# hackathon

**URL:** https://discuss.pytorch.org/c/hackathon/16.md

[Latest](https://discuss.pytorch.org/latest.md) · [Categories](https://discuss.pytorch.org/categories.md)

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## [About the hackathon category](https://discuss.pytorch.org/t/about-the-hackathon-category/51871)

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**Author:** [@smth](https://discuss.pytorch.org/u/smth)\
**Replies:** 0

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Use this category to discuss ideas about the PyTorch Global and local Hackathons. The current ongoing hackathon is the Global SummerHack with a deadline of September 16th, 2019. Read more at https://pytorch.devpost.com…

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## [Pytorch Github org grooming](https://discuss.pytorch.org/t/pytorch-github-org-grooming/197163)

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**Author:** [@bhack](https://discuss.pytorch.org/u/bhack)\
**Replies:** 6\
**Last updated:** [March 5, 2024, 2:11pm UTC](https://discuss.pytorch.org/t/pytorch-github-org-grooming/197163 "2024-03-05T14:11:23Z")

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I see that some very popular GitHub projects have a quite nice grooming program like in the Vscode ecosystem As we have accumulated a lot of old open issues (See the graphs/stats) but also some relatively old PRs (See g…

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## [ValueError: Using a target size (torch.Size(\[491\])) that is different to the input size (torch.Size(\[1, 491\])) is deprecated. Please ensure they have the same size](https://discuss.pytorch.org/t/valueerror-using-a-target-size-torch-size-491-that-is-different-to-the-input-size-torch-size-1-491-is-deprecated-please-ensure-they-have-the-same-size/190345)

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**Author:** [@neelam19051](https://discuss.pytorch.org/u/neelam19051)\
**Replies:** 1\
**Last updated:** [October 20, 2023, 1:18pm UTC](https://discuss.pytorch.org/t/valueerror-using-a-target-size-torch-size-491-that-is-different-to-the-input-size-torch-size-1-491-is-deprecated-please-ensure-they-have-the-same-size/190345 "2023-10-20T13:18:42Z")

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Hi, I have a script that i am trying to run, but it gives the following error - \`\` batch\_size\_16,learning\_rate\_0.001,epoch\_times\_45 selected\_9606\_protein\_scores.csv selected\_9606\_protein\_scores.csv Traceback (most r…

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## [EuroPython Pytorch Sprint 22nd-23rd July 2023 (Prague)](https://discuss.pytorch.org/t/europython-pytorch-sprint-22nd-23rd-july-2023-prague/184264)

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**Author:** [@pgryko](https://discuss.pytorch.org/u/pgryko)\
**Replies:** 0\
**Last updated:** [July 14, 2023, 7:49pm UTC](https://discuss.pytorch.org/t/europython-pytorch-sprint-22nd-23rd-july-2023-prague/184264 "2023-07-14T19:49:30Z")

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Europython is running next week (17th-23rd) July in Prague. As part of the conference we are running a sprint weekend and one of the sprints is on pytorch (EuroPython 2023 Sprints | July 17th-23rd 2023 | Prague, Czech Re…

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## [Register for the PyTorch Hackathon 2021](https://discuss.pytorch.org/t/register-for-the-pytorch-hackathon-2021/131452)

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**Author:** [@suraj.pt](https://discuss.pytorch.org/u/suraj.pt)\
**Replies:** 3\
**Last updated:** [March 18, 2023, 2:52pm UTC](https://discuss.pytorch.org/t/register-for-the-pytorch-hackathon-2021/131452 "2023-03-18T14:52:28Z")

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The PyTorch Hackathon is back! Taking place virtually from Sept 8 - Nov 3. Enter to compete and connect with your worldwide PyTorch community across 3 project categories: PyTorch Dev Tools Web/Mobile Applications PyTor…

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## [Pytorch Facenet MTCNN Image output](https://discuss.pytorch.org/t/pytorch-facenet-mtcnn-image-output/99683)

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**Author:** [@Vishak\_Raj](https://discuss.pytorch.org/u/Vishak_Raj)\
**Replies:** 4\
**Last updated:** [October 19, 2020, 9:22am UTC](https://discuss.pytorch.org/t/pytorch-facenet-mtcnn-image-output/99683 "2020-10-19T09:22:17Z")

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I am doing a face recognition app using facenet pytorch (https://github.com/timesler/facenet-pytorch) in python using two methods. 1st method Code - resnet = InceptionResnetV1(pretrained='vggface2').eval() mtcnn = MTC…

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## [Tips to creating a sequential GAN image generator](https://discuss.pytorch.org/t/tips-to-creating-a-sequential-gan-image-generator/91538)

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**Author:** [@santi22](https://discuss.pytorch.org/u/santi22)\
**Replies:** 0\
**Last updated:** [August 4, 2020, 1:41am UTC](https://discuss.pytorch.org/t/tips-to-creating-a-sequential-gan-image-generator/91538 "2020-08-04T01:41:02Z")

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I would like to train a GANs model that can generate 1 output image from a set of 3 images. Do you have any tips on this? Will the GPU capacity needed to train this be really high? I just requested 1 P optimized in…

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## [Anyone working with a data pipeline of CPU -\> GPU? I am developing a library of methods for faster transfer to GPU. In some cases, 370x faster than used Pytorch's Pinned CPU Tensors](https://discuss.pytorch.org/t/anyone-working-with-a-data-pipeline-of-cpu-gpu-i-am-developing-a-library-of-methods-for-faster-transfer-to-gpu-in-some-cases-370x-faster-than-used-pytorchs-pinned-cpu-tensors/55834)

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**Author:** [@Santosh-Gupta](https://discuss.pytorch.org/u/Santosh-Gupta)\
**Replies:** 2\
**Last updated:** [September 21, 2019, 1:24am UTC](https://discuss.pytorch.org/t/anyone-working-with-a-data-pipeline-of-cpu-gpu-i-am-developing-a-library-of-methods-for-faster-transfer-to-gpu-in-some-cases-370x-faster-than-used-pytorchs-pinned-cpu-tensors/55834 "2019-09-21T01:24:08Z")

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Let me know what your pipeline is and I’ll try to add methods for it. Just show me your code. I am developing methods for fast transfer from CPU and GPU, and currently coding the methods for it. Show me your code (A Col…

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## [Introducing SpeedTorch: 4x speed CPU-\>GPU transfer, 110x GPU-\>CPU transfer](https://discuss.pytorch.org/t/introducing-speedtorch-4x-speed-cpu-gpu-transfer-110x-gpu-cpu-transfer/56147)

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**Author:** [@Santosh-Gupta](https://discuss.pytorch.org/u/Santosh-Gupta)\
**Replies:** 4\
**Last updated:** [September 21, 2019, 1:00am UTC](https://discuss.pytorch.org/t/introducing-speedtorch-4x-speed-cpu-gpu-transfer-110x-gpu-cpu-transfer/56147 "2019-09-21T01:00:35Z")

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This is my submission to the Pytorch Hackathon. It’s a library I made for Pytorch, for fast transfer between pinned CPU tensors and GPU pytorch variables. The inspiration came from …

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## [Any tips in creating libraries/frameworks which are compatible with both pytorch and numpy arrays?](https://discuss.pytorch.org/t/any-tips-in-creating-libraries-frameworks-which-are-compatible-with-both-pytorch-and-numpy-arrays/55483)

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**Author:** [@Santosh-Gupta](https://discuss.pytorch.org/u/Santosh-Gupta)\
**Replies:** 0\
**Last updated:** [September 8, 2019, 11:31pm UTC](https://discuss.pytorch.org/t/any-tips-in-creating-libraries-frameworks-which-are-compatible-with-both-pytorch-and-numpy-arrays/55483 "2019-09-08T23:31:48Z")

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I am creating a pytorch library. I am trying to make it as friendly as possible for inputs in both pytorch tensors and numpy arrays. If there are are there any particular methods and tips that are best for this, I would…

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## [Need teammate for Pytorch Hackathon, creating Sparse Library](https://discuss.pytorch.org/t/need-teammate-for-pytorch-hackathon-creating-sparse-library/53142)

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**Author:** [@Santosh-Gupta](https://discuss.pytorch.org/u/Santosh-Gupta)\
**Replies:** 0\
**Last updated:** [August 12, 2019, 6:33am UTC](https://discuss.pytorch.org/t/need-teammate-for-pytorch-hackathon-creating-sparse-library/53142 "2019-08-12T06:33:19Z")

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I have an idea for a sparse training library for pytorch. A lot of the work will involve speed/performance optimization, particularly parallelizing IO memmap operations so that it doesn’t slow down training. The librar…

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## [PyTorch Global SummerHack 2019 is Open](https://discuss.pytorch.org/t/pytorch-global-summerhack-2019-is-open/53071)

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**Author:** [@smth](https://discuss.pytorch.org/u/smth)\
**Replies:** 0\
**Last updated:** [August 10, 2019, 3:34pm UTC](https://discuss.pytorch.org/t/pytorch-global-summerhack-2019-is-open/53071 "2019-08-10T15:34:04Z")

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The Global PyTorch Summer Hackathon is here! Calling developers and researchers to hack together packages, demos and applications on top of PyTorch and submit online. We’ll help you reach the community, amplify your vi…
