Linux Kernel Avx Support

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AVX-512 CPU Support Added To Linux 3.15 Kernel - Phoronix

    https://www.phoronix.com/scan.php?page=news_item&px=MTY0OTM
    Mar 31, 2014 · Support for the latest Advanced Vector Extensions will be supported by the next Linux kernel release. Landing today alongside the EFI mixed mode support as an early change in the Linux 3.15 kernel merge window is support for AVX-512. AVX-512 are 512-bit extensions to the 256-bit AVX SIMD instructions.

Advanced Vector Extensions - Wikipedia

    https://en.wikipedia.org/wiki/Advanced_Vector_Extensions
    Advanced Vector Extensions (AVX, also known as Sandy Bridge New Extensions) are extensions to the x86 instruction set architecture for microprocessors from Intel and AMD proposed by Intel in March 2008 and first supported by Intel with the Sandy Bridge processor shipping in Q1 2011 and later on by AMD with the Bulldozer processor shipping in Q3 2011. AVX provides new features, new instructions ...

cpu - How do I get AVX support in QEMU? - Super User

    https://superuser.com/questions/453786/how-do-i-get-avx-support-in-qemu
    I want to play with the new AVX instructions. I saw that QEMU might have support, so I built it from Git (yesterday).I set the CPU to SandyBridge and I booted Tiny Core Linux. TCL has kernel 3.0 and Wikipedia claims Linux got AVX support in 2.6.30.TCL works with AVX in Bochs too.

AVX support in Linux - Intel

    https://software.intel.com/en-us/forums/intel-isa-extensions/topic/286115
    Jun 09, 2009 · Linux: supported since kernel version 2.6.30 released on June 9, 2009. It looks like RHEL uses 2.6.18 so it won't be supported unless the kernel is …

[2/2] x86/fpu: Support disabling AVX and AVX512 - Linux kernel

    https://lore.kernel.org/patchwork/patch/768884/
    Mar 11, 2017 · On Fri, 10 Mar 2017, Andi Kleen wrote: > From: Andi Kleen <[email protected]> > > For performance testing it is useful to be able to disable AVX > and AVX512. User programs check in XGETBV if AVX is supported > by the OS. If we don't initialize the XSAVE state for AVX it will > appear as if the OS is not supporting AVX. For kernel users we > can also clear the internal cpu feature bits ...

AMD EPYC SEV, Intel UMIP & More AVX-512 Support Heading To ...

    https://www.phoronix.com/scan.php?page=news_item&px=Linux-4.15-x86-SEV-UMIP-AVX
    Nov 13, 2017 · AMD EPYC SEV, Intel UMIP & More AVX-512 Support Heading To Linux 4.15. ... On the compiler side these AVX-512 additions and GFNI are premiering next year with GCC 8.1 stable. ... The Linux Kernel Obsoletes The Intel Simple Firmware Interface.

x86/insn: Add AVX-512 support to the instruction decoder ...

    https://github.com/torvalds/linux/commit/25af37f4e1e0a747824e3713b80d6b97dad28b7c
    Linux kernel source tree. Contribute to torvalds/linux development by creating an account on GitHub. ... Add AVX-512 support to the instruction decoder Add support for Intel's AVX-512 instructions to the instruction decoder. AVX-512 instructions are documented in Intel Architecture Instruction Set Extensions Programming Reference (February 2016 ...



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