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DroidFish: Updated stockfish engine to version 4.

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This commit is contained in:
Peter Osterlund
2013-08-20 18:02:33 +00:00
parent 96a8ec79ac
commit bfc5782f52
41 changed files with 1477 additions and 1673 deletions
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61
DroidFish/jni/stockfish/misc.cpp
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@@ -24,17 +24,11 @@
#include "misc.h"
#include "thread.h"
#if defined(__hpux)
# include <sys/pstat.h>
#endif
using namespace std;
/// Version number. If Version is left empty, then Tag plus current
/// date, in the format DD-MM-YY, are used as a version number.
static const string Version = "3";
static const string Tag = "";
/// Version number. If Version is left empty, then compile date, in the
/// format DD-MM-YY, is shown in engine_info.
static const string Version = "4";
/// engine_info() returns the full name of the current Stockfish version. This
@@ -45,36 +39,26 @@ static const string Tag = "";
const string engine_info(bool to_uci) {
const string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");
const string cpu64(Is64Bit ? " 64bit" : "");
const string popcnt(HasPopCnt ? " SSE4.2" : "");
string month, day, year;
stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"
s << "Stockfish " << Version;
s << "Stockfish " << Version << setfill('0');
if (Version.empty())
{
date >> month >> day >> year;
s << Tag << string(Tag.empty() ? "" : " ") << setfill('0') << setw(2) << day
<< "-" << setw(2) << (1 + months.find(month) / 4) << "-" << year.substr(2);
s << setw(2) << day << setw(2) << (1 + months.find(month) / 4) << year.substr(2);
}
s << cpu64 << popcnt << (to_uci ? "\nid author ": " by ")
s << (Is64Bit ? " 64" : "")
<< (HasPopCnt ? " SSE4.2" : "")
<< (to_uci ? "\nid author ": " by ")
<< "Tord Romstad, Marco Costalba and Joona Kiiski";
return s.str();
}
/// Convert system time to milliseconds. That's all we need.
Time::point Time::now() {
sys_time_t t; system_time(&t); return time_to_msec(t);
}
/// Debug functions used mainly to collect run-time statistics
static uint64_t hits[2], means[2];
@@ -174,37 +158,12 @@ std::ostream& operator<<(std::ostream& os, SyncCout sc) {
void start_logger(bool b) { Logger::start(b); }
/// cpu_count() tries to detect the number of CPU cores
int cpu_count() {
#if defined(_WIN32) || defined(_WIN64)
SYSTEM_INFO s;
GetSystemInfo(&s);
return s.dwNumberOfProcessors;
#else
# if defined(_SC_NPROCESSORS_ONLN)
return sysconf(_SC_NPROCESSORS_ONLN);
# elif defined(__hpux)
struct pst_dynamic psd;
if (pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0) == -1)
return 1;
return psd.psd_proc_cnt;
# else
return 1;
# endif
#endif
}
/// timed_wait() waits for msec milliseconds. It is mainly an helper to wrap
/// conversion from milliseconds to struct timespec, as used by pthreads.
void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) {
#if defined(_WIN32) || defined(_WIN64)
#ifdef _WIN32
int tm = msec;
#else
timespec ts, *tm = &ts;
@@ -221,7 +180,7 @@ void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) {
/// prefetch() preloads the given address in L1/L2 cache. This is a non
/// blocking function and do not stalls the CPU waiting for data to be
/// loaded from memory, that can be quite slow.
#if defined(NO_PREFETCH)
#ifdef NO_PREFETCH
void prefetch(char*) {}