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OK, back from being at a meeting,and tracked down a unaligned
access hardfault... golly kiss-fft chews up some ram eh....tsk tsk. and OK now this is totally untouched code apart from removing all the mallocs and there is alot of room for speedup... Cortex M7, @ 168 MHz code in flash, data in ram, no data or program in the TCM (yet) I and D cache ON, PRF, ART. doubles >> floats. 6 ws. Codec2-3200 (ie 2 x 10mS frames in a pass) encoding white noise. -O0, all debug turned on, loaded to the hilt. (debug build) encode - 2272197 cycles (13.5mS) (for 20mS frame) decode - 2049415 cycles (12.2 mS) try -O1 hmm crash. hardfault. time to go to bed. mem_fir in NLP writing over everything , probably due to corrupted access indices Will get back to this Friday Time to look at some of the build scripts to see what options are set up for the compiler/linker glen On 14/09/2016 4:42 PM, Brady O'Brien
wrote:
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