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Diffstat (limited to 'src/prop/bvminisat/utils/System.h')
-rw-r--r-- | src/prop/bvminisat/utils/System.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/src/prop/bvminisat/utils/System.h b/src/prop/bvminisat/utils/System.h new file mode 100644 index 000000000..f9fe708bb --- /dev/null +++ b/src/prop/bvminisat/utils/System.h @@ -0,0 +1,60 @@ +/****************************************************************************************[System.h] +Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson +Copyright (c) 2007-2010, Niklas Sorensson + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and +associated documentation files (the "Software"), to deal in the Software without restriction, +including without limitation the rights to use, copy, modify, merge, publish, distribute, +sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or +substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT +NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT +OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +**************************************************************************************************/ + +#ifndef BVMinisat_System_h +#define BVMinisat_System_h + +#if defined(__linux__) +#include <fpu_control.h> +#endif + +#include "mtl/IntTypes.h" + +//------------------------------------------------------------------------------------------------- + +namespace BVMinisat { + +static inline double cpuTime(void); // CPU-time in seconds. +extern double memUsed(); // Memory in mega bytes (returns 0 for unsupported architectures). +extern double memUsedPeak(); // Peak-memory in mega bytes (returns 0 for unsupported architectures). + +} + +//------------------------------------------------------------------------------------------------- +// Implementation of inline functions: + +#if defined(_MSC_VER) || defined(__MINGW32__) +#include <time.h> + +static inline double Minisat::cpuTime(void) { return (double)clock() / CLOCKS_PER_SEC; } + +#else +#include <sys/time.h> +#include <sys/resource.h> +#include <unistd.h> + +static inline double BVMinisat::cpuTime(void) { + struct rusage ru; + getrusage(RUSAGE_SELF, &ru); + return (double)ru.ru_utime.tv_sec + (double)ru.ru_utime.tv_usec / 1000000; } + +#endif + +#endif |