GCC & LLVM Clang Compiler Benchmarks On AMD's EPYC 7601

For squeezing maximum performance out of Linux systems with source-based workloads, most of you know there can often be tweaks to be had to the compiler stack for greater performance. As well with the never-ending advancements to the leading open-source code compilers, between releases can be measurable performance benefits but sometimes not without regressions too. With AMD's EPYC line-up still being very fresh and the underlying Zen microarchitecture (or "znver1" as referred to by the compiler toolchains), here are a variety of benchmarks under recent releases of the GCC and LLVM Clang compilers.

4 Hours Ago - Software - 11 Comments
HDD/SSD Performance With MDADM RAID, BCache On Linux 4.14

It's been one year since last testing BCache as a means in the Linux kernel's block layer to allow an SSD to serve as a cache for a larger but slower rotational hard drive. So I have carried out some fresh benchmarks using the Linux 4.14 Git kernel to provide not only fresh benchmarks of BCache but also MDADM SSD RAID on Linux and some other fresh SSD/HDD benchmarks.

9 Hours Ago - Storage - 13 Comments

25 September

AMD Rebrands CrossFire As Just mGPU

While not particularly relevant to Linux gamers at this point in time, AMD is dropping their CrossFire branding in favor of just calling it their mGPU technology.

25 September 09:15 AM EDT - AMD - mGPU Linux? - 22 Comments
Intel Core i9 7960X Linux Benchmarks

While Intel previously announced the expanded Intel Core X-Series line-up including the Core i9 7960X and Core i9 7980XE processors, only today is the performance embargo expiring as these CPUs begin to ship to further battle AMD's Ryzen Threadripper line-up. Here is today's launch-day Linux benchmarks of the Core i9 7960X.

25 September 03:01 AM EDT - Computers - 31 Comments

24 September

Intel Announces Early 8th Gen Core Processors, Coffee Lake

Intel has rushed up the announcement of their 8th Gen Intel Core desktop processors following a recent leak. We can now confirm that these new Intel CPUs are en route to retailers, they have already arrived for testing, and will be benchmarked under Linux on Phoronix once that secondary embargo expires.

24 September 11:00 PM EDT - Intel - Coffee Lake Launch - 33 Comments
ASUS Tinker Board Is An Interesting ARM SBC For About $60 USD

Earlier this year ASUS announced the Tinker Board as their first step into the ARM single board computer world. Earlier this month I finally received a Tinker Board for testing and it has been quite interesting to say the least. The Tinker Board with its Rockchip SoC has been among the most competitive ARM SBCs we have tested to date in its price range and the form factor is compatible with the Raspberry Pi.

24 September 11:33 AM EDT - Computers - 36 Comments
The State Of Intel's GPU Virtualization Pass-Through On Linux

Wrapping up our XDC2017 coverage for this annual X.Org developer event that took place this past week in Mountain View, Zhenyu Wang of Intel presented on their ongoing work for mediated GPU virtualization pass-through support on Linux, Intel GVT.

24 September 07:44 AM EDT - Intel - Mediated GPU Pass-Through - 21 Comments

23 September

22 September

RADV Vulkan vs. RadeonSI OpenGL Performance With Linux 4.13 + Mesa 17.3-dev

It's been a few weeks since last delivering any large RADV/RadeonSI open-source AMD Linux graphics benchmark results due to being busy with testing other hardware as well as battling some regressions / stability problems within the AMDGPU DRM code and Mesa Git. But with Linux 4.13 stable and the newest Mesa 17.3-dev code, things are playing well so here are some fresh OpenGL vs. Vulkan benchmarks on three Radeon graphics cards.

22 September 01:48 PM EDT - Display Drivers - 25 Comments
Open-Source OpenCL Adoption Is Sadly An Issue In 2017

While most of the talks that take place at the annual X.Org Developers' Conference are around the exciting progress being made across the Linux graphics landscape, at XDC2017 taking place this week at Google, the open-source GPGPU / compute talk is rather the let down due to the less than desirable state of the open-source OpenCL ecosystem.

22 September 09:34 AM EDT - X.Org - Open-Source OpenCL In 2017 - 19 Comments
A Set Of BFQ Improvements Ready For Testing

Recently I wrote about a BFQ regression fix that should take care of a problem spotted in our recent I/O scheduler Linux 4.13 benchmarks while now that work has yielded a set of four patches working to improve this recently-merged scheduler.

22 September 06:01 AM EDT - Linux Kernel - BFQ - 1 Comment

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