HIP RT 2.1 brings batch construction for small geometries, transformation query functions, an optimized radix sort in Orochi, various ray-tracing performance optimizations, an option to enable/disable caching of compiled trace kernels, and more.
More details on the HIP Ray-Tracing 2.1 release can be found via GPUOpen.com . Or head direct to the project page . The HIP RT library continues to be offered under AMD's HIP RT SDK license agreement.