add OpenMP version detection and info output (36ad48b2) · Commits · 郑智淋 / lammps

src/info.cpp

+35 −2

Original line number	Diff line number	Diff line
		@@ -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) {

src/info.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -42,6 +42,7 @@ class Info : protected Pointers {

		static char *get_os_info();
		static char *get_compiler_info();
		static const char *get_openmp_info();

		char **get_variable_names(int &num);

src/lammps.cpp

+1 −1

Original line number	Diff line number	Diff line
		@@ -1087,7 +1087,7 @@ void LAMMPS::print_config(FILE *fp)
		delete[] infobuf;

		infobuf = Info::get_compiler_info();
		fprintf(fp,"Compiler: %s\n\n",infobuf);
		fprintf(fp,"Compiler: %s with %s\n\n",infobuf,Info::get_openmp_info());
		delete[] infobuf;

		fputs("Active compile time flags:\n\n",fp);

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