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⇱ AMD's 3D V-Cache Optimizer Driver For Squeezing More Ryzen 9 9950X3D Performance Review - Phoronix

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AMD's 3D V-Cache Optimizer Driver For Squeezing More Ryzen 9 9950X3D Performance

Written by Michael Larabel in Processors on 12 March 2025 at 11:30 AM EDT. Page 4 of 4. 18 Comments.

Those wanting to see all of my Ryzen 9 9950X3D benchmarks repeated with the 3D V-Cache Optimizer tuning can see this result page.

Here is the side-by-side of the results with a measurable difference. The bars on the right are where the AMD Ryzen 9 9950X3D was performing better with the "cache" amd_x3d_mode set for the 3D V-Cache Optimizer driver (differences compared to yesterday's data) while on the left is where the 9950X3D was fastest out-of-the-box with the "frequency" default bias.

There are certainly some classes of workloads where setting the cache preference with the 3D V-Cache Optimizer driver on Linux systems is definitely worthwhile. Hopefully this testing helped you get an idea if changing the amd_x3d_mode is worthwhile for your software uses/workloads.

Now onward to the AMD Ryzen 9 9900X3D Linux testing up next.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.