But that was apparently not enough for Stockfish 8 in long time control matches - Houdini 5 lost the 100 game Superfinal with 45½ - 54½. The final release version of Houdini 5 is about 30 Elo stronger than the engine that played in the TCEC tournament so far. Houdini 5 Pro supports up to 128 threads, up to 128 GiB of hash memory, large memory pages, NUMA-architecture, and Nalimov tablebases to find the shortest path to mate.Ī development version of Houdini 5 qualified for TCEC Season 9 Superfinal, and even won the TCEC Season 9 Rapid tournament. It has a completely rewritten evaluation with more aggressive king safety and sophisticated piece mobility, features a more selective search, exploring critical variations significantly deeper, and for hardware with multiple processors, Lazy SMP. Released about three years after the previous version, in November 2016, Houdini 5 is vastly improved being about 200 Elo stronger than Houdini 4. Houdini 4, released in November 2013, was about 50 Elo stronger than its predecessor, and features 6-men Syzygy bases. Since November 2012, Houdini 3 is available as ChessBase engine. If a different move becomes best at very high search depths at the root, re-searches to determine its exact score and the new principal variation are done faster due to a reduced search depth, presumably in conjunction with extensions along the PV. According to its author, Houdini 3 applies a accelerated principal variation search, also dubbed "Smart" Fail-High. Houdini 3, released in October 2012, has further improved by more than 50 Elo points. Houdini 1.5a remains available as a free download. Houdini 2, released in September 2011, is commercial and bundled with a number of ChessOK products, such as Aquarium, Chess Assistant, and since December 2011, Chess King. In January 2011, Houdini 1.5 was leading Ingo Bauer's IPON rating list. A chess engine by Robert Houdart, which appeared in 2010 as closed source engine, free for non-commercial use.
cpp : 516 : 20 : error : ‘ MEM_RELEASE ’ was not declared in this scopeĥ16 | VirtualFree ( p, 0, MEM_RELEASE ) cpp : In function ‘ void free_large_page_mem ( void *)’: cpp : 502 : 12 : error : ‘ VirtualAlloc ’ was not declared in this scope cpp : 502 : 63 : error : ‘ PAGE_READWRITE ’ was not declared in this scope
cpp : 502 : 50 : error : ‘ MEM_RESERVE ’ was not declared in this scope cpp : 502 : 37 : error : ‘ MEM_COMMIT ’ was not declared in this scopeĥ02 | result = VirtualAlloc ( NULL, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE ) cpp : In function ‘ void * alloc_large_page_mem ( size_t, bool *, bool, int )’: G ++ - Wall - Wcast - qual - fno - exceptions - pedantic - Wextra - Wshadow - m64 - DNDEBUG - O3 - DIS_64BIT - msse - msse3 - mpopcnt - DUSE_POPCNT - flto - fno - rtti - std = c ++ 11 - c - o zoek_smp.
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