Intel Publishes Sorting Library Powered by AVX-512, Offers 10-17x Speed Up

R-T-B · Feb 21, 2023

Frick said:
Didn't they just remove AVX512 from their consumer CPUs?

Yeah. That's sadly why it HASN'T seen wider adoption. It's segmentation hell.

Gica said:
Alder processors with the old Intel logo have full support, like Xeon.

Pretty sure the alder lake implementation was partial as well. Maybe more complete than AMD's, but still partial.

Assimilator · Feb 21, 2023

R-T-B said:
Yeah. That's sadly why it HASN'T seen wider adoption. It's segmentation hell.

IMO they removed it simply because it would've caused the nuclear reactors that are their CPUs to meltdown. Maybe we'll see a return of AVX-512 in the consumer space with their next node shrink.

AnotherReader · Feb 21, 2023

Let's hope that this code is vendor neutral. AVX-512 is a better vector ISA than SSE or AVX/AVX2, and for implementations like Zen 4, whose peak FLOPS for AVX and AVX-512 are identical, AVX-512 can be more power efficient due to requiring less power in decode and scheduling compared to its 256 bit alternative.

mrnagant · Feb 21, 2023

Didn't AMD refer to their AVX-512 as double pumping? Just using two 256-bit halves? Phoronix shows that AMDs AVX-512 is 60% faster than AVX2 while using similar power and running at basically identical clock speeds.

System Name	Pioneer
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Motherboard	GIGABYTE Aorus Elite X670 AX
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Processor	Threadripper 3960X
Motherboard	ROG Strix TRX40-E Gaming
Cooling	IceGem 360 + 6x Arctic Cooling P12
Memory	8x 16GB Patriot Viper DDR4-3200 CL16
Video Card(s)	MSI GeForce RTX 4060 Ti Ventus 2X OC
Storage	2TB WD SN850X (boot), 4TB Crucial P3 (data)
Display(s)	3x AOC Q32E2N (32" 2560x1440 75Hz)
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Processor	Ryzen 7 5700X
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Storage	Intel 665p 1TB, WD Black SN850X 2TB, Crucial MX300 1TB SATA, Samsung 830 256 GB SATA
Display(s)	Nixeus NX-EDG27, and Samsung S23A700
Case	Fractal Design R5
Power Supply	Seasonic PRIME TITANIUM 850W
Mouse	Logitech
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Intel Publishes Sorting Library Powered by AVX-512, Offers 10-17x Speed Up

R-T-B

Assimilator

AnotherReader

mrnagant