Add QAI8 IGEMM kernels
This change introduces three new kernels: * kai_imatmul_clamp_qai8_qai8p2vlx4_qsi8cxpsb2vlx4_2vlx2vl_sme2_mopa * kai_lhs_imatmul_pack_x8p2vlx4_x8p_sme * kai_rhs_imatmul_pack_kxn_qsi8cxp2vlx4sb_qs8cx_f32_i32_sme These kernels are used for _indirect matmul_. The big difference between these kernels and matmul kernels is that the LHS packing kernel takes an indirection buffer where each pointer refers to a chunk in K dimension. The pointers are laid out in a packed manner, where instead of being in row major order, a column of `get_m_step` chunk pointers are placed linearly in indirection buffer. In addition to the kernels themselves, the `matmul_clamp_qai8_qai8p_qsi8cxp_test.cpp` is extended to perform testing of these new kernels. The testing flow for these new kernels is a bit different, in that the packing kernels themselves are not directly tested, instead only end-to-end flow is tested. Signed-off-by:Emil Ohlsson <emil.ohlsson@arm.com> Signed-off-by:
Felix Thomasmathibalan <felixjohnny.thomasmathibalan@arm.com> Signed-off-by:
Mohammed Suhail Munshi <MohammedSuhail.Munshi@arm.com> Reviewed-by:
Viet-Hoa Do <viet-hoa.do@arm.com> Reviewed-by:
Anton Bondarenko <anton.bondarenko@arm.com> Reviewed-by:
Jakub Sujak <jakub.sujak@arm.com> Reviewed-by: