X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fmisc.cpp;h=1e1b220cb533da6cbee0319dcf6f56c66c327c3e;hb=d77d555c72df7045901826e95bc012a0d77ca835;hp=75a294a1c1a182c0487c8773129d4b2dc8a160cb;hpb=5900ab76a05b96f902fd3fc2794670916a7cb0ea;p=stockfish diff --git a/src/misc.cpp b/src/misc.cpp index 75a294a1..1e1b220c 100644 --- a/src/misc.cpp +++ b/src/misc.cpp @@ -68,6 +68,13 @@ const string engine_info(bool to_uci) { } +/// 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]; @@ -201,7 +208,7 @@ void timed_wait(WaitCondition& sleepCond, Lock& sleepLock, int msec) { int tm = msec; #else timespec ts, *tm = &ts; - uint64_t ms = Time::now().msec() + msec; + uint64_t ms = Time::now() + msec; ts.tv_sec = ms / 1000; ts.tv_nsec = (ms % 1000) * 1000000LL; @@ -220,7 +227,9 @@ void prefetch(char*) {} #else +# if defined(__INTEL_COMPILER) || defined(__ICL) || defined(_MSC_VER) # include +# endif void prefetch(char* addr) { @@ -230,8 +239,13 @@ void prefetch(char* addr) { __asm__ (""); # endif +# if defined(__INTEL_COMPILER) || defined(__ICL) || defined(_MSC_VER) _mm_prefetch(addr, _MM_HINT_T2); _mm_prefetch(addr+64, _MM_HINT_T2); // 64 bytes ahead +# else + __builtin_prefetch(addr); + __builtin_prefetch(addr+64); +# endif } #endif