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agent_compositor_test/references/igraph-1.0.1/tests/benchmarks/igraph_rewire.c
T
Abdelrahman Said a11edf0c53 Add graph references
2026-06-28 13:49:01 +01:00

78 lines
2.2 KiB
C

/*
igraph library.
Copyright (C) 2025 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"
void bench(const char *name, igraph_t *graph, int rep) {
igraph_int_t vcount = igraph_vcount(graph);
igraph_int_t ecount = igraph_ecount(graph);
igraph_int_t trials = 10*ecount;
char msg[200];
snprintf(msg, sizeof(msg) / sizeof(msg[0]),
"%s, |V|=%6" IGRAPH_PRId ", |E|=%6" IGRAPH_PRId ", %6" IGRAPH_PRId " swaps, %dx",
name, vcount, ecount, trials, rep);
BENCH(msg, REPEAT(igraph_rewire(graph, trials, IGRAPH_SIMPLE_SW, NULL), rep));
}
void bench_er(igraph_int_t n, igraph_int_t m, int rep) {
igraph_t graph;
igraph_erdos_renyi_game_gnm(&graph, n, m, IGRAPH_UNDIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
bench("G(n,m)", &graph, rep);
igraph_destroy(&graph);
}
void bench_ba(igraph_int_t n, igraph_int_t m, int rep) {
igraph_t graph;
igraph_barabasi_game(&graph, n, 1, m ,NULL, true, 1, IGRAPH_UNDIRECTED, IGRAPH_BARABASI_BAG, NULL);
bench("BA", &graph, rep);
igraph_destroy(&graph);
}
int main(void) {
igraph_rng_seed(igraph_rng_default(), 137);
BENCH_INIT();
bench_er(100, 3000, 100);
bench_er(300, 3000, 100);
bench_er(1000, 3000, 100);
bench_er(3000, 3000, 100);
bench_er(10000, 3000, 100);
printf("\n");
bench_er(300, 30000, 10);
bench_er(1000, 30000, 10);
bench_er(3000, 30000, 10);
bench_er(10000, 30000, 10);
printf("\n");
bench_ba(1000, 3, 100);
bench_ba(10000, 3, 10);
bench_ba(100000, 3, 1);
return 0;
}