[Speex-dev] Blackfin inline assembler and VisualDSP++ toolchain

Jean-Marc Valin jean-marc.valin at usherbrooke.ca
Thu Jun 14 14:19:38 PDT 2007

> I talked to David. He got 22 MIPS _with_ inline asm. I am getting
> around 34 MIPS for exactly the same mode (15kbps, complexity=1,
> vbr=off) without inline asm. Don't know the scores for gcc, so can't
> tell whether ADI compiler is better. It's surely not better than your
> assembler.

Note, David wasn't using the instruction SRAM (only the I1 cache) and I
suspect that this was becoming the bottleneck (I1 cache too small for
both Speex and the OS). If you get everything into SRAM, I'd expect a
significant improvement.


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