assert(!dbg_show_mean);

dbg_show_hit_rate = true;

dbg_cnt0++;

if (b)

dbg_cnt1++;

if (c)

dbg_hit_on(b);

assert(!dbg_show_mean);

dbg_show_hit_rate = true;

dbg_cnt0++;

assert(!dbg_show_mean);

dbg_show_hit_rate = true;

dbg_cnt1++;

assert(!dbg_show_hit_rate);

dbg_show_mean = true;

dbg_cnt0++;

dbg_cnt1 += v;

cout << "Total " << dbg_cnt0 << " Hit " << dbg_cnt1

<< " hit rate (%) " << (dbg_cnt1*100)/(dbg_cnt0 ? dbg_cnt0 : 1) << endl;

cout << "Total " << dbg_cnt0 << " Mean "

<< (float)dbg_cnt1 / (dbg_cnt0 ? dbg_cnt0 : 1) << endl;

const string months("Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec");

const string cpu64(CpuIs64Bit ? " 64bit" : "");

if (!EngineVersion.empty())

return AppName + " " + EngineVersion + cpu64;

stringstream s, date(__DATE__); // From compiler, format is "Sep 21 2008"

string month, day, year;

date >> month >> day >> year;

s << setfill('0') << AppName + " " + AppTag + " "

<< year.substr(2, 2) << setw(2)

<< (1 + months.find(month) / 4) << setw(2)

<< day << cpu64;

return s.str();

#if defined(_MSC_VER)

struct _timeb t;

_ftime(&t);

return int(t.time*1000 + t.millitm);

#else

struct timeval t;

gettimeofday(&t, NULL);

return t.tv_sec*1000 + t.tv_usec/1000;

#endif

struct pst_dynamic psd;

if (pstat_getdynamic(&psd, sizeof(psd), (size_t)1, 0) == -1)

return 1;

return Min(psd.psd_proc_cnt, MAX_THREADS);

SYSTEM_INFO s;

GetSystemInfo(&s);

return Min(s.dwNumberOfProcessors, MAX_THREADS);

{

fd_set readfds;

struct timeval timeout;

FD_ZERO(&readfds);

FD_SET(fileno(stdin), &readfds);

timeout.tv_sec = 0; // Set to timeout immediately

timeout.tv_usec = 0;

select(16, &readfds, 0, 0, &timeout);

return (FD_ISSET(fileno(stdin), &readfds));

{

static HANDLE inh = NULL;

static bool usePipe;

INPUT_RECORD rec[256];

DWORD dw, recCnt;

if (!inh)

{

inh = GetStdHandle(STD_INPUT_HANDLE);

usePipe = !GetConsoleMode(inh, &dw);

if (!usePipe)

{

SetConsoleMode(inh, dw & ~(ENABLE_MOUSE_INPUT | ENABLE_WINDOW_INPUT));

FlushConsoleInputBuffer(inh);

}

}

// If we're running under XBoard then we can't use PeekConsoleInput() as

// the input commands are sent to us directly over the internal pipe.

if (usePipe)

return PeekNamedPipe(inh, NULL, 0, NULL, &dw, NULL) ? dw : 1;

// Count the number of unread input records, including keyboard,

// mouse, and window-resizing input records.

GetNumberOfConsoleInputEvents(inh, &dw);

// Read data from console without removing it from the buffer

if (dw <= 0 || !PeekConsoleInput(inh, rec, Min(dw, 256), &recCnt))

return 0;

// Search for at least one keyboard event

for (DWORD i = 0; i < recCnt; i++)

if (rec[i].EventType == KEY_EVENT)

return 1;

return 0;

#if defined(__INTEL_COMPILER) || defined(__ICL)

// This hack prevents prefetches to be optimized away by

// Intel compiler. Both MSVC and gcc seems not affected.

__asm__ ("");

#endif

_mm_prefetch(addr, _MM_HINT_T2);

_mm_prefetch(addr+64, _MM_HINT_T2); // 64 bytes ahead