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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word “Linux” in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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lemmy

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petsoi via Linux

10 months ago

petsoi
10 months ago

Perf Support For 2,048 CPU Cores Is Becoming Not Enough - Patches Bump Kernel Limit

Currently the Linux kernel's 'perf' performance monitoring subsystem has a limit on 2,048 CPU cores for its CPU map that is set by the MAX_NR_CPUS value

^{www.phoronix.com}

in reply to petsoi

DavidGarcia

in reply to petsoi 10 months ago

How long until CPUs and GPUs just merge into one thing

in reply to DavidGarcia

Strit

in reply to DavidGarcia 10 months ago

You mean like an APU?

in reply to Strit

wewbull

in reply to Strit 10 months ago

Not OP, but I doubt that's what he meant. An APU still has a CPU and a GPU on it as separate things.

This entry was edited (10 months ago)

in reply to DavidGarcia

wewbull

in reply to DavidGarcia 10 months ago

Probably never. Those 2048 cores are all separate threads. GPUs work with a cluster of cores all following a single thread of execution.

MIMD Vs SIMD.

in reply to petsoi

Nanook

in reply to petsoi 10 months ago

Intel has been making CPUs with integrated GPUs for ages, i7-6700K with UHD630 graphics for example, the thing is they contain a very small number of shaders, etc, because there is only so much real-estate on a single die and these weren't really intended for gaming, just providing enough GPU for a basic display, watch videos, etc.

Linux reshared this.

in reply to Nanook

HotChickenFeet

in reply to Nanook 10 months ago

Can have a shared power envelope and naturally shares heat dissipation - which can both be limiters to simultaneously making full use of integrated graphics & CPU as well, even if the integrated graphics were powerful enough for gaming.

in reply to petsoi

DannyBoy

in reply to petsoi 10 months ago

Today's the day the prophesy becomes true.

xkcd.com/619/

Supported Features

^xkcd

in reply to DannyBoy

xthexder

in reply to DannyBoy 10 months ago

Thank god we were able to ditch flash player!

in reply to xthexder

DannyBoy

in reply to xthexder 10 months ago

I suppose we reached 4096 CPU support before full screen Flash support, just in a different way. Maybe somebody who used Linux in the Flash era can comment if it ever was working well.

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petsoi via Linux

petsoi 10 months ago • •

petsoi
10 months ago