NVIDIA/DALI

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A GPU-accelerated library containing highly optimized building blocks and an execution engine for data processing to accelerate deep learning training and inference applications.

Stars: 5.8k
Forks: 678
Open beginner issues: 0
Indexed issues: 191
Avg merge: 3d 1h
Merged PRs (30d): 27

Dominant language: C++
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

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191 open issues indexed

Utilizing all NVDEC engines on a single GPU with multiple pipelines Open

enhancement question

NVIDIA/DALI#6387 · 3 comments · 1 assignee · Opened Jun 7, 2026
decoders.video CUDA_ERROR_SHARED_OBJECT_SYMBOL_NOT_FOUND (302): Open

question

NVIDIA/DALI#6122 · 3 comments · 1 assignee · Opened Dec 9, 2025
Support for GeoTIFF images Open

enhancement

NVIDIA/DALI#6114 · 1 comment · 1 assignee · Opened Dec 6, 2025
NVDEC doesn't support HEVC yuv444p decode Open

enhancement

NVIDIA/DALI#6079 · 1 comment · 1 assignee · Opened Oct 30, 2025
`DALIDataType` does not include `COMPLEX64` and `COMPLEX128` Open

enhancement external contribution welcome

NVIDIA/DALI#6028 · 2 comments · 1 assignee · Opened Sep 14, 2025
The test case VideoReaderDecoderGpuTest.RandomShuffle failed. Open

question

NVIDIA/DALI#6025 · 1 comment · 1 assignee · Opened Sep 11, 2025
Issue with DALI Video Reader - CUDA_ERROR_NO_DEVICE Open

question

NVIDIA/DALI#5943 · 8 comments · 1 assignee · Opened Jun 8, 2025
How to input paired audio and video into the pipeline efficiently? Open

question

NVIDIA/DALI#5935 · 1 comment · 1 assignee · Opened May 27, 2025
Designing my video-based pipeline Open

question

NVIDIA/DALI#5888 · 8 comments · 1 assignee · Opened Apr 17, 2025
Frame extraction by timestamp Open

enhancement Video

NVIDIA/DALI#5860 · 4 comments · 1 assignee · Opened Mar 25, 2025
how to remove the cached memory by DALI Open

question

NVIDIA/DALI#5816 · 1 comment · 1 assignee · Opened Feb 10, 2025
ops.readers.Numpy how to return the filename Open

question

NVIDIA/DALI#5790 · 5 comments · 1 assignee · Opened Jan 17, 2025
Reading a webdataset from cloud storage Open

question

NVIDIA/DALI#5785 · 3 comments · 1 assignee · Opened Jan 16, 2025
Pipeline to iterate over a single NumPy file Open

question

NVIDIA/DALI#5782 · 5 comments · 1 assignee · Opened Jan 16, 2025
Expected GPU utilization pattern for video decoding. Open

question

NVIDIA/DALI#5764 · 1 comment · 3 reactions · 1 assignee · Opened Dec 28, 2024
Can't get the same acc with the pytorch transform in iNaturalist2018 dataset Open

question

NVIDIA/DALI#5721 · 8 comments · 1 assignee · Opened Nov 21, 2024
Rust Bindings for DALI Open

enhancement

NVIDIA/DALI#5705 · 2 comments · 1 reaction · 1 assignee · Opened Nov 9, 2024
Error with GPU-only Image Decoding in NVIDIA DALI Pipeline Open

question

NVIDIA/DALI#5697 · 7 comments · 1 assignee · Opened Nov 3, 2024
Dynamic slicing and batch size Open

question Video

NVIDIA/DALI#5671 · 7 comments · 1 assignee · Opened Oct 9, 2024
The negative influence of directly converting inputs to tensors and transferring back to CPU Open

question

NVIDIA/DALI#5659 · 7 comments · 1 assignee · Opened Oct 4, 2024
Multiple image simultaneously Open

question

NVIDIA/DALI#5639 · 1 comment · 1 assignee · Opened Sep 19, 2024
All pixels are abnormal [0, 135, 0] after H265 MP4 is decoded into images Open

question Video

NVIDIA/DALI#5632 · 9 comments · 1 assignee · Opened Sep 11, 2024
Add an operator for receiving video metadata Open

enhancement Video

NVIDIA/DALI#5630 · 5 comments · 1 assignee · Opened Sep 10, 2024
Questions regarding design choices Open

question

NVIDIA/DALI#5626 · 1 comment · 1 assignee · Opened Sep 6, 2024
Can we please have more helpful error message ? Open

enhancement

NVIDIA/DALI#5623 · 1 comment · 1 assignee · Opened Sep 6, 2024
Parallel building/running of pipelines Open

enhancement JAX

NVIDIA/DALI#5618 · 2 comments · 1 reaction · 1 assignee · Opened Sep 3, 2024
Add support for AVIF images Open

enhancement

NVIDIA/DALI#5613 · 2 comments · 1 assignee · Opened Aug 28, 2024
How to move depths to the same gpu as decoded_imgs? Open

question

NVIDIA/DALI#5611 · 6 comments · 1 assignee · Opened Aug 25, 2024
How to use a single pipeline function to decode a video file (ex: .mp4) into video AND audio tensors Open

question

NVIDIA/DALI#5597 · 1 comment · 1 assignee · Opened Aug 5, 2024
Asynchronous prefetching Open

enhancement

NVIDIA/DALI#5583 · 8 comments · 1 assignee · Opened Jul 28, 2024
Is it possible to decode lossless jpeg with the format of "num_components == 2 and color space == JCS_UNKNOWN" Open

question

NVIDIA/DALI#5560 · 3 comments · 1 assignee · Opened Jul 12, 2024
Low reading performance of TFRecords via S3 Open

bug

NVIDIA/DALI#5551 · 9 comments · 1 assignee · Opened Jul 5, 2024
How to create a tensor in a custom python function within define_graph Open

question

NVIDIA/DALI#5546 · 4 comments · 1 assignee · Opened Jul 3, 2024
Error when implementing probabilistic augmentations Open

lack_of_repro question

NVIDIA/DALI#5544 · 16 comments · 1 assignee · Opened Jun 30, 2024
Loading specific pre-determined frames from video Open

enhancement Video

NVIDIA/DALI#5540 · 2 comments · 1 assignee · Opened Jun 27, 2024
Dali Loader using a NamedTuple datatype instead of an array Open

question

NVIDIA/DALI#5539 · 5 comments · 1 assignee · Opened Jun 24, 2024
Multiple sharding policy in plugin.jax.data_iterator Open

enhancement JAX question

NVIDIA/DALI#5535 · 3 comments · 1 assignee · Opened Jun 19, 2024
Image Segmentation mask aliasing Open

question

NVIDIA/DALI#5507 · 3 comments · 1 assignee · Opened Jun 7, 2024
Error install nvidia-dali-tf-plugin-cuda110-1.38.0 Open

question

NVIDIA/DALI#5498 · 3 comments · 1 reaction · 1 assignee · Opened Jun 5, 2024
Can AArch64 Numba tests be re-renabled? Open

question

NVIDIA/DALI#5450 · 2 comments · 1 assignee · Opened Apr 30, 2024
webdataset cannot stop cycling at end of epoch Open

enhancement

NVIDIA/DALI#5441 · 20 comments · 1 assignee · Opened Apr 20, 2024
Speed up Dino with DALI Open

question

NVIDIA/DALI#5431 · 3 comments · 1 assignee · Opened Apr 16, 2024
Can DALI be integrated into HuggingFace Trainer? Open

enhancement question

NVIDIA/DALI#5421 · 11 comments · 1 assignee · Opened Apr 10, 2024
16 bit gray scale Image read error Open

question

NVIDIA/DALI#5401 · 1 comment · 1 assignee · Opened Mar 28, 2024
Extract motion vectors Open

question

NVIDIA/DALI#5363 · 7 comments · 1 assignee · Opened Mar 8, 2024
Grab one sample from pipeline for shaping and reset pipeline Open

question

NVIDIA/DALI#5275 · 6 comments · 1 assignee · Opened Jan 10, 2024
Why Decoder consumes 24 CPU cores even if using "mixed" device Open

question

NVIDIA/DALI#5274 · 4 comments · 1 assignee · Opened Jan 9, 2024
Install DALI from source got error "file format not recognized" and "syntax error" Open

question

NVIDIA/DALI#5269 · 3 comments · 1 assignee · Opened Jan 7, 2024
Runtime error using Numpy readers: Unknown Numpy type c8 Open

enhancement

NVIDIA/DALI#5265 · 4 comments · 1 assignee · Opened Jan 4, 2024
Need argmax/argmin operator Open

enhancement

NVIDIA/DALI#5255 · 2 comments · 2 reactions · 1 assignee · Opened Dec 26, 2023

NVIDIA/DALI

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