A Systematic Hardware Sharing Method for Unified Architecture Design of H.264 Transforms

Table 5

A comparison of the gate count, frequency, latency, and throughput for H.264 transform FOSS architectures.

	Gate count	Freq. (MHz)	Latency	Throughput (pixels/cycle)
1D 8 × 8 forward	2853	313	1	8
1D 8 × 8 inverse	5096	292	1	8
2D 4 × 4 forward	4299	306	1	8
2D 4 × 4 inverse	5821	285	1	8
2D 4 × 4 Hadamard	5437	302	1	8
2D 2 × 2 Hadamard	1032	385	1	4
Total	25438	N/A	N/A	N/A