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.. meta::
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:description: cuFile compatibility
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:keywords: hipFile, ROCm, NVIDIA, cuFile, compatibility, hipify
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*****************************
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hipFile cuFile compatibility
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*****************************
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hipFile supports NVIDIA platforms by delegating I/O operations to the cuFile library. There are some differences between hipFile and cuFile that should be taken into account prior to using hipFile on NVIDIA platforms.
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Numeric error codes might differ between cuFile and hipFile, and they might also differ across hipFile releases. Avoid using numeric error codes in your code. See :doc:`/reference/api-errors` for more information about hipFile error codes.
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The side effects of ``hipFileDriverOpen()``, ``hipFileDriverClose()``, and the use count reported by ``hipFileUseCount()`` might not match cuFile's behavior. See :doc:`/reference/api-driver` for more information about hipFile's driver lifecycle API.
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hipFile uses a platform-independent ``hoff_t`` type in place of ``off_t``. On POSIX systems ``hoff_t`` is defined as ``off_t``. On Windows it is defined as ``__int64``.
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There is no hipFile counterpart to cuFile's ``cuFileDriverClose_v2`` alias. Both ``cuFileDriverClose`` and ``cuFileDriverClose_v2`` map to ``hipFileDriverClose()``.
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There is no hipFile counterpart to cuFile's ``sockaddr_t`` typedef. Use ``struct sockaddr`` or add a custom implementation of the typedef.
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`HIPIFY <https://rocm.docs.amd.com/projects/HIPIFY/en/latest/index.html>`_ provides information about converting CUDA code to ROCm code. A `cuFile-to-hipFile API map <https://rocm.docs.amd.com/projects/HIPIFY/en/latest/reference/tables/cuFile_API_supported_by_HIP.md>`_ is available.
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