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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_BLOCK() \
BENCH(" 1 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=3, all, " TOSTR(REP) "x", \
REPEAT(igraph_ecc(&g, &ecc, igraph_ess_all(IGRAPH_EDGEORDER_ID), 3, false, true), REP); \
); \
BENCH(" 2 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=3, subset: all, " TOSTR(REP) "x", \
REPEAT(igraph_ecc(&g, &ecc, igraph_ess_range(0, igraph_ecount(&g)), 3, false, true), REP); \
); \
\
igraph_random_sample(&eids, 0, igraph_ecount(&g)-1, SS); \
\
BENCH(" 3 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=3, subset: " TOSTR(SS) ", " TOSTR(SREP) "x", \
REPEAT(igraph_ecc(&g, &ecc, igraph_ess_vector(&eids), 3, false, true), SREP); \
); \
\
BENCH(" 4 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=4, all, " TOSTR(REP) "x", \
REPEAT(igraph_ecc(&g, &ecc, igraph_ess_all(IGRAPH_EDGEORDER_ID), 4, false, true), REP); \
); \
\
BENCH(" 4 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=4, subset: all, " TOSTR(REP) "x", \
REPEAT(igraph_ecc(&g, &ecc, igraph_ess_range(0, igraph_ecount(&g)), 4, false, true), REP); \
); \
BENCH(" 5 vc=" TOSTR(VCOUNT) ", ec=" TOSTR(ECOUNT) ", k=4, subset: " TOSTR(SS) ", " TOSTR(SREP) "x", \
REPEAT(igraph_ecc(&g, &ecc, igraph_ess_vector(&eids), 4, false, true), SREP); \
);
int main(void) {
igraph_t g;
igraph_vector_t ecc;
igraph_vector_int_t eids;
igraph_rng_seed(igraph_rng_default(), 137);
BENCH_INIT();
igraph_vector_init(&ecc, 0);
igraph_vector_int_init(&eids, 0);
printf("Erdos-Renyi GNM:\n\n");
#define VCOUNT 100
#define ECOUNT 5000
#define REP 100
#define SS 100
#define SREP 1000
igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
igraph_vector_resize(&ecc, igraph_ecount(&g));
BENCH_BLOCK()
igraph_destroy(&g);
#undef VCOUNT
#undef ECOUNT
#undef REP
#undef SS
#undef SREP
printf("\n");
#define VCOUNT 1000
#define ECOUNT 5000
#define REP 100
#define SS 100
#define SREP 1000
igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
igraph_vector_resize(&ecc, igraph_ecount(&g));
BENCH_BLOCK()
igraph_destroy(&g);
#undef VCOUNT
#undef ECOUNT
#undef REP
#undef SS
#undef SREP
printf("\n");
#define VCOUNT 10000
#define ECOUNT 10000
#define REP 100
#define SS 100
#define SREP 1000
igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
igraph_vector_resize(&ecc, igraph_ecount(&g));
BENCH_BLOCK()
igraph_destroy(&g);
#undef VCOUNT
#undef ECOUNT
#undef REP
#undef SS
#undef SREP
printf("\n");
#define VCOUNT 10000
#define ECOUNT 50000
#define REP 100
#define SS 100
#define SREP 1000
igraph_erdos_renyi_game_gnm(&g, VCOUNT, ECOUNT, IGRAPH_DIRECTED, IGRAPH_SIMPLE_SW, IGRAPH_EDGE_UNLABELED);
igraph_vector_resize(&ecc, igraph_ecount(&g));
BENCH_BLOCK()
igraph_destroy(&g);
#undef VCOUNT
#undef ECOUNT
#undef REP
#undef SS
#undef SREP
printf("\n");
#define VCOUNT 10000
#define ECOUNT 50000
#define REP 100
#define SS 100
#define SREP 1000
printf("Barabasi:\n\n");
igraph_barabasi_game(&g,
VCOUNT, 1, ECOUNT / VCOUNT, NULL, true, 0,
IGRAPH_UNDIRECTED, IGRAPH_BARABASI_PSUMTREE_MULTIPLE, NULL);
igraph_vector_resize(&ecc, igraph_ecount(&g));
BENCH_BLOCK()
igraph_destroy(&g);
#undef VCOUNT
#undef ECOUNT
#undef REP
#undef SS
#undef SREP
igraph_vector_int_destroy(&eids);
igraph_vector_destroy(&ecc);
return 0;
}
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