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NCM plays each Stockfish dev build 20,000 times against Stockfish 14. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.


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Commit ID 2ba47416cbdd5db2c7c79257072cd8675b61721f
Author Joost VandeVondele
Date 2018-01-01 12:17:51 UTC
Explicitly zero TT upon resize. as discussed in issue #1349, the way pages are allocated with calloc might imply some overhead on first write. This overhead can be large and slow down the first search after a TT resize significantly, especially for large TT. Using an explicit clear of the TT on resize fixes this problem. Not implemented, but possibly useful for large TT, is to do this zero-ing using all search threads. Not only would this be faster, it could also lead to a more favorable memory allocation on numa systems with a first touch policy. No functional change.
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