[NFC][SYCL] Refactor code around device_image_impl::KernelIDs
#19516
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| "State mismatch between main image and its dependency"); | ||
| DeviceImageImplPtr DepImpl = | ||
| device_image_impl::create(DepImage, Ctx, Devs, DepState, DepKernelIDs, | ||
| device_image_impl::create(DepImage, Ctx, Devs, DepState, std::move(DepKernelIDs), |
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An alternative to part of this change would be to initialize DepKernelIDs if it's nullptr here and add an assert in device_image_impl::create to make sure that device_image_impl::KernelIDs is always non-null. @steffenlarsen, what approach would you like better?
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* Clarify the reason for `std::shared_ptr` (performance) * Clarify that `get_kernel_ids` is preferred over `get_kernel_ids_ptr` and update some of the existing uses of the latter to use the former * Change `get_kernel_ids` to return `iterator_range` instead of the reference to the underlying container. That way we can also return an empty range when `shared_ptr` isn't initialized, which was possible before but many ctors led to believe that is guaranteed to never happen. * Change those ctors to keep empty `shared_ptr` instead of creating empty `vector`s
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Arc: Reported in #19305 |
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std::shared_ptr(performance,see Improve get_kernel_bundle performance #5496)
get_kernel_idsis preferred overget_kernel_ids_ptrandupdate some of the existing uses of the latter to use the former
get_kernel_idsto returniterator_rangeinstead of thereference to the underlying container. That way we can also return an
empty range when
shared_ptrisn't initialized, which was possiblebefore but many ctors led to believe that is guaranteed to never happen.
shared_ptrinstead of creatingempty
vectors