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petsoi via Linux 4 months ago • lemmy

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}

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yenguardian 4 months ago • lemmy

and this is to go... EVEN FURTHER BEYOND

6 1

DavidGarcia 4 months ago • lemmy

How long until CPUs and GPUs just merge into one thing

16 1 1

Strit 4 months ago • lemmy

You mean like an APU?

11 1 1

wewbull 4 months ago • lemmy

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 (4 months ago)

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wewbull 4 months ago • lemmy

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.

8 1

Nanook 4 months ago friendica (DFRN)

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.

5 1 1

HotChickenFeet 4 months ago • lemmy

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.

2 1

DannyBoy 4 months ago • lemmy

Today's the day the prophesy becomes true.

xkcd.com/619/

Supported Features

^xkcd

32 1

xthexder 4 months ago • lemmy

Thank god we were able to ditch flash player!

7 1

DannyBoy 4 months ago • lemmy

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.

2 1