Header-only sort example

[jwp3]

I believe the current best example of the sort usage is in bench_sort.cc. But what if I want to integrate the VQSort() function into an existing code? What would be the most effortless way to do this, e.g., with a header only approach (as in the vectorized sorting library by Bramas)?

[jan-wassenberg]

Hi, bench_sort and sort_test go through an extra Run() function, but yes, it boils down to a call to VQSort().

Highway is not quite header-only (#2114), hence some build system integration is required. If you are using CMake or Blaze, you can search CMakeLists.txt or BUILD for "examples/", which shows how to link against Highway. Note that contrib/sort has its own BUILD, whereas for CMake it is still handled by the main CMakeLists.txt.

Hope this helps :)

[jwp3]

Thanks for the help. I'm actually using standard make. I've tried building Highway using make install and then, in my code, linking Highway as -L/path/to/highway/lib64 --lhwy_contrib. However, this is probably not correct since I still get undefined reference compilation errors.

(Sorry, I'm still a bit of an amateur when it comes to this stuff)

[jan-wassenberg]

:) I think you'll also have to link against hwy itself, not just hwy_contrib. What are the undefined references?