[gccsdk] VFP in GCC 4.6

John Tytgat John.Tytgat at aaug.net
Sat Mar 19 11:43:15 PDT 2011


In message <51b6829baechrisg at care4free.net>
          Chris Gransden <chrisg at care4free.net> wrote:

> In article <51a6b21df4chrisg at care4free.net>,
>    Chris Gransden <chrisg at care4free.net> wrote:
> 
> I've done some benchmarks to give an idea of the speed improvement using
> VFP/NEON on RISC OS.
> 
> Converting a image (640x480 dng) to TIFF using dcraw 9.06.
> 
> gcc 4.6         gcc 4.1.2
> 
> 17.95s          30.15s
> 
> Encoding a wav file (1mins 40s duration) to mp3 using lame 3.98.4
> 
> 1min 12s       4mins 19s
> 
> Rendering teapot.pov using povray 3.6.1 (1024x768 +a0.3)
> 
> 1min 46s        4mins 51s

Very nice figures.  But note that this is not only due to VFP/NEON but
also including 4 years of GCC development.

John.
-- 
John Tytgat, in his comfy chair at home                                 BASS
John.Tytgat at aaug.net                             ARM powered, RISC OS driven




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