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Abdelrahman Said
2026-06-28 13:49:01 +01:00
parent 0a9807e448
commit a11edf0c53
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references/igraph-1.0.1/tests/benchmarks/graphicality.c
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/*
igraph library.
Copyright (C) 2024 The igraph development team <igraph@igraph.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <igraph.h>
#include "bench.h"
#define TOSTR1(x) #x
#define TOSTR(x) TOSTR1(x)
#define BENCH_UNDIR(N, REP) \
do { \
igraph_barabasi_game(&graph, N, 1, 3, NULL, true, 0, IGRAPH_UNDIRECTED, IGRAPH_BARABASI_PSUMTREE, NULL); \
igraph_degree(&graph, &deg, igraph_vss_all(), IGRAPH_ALL, IGRAPH_LOOPS); \
igraph_destroy(&graph); \
\
BENCH("Undirected simple, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_SIMPLE_SW, &graphical), REP); \
); \
\
BENCH("Undirected loops, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_LOOPS_SW, &graphical), REP); \
); \
\
BENCH("Undirected multi, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_MULTI_SW, &graphical), REP); \
); \
\
BENCH("Undirected multi, loops, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_MULTI_SW | IGRAPH_LOOPS_SW, &graphical), 100); \
); \
\
igraph_erdos_renyi_game_gnp(&graph, N, 12.0/N, IGRAPH_UNDIRECTED, IGRAPH_LOOPS_SW, IGRAPH_EDGE_UNLABELED); \
igraph_degree(&graph, &deg, igraph_vss_all(), IGRAPH_ALL, IGRAPH_LOOPS); \
igraph_destroy(&graph); \
\
BENCH("Undirected simple, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_SIMPLE_SW, &graphical), REP); \
); \
\
BENCH("Undirected loops, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_LOOPS_SW, &graphical), REP); \
); \
\
BENCH("Undirected multi, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_MULTI_SW, &graphical), REP); \
); \
\
BENCH("Undirected multi, loops, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&deg, NULL, IGRAPH_MULTI_SW | IGRAPH_LOOPS_SW, &graphical), 100); \
); \
\
} while (0)
#define BENCH_DIR(N, REP) \
do { \
igraph_barabasi_game(&graph, N, 1, 3, NULL, true, 0, IGRAPH_DIRECTED, IGRAPH_BARABASI_PSUMTREE, NULL); \
igraph_degree(&graph, &outdeg, igraph_vss_all(), IGRAPH_OUT, IGRAPH_LOOPS); \
igraph_degree(&graph, &indeg, igraph_vss_all(), IGRAPH_IN, IGRAPH_LOOPS); \
igraph_destroy(&graph); \
\
BENCH("Directed simple, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_SIMPLE_SW, &graphical), REP); \
); \
\
BENCH("Directed loops, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_LOOPS_SW, &graphical), REP); \
); \
\
BENCH("Directed multi, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_MULTI_SW, &graphical), REP); \
); \
\
BENCH("Directed multi, loops, PA, n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_MULTI_SW | IGRAPH_LOOPS_SW, &graphical), REP); \
); \
\
igraph_erdos_renyi_game_gnp(&graph, N, 12.0/N, IGRAPH_DIRECTED, IGRAPH_LOOPS_SW, IGRAPH_EDGE_UNLABELED); \
igraph_degree(&graph, &outdeg, igraph_vss_all(), IGRAPH_OUT, IGRAPH_LOOPS); \
igraph_degree(&graph, &indeg, igraph_vss_all(), IGRAPH_IN, IGRAPH_LOOPS); \
igraph_destroy(&graph); \
\
BENCH("Directed simple, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_SIMPLE_SW, &graphical), REP); \
); \
\
BENCH("Directed loops, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_LOOPS_SW, &graphical), REP); \
); \
\
BENCH("Directed multi, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_MULTI_SW, &graphical), REP); \
); \
\
BENCH("Directed multi, loops, G(n,p), n = " TOSTR(N) ", " TOSTR(REP) "x", \
REPEAT(igraph_is_graphical(&outdeg, &indeg, IGRAPH_MULTI_SW | IGRAPH_LOOPS_SW, &graphical), REP); \
); \
\
} while (0)
int main(void) {
igraph_t graph;
igraph_vector_int_t deg, outdeg, indeg;
igraph_bool_t graphical;
BENCH_INIT();
igraph_rng_seed(igraph_rng_default(), 42);
igraph_vector_int_init(&deg, 0);
igraph_vector_int_init(&outdeg, 0);
igraph_vector_int_init(&indeg, 0);
BENCH_UNDIR(50, 2000000);
BENCH_DIR(50, 2000000);
printf("\n");
BENCH_UNDIR(1000, 100000);
BENCH_DIR(1000, 100000);
printf("\n");
BENCH_UNDIR(1000000, 100);
BENCH_DIR(1000000, 100);
igraph_vector_int_destroy(&deg);
igraph_vector_int_destroy(&outdeg);
igraph_vector_int_destroy(&indeg);
return 0;
}