Altera Nios II C2H Compiler Bedienungsanleitung PDF herunterladen (Seite 106)

4–12 9.1 Altera Corporation

Nios II C2H Compiler User Guide November 2009

Performance

Figure 4–4. CPLI Report

The report identifies two assignments containing critical path states. The

data dependency graph for these statements is shown in Figure 4–5. The

graph shows that data does not depend on any other statement in the

loop. However, variables crc, lut_addr and table are involved in a

mutually dependent chain of calculations in the critical path. crc,

lut_addr and table are therefore the critical path variables. The C2H

Compiler displays one critical loop variable (crc) as a way of identifying

the critical path.

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Altera Nios II C2H Compiler Bedienungsanleitung Seite 106