A Friday patch series reveals a new security feature with Zen 4 previously not documented: Automatic IBRS...
On the same day as new GCC compiler patches for next-generation processors coming out for those wares that are more than one year out, the GNU Compiler Collection dropped a remnant from Intel's past: the Many Integrated Core "MIC" architecture support with Xeon Phi for offloading...
A patch on its way to the mainline Linux kernel tunes Alder Lake N and Raptor Lake P mobile processors to have slightly lower power consumption out-of-the-box to help with battery life and thermal characteristics...
Stemming from the recent discussion of Intel's open-source Linux driver for Arc Graphics not yet running on POWER, another rather interesting support caveat was also raised. It turns out updating the GSC firmware for Arc Graphics hardware currently requires the Intel Management Engine (ME) functionality, which basically limits the graphics card firmware updating in turn to systems with Intel CPUs...
While Xeon Scalable "Sapphire Rapids" will finally see its formal launch in January as recently revealed by Intel, it will then be succeeded down the road by Emerald Rapids. Succeeding Emerald Rapids will then be Granite Rapids to which there is now an initial GCC compiler enablement patch posted. Granite Rapids won't be out until at least well into 2024 while fortunately they have already begun their compiler enablement work to ensure that new CPU instructions and other capabilities are in place well ahead of launch...
BOLT as the Facebook/Meta-developed tech for optimizing binaries in the name of greater performance by optimizing the code layout was merged to mainline LLVM at the start of the year. Now as we approach the end of the year BOLT is getting a bit of a promotion with being flipped on by default for Linux x86_64 and AArch64 test releases...
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