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AMD EPYC 7502 + EPYC 7742 Linux Performance Benchmarks

8. Srpen 2019 - 0:00
Now that you have read our AMD EPYC "Rome" 7002 series overview, here is a look at the initial performance benchmarks from our testing over the past few weeks. This testing focused on the new AMD EPYC 7502 and EPYC 7742 processors in both single (1P) and dual (2P) socket configurations using AMD's Daytona server reference platform. Tests were done on Ubuntu Linux and compared to previous AMD EPYC processors as well as Intel Xeon Scalable.

AMD EPYC 7002 Series Unveiled With Primed Linux Support & Strong Server Performance

8. Srpen 2019 - 0:00
One month ago today we were talking about the AMD Ryzen 3000 series processor and new Radeon RX 5700 series graphics cards, all manufactured on TSMC's 7nm process. Today, for 7th August, the embargo has now lifted and we are talking about something arguably more exciting, or at least the ability to more profoundly impact an industry (data centers): AMD's EPYC 7002 series is ready and their line-up and ultimately the resulting performance is the most exciting and competitive we have seen ever out of AMD in the server space.

NVIDIA Starts Publishing GPU Hardware Documentation To Help Open-Source Drivers

7. Srpen 2019 - 19:22
Today is a wild one for open-source/Linux users. Let's begin with the unexpected news: NVIDIA is releasing more GPU hardware documentation at long last! Yes, freely-available hardware interface documentation to assist in the development of the open-source NVIDIA Linux driver (Nouveau)...

Initial Benchmarks Of The Spectre "SWAPGS" Mitigation Performance Impact

7. Srpen 2019 - 14:30
Yesterday the SWAPGS vulnerability was made public as a new variant of Spectre V1 that affects all operating systems and is believed to affect only Intel CPUs. The SWAPGS discovery by Bitdefender was quietly mitigated by Microsoft for Windows 10 last month while yesterday the patches were posted for the mainline Linux kernel as the Grand Schemozzle. As soon as learning of this SWAPGS vulnerability and seeing the kernel code, I began running some preliminary performance tests to look at the impact of this latest CPU mitigation.

Lars Knoll Shares His Technical Vision For The Qt 6 Tool-Kit

7. Srpen 2019 - 13:33
Longtime KDE/Qt developer Lars Knoll (and current CTO of The Qt Company) has shared his technical vision for the upcoming Qt 6 tool-kit...

Canonical Confirms Their Experimental ZFS Plans For The Ubuntu 19.10 Desktop

7. Srpen 2019 - 12:09
We've known for months about Canonical working to ramp up their ZFS On Linux support for Ubuntu 19.10 after initially packaging ZoL for Ubuntu years ago and supporting it in the server space. One of the big changes for Ubuntu 19.10 expected is an experimental ZFS root file-system install option for their desktop GUI installer. That's been confirmed today by Canonical along with some of their related ZoL activities...

Khronos Releases OpenCL 2.2-11 While Still Waiting For OpenCL-Next

7. Srpen 2019 - 11:19
The Khronos Group has released the OpenCL 2.2-11 specification to address various issues with the existing OpenCL specification while the next major release as "OpenCL-Next" is likely still a number of months away...

AMD Submits Navi 12/14 & Arcturus GPU Support Code For Linux 5.4 Kernel Queue

7. Srpen 2019 - 10:13
AMD sent in their initial pull request of feature changes to their AMDGPU Direct Rendering Manager graphics driver to begin queuing in DRM-Next for September's kick off the Linux 5.4 kernel cycle. Notable to this batch of AMDGPU DRM-Next work is a lot of new unreleased GPU support...

RADV Driver Plumbs Navi Support For Performance-Improving DCC On Storage Images

7. Srpen 2019 - 8:33
Another set of patches was merged on Tuesday for the upcoming Mesa 19.2 to further along its Radeon "Navi" support within the RADV Vulkan driver...

NetworkManager 1.20 Released With WiFi Mesh Network Support, WireGuard Improvements

7. Srpen 2019 - 6:00
NetworkManager 1.20 is now available as the newest feature update for this widely used configuration component for the Linux networking stack...

Etnaviv Gallium3D Picks Up A NIR Compiler

7. Srpen 2019 - 5:11
Landing on Tuesday ahead of this week's Mesa 19.2 feature freeze is an experimental NIR compiler for the Etnaviv Gallium3D driver that provides open-source OpenGL driver support for Vivante graphics IP...

CVE-2019-1125 "SWAPGS" Is The Newest Spectre Vulnerability

7. Srpen 2019 - 0:41
CVE-2019-1125 was made public today or also referred to as the "SWAPGS" vulnerability as a new variant of Spectre V1 affecting Windows and Linux with Intel (and according to mixed information, AMD - though the current Linux kernel patches at least seem to only apply to Intel) x86_64 processors...

Yes, Linux Does Bad In Low RAM / Memory Pressure Situations On The Desktop

6. Srpen 2019 - 19:15
It's been a gripe for many running Linux on low RAM systems especially is that when the Linux desktop is under memory pressure the performance can be quite brutal with the system barely being responsive. The discussion over that behavior has been reignited this week...

Red Hat Enterprise Linux 7.7 Brings Cloud Improvements, Kernel Livepatching

6. Srpen 2019 - 18:45
For those making use of RHEL7 and not planning to shift to Red Hat Enterprise Linux 8.0 anytime soon, RHEL 7.7 is now officially available...

Intel's Iris Gallium3D Driver Gets A 1 Line Patch To Bump The Performance By ~1%

6. Srpen 2019 - 17:29
Intel's Iris Gallium3D driver as their new OpenGL Linux driver aiming to be the default Mesa driver by year's end continues seeing more performance optimizations now that the fundamentals are in place. The latest optimization is a one line tweak yielding around one percent higher performance across the board...

KDevelop 5.4 Released With Meson Support, Scratchpad Plug-In

6. Srpen 2019 - 16:07
Version 5.4 of KDE's KDevelop integrated development environment is now available...

FFmpeg 4.2 Released With AV1 Decoding Support, GIF Parser

6. Srpen 2019 - 15:02
There hasn't been a new FFmpeg release since last November but that finally changed with FFmpeg 4.2 "Ada" being issued today as the newest major release for this multimedia open-source project...

GNOME 3.34 Beta Released - Now Under UI/Feature/API/ABI Freezes

6. Srpen 2019 - 14:12
The GNOME 3.34 beta (v3.33.90) release is now available one day early and also marks the point at which the feature freeze is in effect along with the user-interface changes and no API/ABI breakage...

Intel Xeon Cooper Lake To Offer Up To 56 Cores Per Socket Next Year

6. Srpen 2019 - 14:00
Intel decided today to reveal a few new details about their Xeon "Cooper Lake" processors due out in H1'2020...

Google Engineers Get Windows Booting When Kexec'ed Under Linux

6. Srpen 2019 - 12:55
An interesting summer internship at Google has led to an experimental effort to get Microsoft Windows running via Kexec from Linux. The engineers involved have been implementing enough of the EFI Boot Services to be able to kexec Windows from Linux...