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| author | Siarhei Siamashka <siarhei.siamashka@nokia.com> | 2011-03-14 15:28:31 -0300 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.dentz-von@nokia.com> | 2011-03-14 15:28:31 -0300 |
| commit | 68bdf5526eeafa85308dcce6a1a8c33f307b6faf (patch) | |
| tree | ec5f5f083d35040504b93afed5826f0297a95e5f /libpulse-browse.pc.in | |
| parent | 718fe73cab5d2b9d77ffc94b7141e7be44305968 (diff) | |
sbc: ARM NEON optimizations for input permutation in SBC encoder
Using SIMD optimizations for 'sbc_enc_process_input_*' functions provides
a modest, but consistent speedup in all SBC encoding cases.
Benchmarked on ARM Cortex-A8:
== Before: ==
$ 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
== After: ==
$ time ./sbcenc -b53 -s8 -j test.au > /dev/null
real 0m3.989s
user 0m3.602s
sys 0m0.391s
samples % image name symbol name
26057 32.6128 sbcenc sbc_pack_frame
20003 25.0357 sbcenc sbc_analyze_4b_8s_neon
14220 17.7977 sbcenc sbc_calculate_bits
8498 10.6361 no-vmlinux /no-vmlinux
5300 6.6335 sbcenc sbc_calc_scalefactors_j_neon
3235 4.0489 sbcenc sbc_enc_process_input_8s_be_neon
2172 2.7185 sbcenc sbc_encode
Diffstat (limited to 'libpulse-browse.pc.in')
0 files changed, 0 insertions, 0 deletions