Instruction scheduling heuristic for an efficient FFT in VLIW processors with balanced resource usage

EURASIP Journal on Advances in Signal Processing

Table 3 Twiddle factor (TF) storage/reference comparison

Implementation	FFT size	Number of stored TF	Number of memory references due to TF
New FFT	512	1	1
TI FFT	512	512	511
FFT of [21] in C64x	512	254	127
New FFT	1k	1	1
TI FFT	1k	1024	1023
FFT of [21] in C64x	1k	510	255