xsimd

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How to cast xsimd::batch<uint8_t, 16> to xsimd::batch<uint32_t, 4>

5

Hi @JohanMabille @serge-sans-paille , Thank you for your time. In Arrow, I would like to cast xsimd::batch to xsimd::batch for operating some shared data buffer: ``` using simd_batch_8 = xsimd::batch;...

guyuqi

The tests for xsimd run on a number of platforms successfully but fail with XCode 12 on MacOSX: ``` 1: [ RUN ] error_gamma_test/sse_double.gamma 1: /Users/bdaci01/xsimd/test/test_error_gamma.cpp:134: Failure 1: Expected equality...

emmenlau

clang-cl fails with cmake 3.17.2

1

The azure-pipeline build pins cmake 3.14 to avoid failure when buiding with clang-cl. It seems that some options are not set correctly by cmake, this should be investigated so that...

JohanMabille

This issue tracks the progress on implementing shuffle functions in xsimd. The aproach is to implement different operations in dedicated functions (similar to what is done in [libscimdpp](https://p12tic.github.io/libsimdpp/v2.2-dev/libsimdpp/w/shuffle.html). If you...

JohanMabille

Unaligned access

9

This is working without xsimd: ``` auto another = xt::view(src, i - rows, xt::all()); auto current = xt::view(src, i, xt::all()); //output row view auto vr = xt::view(res, i, xt::all()); vr...

alexzk1

Fix aarch64 build in the CI

2

The build on linux aarch64 is currently disabled in the CI (because it fails) since #409 has been merged. It should be fixed and enabled again.

JohanMabille

Advanced SIMD vs NEON?

1

Dear all, thanks a lot for working on this great project! I would like to know what is really meant by ARM NEON support. The ARM vector extension has been...

dmikushin

Math functions for integral batches

2

A lot of mathematical functions from the STL convert their argument for integer to double and then rely on the overload for double ([remainder](https://en.cppreference.com/w/cpp/numeric/math/remainder), [nearbyint](https://en.cppreference.com/w/cpp/numeric/math/nearbyint), etc...). `xsimd` should follow the...

JohanMabille

Building the tests on AArch64 with the `ENABLE_XTL_COMPLEX` option enabled doesn't work for me: ``` $ cmake .. -DCMAKE_TOOLCHAIN_FILE= -DBUILD_TESTS=ON -DENABLE_XTL_COMPLEX=ON -DDOWNLOAD_GTEST=ON -DTARGET_ARCH=armv8-a -G Ninja $ ninja ./include/xsimd/types/xsimd_neon_complex.hpp: At global...

jcowgill

-m32 support for long int

7

see https://godbolt.org/z/7j7hVU for a minimal reproducer.

serge-sans-paille