18 Jan
2024
18 Jan
'24
6:55 p.m.
I posted the notes.
https://www.saclug.org/articles/2023/january-2024.html
Here is more information on the CPU that has efficiency cores and
performance cores.
https://www.theregister.com/2023/03/10/thinkpad_x1c_g10_linux/
"The X1 Carbon Gen 10 has an Alder Lake Intel Core processor, meaning
four P (for Performance) cores, each of which can run two threads, and
eight E (for Efficiency) single-threaded cores. The CPU shows as having
16 cores in the task manager. The snag with this is that the OS has to
be aware that fully half of these are low-powered efficiency cores, and
that only low-priority, non-performance-critical tasks should be
scheduled onto those."
Brian
On Wed, Jan 17, 2024 at 10:56:32AM -0800, Gary wrote:
I'd like to thank Brian for hosting the group
meeting at Kupros last night.
It was supposed to be mostly social, but we ended up talking a lot of Linux. He mentioned
that his new laptop seemed to have many options for the core configuration and we started
to discuss how this was possible and might have gone off the deep end :)
We looked at some of the details of the C code for the navigation app and it was
interesting to see the API's for accessing the sensor data. I hadn't played with
that stuff for quite a while. We discussed the ease of accessing sensor data provided by a
phone vs usb add on.
And the happy hour snack and beer weren't bad either.
We are shooting for being back at BelAir next month.
-Gary
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--
Brian Lavender
http://www.brie.com/brian/
"There are two ways of constructing a software design. One way is to
make it so simple that there are obviously no deficiencies. And the other
way is to make it so complicated that there are no obvious deficiencies."
Professor C. A. R. Hoare
The 1980 Turing award lecture