High-Level Synthesis: Productivity, Performance, and Software Constraints

Table 2

Function Call Directives.

Directive	Description
dataflow	Dataflow optimization to overlap computation between multiple function calls (or loop, or regions)—used with ping-pong or FIFO buffers
instantiate	Create a separate implementation of this function call—allow separate optimization of each “instantiated” function call
inline	Inline this function call (do not create separate level of RTL hierarchy)—allow resource sharing and optimization across hierarchy levels