Add file descriptor support for weightless model loading #32572
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category: inference
anikulk
reviewed
Oct 27, 2025
anikulk
reviewed
Oct 27, 2025
smirnov-alexey
approved these changes
Oct 28, 2025
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NPUW part looks good |
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build_jenkins |
praasz
requested changes
Oct 29, 2025
| * This is useful for scenarios where file access needs to be controlled externally. | ||
| * @ingroup ov_runtime_cpp_prop_api | ||
| */ | ||
| using FdGetterType = std::function<int(const std::string&)>; |
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We should not add as public property as this some internal NPU handling
praasz
reviewed
Oct 29, 2025
| } | ||
| } | ||
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| void set_from_fd(int fd) { |
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The code should be reuse the path version also opens and created file descriptor.
Changes: - Add ov::FdGetterType and ov::hint::fd_getter property - Extend load_mmap_object() with fd-based overload (Linux only) - Integrate fd_getter through NPUW deserialization flow - Windows implementation throws unsupported exception Signed-off-by: Anoob Anto Kodankandath <[email protected]>
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