X264 Avx Support

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x264 + avx support?!? - Doom9's Forum

    http://forum.doom9.org/showthread.php?t=159300
    Feb 03, 2011 · x264 + avx support?!? MPEG-4 AVC / H.264. 2) looking through the intel developer forums, the claim was made that you guys were approached with the prospect of modifying x264 to make use of quick sync but that the sticking point was your (plural) demand/expectation that you have full control over the encoding process (basically you guys wanted access to the low level api). why is that?

How important is AVX / AVX-512? : hardware

    https://www.reddit.com/r/hardware/comments/6t9ssf/how_important_is_avx_avx512/
    How important is AVX / AVX-512? Discussion. The CPU I am planning to get (Intel G4600) won't have AVX support. I wonder if this is anything I should care about? 33 comments. ... It's a pretty big performance boost for video encoding (both x264 and x265 support …

x86: AVX-512 support · mirror/x264@472ce36 · GitHub

    https://github.com/mirror/x264/commit/472ce3648aea3ddc16b7716eb114f4bcdb8fea8f
    AVX-512 consists of a plethora of different extensions, but in order to keep things a bit more manageable we group together the following extensions under a single baseline cpu flag which should cover SKL-X and future CPUs: * AVX-512 Foundation (F) * AVX-512 Conflict Detection Instructions (CD) * AVX-512 Byte and Word Instructions (BW) * AVX-512 Doubleword and Quadword Instructions (DQ) * AVX ...

What common desktop applications are using AVX and AVX2 ...

    https://forums.anandtech.com/threads/what-common-desktop-applications-are-using-avx-and-avx2.2498660/
    Mar 19, 2017 · AVX is used in the zscale filter I think, and there is probably more usage, but not really in video decoders/encoders, since AVX is for floating point. x265 uses AVX2 for substantial speedups, x264 has also some code, but not as much, so it helps less.

Accelerate UHD Encoding on Demand with x265 HEVC …

    https://builders.intel.com/docs/networkbuilders/accelerate-UHD-encoding-with-intel-xeon-scalable-processors.pdf
    Accelerate UHD Encoding on Demand with x265 HEVC Encoder ... and x264 for H.264 encoding, with full support for the full range of both sets of specifications. For adaptive-bitrate streaming, parallel ... support for Intel AVX-512 instructions, which are expected

x264 will not be using the new 256 bit avx instruction set ...

    https://forum.videohelp.com/threads/327955-x264-will-not-be-using-the-new-256-bit-avx-instruction-set
    Nov 08, 2010 · x264 will not be using the new 256 bit avx instruction set + Reply to Thread. Results 1 to 7 of 7 x264 will not be using the new 256 bit avx instruction set. Thread Tools. ... anyway, a poster over at doom10 asked if x264 will support the new avx instruction set, here is what he said:

Rendering, Encoding, And Compression - AMD Ryzen 7 2700X ...

    https://www.tomshardware.com/reviews/amd-ryzen-7-2700x-review,5571-10.html
    Apr 19, 2018 · This is because the older OpenCL SDK doesn't support AVX-512. ... our HandBrake x265 test compared to the x264 benchmark due to its heavier distribution of AVX …4.5/5

Advanced Vector Extensions - Wikipedia

    https://en.wikipedia.org/wiki/Advanced_Vector_Extensions
    Advanced Vector Extensions (AVX, also known as Sandy Bridge New Extensions) are extensions to the x86 instruction set architecture for microprocessors from Intel and AMD proposed by Intel in March 2008 and first supported by Intel with the Sandy Bridge processor shipping in Q1 2011 and later on by AMD with the Bulldozer processor shipping in Q3 2011. AVX provides new features, new instructions ...

Blog

    http://www.x265.org/blog/
    In this blog we will discuss this modification in detail. The all new ‘veryslow’ Preset. The “veryslow” preset is one of the most preferred presets by the offline encoding vendors, where the video quality is paramount. Hence, the quality of encoded bitstream is the key feature for …



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