Changelog — 2021

Main page

• 2021-12-22

  • Bit test and reset vs compilers

• 2021-03-11

  • How to check if any word is zero — I was curious what neat tricks compilers do use for condition like (a == 0 or b == 0 or c ==0). They do not offery anything fancy.

• 2021-02-17

  • Autovectorization status in MSVC in 2021

• 2021-02-15

  • Selection of my best nature photos from 2020 — something completely different this time. Some people may enjoy these pictures.

• 2021-02-14

  • Counting byte in byte stream with AVX512BW instructions

• 2021-02-02

  • How to detect if all bytes in SIMD register are the same?

• 2021-02-02

  • Autovectorization status in GCC & Clang in 2021

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