Consider to switch to zstd compression
Archlinux uses at all precompiled modules currently on the xz compression. See: https://gitlab.archlinux.org/archlinux/packaging/packages/nvidia-open/-/blob/main/PKGBUILD?ref_type=heads#L66-67
Meanwhile, zstd compression got used nearly everywhere by archlinux (firmware, kernel modules ,...) So, please consider to switch for the precompiled modules as well to zstd compression.