I can’t reproduce.
7.244 ms (0 allocations: 0 bytes) OpenBLAS
4.748 ms (0 allocations: 0 bytes) MKL (0.5.0)
On an 11 days old Julia 1.8.0-DEV with Intel CPU:
Julia Version 1.8.0-DEV.1572
Commit 7889b2a6a2 (2022-02-16 21:17 UTC)
Platform Info:
OS: Windows (x86_64-w64-mingw32)
CPU: 8 × Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz
WORD_SIZE: 64
LIBM: libopenlibm
LLVM: libLLVM-13.0.1 (ORCJIT, haswell)
Threads: 8 on 8 virtual cores