Add Vala implementation of matmul  (#309)
Add Vala implementation of matmul  (#309)

* Base64 benchmark for Vala

* Base64 benchmark for Vala

* Add Vala implementation of matmul
kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks,kostya/benchmarks