Intel News Archives
Intel Publishes oneAPI Level 0 Specification

Back at SC19 Intel released a beta of their oneAPI Base Toolkit for software developers to work on performance-optimized, cross-device software. Complementing that initial software beta is now the oneAPI Level 0 Specification.

5 December 2019 - oneAPI Level 0 Specification - 13 Comments
The Linux Kernel Disabling HPET For More Platforms - Including Ice Lake

Reported on earlier this month is the decision by Linux kernel developers to disable HPET for Intel Coffee Lake systems. The High Precision Event Timer was being disabled since on some Coffee Lake systems at least this timer skews when entering the PC10 power state and that makes the time-stamp counter unstable.

29 November 2019 - High Precision Event Timer - 6 Comments
Linux 5.5 To Enable Intel's 5-Level Paging Support By Default

For several release cycles already the Linux kernel has supported Intel's 5-level paging for increasing the virtual and physical address space available to systems while for Linux 5.5 the five-level support is being enabled by default.

26 November 2019 - Five-Level For Five Dot Five - 6 Comments
JCC Erratum Impact On Skylake Xeon Scalable Plus The Patched Assembler

Last week ago we provided a number of benchmarks looking at the performance impact from Intel's Jump Conditional Code (JCC) Erratum that required a CPU microcode update to mitigate but that comes with a performance hit. At least Intel has pending GNU Assembler patches to help offset that performance hit. In time for last week's articles I didn't have a chance to perform Skylake Xeon Scalable (1st Gen) benchmarks but now here are some metrics alongside Cascade Lake.

20 November 2019 - Skylake vs. Cascadelake - 4 Comments
Intel's Graphics Driver DoS Fix Last Week Has Hurt Power Consumption

While the patches overnight about "substantial" improvement in power usage for Intel graphics on Linux were exciting on first look, it's less so now as it turns out last week's graphics driver security fixes is what regressed the Intel graphics power-savings.

19 November 2019 - Denial of Service or Worse Battery Life - 6 Comments
Intel's oneAPI / DPC++ / SYCL Will Run Atop NVIDIA GPUs With Open-Source Layer

With yesterday's much anticipated Intel oneAPI beta being built around open-source standards like SYCL, the "cross-device" support can at least in theory extend beyond just Intel platforms. Codeplay is already showing that's possible with a to-be-open-source layer that will allow oneAPI and SYCL / Data Parallel C++ to run atop NVIDIA GPUs via CUDA.

18 November 2019 - oneAPI On NVIDIA GPUs - 3 Comments
Intel To Drop Very Old Drivers/BIOS From Their Site, But The Linux Impact To Be Minimal

Making waves today is that Intel will be removing very old BIOS and driver downloads from their site on or after 22 November. Though these software downloads for the products in question are around ~20 years old so the real-world impact should be small plus with Linux drivers being in the mainline kernel, all you'd really be losing out on are BIOS updates that themselves haven't seen updates in years.

18 November 2019 - Very Old Components - 18 Comments
New ZombieLoad Side-Channel Attack Variant: TSX Asynchronous Abort

In addition to the JCC erratum being made public today and that performance-shifting Intel microcode update affecting Skylake through Cascade Lake, researchers also announced a new ZombieLoad side-channel attack variant dubbed "TSX Asynchronous Abort" or TAA for short.

12 November 2019 - ZombieLoad TAA - 28 Comments

1656 Intel news articles published on Phoronix.