Problemsby IbisPyTorch builds are slow or flaky
DevOps and infra8 posts from 1 person4d active+33 posts in the last 7 days, 4 the 7 days before (steady)Unverified
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The posts behind it
8, newest firstDISABLED test_ddp_zero_overlap_use_gpu_True_use_interleaved_hook_True_gradient_as_bucket_view_True_static_graph_True_shard_buckets_False (__main__.TestZeroRedundancyOptimizerDistributed)Platforms: linux This test was disabled because it is failing in CI. See [recent examples](https://hud.pytorch.org/flakytest?name=test_ddp_zero_overlap_use_gpu_True_use_interleaved_hook_True_gradient_as_bucket_view_True_static_graph_True_shard_buckets_False&suite=TestZeroRedundan...pytorch/pytorch · pytorch-bot[bot]2 repliesOpen ↗DISABLED MULTIPLE There are multiple flaky tests in distributed/optim/test_zero_redundancy_optimizer.pyThere are multiple flaky tests in distributed/optim/test_zero_redundancy_optimizer.py. Please investigate and fix the flakiness. disable the following tests: Here is an example for...pytorch/pytorch · pytorch-bot[bot]2 repliesOpen ↗DISABLED test_nested_compile_in_backend_preserves_user_objects_cuda (__main__.TestStreamsCUDA)Platforms: linux This test was disabled because it is failing in CI. See [recent examples](https://hud.pytorch.org/flakytest?name=test_nested_compile_in_backend_preserves_user_objects_cuda&suite=TestStreamsCUDA&limit=100) and the most recent trunk [workflow...pytorch/pytorch · pytorch-bot[bot]1 repliesOpen ↗DISABLED test_copy_transpose_tiled_batched_layout_batch_first_cuda_bfloat16 (__main__.TestTorchDeviceTypeCUDA)Platforms: inductor This test was disabled because it is failing in CI. See [recent examples](https://hud.pytorch.org/flakytest?name=test_copy_transpose_tiled_batched_layout_batch_first_cuda_bfloat16&suite=TestTorchDeviceTypeCUDA&limit=100) and the most recent trunk [workflow...pytorch/pytorch · pytorch-bot[bot]1 repliesOpen ↗DISABLED test_compile_backward_bmm_cuda_float32 (__main__.TestNestedTensorOpInfoCUDA)Platforms: linux, slow This test was disabled because it is failing in CI. See [recent examples](https://hud.pytorch.org/flakytest?name=test_compile_backward_bmm_cuda_float32&suite=TestNestedTensorOpInfoCUDA&limit=100) and the most recent trunk [workflow...pytorch/pytorch · pytorch-bot[bot]1 repliesOpen ↗DISABLED test_copy_transpose_tiled_batched_layout_padded_src_batch_cuda_float64 (__main__.TestTorchDeviceTypeCUDA)Platforms: inductor This test was disabled because it is failing in CI. See [recent examples](https://hud.pytorch.org/flakytest?name=test_copy_transpose_tiled_batched_layout_padded_src_batch_cuda_float64&suite=TestTorchDeviceTypeCUDA&limit=100) and the most recent trunk...pytorch/pytorch · pytorch-bot[bot]1 repliesOpen ↗DISABLED test_opcheck_customopdef (__main__.TestGenerateOpcheckTests)Platforms: dynamo This test was disabled because it is failing in CI. See [recent examples](https://hud.pytorch.org/flakytest?name=test_opcheck_customopdef&suite=TestGenerateOpcheckTests&limit=100) and the most recent trunk [workflow...pytorch/pytorch · pytorch-bot[bot]1 repliesOpen ↗DISABLED test_opcheck_unbacked_stride_cpu (__main__.TestCustomOpTestingCPU)Platforms: dynamo This test was disabled because it is failing in CI. See [recent examples](https://hud.pytorch.org/flakytest?name=test_opcheck_unbacked_stride_cpu&suite=TestCustomOpTestingCPU&limit=100) and the most recent trunk [workflow...pytorch/pytorch · pytorch-bot[bot]1 repliesOpen ↗
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About this problem
Evidence
8 posts from 1 person in 1 place, about 3 a week over 17 days. Mostly on pytorch/pytorch. Tools named alongside: GitHub.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts that state a pain and match the "ci-slow" rule about PyTorch. First post Sep 30, 2026, latest Oct 16, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
The same problem elsewhere
Other PyTorch problems
PyTorch users keep filing bugsTrouble with PyTorch inputTrouble with PyTorch truePyTorch deprecations force unplanned migrationsPyTorch upgrades break working setupsTrouble with PyTorch workerTrouble with PyTorch inductorPyTorch GPU access and drivers are painfulTrouble with PyTorch testPyTorch vulnerabilities are hard to triage and patchRunning PyTorch locally hits memory and speed limitsPyTorch error messages are cryptic
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PyTorch builds are slow or flaky (5 posts)