libsc
1.6.0
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00001 /* 00002 This file is part of the SC Library. 00003 The SC Library provides support for parallel scientific applications. 00004 00005 Copyright (C) 2010 The University of Texas System 00006 00007 The SC Library is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU Lesser General Public 00009 License as published by the Free Software Foundation; either 00010 version 2.1 of the License, or (at your option) any later version. 00011 00012 The SC Library is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 Lesser General Public License for more details. 00016 00017 You should have received a copy of the GNU Lesser General Public 00018 License along with the SC Library; if not, write to the Free Software 00019 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 00020 02110-1301, USA. 00021 */ 00022 00023 #ifndef SC_FLOPS_H 00024 #define SC_FLOPS_H 00025 00026 #include <sc.h> 00027 00028 SC_EXTERN_C_BEGIN; 00029 00030 typedef struct sc_flopinfo 00031 { 00032 double seconds; /* current time from sc_MPI_Wtime */ 00033 00034 /* these variables measure onward from from sc_flops_start */ 00035 double cwtime; /* cumulative wall time */ 00036 float crtime; /* cumulative real time */ 00037 float cptime; /* cumulative process time */ 00038 long long cflpops; /* cumulative floating point operations */ 00039 00040 /* measure since sc_flops_start or the previous sc_flops_count */ 00041 double iwtime; /* interval wall time */ 00042 float irtime; /* interval real time */ 00043 float iptime; /* interval process time */ 00044 long long iflpops; /* interval floating point operations */ 00045 float mflops; /* MFlop/s rate in this interval */ 00046 00047 /* without SC_PAPI only seconds, ?wtime and ?rtime are meaningful */ 00048 } 00049 sc_flopinfo_t; 00050 00057 void sc_flops_papi (float *rtime, float *ptime, 00058 long long *flpops, float *mflops); 00059 00067 void sc_flops_start (sc_flopinfo_t * fi); 00068 00077 void sc_flops_count (sc_flopinfo_t * fi); 00078 00085 void sc_flops_snap (sc_flopinfo_t * fi, 00086 sc_flopinfo_t * snapshot); 00087 00097 void sc_flops_shot (sc_flopinfo_t * fi, 00098 sc_flopinfo_t * snapshot); 00099 00104 void sc_flops_shotv (sc_flopinfo_t * fi, ...); 00105 00106 SC_EXTERN_C_END; 00107 00108 #endif /* !SC_FLOPS_H */