2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
21 * @file testing/per_transport_ats.c
22 * @brief testcase for ats functionality
25 #include "gnunet_time_lib.h"
31 #define VERBOSE GNUNET_NO
37 static int executions = EXECS;
38 static uint64_t exec_time[EXECS];
40 static uint64_t sim_no_opt_avg;
41 static uint64_t sim_with_opt_avg;
42 static uint64_t mlp_no_opt_avg;
43 static uint64_t mlp_with_opt_avg;
45 static glp_prob * prob;
47 static struct GNUNET_TIME_Absolute start;
48 static struct GNUNET_TIME_Absolute end;
51 void solve_mlp(int presolve)
56 glp_init_iocp(&opt_mlp);
57 opt_mlp.msg_lev = GLP_MSG_OFF;
58 opt_mlp.presolve = GLP_OFF;
60 result = glp_intopt (prob, &opt_mlp);
61 solution = glp_mip_status (prob);
62 GNUNET_assert ((solution == 5) && (result==0));
65 void solve_lp(int presolve)
70 glp_init_smcp(&opt_lp);
72 opt_lp.msg_lev = GLP_MSG_OFF;
73 if (presolve==GNUNET_YES) opt_lp.presolve = GLP_ON;
74 else opt_lp.presolve = GLP_OFF;
76 result = glp_simplex(prob, &opt_lp);
77 solution = glp_get_status (prob);
78 GNUNET_assert ((solution == 5) && (result==0));
81 /* Modify quality constraint */
82 void modify_qm(int start, int length, int values_to_change)
84 //int * ind = GNUNET_malloc (length * sizeof (int));
85 //double *val = GNUNET_malloc (length * sizeof (double));
91 while (c<=(start+values_to_change))
93 res = glp_get_mat_row(prob, c, ind, val);
95 printf("%i %i \n", c, res);
96 for (c2=0; c2<res; c2++)
98 printf("%i = %f \n", ind[c2], val[c2]);
103 //glp_set_mat_row(prob, start, length, ind, val);
108 void bench_simplex_optimization(char * file, int executions)
112 prob = glp_create_prob();
113 glp_read_lp(prob, NULL, file);
115 solve_lp(GNUNET_YES);
117 for (c=0; c<executions;c++)
119 start = GNUNET_TIME_absolute_get();
121 end = GNUNET_TIME_absolute_get();
123 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
125 sim_with_opt_avg += exec_time[c];
126 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Simplex /w optimization iterations %i: %llu \n", c, exec_time[c]);
129 glp_delete_prob(prob);
133 void bench_simplex_no_optimization(char * file, int executions)
137 prob = glp_create_prob();
138 glp_read_lp(prob, NULL, file);
140 for (c=0; c<executions;c++)
142 start = GNUNET_TIME_absolute_get();
143 solve_lp(GNUNET_YES);
144 end = GNUNET_TIME_absolute_get();
146 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
148 sim_no_opt_avg += exec_time[c];
149 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Simplex iterations %i: %llu \n", c, exec_time[c]);
152 glp_delete_prob(prob);
155 void bench_mlp_no_optimization(char * file, int executions)
159 prob = glp_create_prob();
160 glp_read_lp(prob, NULL, file);
162 for (c=0; c<executions;c++)
164 start = GNUNET_TIME_absolute_get();
165 solve_lp(GNUNET_YES);
166 solve_mlp (GNUNET_NO);
167 end = GNUNET_TIME_absolute_get();
169 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
171 mlp_no_opt_avg += exec_time[c];
172 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MLP iterations no optimization %i: %llu \n", c, exec_time[c]);
175 glp_delete_prob(prob);
179 void bench_mlp_with_optimization(char * file, int executions, int changes)
182 prob = glp_create_prob();
183 glp_read_lp(prob, NULL, file);
185 solve_lp(GNUNET_YES);
187 for (c=0; c<executions;c++)
189 start = GNUNET_TIME_absolute_get();
190 //modify_qm(906, 0, 0);
192 solve_mlp (GNUNET_NO);
193 end = GNUNET_TIME_absolute_get();
195 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
197 mlp_with_opt_avg += exec_time[c];
198 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "MLP /w optimization iterations %i: %llu \n", c, exec_time[c]);
201 glp_delete_prob(prob);
205 void modify_cr (int start, int length, int count)
207 //int * ind = GNUNET_malloc (length * sizeof (int));
208 //double *val = GNUNET_malloc (length * sizeof (double));
213 while (c<=(start+count))
215 res = glp_get_mat_row(prob, c, ind, val);
217 printf("row index: %i non-zero elements: %i \n", c, res);
218 for (c2=1; c2<=res; c2++)
220 printf("%i = %f ", ind[c2], val[c2]);
225 //glp_set_mat_row(prob, start, length, ind, val);
230 int main (int argc, char *argv[])
233 GNUNET_log_setup ("perf-transport-ats",
242 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed, exiting testcase\n");
247 int nullfd = OPEN ("/dev/null", O_RDWR | O_APPEND);
249 return GNUNET_SYSERR;
250 /* set stdin/stdout to /dev/null */
252 if (/*(dup2 (nullfd, 0) < 0) || */(dup2 (nullfd, 1) < 0))
254 GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "dup2");
255 (void) CLOSE (nullfd);
256 return GNUNET_SYSERR;
260 char * file = "ats_mlp_p100_m400.problem";
262 bench_simplex_no_optimization (file, executions);
263 bench_simplex_optimization (file, executions);
264 bench_mlp_no_optimization (file, executions);
265 bench_mlp_with_optimization (file, executions, 0);
268 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
269 "Simplex, no optimization, average per address: %f\n",
270 ((double) sim_no_opt_avg / EXECS) / 400);
271 GAUGER ("TRANSPORT","GLPK simplex no optimization",
272 ((double) sim_no_opt_avg / EXECS) / 400, "ms/address");
274 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
275 "Simplex, with optimization, average per address: %f\n",
276 ((double) sim_with_opt_avg / EXECS) / 400);
278 "GLPK simplex, 100 peers 400 addresses with optimization",
279 ((double) sim_with_opt_avg / EXECS) / 400, "ms/address");
281 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
282 "MLP no optimization average per address: %f\n",
283 ((double) mlp_no_opt_avg / EXECS) / 400);
284 GAUGER ("TRANSPORT","GLPK MLP 100 peers 400 addresses no optimization",
285 ((double) mlp_no_opt_avg / EXECS) / 400, "ms/address");
287 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
288 "MLP optimization average per address: %f\n",
289 ((double) mlp_with_opt_avg/ EXECS) / 400);
291 "GLPK MLP 100 peers 400 addresses with optimization",
292 ((double) mlp_with_opt_avg / EXECS) / 400, "ms/address");
295 (void) CLOSE (nullfd);
299 /* end of per_transport_ats.c*/