On Fri, Feb 15, 2019 at 04:54:23PM -0500, Shaofei Wang wrote: > It enabled multiple filter graph concurrency, which bring above about > 4%~20% improvement in some 1:N scenarios by CPU or GPU acceleration > > Below are some test cases and comparison as reference. > (Hardware platform: Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz) > (Software: Intel iHD driver - 16.9.00100, CentOS 7)
breaks fate make -j12 fate-filter-overlay-dvdsub-2397 V=2 frame= 208 fps=0.0 q=-0.0 Lsize= 48kB time=00:00:08.04 bitrate= 49.0kbits/s speed=10.6x video:105300kB audio:1254kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: unknown pthread_join failed with error: No such process Aborted (core dumped) make: *** [fate-filter-overlay-dvdsub-2397] Error 134 [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Asymptotically faster algorithms should always be preferred if you have asymptotical amounts of data
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