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Android DTS benchmark – libavcodec vs libdca
By admin | January 4, 2013
Galaxy Nexus with Android 4.1, ARMv7+NEON, VLC for Android 0.0.9-git (libdca 0.0.5 and libav revision 53c25ee), and OpenSL ES audio output
See previous audio benchmark for method
Summary/Conclusion: On an ARMv7 processor with NEON, libavcodec is faster by about 7% CPU-wise.
| libdca | libavcodec | |
|---|---|---|
| Mean | 18.326% | 11.193% |
| Median | 17.7% | 9.4% |
| Mode | 17.5% | 9% |
DTS benchmark – libdca vs libavcodec
Raw data:
===libdca=== D/VLC (15980): [0x5c6299b4]: main decoder using decoder module "dts" PID PPID USER STAT VSZ %MEM CPU %CPU COMMAND 15980 124 10079 R 527m 75.7 1 26.0 org.videolan.vlc 15980 124 10079 S 531m 76.4 1 21.4 org.videolan.vlc 15980 124 10079 S 531m 76.4 1 17.5 org.videolan.vlc 15980 124 10079 S 531m 76.4 1 17.6 org.videolan.vlc 15980 124 10079 S 531m 76.4 1 17.4 org.videolan.vlc 15980 124 10079 S 531m 76.4 1 18.4 org.videolan.vlc 15980 124 10079 S 531m 76.4 1 17.7 org.videolan.vlc 15980 124 10079 S 531m 76.4 0 17.5 org.videolan.vlc 15980 124 10079 S 531m 76.4 1 17.3 org.videolan.vlc 15980 124 10079 S 531m 76.4 0 17.1 org.videolan.vlc D/VLC (16769): [0x5bf9e44c]: main decoder using decoder module "dts" 16769 124 10079 S 524m 75.3 1 20.8 org.videolan.vlc 16769 124 10079 S 531m 76.4 1 25.0 org.videolan.vlc 16769 124 10079 S 531m 76.4 1 17.2 org.videolan.vlc 16769 124 10079 S 531m 76.4 1 17.6 org.videolan.vlc 16769 124 10079 S 531m 76.4 1 18.0 org.videolan.vlc 16769 124 10079 S 531m 76.4 1 17.7 org.videolan.vlc 16769 124 10079 S 531m 76.4 0 18.2 org.videolan.vlc 16769 124 10079 S 531m 76.4 1 17.8 org.videolan.vlc 16769 124 10079 S 531m 76.4 1 17.9 org.videolan.vlc 16769 124 10079 S 531m 76.4 0 17.5 org.videolan.vlc D/VLC (16840): [0x5c64fc54]: main decoder using decoder module "dts" 16840 124 10079 S 523m 75.3 0 9.3 org.videolan.vlc 16840 124 10079 S 531m 76.4 1 24.1 org.videolan.vlc 16840 124 10079 S 531m 76.4 0 17.9 org.videolan.vlc 16840 124 10079 S 531m 76.4 0 16.8 org.videolan.vlc 16840 124 10079 S 531m 76.4 1 17.7 org.videolan.vlc 16840 124 10079 S 531m 76.4 0 17.5 org.videolan.vlc 16840 124 10079 S 531m 76.4 1 17.8 org.videolan.vlc 16840 124 10079 S 531m 76.4 0 18.2 org.videolan.vlc 16840 124 10079 S 531m 76.4 1 17.7 org.videolan.vlc 16840 124 10079 S 531m 76.4 0 17.2 org.videolan.vlc =====libavcodec===== D/VLC (17167): [0x5c43802c]: main decoder using decoder module "avcodec" PID PPID USER STAT VSZ %MEM CPU %CPU COMMAND 17167 124 10079 S 523m 75.3 0 20.2 org.videolan.vlc 17167 124 10079 S 532m 76.4 0 16.0 org.videolan.vlc 17167 124 10079 S 532m 76.4 0 9.4 org.videolan.vlc 17167 124 10079 S 532m 76.4 1 8.8 org.videolan.vlc 17167 124 10079 S 532m 76.4 0 9.0 org.videolan.vlc 17167 124 10079 S 532m 76.4 1 9.3 org.videolan.vlc 17167 124 10079 S 532m 76.4 0 9.6 org.videolan.vlc 17167 124 10079 S 532m 76.4 1 9.7 org.videolan.vlc 17167 124 10079 S 532m 76.4 1 9.4 org.videolan.vlc 17167 124 10079 S 532m 76.4 0 7.9 org.videolan.vlc D/VLC (17276): [0x5c4add84]: main decoder using decoder module "avcodec" 17276 124 10079 S 522m 75.1 0 20.0 org.videolan.vlc 17276 124 10079 S 530m 76.2 1 14.2 org.videolan.vlc 17276 124 10079 S 530m 76.2 0 8.7 org.videolan.vlc 17276 124 10079 S 530m 76.2 0 9.4 org.videolan.vlc 17276 124 10079 S 530m 76.2 0 9.9 org.videolan.vlc 17276 124 10079 S 530m 76.2 0 9.9 org.videolan.vlc 17276 124 10079 S 530m 76.2 1 9.0 org.videolan.vlc 17276 124 10079 S 530m 76.2 0 9.2 org.videolan.vlc 17276 124 10079 S 530m 76.2 0 9.7 org.videolan.vlc 17276 124 10079 S 530m 76.2 1 9.3 org.videolan.vlc D/VLC (17340): [0x5c657204]: main decoder using decoder module "avcodec" 17340 124 10079 S 522m 75.1 1 27.6 org.videolan.vlc 17340 124 10079 S 530m 76.3 0 14.5 org.videolan.vlc 17340 124 10079 S 530m 76.2 0 9.5 org.videolan.vlc 17340 124 10079 S 530m 76.2 0 9.4 org.videolan.vlc 17340 124 10079 S 530m 76.2 0 9.0 org.videolan.vlc 17340 124 10079 S 530m 76.2 1 9.4 org.videolan.vlc 17340 124 10079 S 530m 76.2 0 9.0 org.videolan.vlc 17340 124 10079 S 530m 76.2 0 10.0 org.videolan.vlc 17340 124 10079 S 530m 76.2 0 9.0 org.videolan.vlc 17340 124 10079 S 530m 76.2 0 9.8 org.videolan.vlc
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