The next generation of AMD’s high-end desktop (HEDT) processors, the Ryzen Threadripper 9000 Series, goes on sale July 31.

Although no models have been confirmed as of yet, the suggested models include a 96-core/192-thread Threadripper 995WX Pro model with a 350W TDP, a 64-core/128-thread 9985WX Pro, and 32-core 9975WX.

Reduction algorithms are an example that may involve several threads computing a single result. There are at least two ways of implementing these two tools, and both have a cost. “Sometimes what ...