libvolk2-bin 2.5.2-3 (riscv64 binary) in ubuntu lunar

 Vector-Optimized Library of Kernels is designed to help
 applications work with the processor's SIMD instruction sets. These are
 very powerful vector operations that can give signal processing a
 huge boost in performance.
 .
 This package includes: the volk_profile tool to customize settings for
 the system; volk_modtool to create new optimized modules; and
 volk-config-info to show settings.