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Kernel: Linux in the 2010s, Some Benchmarks and Experimental GCN 1.0 GPU Support Might Be Dropped From AMDGPU Linux Driver

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Graphics/Benchmarks
Linux
  • The Linux Kernel Highlights Of The 2010s From Torvalds' Sabbatical To Dealing With Vulnerabilities

    Going along with our other end of year and decade recaps, here is a look back at the Linux kernel highlights for the 2010s.

    The Linux kernel during the 2010s saw a lot of new features and expanded hardware support, fallout from many security vulnerabilities and having to provide various CPU mitigations as well, Microsoft beginning to contribute to the Linux kernel largely in the context of Hyper-V, various performance improvements, debates over the state of 32-bit's future, and much more.

  • Power Management Improvements Could Benefit Intel Server Performance In Linux 5.6

    Some Intel server platforms could see better performance with the Linux 5.6 kernel cycle.

    Intel's Rafael Wysocki who also serves as the Linux kernel's power management subsystem maintainer has been queuing some patches recently in working on ACPI _CST support around the Intel-Idle driver.

  • The AppArmor Performance Impact In 70+ Benchmarks On Linux 5.5 Git

    With bisecting one of the big regressions in Linux 5.5 and finding the culprit to be an AppArmor change while using Hackbench as one of the most affected tests, I was curious to see what other workloads are impacted big by AppArmor on the current Linux 5.5 Git code. Here are 72 tests with the Threadripper 3970X on Linux 5.5 Git when toggling AppArmor.

    These New Year's Eve benchmarks are looking at the performance of Linux 5.5 Git as of two days ago when running out-of-the-box on Ubuntu 19.10 and then booting with apparmor=0 to force AppArmor to be disabled. Thus looking at the overall cost of AppArmor on Linux 5.5 right now as opposed to just the change from the recent regression.

  • The Experimental GCN 1.0 GPU Support Might Be Dropped From AMDGPU Linux Driver

    By default the Linux kernel selects the aging Radeon DRM driver for GCN 1.0 "Southern Islands" and GCN 1.1 "Sea Islands" hardware (as well as all older ATI/AMD GPUs) while it's GCN 1.2 and newer that defaults to the modern AMDGPU kernel driver. But for years there has been experimental GCN 1.0/1.1 support available via kernel module options, but now for the original GCN GPUs that code is at risk of being dropped.

Reiser5 File-System In Development

  • Reiser5 File-System In Development - Adds Local Volumes With Parallel Scaling Out

    Well, this is a hell of a way to surprisingly end the 2010s... Reiser5. Reiser5 brings a new format to the Reiser file-system and brings some new innovations to this file-system while keeping to its controversial name.

    Edward Shishkin has continued maintaining the Reiser4 file-system over the decade for new kernel releases even with no aim for mainline inclusion. Reiser4 has continued to be maintained while the likes of Btrfs, F2FS, EXT4, XFS, and ZFS On Linux among others have continued advancing... But Shishkin has quietly been working on advancing the Reiser file-system design and today announced format 5, a.k.a. Reiser5.

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