doc test non packages (#110568) 2023-10-06 14:16:01 +00:00
torch.rst Move get accelerator to use build time flags when possible (#146098) 2025-03-10 13:17:58 +00:00
type_info.rst
utils.rst New swap function (#111747) 2023-12-08 18:49:35 +00:00
xpu.rst Add get_stream_from_external API for XPU backend (#141123) 2024-12-31 11:15:52 +00:00