Xbox and DirectXbox team slowly since 2023 push all this step by step to the point Helix slide by Jason, which all is coordinated and preps.
Sony otoh Cerny put Complicated slide because they still not preps for PS5/pro vs PS6 gap in silicon feat and how API/SDK preps for that
Co-op vector is the mechanism for multiblock accelerator to work together, on XSX the reason AutoHDR (ML) wont eat RDNA2 because it co-op to compute in Velocity, once this use the efficiency in directstorage and Neural/Bcpack will make sense for engine