Linux Simd Support

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ZFS On Linux Has Figured Out A Way To Restore SIMD Support ...

    https://www.phoronix.com/scan.php?page=news_item&px=ZFS-On-Linux-Restoring-SIMD
    Jul 17, 2019 · Some Linux distributions have resorted to reverting the kernel patch that stopped exporting the kernel FPU begin/restore functions used by ZoL for tapping vector-based (SSE/AVX) algorithms. But now ZFS On Linux itself has figured out a solution to restore …

Using the Streaming SIMD Extensions on Linux

    https://sourceware.org/gdb/papers/linux/linux-sse.html
    Using the Streaming SIMD Extensions on Linux. This page provides patches that extend the Linux kernel to support the Pentium III Streaming SIMD Extensions. What are the Streaming SIMD Extensions? Intel's Pentium III processor contains some new instructions and registers, known collectively as the Streaming SIMD Extensions (SSE), which increase ...

ZFS On Linux Has Figured Out A Way To Restore SIMD Support ...

    https://www.phoronix.com/forums/forum/software/general-linux-open-source/1114127-zfs-on-linux-has-figured-out-a-way-to-restore-simd-support-on-linux-5-0
    Phoronix: ZFS On Linux Has Figured Out A Way To Restore SIMD Support On Linux 5.0+ Those running ZFS On Linux (ZoL) on post-5.0 (and pre-5.0 supported LTS releases) have seen big performance hits to the ZFS encryption performance in particular. That came due to upstream breaking an interface used by ZFS On Linux and admittedly

unix - How to test if your Linux Support SSE2 - Stack Overflow

    https://stackoverflow.com/questions/4203235/how-to-test-if-your-linux-support-sse2
    Any relatively recent GCC or ICC should support it. As for your cpu, check the flags line in /proc/cpuinfo. It would be best, though, to have checks in your code using cpuid etc, so that SSE2 sections can be disabled in CPUs that do not support it and your code can fall back on a …

IBM XL C/C++ for Linux on z Systems, V1.2 delivers vector ...

    http://www-01.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/7/897/ENUS215-477/index.html
    Nov 24, 2015 · IBM® XL C/C++ for Linux™ on z Systems™, V1.2 delivers the following features and benefits: Additional performance and optimization enhancements to exploit the latest IBM z™ Systems' new vector extension facility (SIMD) instructions, and auto-SIMD support, to help improve the performance of your XL C/C++ applications

SIMD - Wikipedia

    https://en.wikipedia.org/wiki/SIMD
    SIMD within a register, or SWAR, is a range of techniques and tricks used for performing SIMD in general-purpose registers on hardware that doesn't provide any direct support for SIMD instructions. This can be used to exploit parallelism in certain algorithms …

BLAKE3/c at master · BLAKE3-team/BLAKE3 · GitHub

    https://github.com/BLAKE3-team/BLAKE3/tree/master/c
    Jan 29, 2020 · The implementation will query the CPU at runtime to detect SIMD support, and it will use the widest SIMD vectors the CPU supports. Each of the instruction-set-specific implementation files needs to be compiled with the corresponding instruction set explicitly enabled. Here's an example of building a shared library on Linux:



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