 We show that the representation is both expressive and performant , allowing domain scientists to develop applications that can be tuned to approach peak hardware performance without modifying the original scientific code.
<meaning-changed>  We show that the representation is both expressive and performant , allowing domain scientists to develop applications that can be tuned to approach peak hardware performance without modifying the original scientific code.
 We show that SDFGs deliver competitive performance , allowing domain scientists to develop applications that can be tuned to approach peak hardware performance without modifying the original scientific code.