AMD et HandBrake résoudre a BUG when using multiple cores and bring up 215% performance increase over Threadripper
Estimated reading time: 4 minutes
Points clés à retenir de xiaomi-miui.gr
- AMD has partnered with HandBrake to improve thread management on Threadripper processors.
- The new version 1.11.0 of HandBrake fixes performance issues, increasing video conversion speed by up to 215%.
- Tests reveal a significant increase in performance, with the Threadripper 7980X achieving up to +215%.
- New optimizations enable better resource utilization, reducing conversion times and increasing the productivity of content creators.
In brief
I- AMD collaborated with the popular HandBrake, outil de conversion vidéo open source to resolve a major thread management issue (planification des threads), which significantly limited the performance of high-core Threadripper processors. This fix significantly improves video conversion performance. reaching up to 215%.
Le problem affect Threadripper
Processors Threadripper d’AMD Although some devices can have up to 64 or even 96 cores, a paradoxical phenomenon has long been observed in HandBrake: in certain scenarios, especially at lower resolutions such as 720p, performance not only does not increase, but can even decrease.
After an investigation carried out by AMD engineers, two main causes were identified:
- HandBrake could not effectively handle systems with more than 64 logical processors, leaving significant computing power untapped.
- Some tasks were too fragmented, forcing the processor to spend a lot of its time coordinating and scheduling tasks instead of actual video encoding.
According to AMD data, the combination of these issues could result in a performance loss of up to 60%.
The solution comes with HandBrake 1.11.0
This hotfix was included in HandBrake 1.11.0 and aims to improve thread management and task scheduling strategies. Thus, video conversion tasks are distributed more efficiently between the available cores, fully exploiting the capabilities of multi-core processors.
Impressive test results
Comparative measurements were performed between versions 1.11.1 and 1.6.1 of the HandBrake CLI, revealing huge differences in performance.
AMD Threadripper PRO 9995WX (96 cœurs)
- Maximum performance increase up to 181%.
AMD Threadripper 7980X (64 cœurs)
- Maximum performance increase up to 215%.
Analyse détaillée des plus gros bénéfices
On the HEDT platform with Threadripper 7980X:
- Parfum H.264 720p : +215 %
- LG_8K HEVC 8 bits 4320p : +203 %
On the platform PRO Shredder:
- Parfum H.264 720p : +181 %
- Parfum HEVC 10 bits 2160p : +151 %
- LG_8K HEVC 8 bits 4320p : +149 %
What does this mean for professional content creators?
AMD’s collaboration with the HandBrake development community illustrates the importance of leveraging multi-core processors in content creation applications. With the new optimizations, Threadripper users can take full advantage of their hardware, significantly reducing video conversion times and increasing their productivity.
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