Open-source News

Half-Double: A New DRAM Rowhammer Vulnerability

Phoronix - Wed, 05/26/2021 - 00:32
The Rowhammer security exploit affecting DRAM memory modules has a new chapter with Google now detailing "half-double" as a new technique for exploit of system memory...

DragonFlyBSD 6.0 Is Performing Very Well Against Ubuntu Linux, FreeBSD 13.0

Phoronix - Tue, 05/25/2021 - 22:52
Earlier this month in our initial benchmarking of DragonFlyBSD 6.0 we found DragonFlyBSD 6.0 performing much better than DragonFlyBSD 5.8, but how does that put its performance up against FreeBSD 13.0 and Ubuntu Linux for reference? Here are such benchmarks in our latest benchmarking of DragonFlyBSD 6.0, FreeBSD 13.0 (with both GCC and Clang), and Ubuntu Linux.

Linux 5.14 To Support F2FS Read-Only Feature

Phoronix - Tue, 05/25/2021 - 21:22
With the Linux 5.14 cycle this summer the Flash-Friendly File-System (F2FS) should land its new "RO" feature read-only mode...

Arm Announces The Cortex-X2 Armv9 Flagship CPU, Cortex-A710, Cortex-A510

Phoronix - Tue, 05/25/2021 - 21:06
Arm today announced the Cortex-X2 as their new flagship Armv9 processor design...

Intel Protected Xe Path Code Updated, Now Defaults PXP Code To Disabled

Phoronix - Tue, 05/25/2021 - 18:25
Intel's open-source driver engineers remain very active on bringing up their discrete graphics card support under Linux with restructuring of the kernel driver to handle local/dedicated memory among a variety of other changes needed. Plus there are new features with the latest generation of Intel graphics such as the Protected Xe Path (PXP) for hardware-protected sessions for multi-user / multi-process scenarios. The Intel PXP code for their Linux driver has been in the works since last year and the latest revision now submitted...

GNOME 40's Shell Theme Code Is Rather Expensive But Optimization Pursued

Phoronix - Tue, 05/25/2021 - 18:13
It's been a while since last having any major/exciting optimizations to the GNOME desktop to report on by Canonical's Daniel van Vugt that is known for his performance work over the past few years, but some optimizations are forthcoming...

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