This patch adds two AVX2 files and adds AVX2 support code into init_stream_internal_() in stream_encoder.c. -------------- next part -------------- A non-text attachment was scrubbed... Name: 05_avx2.zip Type: application/zip Size: 7279 bytes Desc: not available Url : http://lists.xiph.org/pipermail/flac-dev/attachments/20141003/1471b3d6/attachment-0001.zip
lvqcl wrote:> This patch adds two AVX2 files and adds AVX2 support code into > init_stream_internal_() in stream_encoder.c.Ste of 5 patches all applied. Thanks I did run this on my machine with 4 i5-4440 cores wich accoring to /proc/cpu has svx2 support. However I'm not sure if flac was actually using the AVX2 code. Cheers, Erik -- ---------------------------------------------------------------------- Erik de Castro Lopo http://www.mega-nerd.com/
On 5.10.2014 10:22, Erik de Castro Lopo wrote:> lvqcl wrote: > >> This patch adds two AVX2 files and adds AVX2 support code into >> init_stream_internal_() in stream_encoder.c. > Ste of 5 patches all applied. Thanks > > I did run this on my machine with 4 i5-4440 cores wich accoring to /proc/cpu > has svx2 support. However I'm not sure if flac was actually using the AVX2 > code. >I see 18.6% speed boost with my 16-bit multi-genre test set.