ggml : process data in smaller chunks in CUDA ggml_top_k() and ggml_argsort() to reduce temporary buffers memory usage (#24776)

• ggml : process data in smaller chunks in CUDA ggml_top_k() implementation to reduce temporary buffers memory usage

• ggml : allocate tmp_dst only only once before the loop

• chore : whitespaces

Co-authored-by: Georgi Gerganov [email protected]

• ggml : use chunked processing in both CUDA CUB top-k and argsort implementations

• chore : separate argsort_f32_i32_cuda_bitonic() call from return statement

Co-authored-by: Johannes Gäßler [email protected]

• chore : replace ternary operators with min/max

Co-authored-by: Stanisław Szymczyk [email protected] Co-authored-by: Georgi Gerganov [email protected] Co-authored-by: Johannes Gäßler [email protected]