Open-source News

Pending RADV Driver Change Leads To Much Lower System RAM Use For Some Games

Phoronix - Tue, 03/28/2023 - 02:00
A pending change to the Mesa Radeon Vulkan driver "RADV" is leading to much lower system RAM use for some games that make use of many Vulkan Graphics Pipeline Libraries (GPL). The game causing this issue to be investigated was Valve's Dota 2 on RADV and is now seeing an 85% reduction in system RAM use by this open-source Radeon Linux driver...

Ubuntu Touch OTA-1 Focal Released For Ubuntu 20.04 LTS On Smartphones

Phoronix - Tue, 03/28/2023 - 00:50
Ubuntu Touch as the community maintained version of Ubuntu Linux for smartphones and tablets has for years been frustratingly limited to Ubuntu 16.04 LTS as its base operating system for when Canonical had abandoned their smartphone ambitions. Today though that has finally changed with Ubuntu Touch OTA-1 Focal having been released that moves things forward to an Ubuntu 20.04 LTS base...

Intel Sapphire Rapids Performance With Google Cloud Compute Engine C3

Phoronix - Tue, 03/28/2023 - 00:00
Back in October Google announced their Compute Engine C3 instances in private preview that featured 4th Gen Xeon Scalable "Sapphire Rapids" processors as well as making use of Google's custom Intel Infrastructure Processing Unit (IPU). Since then, back in January, was the big Sapphire Rapids launch with the likes of the Xeon Platinum 8490H being released. Last month meanwhile Google promoted the C3 VMs to public preview state. The Sapphire Rapids C3 VMs remain in "public preview" from Google Cloud during which time there are no charges involved for the CPU costs. For those wondering about the core-for-core performance of Sapphire Rapids in Google Cloud, here are my initial benchmarks of the C3 series.

AmpereOne Sees Last Minute Compiler Tuning Ahead Of GCC 13

Phoronix - Mon, 03/27/2023 - 22:39
Going back to late 2021 was the initial GCC compiler patch for "Ampere-1" for that next-gen AArch64 server processor while last year this successor to Ampere Altra (Max) was formally announced under the AmpereOne brand. That initial compiler support appeared in GCC 12 while ahead of the GCC 13 release in the coming weeks has been some last minute tuning for the AmpereOne cost table...

Linux 6.4 Device Mapper To See Improved Concurrent I/O Performance

Phoronix - Mon, 03/27/2023 - 20:59
Thanks to forthcoming work out of Red Hat, the Linux 6.4 Device Mapper (DM) code is expected to see some optimization work that can significantly benefit concurrent I/O performance... In one case at least acquiring buffers now about 25 times faster...

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