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LLVM Working On Intel AVX-512 Support

Intel

Published on 05 August 2013 03:42 PM EDT
Written by Michael Larabel in Intel
11 Comments

Intel developers working on the LLVM compiler infrastructure have been working on AVX-512 instruction set support in recent days. Intel AVX-512 instructions support 512-bit SIMD instructions with providing twice the number of data elements handled by AVX/AVX2 with a single instruction and four times that of SSE instructions.

Intel AVX-512 is designed for demanding computational tasks with having 512-bit wide 32 vector registers, eight dedicated mask registers, high speed math instructions, and other new capabilities over existing Advanced Vector Extensions.

On the hardware side, Intel will be introducing AVX-512 to their Xeon Phi co-processors with "Knights Landing" (the 14nm update to Knights Corner) and later will come to traditional Xeon CPUs.

For more details on Intel AVX-512 instructions, read the documentation at software.intel.com. The recent AVX-512 operations support in LLVM can be found from the GitHub mirror commit list.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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