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Let’s enjoy high performance programing with VE intrinsics.
Inastemp supports SX-Aurora Vector Engine
Inastemp, intrinsics as template, is a basic library to use vectorization easily in C++ thanks to template and Intrinsics. Now it supports vector intrinsics for Vector Engine provided by llvm-ve, in addition to intrinsics for X86 SSE/AVX/AVX512, PowerPC ALTIVEC, ARM SVE.
With inastemp, you can write highily vectorized code by using C++ template without writing intrinsics directory. It means that you don’t have to learn platform-specific intrinsics and your code runs on various platforms.
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Release LLVM-VE 1.5.0
We have released LLVM-VE 1.5.0. From this release we have shifted to the mono repo as the official LLVM. The compiler is idential with LLVM-VE 1.4.0.
It can be installed from ef_extra repository.
% yum install https://sx-aurora.com/repos/veos/ef_extra/x86_64/llvm-ve-link-1.5.0-1.x86_64.rpm \ https://sx-aurora.
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Release llvm-ve-1.3.0
We have released LLVM-VE 1.3.0. The rpm packages are avaible.
% yum install https://sx-aurora.com/repos/veos/ef_extra/x86_64/llvm-ve-link-1.3.0-1.x86_64.rpm \
https://sx-aurora.com/repos/veos/ef_extra/x86_64/llvm-ve-1.3.0-1.3.0-1.x86_64.rpmThis release adds some intrinsic functions.
_vel_andm_MMMl, etc_vel_insert/extract_vm512l/u_vel_approx_*_vel_pvfmk*
Full function list is available at https://sx-aurora-dev.github.io/velintrin.html.
LLVM-VE rpm package
As we mentioned in the past post, the rpm package for llvm-ve is now available on VEOS yum Repository on the Web.
You can install llvm-ve:
% yum install https://sx-aurora.com/repos/veos/ef_extra/x86_64/llvm-ve-1.1.0-1.1.0-1.x86_64.rpm \ https://sx-aurora.com/repos/veos/ef_extra/x86_64/llvm-ve-link-1.1.0-1.x86_64.rpm The llvm-ve package is all in one package that includes llvm, clang and runtimes. Files are installed into /opt/nec/nosupport/llvm-ve-1.1.0. The llvm-ve-link makes a symlink from /opt/nec/nosupport/llvm-ve to there.
You can compile your program like this.
% /opt/nec/nosupport/llvm-ve/bin/clang -target ve-linux hello.
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Release LLVM for VE
We have released LLVM for Vector Engine on GitHub. The llvm-ve has been proposed to the llvm-dev ML: [llvm-dev] [RFC] NEC SX-Aurora VE backend. As described in the proposal, current llvm-ve includes scalar code backend with intrisic functions for vector instructions. Auto vectorization is not yet supported. We welcome your contribution!
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