Retire cpu_count()

[stockfish] / src / ucioption.cpp

diff --git a/src/ucioption.cpp b/src/ucioption.cpp
index 5cc0de563df524f82bf56276f2a1528e7249201d..384d9317b98f3325055b7c649512c7fbdb1f9481 100644 (file)
--- a/src/ucioption.cpp
+++ b/src/ucioption.cpp
@@ -51,14 +51,9 @@ bool CaseInsensitiveLess::operator() (const string& s1, const string& s2) const
 
 
 /// init() initializes the UCI options to their hard coded default values
-/// and initializes the default value of "Threads" and "Min Split Depth"
-/// parameters according to the number of CPU cores detected.
 
 void init(OptionsMap& o) {
 
-  int cpus = std::min(cpu_count(), MAX_THREADS);
-  int msd = cpus < 8 ? 4 : 7;
-
   o["Write Debug Log"]             = Option(false, on_logger);
   o["Write Search Log"]            = Option(false);
   o["Search Log Filename"]         = Option("SearchLog.txt");
@@ -74,9 +69,9 @@ void init(OptionsMap& o) {
   o["Space"]                       = Option(100, 0, 200, on_eval);
   o["Aggressiveness"]              = Option(100, 0, 200, on_eval);
   o["Cowardice"]                   = Option(100, 0, 200, on_eval);
-  o["Min Split Depth"]             = Option(msd, 4, 12, on_threads);
-  o["Max Threads per Split Point"] = Option(5, 4, 8, on_threads);
-  o["Threads"]                     = Option(cpus, 1, MAX_THREADS, on_threads);
+  o["Min Split Depth"]             = Option(0, 0, 12, on_threads);
+  o["Max Threads per Split Point"] = Option(5, 4,  8, on_threads);
+  o["Threads"]                     = Option(1, 1, MAX_THREADS, on_threads);
   o["Idle Threads Sleep"]          = Option(true);
   o["Hash"]                        = Option(32, 1, 8192, on_hash_size);
   o["Clear Hash"]                  = Option(on_clear_hash);