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authorSiarhei Siamashka <siarhei.siamashka@nokia.com>2011-03-14 15:27:30 -0300
committerLuiz Augusto von Dentz <luiz.dentz-von@nokia.com>2011-03-14 15:27:30 -0300
commit718fe73cab5d2b9d77ffc94b7141e7be44305968 (patch)
tree4ca25c54bad4184b160a5cba9a094cc2f84db4de /src/modules/module-match.c
parent177948a6f23cbc58530ae394f791ba9fd764899a (diff)
sbc: ARM NEON optimized joint stereo processing in SBC encoder
Improves SBC encoding performance when joint stereo is used, which is a typical A2DP configuration. Benchmarked on ARM Cortex-A8: == Before: == $ time ./sbcenc -b53 -s8 -j test.au > /dev/null real 0m5.239s user 0m4.805s sys 0m0.430s samples % image name symbol name 26083 25.0856 sbcenc sbc_pack_frame 21548 20.7240 sbcenc sbc_calc_scalefactors_j 19910 19.1486 sbcenc sbc_analyze_4b_8s_neon 14377 13.8272 sbcenc sbc_calculate_bits 9990 9.6080 sbcenc sbc_enc_process_input_8s_be 8667 8.3356 no-vmlinux /no-vmlinux 2263 2.1765 sbcenc sbc_encode 696 0.6694 libc-2.10.1.so memcpy == After: == $ time ./sbcenc -b53 -s8 -j test.au > /dev/null real 0m4.389s user 0m3.969s sys 0m0.422s samples % image name symbol name 26234 29.9625 sbcenc sbc_pack_frame 20057 22.9076 sbcenc sbc_analyze_4b_8s_neon 14306 16.3393 sbcenc sbc_calculate_bits 9866 11.2682 sbcenc sbc_enc_process_input_8s_be 8506 9.7149 no-vmlinux /no-vmlinux 5219 5.9608 sbcenc sbc_calc_scalefactors_j_neon 2280 2.6040 sbcenc sbc_encode 661 0.7549 libc-2.10.1.so memcpy
Diffstat (limited to 'src/modules/module-match.c')
0 files changed, 0 insertions, 0 deletions