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GNU C Library Merges Support for getrandom vDSO

news.movim.eu / Phoronix • 13 November, 2024

Back in Linux 6.11 support for getrandom() in the vDSO was upstreamed for much better performance in providing speedy yet secure random number generation (RNG) needs. Since Linux 6.11 getrandom in the vDSO has expanded to more CPU architectures and now there's a notable user-space user ready to go: the GNU C Library "glibc" support was merged...

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Intel's Zswap IAA Compress Batching Work Is Very Interesting For Linux Performance

news.movim.eu / Phoronix • 13 November, 2024

The Intel In-Memory Analytics Accelerator (IAA) found in various Xeon SKUs since Sapphire Rapids can be of big benefit to Linux servers/workstations with a Linux kernel patch series that has been in the works to provide Zswap IAA compress batching...

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NVIDIA MLX5 Introducing Data Direct Placement "DDP" In Linux 6.13 For Boosting Bandwidth

news.movim.eu / Phoronix • 13 November, 2024

The NVIDIA MLX5 driver for NVIDIA Mellanox ConnectX-5 network adapters is preparing to introduce a new Data Direct Placement "DDP" feature with the upcoming Linux 6.13 kernel merge window...

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Uncached Buffered IO Is Performing Great, Working Now On Btrfs / EXT4 / XFS

news.movim.eu / Phoronix • 13 November, 2024

As covered last week Linux I/O expert Jens Axboe has been taking a fresh pursuit of uncached buffered I/O for Linux. This "RWF_UNCACHED" work was originally started back in 2019 while a renewed effort around it is showing ~65% faster read/write performance and so far has been extended to work across EXT4, Btrfs, and XFS file-systems...

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AMD Continues Backing AlmaLinux For Community Enterprise Linux OS

news.movim.eu / Phoronix • 13 November, 2024

The AlmaLinux operating system project that was started from the fallout of the RHEL/CentOS development shift several years ago has once again courted AMD as a sponsorship of this community enterprise Linux operating system...

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xcompmgr 1.1.10 Released For Classic "Eye Candy" Compositor On X.Org

news.movim.eu / Phoronix • 13 November, 2024

Xcompmgr 1.1.10 was released yesterday as the newest update to this basic X11 compositor providing "eye candy" effects for classic X.Org usage...

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Intel Idle Support For Granite Rapids D Going Into Linux 6.13

news.movim.eu / Phoronix • 12 November, 2024

The "intel_idle" driver provides CPU idle time management for Intel processors on Linux for helping to put the processor into low-power states in conjunction with the MWAIT instruction. With the upcoming Linux 6.13 kernel, the Granite Rapids D support for the Intel Idle driver is set to be merged...

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Intel Releases New CPU Microcode For Two New Security Advisories

news.movim.eu / Phoronix • 12 November, 2024

It's the second Tuesday of the month and this Patch Tuesday brings new CPU microcode for mitigating the latest Intel processor security vulnerabilities and updates to some previously disclosed issues...

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Early Benchmarks: AMD EPYC 9005 Performance & Power Efficiency To Lead Further With Linux 6.13

news.movim.eu / Phoronix • 12 November, 2024

One of the many changes to look forward to with the upcoming Linux 6.13 kernel cycle is the AMD P-State driver to be used by default with the new EPYC 9005 series processors. While AMD Ryzen CPUs for a while now have been defaulting to the modern AMD P-State driver that makes use of ACPI CPPC platform support for allowing better power efficiency, AMD EPYC CPUs have kept to using the generic ACPI CPUFreq frequency scaling driver. But now AMD engineers have deemed amd_pstate ready for use with EPYC 9005 "Turin" CPUs and will be the default choice moving forward. Here is more information and power/performance benchmarks for this shift while testing using the EPYC 9755 processors.