Open-source News

Why Vim users will love the Kakoune text editor

opensource.com - Wed, 12/16/2020 - 16:02

The Kakoune text editor takes inspiration from Vi. With a minimalistic interface, short keyboard shortcuts, and separate editing and insert modes, it does look and feel a lot like Vi at first. However, the Kakoune editor has its own unique style both in design and function and is better considered its own editor rather than yet another Vim.


read more

Understanding 52-bit virtual address support in the Arm64 kernel

opensource.com - Wed, 12/16/2020 - 16:01

After 64-bit hardware became available, the need to handle larger address spaces (greater than 232 bytes) became obvious. With some vendors now offering servers with 64TiB (or more) of memory, x86_64 and arm64 now allow addressing adress spaces greater than 248 bytes (available with the default 48-bit address support).


read more

How to use Kubernetes resource quotas

opensource.com - Wed, 12/16/2020 - 16:00

"Control" is the word that comes to mind when someone mentions they need to manage Kubernetes compute resources, especially CPU and memory. These conversations generally happen after the Kubernetes platform has been deployed for a while and developers are using the cluster extensively. And most of the time, the topic comes up after a problem happens.


read more

Ampere Altra Performance Shows It Can Compete With - Or Even Outperform - AMD EPYC & Intel Xeon

Phoronix - Wed, 12/16/2020 - 07:00
While the talk in recent weeks has been about the performance of Apple's M1 ARM chip and then rumors there might be a 32 core chip in the pipe, there is already something much stronger: Ampere Altra has begun shipping and its flagship 80-core SoC with up to two sockets per server can easily take on the AMD EPYC 7742 "Rome" and Intel Xeon Platinum 8280 "Cascade Lake" performance across a variety of workloads. Here is our initial look at the Ampere Altra performance on Linux in our independent performance benchmarks.

Intel "IGEN6" Driver Comes To Linux 5.11 For In-Band ECC (IBECC)

Phoronix - Wed, 12/16/2020 - 06:54
Initially found with "Elkhart Lake" SoCs and likely to be found on further future Intel client SoCs is the integrated memory controller supporting in-band ECC (IBECC). Coming with Linux 5.11 is the "IGEN6" EDAC driver for handling this error detection and correction on Intel SoCs sporting IBECC...

SECCOMP Filters Get A Very Nice Speed-Up With Linux 5.11

Phoronix - Wed, 12/16/2020 - 05:51
The Linux 5.11 kernel cycle continues to prove to be very exciting. The latest are SECCOMP filters for this secure computing mode yielding a nice speed-up...

Pages