Performance regression on AMD Ryzen 3XXX. - Githubissues

TheBlackPlague / StockNemo

A C# Chess Engine Finding Good Moves.

GNU Lesser General Public License v3.0

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Performance regression on AMD Ryzen 3XXX. #82

Open TheBlackPlague opened 2 years ago

TheBlackPlague commented 2 years ago

There is a constant performance regression on AMD Ryzen 3XXX CPUs. Speeds going below 900K NPS.

Note following bench command run on AMD Ryzen 3950X: 13214802 nodes 892333 nps.

Comparing this with i9-11900H: 13214802 nodes 1916950 nps.