AVX / AVX2 / AVX-512 Performance + Power On Intel Rocket Lake
Written by Michael Larabel in Software on 7 April 2021. Page 6 of 6. 59 Comments

This is a look at the overall CPU power consumption across the span of the workloads tested. On average the CPU power consumption was 17% higher with the AVX-512 test run while the peak CPU power consumption reported by Intel's RAPL interfaces spiked from 265 Watts to 292 Watts, a 10% increase.

The increased power consumption did translate to higher temperatures.

That's the quick look at AVX-512 performance with Rocket Lake / i9-11900K. More benchmarks of Rocket Lake still forthcoming on Phoronix looking at different areas under Linux and other platforms like the BSDs.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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