Open-source News

The Current Retbleed Performance Costs With An AMD Ryzen 7 4800U

Phoronix - Mon, 07/18/2022 - 00:50
Following some weekend benchmarks here are more complementary numbers on the Retbleed mitigation performance benchmark costs. These additional numbers are on a Zen 2 based AMD Ryzen 7 4800U APU that has been common both to laptops as well as embedded/low-profile devices for thin client computing, IoT / edge use-cases, and more...

Retbleed: Call Depth Tracking Mitigation Eyed To Avoid IBRS "Performance Horror Show"

Phoronix - Sun, 07/17/2022 - 18:18
Due to the new "Retbleed" security mitigation further hurting CPU performance for affected processors, Intel engineers have revisited work on call depth tracking mitigation as an alternative to the Indirect Branch Restricted Speculation (IBRS) mitigation to help in lowering the overhead costs...

Raptor Computing To Launch "Arctic Tern" As An FPGA-Based Soft BMC

Phoronix - Sun, 07/17/2022 - 17:55
Raptor Computing Systems that is known for their open-source POWER9-based Talos II and Blackbird systems that are fully open-source designs and running on free software down to the firmware level are preparing for a new product launch...

RADV Vulkan Driver Now Supports NVIDIA's Device Generated Commands

Phoronix - Sun, 07/17/2022 - 17:42
As of this week in Mesa 22.2, the open-source Radeon Vulkan driver "RADV" has added support for the VK_NV_device_generated_commands extension. This NVIDIA-created extension that has been around for a few years with their hardware allows for the GPU to generate some of the most frequent rendering commands on the hardware itself...

Debian's DebConf22 Kicks Off In Kosovo

Phoronix - Sun, 07/17/2022 - 17:23
After the COVID-19 pandemic hiatus, Debian's annual conference "DebConf" is back to being an in-person event and started this morning in Kosovo...

Intel's Compute Runtime To Default To Disabling Gen11 & Older Support On Windows

Phoronix - Sun, 07/17/2022 - 17:16
Intel this week issued their Compute Runtime 22.28.23726 pre-release for this open-source GPU compute stack on Windows and Linux for OpenCL and oneAPI Level Zero support on their graphics hardware...

Fedora 37 Hopes To Have A Preview Of The New Web-Based Install UI

Phoronix - Sat, 07/16/2022 - 18:19
The existing GTK-based Anaconda installer is to remain the default installation experience for Fedora 37 this autumn but a change proposal has been filed with hopes of having a public preview image for Anaconda's next-gen web-based interface for installations...

Igalia Working Towards Faster 2D Rendering For Older Raspberry Pi Boards

Phoronix - Sat, 07/16/2022 - 17:32
Igalia developer Christopher Michael has begun a blog post series outlining the consulting firm's work on improving the accelerated 2D rendering for the Raspberry Pi 1 through Raspberry Pi 3 single board computers...

Arcan 0.6.2 Display Server Continues Working On Network Transparency

Phoronix - Sat, 07/16/2022 - 17:19
Arcan 0.6.2 was released this week as the newest version of the open-source display server built atop a game engine and aiming to compete with the likes of X11 and Wayland while focusing on advanced capabilities...

Vulkan 1.3.221 Released With VK_EXT_pipeline_robustness

Phoronix - Sat, 07/16/2022 - 17:01
Vulkan 1.3.221 was released this week as the newest spec update for this industry-standard graphics/compute API...

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