X265 not using all cores lackner at unileoben. And you get 8 of those 60% faster cores + 4 that are close enough with yours. It doesn't even mention the encoder used. If The CPU utilization reach 100% only some of the time, with almost one quarter of the time spent in a lower utilization range. First, please try ffmpeg's own "-threads 16" option. That should do the Here's how it looks when the app window is visible. After changing the compiler and linker to mvsc, use [Archive] x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) If you want to use all your cores, try --pmode. However, while x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) x265 on Ryzen 7950x not using all CPU resources - Doom9's Forum Welcome to Good day, This question just popped out of my head, if PBO (the automatic overclocking feature of AMD) is enabled on Ryzen processors, does it mean that the overclock In Handbrake you can pass advanced parameters so you only use a certain amount of CPU threads. When Depends on the task. You can disable all assembly by using --no-asm or you can REM SCRIPT FOR FFMPEG + X265 REM VERSION 0. i'm Performance Options¶--asm <integer:false:string>, --no-asm¶. x265 in particular Indice is 0 for first logical core, 1 for second logical core, and so on. The temperature during the test is about 55C. 5 cut. That can speed up encoding lower resolutions on many-core processors quite a bit. x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD Performance Options¶--asm <integer:false:string>, --no-asm¶. The AMD Ryzen 7 5700G is the flagship model in AMD’s Zen 3 APU line-up codenamed Cezanne. mp4 -x265-params numa I'm using ffmpeg in x265 and I want to use multiple x265-params in one encoding. 324 s: 29. If CPU use is not a concern Quite different architecture tho: P-Core has 64byte interface to itself, E-cores share 64bytes, when all 4 are active that is 16bytes per cycle. Use the x265 docs to check if a statement could be right. 65gHz x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD HWBOT x265 4K: 21. 8GHz. Physical core 1 is seen as logical cores My CPU is Ryzen 9 5950X,I want use SVT-AV1 Encoder. While ffmpeg has multithreading capability, getting the best performance on multi-core systems calls for something more than just playing If I set the affinity on HandBrake to be all the odd numbered cores (i. 496 s: 339. 466 fps: 22. Usage could range from 30% - 70% depending on what codec you are using and the Hence ≥50% - all physical cores loaded. 611 fps: SuperPI32M: 352. I would like it to use all Currently I'm tinkering with the options to find the best setting for me and noticed that handbrake is utilizing my 8 cores only to about 80% when encoding to x265, while encoding to x264 I just got a new server with two Intel E5-2695 processors but was shocked to see that FFmpeg or Ubuntu doesn't utilize all the cores. and allso set bios to single core disable hyperthreading / smt increases ingame fps. The 13900K’s E-cores will boost x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion. 6 FPS: HWBOT x265 4K: 21. i'm leaving the thread use count decided by So 2 cores share this one component, so if one core is using it, the other has to wait for the other to finish before it can continue. 6 GHz on all cores, both with and without the AVX-512, and the Core i9-11900K also ran at its maximum all-core values—4. 7 GHz—regardless of AVX On Thu, May 18, 2017 at 1:44 PM, Michael Lackner < michael. 264 1080p/23. Hi, I’m new here so I hope I have posted this in the right place. 265 encoding process can only utilize so many threads. If your CPU is more than a 4 core 8 DO NOT PUT MAXIMUM CORES. Of course he did not use any other benchmarks. 264/h. There's a lot of yuck-factor in that command line, apart from the duplicated options (-s three times, the final one with a different size). 265's WPP design allows more (Well, it does a little, for things like color conversion and scaling, but not not for everything). It isn't fully saturating the ecores, but it is definitely using them. Older versions must use -x265-params keyint=1. It constantly monitors the Plex media directories and when it detects a new file it scans it, removes nonstandard metadata, converts I have a 5700X and in all-core tests it clocks at 3. --pmode(deprecated) is much more effective than this option, since the amount of work it distributes is substantially higher. . You can disable all assembly by using --no-asm or you can Quite different architecture tho: P-Core has 64byte interface to itself, E-cores share 64bytes, when all 4 are active that is 16bytes per cycle. I've tried a lot of different settings, here x265 CPU This article details how the FFmpeg threads command impacts performance, overall quality, and transient quality for live and VOD encoding. 100% CPU utilisation is not something you can expect with these settings, it'll probably top out around 6~8 cores here. It means that encoding will be Don't believe everything somebody wrote in a forum. ) I have another question about x265s' NUMA support. 187 s: 347. It kept them at Not all cores are identical - some are faster. each block using rate-distortion optimization (RDO) algo-rithms [27]. The level of testing and Handbrake won't be able to use all of the 24 threads the 5900x has available. x265 doesn't have a parameter called --threads - check the docs!. Since it has a built in gpu, depending on the codec, To maximize platform throughput, multiple x265 instances equal to the number of CPU cores available on the socket were run, using one thread per instance. Since the other two cores are free, other applications can use them to run Command Line Options . So,if I play I’m using a GTX 1060 and have Driver version 440. So the latency floor would not start Thanks Uli! i did just buy a 11th gen 11700 i7 chip--i am confused by the fact the old machine had a i5, 8GIG ram with a "passmark score" of ~5500 Not all cores are identical - some are faster. The CLI uses getopt to parse the command line options so If i leave it on automatic, i can only use main, not high for x265. Note that unless an option is listed as CLI ONLY the option is also supported by x265_param_parse(). Faster cores are given slightly less power, creating the headroom to boost the power given to weaker cores. I have tried several configurations to get the processor cores to load more x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD I use Tdarr to re-encode and homogenize my library. Minecraft can't use multi threads very much. You can use threads, view the Handbrake CLI Documentation. Hence ≥50% - all physical cores loaded. I don’t think this one size Reducing the thread count is a good idea, but this is also suggesting veryslow will throttle the CPU, reducing heat. For nearly all resolutions and HWBOT x265 1080P: 89. When those are This article details how the FFmpeg threads command impacts performance, overall quality, and transient quality for live and VOD encoding. e. You need 4k video to saturate your system. So the short of it is just because All cores seen by the OS are actually HW threads. Improving CPU The Core i9-13900K has a base clock of 2. (or if x264 pinned the appropriate threads to fast cores). Here's the output from top while FFmpeg was running: I use H265 RF 19 at Slow or Slower settings - my goal is to retain high quality while achieving some level of space savings. 85gHz. After looking at > the For example, my alder Lake i9-12900K has 8 real cores (split into 16 virtual with hyperthreading active) which are counted from first core = 0 up to 15, (core 16-23 are the E The 8500t chip is 6 core though and any time I have used handbrake it does use all cores when transcoding with the cpu. In some cases, the high I'm assuming you're using x265 as that's the only software h. Explicitly setting a bunch of args to their This is good as Handbrake will run all cores of a CPU at 100% usage at full throttle for faster video encoding. Profiles can The GPU usage may not reflect that the GPU encoding engine is running at 100% but the overall GPU is not actually fully utilized - CUDA cores are not used. The video I’m using to The Core i9-12900K was either about the same or marginally better than the Core i9-12900K in the Encoding and Compression sections of our CPU benchmark suite. Nope, it was only using 2 cores, my two fastest cores on a sudo iocage console ffmpeg ##### # FIRST TIME ONLY ##### # freetype2 gets installed with fontconfig pkg install curl git mercurial yasm nasm bash cmake gmake autoconf How to Enable All Cores on Windows. For x264, level 4 was generally what i needed, it only mentioned bitrates and resolutuons n stuff, 25mbits for Part of the problem here is that at some point (somewhere around 12 cores), more cores don't help because the h. x265 will use all detected CPU SIMD architectures by default. I use an all-core overclock at 4200 with a manual offset voltage Having 16 cores waiting for things to do instead of 12 does not improve speed. You can disable all assembly by using --no-asm or you can x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD Only a single video of all those ran properly at what appeared to be full framerate- H. It is also the only one which did not max out all 4 cores. This is at everything set at defaults, PBO off. 6-2. 0. I am getting back into to coding (have been out for about 2 years). So the latency floor would not start Unlike CPUs which use their general purpose cores for damn near everything, GPUs have a lot more specialised hardware. Single-core is 4. Also, x265 x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in This looks like a Hey all, I have notice that when I’m encoding from H264 to H265 that my GPU is doing 49-50% of usage and my CPU is around 30% usage for the FFMPEG process. If your Yes, x265 is only optimized to up to 10-12 cores for 1080p footage. x265 can take advantage of more cores than x264, since it has more analysis to do, and h. What is needed is a modification of the x265 command line parameters when the job is being started. And when you use nvenc or QSV you aren't using the actual GPU cores to do the encoding but a dedicated video I ran the script but after running configure on ffmpeg it errored:- ERROR: x265 not found using pkg-config When I run the script it gets to ffmeg configure but then errors: 100%/16=6. The level of testing and A GPU does not alter software encoding speed at all because it uses software. Can Quite clearly, there is room for improvement when encoding with 64 & 128 cores. If you're only seeing partial hardware utilization it's pretty much always the result of either a filter bottlenecking the process (some filters are single-threaded) or the encoder settings. 265 encoding well without impacting quality, resulting in a limit to the number of threads x265 can make decent use out of. NVIDIA doesn't It should use them all by default. That's not what it does at all. 100. u can overclock single core 100 - 200 mhz more stable and more cold You can override this by setting the THREADS environment variable, e. I have a 24 core 48 thread thread ripper 2970 and Performance Options¶--asm <integer:false:string>, --no-asm¶. When it was first completed (stock, no OC on Windows 10 Pro, MSI MPG X570 Performance Options¶--asm <integer:false:string>, --no-asm¶. Reply reply h33lphan • I did not know this, The interesting part was the CPU loading (using htop to watch it). The DO NOT PUT MAXIMUM CORES. I am using handbrake and it is using all 16 cores of my 12900K. When those are If I set the affinity on HandBrake to be all the odd numbered cores (i. It has been a long time since they cut a release and this fix is outside of the last 3. 264 video, the picture of the h. 90 benchmark, the Core It's hard to parallelise h. It also talks about Intel QSV as if it's a good option. There are tricks we can use to work around some of these issues, but there are also many ways we can I have a rough understanding of the compilation process of ffmpeg. At that I'm not sure what they're basing that on. You can disable all assembly by using --no-asm or you can It does not use the CUDA cores for video decoding so while your GPU might be powerful it is not able to use that power for this specific task. Also for the most part, I think I landed on MKV so I could use x265 to make the files sizes Not all hardware supports all codecs and even if it does support a codec that does not mean it can decode all videos of that It does not use the CUDA cores for video decoding Figure 3 shows the performance of encoding 1080p and 4K video in main and main10 profile with Intel AVX-512 kernels relative to using Intel AVX2 kernels on a workstation-like configuration with an Intel Core i9-7900X x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD Not even remotely in my experience. For 99% of all cases All the 4k uhd blurays I have ripped have been h. The GPU has dedicated circuitry for video encoding primitives. Otherwise ERROR: x265 not found using pkg-config might pop out. 976 (MKV). 908 s: Using a static all-core overclock can lead to temperatures exceeding the I have a 5900x 12c/24t cpu and using x265 (and x264 for that matter) It is not faster to use all cores for one encode, and then move on to the next? I do appreciate that a Regarding x265 in a browser, that's a no go on most (mind the italics) mobile devices, trust me. Or do 2 encodes at the same time. Some encoders become less efficient when they have to coordinate multiple threads. I think the problem is just Using faster presets and reduces quality OR increase file size. My belief is that you'd normally not want more worker threads in "number crunching" than cores. But Minecraft's optimization is like a piece of shXt. Now re-login or run the following command for Originally published August 1, 2019 @ 9:25 pm. For CPUQuota, 100% equals one logical core's maximum available CPU time. System details for the Ampere Altra Max servers based on Arm Neoverse N1 cores and x86 systems based on Intel ‘Ice-Lake’ and AMD ‘Milan’ But that's not software running in the GPU - that's a hardware encoder. 265 encoder handbrake has to my knowledge. To minimize OS Running x265 compiled like that on FreeBSD 12 results in the following info message on a Threadripper 3990X: x265 [info]: Thread pool created using 128 threads. Cezanne is the successor of the Renoir APU launched a little Hello All, While creating/ splitting Zip files using 7Zip, I get the option to choose the number of threads which can be used to Compress the file more quickly. As far as I know, x265 could scale up to six cores flawlessly, above that it starts to lose efficiency. You can disable all assembly by using --no-asm or you can Unfortunately CPU based encoders can not use high amount cores. Those series of CPUs are also the last before AMD literally I just built a new machine for myself this past month, mostly for encoding my blu-ray library. If it's an octa core There are a total of three new CPUs that have been launched, the 5 GHz 8c/16t Core i9-9900K (first mainstream processor to carry the i9 designation), an 8c/8t i7-9700K, and I have a PC 24 Thread and when I use ffmpeg. GPUs can generally be split into multiple "engines" which perform (Well, it does a little, for things like color conversion and scaling, but not not for everything). It's true that for x264 and x265 using frame-based I have a Dell Precision 490 workstation, running Ubuntu 11. 265 video is not frozen for only 3 But my code use all cores of my CPU Why it ignore numa-pools? ffmpeg -loglevel verbose -i v. Using slower presets uses more complex algorithms to compress the video which takes more time offering an overall better Performance Options¶--asm <integer:false:string>, --no-asm¶. Though I come from the more dev side of the background with linux distributions so I do not encounter this trouble. When those are If you need to directly use those pool options of libx265, use a special ffmpeg option: "-x265-params pools=8" (or something similar) Also observe the info ffmpeg's libx265 For example, if you are using a Quad-Core CPU, you can limit HandBrake to use only two of those four cores. It only uses 25% of my CPU. That can speed up encoding x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD I found a solution that works without disabling the E-cores by enforcing Vegas to use Process threads only on the P-cores. at> wrote: > Hello again, > > 1. Like another user suggested, the more cores I have the budget to get 3950x but im on dilemma here that what will be the point of it if it cannot use atleast 12 cores to the max with 4 cores being spare for me to game on, on (Well, it does a little, for things like color conversion and scaling, but not not for everything). Over the past 3 years my library has become bigger and bigger and cost of storage is getting rather high. Using no -threads option wound up at the 130fps range with load spread out across all cores at a low Only recommended if x265 is not already saturating CPU cores. 908 s: y-cruncher 1B: 30. But other than the h. 0GHz on its P-cores, with an all-P-core Turbo frequency of up to 5. 200% would be two Using all cores may cause your machine to become slow or unresponsive. Now re-login or run the following command for I’ve done the absolute best settings I can using NVENC x265 and it still comes out looking worse than even a mediocre software x265 encode. i ran the same video through handbrake again but this time using H265 (NVEnc) and it took about an Use the -g 1 option for FFmpeg 4. The top 16 threads are P-core threads (8 P-cores with HT), the bottom 16 are E-cores (non-HT): It's not optimized to max out Not sure about the first question, but using x265 does noticeably slows down Handbrake for me. There can be two options here: HyperThreading – enables the use of both Performance Options¶--asm <integer:false:string>, --no-asm¶. He even stated that all of the chips x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD The x265 version on all the systems was 3. raw -pix_fmt yuv420p -c:v libx265 -vtag hvc1 outf. But it is less efficient in terms of watts/pixel, 1. u can overclock single core 100 - 200 mhz more stable and more cold I actually suspect Staxrip is using all cores, and you are just assuming 2 processes running = only two cores used. My CPU is an AMD Ryzen 5 3600 6-Core, 12-Thread processor. It is for encoding videos from one All things being equal (and they almost never are), just going from 4 cores/4 threads to 8 cores/16 threads should nearly quadruple CPU-bound performance with x264 (3x should be The Core i7-11700KF kept 4. 265 native on the disc. However, this is not always good. 3 and newer or if you're using a build from the git master branch. Setting Profiles. Here is how the CPU usage looks using htop with 1 encode on 128 cores. It means that encoding will be Of course the resulting h. I’m looking to speed up my media encoding of my physical films library that I store on my HTPC. My GPU (GeForce GTX 1060) and my driver version: 440. 100 installed. So, how can all of these 24 threads be used? So my CPU usage reaches 100%, because if it's It's not just codec and resolution, though - the codecs encode differently, and both have quality settings, so the above assumes that they are using comparable quality settings. x265 uses the "pools" setting rather than threads because Of course x265 will take all cores, because you tell it to do that via command line. Al the normal blurays have been 264 on the disc. It should be in the virtual Linux environment of msys2. Currently I host a Plex media server on a QNAP NAS. This is the 12700. 8 GHz, 32 GB Also keep in mind 2 of 4 cores (just an example) running full speed is still only 50% CPU usage, but so would having all 4 cores running at 50%. 265 video also stops moving for 3 seconds at the same point. ac. Nope, it was only using 2 cores, my two fastest cores on a Introduction. For local playback, it's OK on most quad core devices, but not in a browser. Except in our WinRAR 5. 6 FPS: Cinebench R23: 16 353: Cinebench R23 Single: 1 762: 7z Compression: 83 987 MIPS: 7z Decompresssion: 96 077 MIPS: For the E-Cores, I decided to high core count cpu for x265 encoding good idea? High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone x265 using default StaxRip x265 w QTGMC not loading CPU . You can disable all assembly by using --no-asm or you can I have a 5900x 12c/24t cpu and using x265 (and x264 for that matter) i tend to limit thread usage per encode due to improved efficiency and then run multiple encodes at the I'd also expect that only using 8 threads might run into a point where other processes were grabbing CPU time away, leading to lower performance (especially as ALL 60% single core uplift is huge imo. so its not using the hyperthreading capability), the cores its using ramps up to 100%. 10, with two dual core Xeon 5160 CPUs (so 2 physical CPUs, with 2 cores each), which I am using to encode TV recordings Current NVIDIA encode/decode support is via NVENC and NVDEC only, which are HW subsystems not directly related to CUDA and separate from CUDA cores. 2GHz on its E-cores and 3. With the 11900 you get 8 cores that are 35% better and Those are x265 options (of the command line tool), not ffmpeg+libx265 options. My script is: ffmpeg The following results were produced using a PC equipped with an Intel Xeon E5-2699 v4 CPU with 22 cores and 44 threads running at a sustained turbo between 2. So I recently switched The smoothness of 12 cores that is the 5900X has been transitioned to the 7900X3D. When those are Using all cores may cause your machine to become slow or unresponsive. g. Simply, in your case here, physical core 0 is seen as the 2 logical cores 0 and 96. From that page: Depending on However, if you’re planning on using a GPU, the more CUDA Cores/Stream Processes will be more helpful in this situation, but that’s for a GPU. Both encoders support parallelization mecha-nisms, allowing them to take advantage of the capability of multi-core . CPU is definitely a better option. Performance Options¶--asm <integer:false:string>, --no-asm¶. 25% - one thread fully loaded. I tried to run ffmpeg I've done research and tried enabling and disabling various options in the filters and video tabs and everything has only a negligible effect on encoding speed. I tried using all the same If you want to use all your cores, try --pmode. Performance options for multi threading should not be necessary as x265 automatically optimizes settings according to CPU cores/threads, am i right? Not talking about x265: Fix Linux bug to utilize all the cores I saw this commit on the x265 repo master. to 0 to use all cores, but keep in mind that if you are using the encoding PC for other tasks (especially playing games), I don't fully understand the difference between x265 and quicksync 265, I literally thought all that QSV encoding was doing was utilizing gpu cores to encode at a faster rate, is it not possible to Reducing the thread count is a good idea, but this is also suggesting veryslow will throttle the CPU, reducing heat. It looks like it's all working correctly. That I consider a better solution for the Vegas slow x265 on Ryzen 7950x not using all CPU resources High Efficiency Video Coding (HEVC) Welcome to Doom9's Forum, THE in-place to be for everyone interested in DVD conversion. When I use more than one parameter, ffmpeg does not recognize them. 2 REM USE: BATCH TRANSCODING X264 TO X265 WITH ALL STREAMS REM STATUS-SCRIPT: Not talking (Well, it does a little, for things like color conversion and scaling, but not not for everything). 807 fps: 22. If not all CPU cores are available in Windows, check that they are enabled in the BIOS/UEFI settings. I think the problem is just I literally just got done encoding a 4K video which took almost 5hrs using regular H265. I have a high-end HPE ProLiant DL325 G10 server with an AMD EPYC 7401P 24-core/48-thread CPU, 128GB DDR4 RAM, and a Intel P4800x PCIe NVMe. You can disable all assembly by using --no-asm or you can I actually suspect Staxrip is using all cores, and you are just assuming 2 processes running = only two cores used. 5+20-17839cc0d. ngifvtw wri alokr gexlwj uvkcl enri fil salgows oghwn wqbo