Hi Keith, On Thu, Nov 18, 2010, Keith Mok wrote: > Add iwmmxt optimization for sbc for pxa series cpu. > > Benchmarked on ARM PXA platform: > === Before (4 bands) ==== > $ time ./sbcenc_orig -s 4 long.au > /dev/null > real 0m 2.44s > user 0m 2.39s > sys 0m 0.05s > === After (4 bands) ==== > $ time ./sbcenc -s 4 long.au > /dev/null > real 0m 1.59s > user 0m 1.49s > sys 0m 0.10s > > === Before (8 bands) ==== > $ time ./sbcenc_orig -s 8 long.au > /dev/null > real 0m 4.05s > user 0m 3.98s > sys 0m 0.07s > === After (8 bands) ==== > $ time ./sbcenc -s 8 long.au > /dev/null > real 0m 1.48s > user 0m 1.41s > sys 0m 0.06s > > === Before (a2dp usage) ==== > $ time ./sbcenc_orig -b53 -s8 -j long.au > /dev/null > real 0m 4.51s > user 0m 4.41s > sys 0m 0.10s > === After (a2dp usage) ==== > $ time ./sbcenc -b53 -s8 -j long.au > /dev/null > real 0m 2.05s > user 0m 1.99s > sys 0m 0.06s > > --- > Makefile.am | 1 + > sbc/sbc_primitives.c | 4 + > sbc/sbc_primitives_iwmmxt.c | 304 +++++++++++++++++++++++++++++++++++++++++++ > sbc/sbc_primitives_iwmmxt.h | 42 ++++++ > 4 files changed, 351 insertions(+), 0 deletions(-) > create mode 100644 sbc/sbc_primitives_iwmmxt.c > create mode 100644 sbc/sbc_primitives_iwmmxt.h Pushed upstream. Thanks. Johan -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
