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8b3c66063f
E.g., on NEON it is useful to pre-apply q ^ 0x88 to q4_0. This results in a ~3% performance improvement. Hence, * Changed the signature of the repack_X functions to take a bool argument indicating if the repacking is done online and, if so, apply modifications as appropriate while repacking. * Added iqk_modify_tensor to apply modifications to models that have already been repacked while loading the model. Caveat: just like rtr, this needs to have mmap disabled (else one would need to move the data to a not mmap-ed buffer, so much more complicated).