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acts-project / vecmem

Vectorised data model base and helper classes.
https://acts-project.github.io/vecmem/
Mozilla Public License 2.0
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Add the SoA Container Class, main branch (2023.12.11.) #256

Closed krasznaa closed 9 months ago

krasznaa commented 9 months ago

In the final, 6th step of the #246 saga.

Introduced vecmem::edm::container, which is meant to be the primary UI for the users for managing an SoA EDM.

Introduced vecmem::testing::simple_soa_container and vecmem::testing::jagged_soa_container to demonstrate how one is meant to define SoA containers in the end.

With the help of the new types, re-wrote the SoA copy tests, and implemented them for CUDA, HIP and SYCL copies as well. To make the tests work, added some default functions to vecmem::edm::buffer, and some additional "schema traits" for some general quality-of-life improvements.

It's a draft for now, as I still need to add actual device code tests as well. But not today anymore...

krasznaa commented 9 months ago

This PR is mostly testing code in the end. The new code is really just vecmem::edm::container. So if you have a look, it's in the end enough to just look at that. And how the "user interface" is put on top of vecmem::edm::host and vecmem::edm::device in it. :thinking: