search for: 1440x1080

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2008 Jul 07
2
GSoC - Theora multithread decoder
.... According to the model that i did ( http://lampiao.lsc.ic.unicamp.br/~piga/gsoc_2008/implementation.pdf<http://lampiao.lsc.ic.unicamp.br/%7Epiga/gsoc_2008/implementation.pdf>) the decoding time should be reduced in 33%, but it was just 10% for pthread an 5% for openMP. I used a video with 1440x1080. The pthread implementation has 3 threads and the OpenMP was executed with the environment variable OMP_NUM_THREADS=3. The results are: Real(s) User(s) System(s) Speed up(%) OpenMP 25.2 29.2 1.8 4 PThread 23.8...