Open-source News

Zombieload V2 TAA Performance Impact Benchmarks On Cascade Lake

Phoronix - Thu, 11/14/2019 - 21:28
While this week we have posted a number of benchmarks on the JCC Erratum and its CPU microcode workaround that introduces new possible performance hits, also being announced this week as part of Intel's security disclosures was "Zombieload Variant Two" as the TSX Async Abort vulnerability that received same-day Linux kernel mitigations. I've been benchmarking the TAA mitigations to the Linux kernel since the moment they hit the public Git tree and here are those initial benchmark results on an Intel Cascade Lake server.

Darktable 3.0 RC1 Released With Greater Undo/Redo Support, More SSE Optimizations

Phoronix - Thu, 11/14/2019 - 20:29
Darktable 3.0 is coming soon as the next major release for this open-source RAW photography workflow software...

GCC 7.5 Released With 215+ Bug Fixes As The Last Update To GCC7

Phoronix - Thu, 11/14/2019 - 20:17
For those still on the GCC 7 series, GCC 7.5 was released this morning as the final point release to this compiler series with that branch that saw its original release in 2017 now closed...

Intel's Assembler Changes For JCC Erratum Are Not Hurting AMD

Phoronix - Thu, 11/14/2019 - 17:23
When writing about the Intel Jump Conditional Code (JCC) Erratum and how Intel is working to mitigate the performance hit of the CPU microcode update with patches to the GNU Assembler, there was some concern expressed by readers that it might hurt AMD performance. That does not appear to be the case...

How to contribute to Kubernetes if you have a fulltime job - Thu, 11/14/2019 - 16:02

I started contributing to Kubernetes (K8s) in October 2018, when I was working on the Product Security Incident Response Team at IBM. I was drawn to distributed systems, but I couldn't work with them in my day job, so my mentor, Lin Sun, suggested I contribute to open source distributed systems in my spare time. I became interested in K8s and have never looked back!

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