Displaying 1 result from an estimated 1 matches for "bf536".
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bf537
2009 Jun 14
1
Resampler saturation, blackfin performance
...ference on x86. But I think gcc/msvc can unroll.
Up to you. Anyway I can OVERRIDE_INNER_PRODUCT_SINGLE.
Talking about performance (still using generic version with VDSP compiler):
1. I got a pretty good boost by using a scratch buffer in SRAM.
2. Wideband Encode+Decode takes 79.1 + 7.2 MIPS on my BF536 400/133 Mhz
3. Profiler says:
vq_nbest 33.05%
vq_nbest_sign 11.12%
filter_mem16 4.14%
inner_prod 4.07%
iir_mem16 2.75%
qmf_synth 2.32%
lsp_to_lpc 2.32%
open_loop_nbest_pitch 1.41%
compu...