I found a new test suite called «Stockfish Test Suite 2021» (STS) in this German forum. The test is a compilation/extract of 20+ more or less well know test suites and contains 238 positions which were not solved by cfish on the author’s older computer. The epd-file is here: Stockfish-Test-Suite-2021
Maybe I was too stupid or not that involved in chess engine testing, but only after some small research in the source code of Stockfish 13 I figured out how to do the benchmark with more than one thread:
if available in the engine, some simple benchmarks using the command line, e.g.