Title bullshit, we have multicore machine for years, I can guarantee you this had about no impact else people running Xeon or Threadripper would have saw it at first try 15 years ago.
This looks like to have an impact on the scheduler but not on how many cores are used.
In Québec in 1998 during the ice storm, we missed power for 5 weeks. They derailled train to bring them at some place to plug their big diesel generators on the city power system.
Yes they were driving train on the asphalt road, I’m sure you can find pic and videos or it.
Hibernation or suspend? 2 different things. For hibernation you need a swap space at least the size of your RAM, and then the laptop is powered off after this.
For suspend, in your dmesg, see if you have:
ACPI: PM: (supports S0 S3 S4 S5)
if you have S3 your laptop should lost only a few percent.
do a:
cat /sys/power/mem_sleep
what does it says?
New CPU/BIOS/PC/Laptop only support something called “s0 idle” meaning it is like a cellphone, everything is running, and each drivers/components/os should enter low power themselves, if they do not, well, your battery is draining.
S3 means “suspend to RAM”, only RAM is powered and everything else is off, your laptop can stay like this for days. I don’t know who decided that this is bad and your laptop should be like your cellphone, always running?!?
I still have my HP Mini311, it has a 11.6" screen, 1366x768, discrete GPU, can decode 1080p in hardware and output on tv via HDMI. In 2009 it was a beast!
I changed the 2.4bg with a 2.4/5n wifi, upgraded to 3GB of ddr3 ram, SSD, overclocked to 2GHz, and installed MX Linux on it, works perfect.
After using ext4 for yyyeeeaaaarrrrrsss, when I upgraded my MX21 to MX23 I used btrfs, with subvolumes, especially for easy backup/snapshot/timeshift.
Just at install, super easy, create a small ext4 boot partition on the SSD, then a big LUKS partition, format with btrfs, create subvolumes for / /home /var /swap and that’s it. No hassle with sizing correctly.
btrfs seems pretty stable. I see no diff in performance compared to ext4 because my application are not that dependant to FS speed, and with SSD anyway?
Ubuntu is Debian anyway. Why not installing MX (based on Debian too) with XFCE, it is the best experience I have had.
I come from good old LFS from the 90s and for me, a distro is just a kernel with some GNU utils, a window manager, and a way to get packages (which is about the only diff between “distro”)