# nvfuser

**URL:** https://dev-discuss.pytorch.org/c/compiler/nvfuser/14.md

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## [About the nvfuser category](https://dev-discuss.pytorch.org/t/about-the-nvfuser-category/23)

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

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All topics about https://github.com/pytorch/pytorch/tree/master/torch/csrc/jit/codegen/cuda

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## [Extern declaration of the entity XXX is treated as a static definition](https://dev-discuss.pytorch.org/t/extern-declaration-of-the-entity-xxx-is-treated-as-a-static-definition/3112)

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**Author:** [@Ind1x1](https://dev-discuss.pytorch.org/u/Ind1x1)\
**Replies:** 0\
**Last updated:** [July 10, 2025, 6:25am UTC](https://dev-discuss.pytorch.org/t/extern-declaration-of-the-entity-xxx-is-treated-as-a-static-definition/3112 "2025-07-10T06:25:34Z")

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I attempted to add two global device pointers in aten/native/cuda/CUDALoops.cuh to support a certain functionality. These pointers are defined in another file, myKernel.cu, and declared as extern in myKernel.cuh. Howeve…