diff options
Diffstat (limited to 'src/lib/netlist/plib/pconfig.h')
-rw-r--r-- | src/lib/netlist/plib/pconfig.h | 43 |
1 files changed, 16 insertions, 27 deletions
diff --git a/src/lib/netlist/plib/pconfig.h b/src/lib/netlist/plib/pconfig.h index 48a7e740a8f..5c1582cdec8 100644 --- a/src/lib/netlist/plib/pconfig.h +++ b/src/lib/netlist/plib/pconfig.h @@ -12,9 +12,22 @@ #include <thread> #include <chrono> -#ifndef PSTANDALONE - #define PSTANDALONE (0) -#endif +/* + * Define this for more accurate measurements if you processor supports + * RDTSCP. + */ +#define PHAS_RDTSCP (1) + +/* + * Define this to use accurate timing measurements. Only works + * if PHAS_RDTSCP == 1 + */ +#define PUSE_ACCURATE_STATS (1) + +/* + * Set this to one if you want to use 128 bit int for ptime. + * This is for tests only. + */ #define PHAS_INT128 (0) @@ -75,30 +88,6 @@ typedef __int128_t INT128; namespace plib { -using ticks_t = int64_t; - -static inline ticks_t ticks() -{ - return std::chrono::high_resolution_clock::now().time_since_epoch().count(); -} -static inline ticks_t ticks_per_second() -{ - return std::chrono::high_resolution_clock::period::den / std::chrono::high_resolution_clock::period::num; -} - -#if defined(__x86_64__) && !defined(_clang__) && !defined(_MSC_VER) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 6)) - -static inline ticks_t profile_ticks() -{ - unsigned hi, lo; - __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi)); - return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 ); -} - -#else -static inline ticks_t profile_ticks() { return ticks(); } -#endif - /* * The following class was derived from the MAME delegate.h code. * It derives a pointer to a member function. |