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add OpenMP version detection and info output

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This commit is contained in:
Axel Kohlmeyer
2019-02-12 11:28:52 -05:00
parent eb8a6512e2
commit 36ad48b259
3 changed files with 37 additions and 3 deletions
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37
src/info.cpp
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@ -263,7 +263,7 @@ void Info::command(int narg, char **arg)
fprintf(out,"\nLAMMPS version: %s / %s\n\n",
universe->version, universe->num_ver);
char *infobuf = get_os_info();
const char *infobuf = get_os_info();
fprintf(out,"OS information: %s\n\n",infobuf);
delete[] infobuf;
@ -273,7 +273,7 @@ void Info::command(int narg, char **arg)
fprintf(out,"sizeof(bigint): %3d-bit\n",(int)sizeof(bigint)*8);
infobuf = get_compiler_info();
fprintf(out,"\nCompiler: %s\n",infobuf);
fprintf(out,"\nCompiler: %s with %s\n",infobuf,get_openmp_info());
delete[] infobuf;
fputs("\nActive compile time flags:\n\n",out);
@ -1150,6 +1150,39 @@ char *Info::get_compiler_info()
return buf;
}
const char *Info::get_openmp_info()
{
#if !defined(_OPENMP)
return (const char *)"OpenMP not enabled";
#else
// Supported OpenMP version corresponds to the release date of the
// specifications as posted at https://www.openmp.org/specifications/
#if _OPENMP > 201811
return (const char *)"OpenMP newer than v5.0";
#if _OPENMP == 201811
return (const char *)"OpenMP v5.0 or newer";
#elif _OPENMP == 201511
return (const char *)"OpenMP v4.5";
#elif _OPENMP == 201307
return (const char *)"OpenMP v4.0";
#elif _OPENMP == 201107
return (const char *)"OpenMP v3.1";
#elif _OPENMP == 200805
return (const char *)"OpenMP v3.0";
#elif _OPENMP == 200505
return (const char *)"OpenMP v2.5";
#elif _OPENMP == 200203
return (const char *)"OpenMP v2.0";
#else
return (const char *)"unknown OpenMP version";
#endif
#endif
}
/* ---------------------------------------------------------------------- */
char **Info::get_variable_names(int &num) {