internal/

Package areionasm holds the AVX-512 + VAES (and AVX-2 fallback) assembly implementation of the 4-way batched Areion family for the parent `itb` package.

Package locksoupasm holds the BMI2 PEXT/PDEP assembly implementation of the per-chunk Lock Soup keyed bit-permutation kernels.

Package runtimecfg reads the ITB_GOMEMLIMIT and ITB_GOGC env vars at libitb load time and applies them to the Go runtime via runtime/debug.