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2024-12-17 04:41:53 2024-12-11 07:13:33 2024-12-11 07:12:54 16945316

petsoi
petsoi
Linux
lemmy - Link to source

petsoi via Linux

4 months ago • •

petsoi

4 months ago • •


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



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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in reply to petsoi

DavidGarcia
lemmy - Link to source

DavidGarcia

in reply to petsoi • 4 months ago • •
How long until CPUs and GPUs just merge into one thing
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in reply to DavidGarcia

Strit
lemmy - Link to source

Strit

in reply to DavidGarcia • 4 months ago • •
You mean like an APU?
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in reply to Strit

wewbull
lemmy - Link to source

wewbull

in reply to Strit • 4 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 (4 months ago)
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in reply to DavidGarcia

wewbull
lemmy - Link to source

wewbull

in reply to DavidGarcia • 4 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.

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in reply to petsoi

Nanook
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Nanook

in reply to petsoi • 4 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.
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Linux reshared this.

in reply to Nanook

HotChickenFeet
lemmy - Link to source

HotChickenFeet

in reply to Nanook • 4 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.
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DannyBoy
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DannyBoy

in reply to petsoi • 4 months ago • •

Today's the day the prophesy becomes true.

xkcd.com/619/


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xthexder
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xthexder

in reply to DannyBoy • 4 months ago • •
Thank god we were able to ditch flash player!
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in reply to xthexder

DannyBoy
lemmy - Link to source

DannyBoy

in reply to xthexder • 4 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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