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;
52 void solve_mlp(int presolve)
57 glp_init_iocp(&opt_mlp);
58 opt_mlp.msg_lev = GLP_MSG_OFF;
59 opt_mlp.presolve = GLP_OFF;
61 result = glp_intopt (prob, &opt_mlp);
62 solution = glp_mip_status (prob);
63 GNUNET_assert ((solution == 5) && (result==0));
66 void solve_lp(int presolve)
72 glp_init_smcp(&opt_lp);
74 opt_lp.msg_lev = GLP_MSG_OFF;
75 if (presolve==GNUNET_YES) opt_lp.presolve = GLP_ON;
76 else opt_lp.presolve = GLP_OFF;
78 result = glp_simplex(prob, &opt_lp);
79 solution = glp_get_status (prob);
80 GNUNET_assert ((solution == 5) && (result==0));
83 /* Modify quality constraint */
84 void modify_qm(int start, int length, int values_to_change)
86 //int * ind = GNUNET_malloc (length * sizeof (int));
87 //double *val = GNUNET_malloc (length * sizeof (double));
93 while (c<=(start+values_to_change))
95 res = glp_get_mat_row(prob, c, ind, val);
97 printf("%i %i \n", c, res);
98 for (c2=0; c2<res; c2++)
100 printf("%i = %f \n", ind[c2], val[c2]);
104 //glp_set_mat_row(prob, start, length, ind, val);
109 void bench_simplex_optimization(char * file, int executions)
114 prob = glp_create_prob();
115 res = glp_read_lp(prob, NULL, file);
118 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
119 "Problem file `%s' not found\n", file);
124 solve_lp(GNUNET_YES);
126 for (c=0; c<executions;c++)
128 start = GNUNET_TIME_absolute_get();
130 end = GNUNET_TIME_absolute_get();
132 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
134 sim_with_opt_avg += exec_time[c];
135 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
136 "Simplex /w optimization iterations %i: %llu \n", c, exec_time[c]);
139 glp_delete_prob(prob);
143 void bench_simplex_no_optimization(char * file, int executions)
148 prob = glp_create_prob();
149 res = glp_read_lp(prob, NULL, file);
152 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
153 "Problem file `%s' not found\n", file);
158 for (c=0; c<executions;c++)
160 start = GNUNET_TIME_absolute_get();
161 solve_lp(GNUNET_YES);
162 end = GNUNET_TIME_absolute_get();
164 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
166 sim_no_opt_avg += exec_time[c];
167 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
168 "Simplex iterations %i: %llu \n",
172 glp_delete_prob(prob);
175 void bench_mlp_no_optimization(char * file, int executions)
180 prob = glp_create_prob();
181 res = glp_read_lp(prob, NULL, file);
184 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
185 "Problem file `%s' not found\n", file);
189 for (c=0; c<executions;c++)
191 start = GNUNET_TIME_absolute_get();
192 solve_lp(GNUNET_YES);
193 solve_mlp (GNUNET_NO);
194 end = GNUNET_TIME_absolute_get();
196 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
198 mlp_no_opt_avg += exec_time[c];
199 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
200 "MLP iterations no optimization %i: %llu \n",
204 glp_delete_prob(prob);
208 void bench_mlp_with_optimization(char * file, int executions, int changes)
213 prob = glp_create_prob();
214 res = glp_read_lp(prob, NULL, file);
217 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
218 "Problem file `%s' not found\n", file);
223 solve_lp(GNUNET_YES);
225 for (c=0; c<executions;c++)
227 start = GNUNET_TIME_absolute_get();
228 //modify_qm(906, 0, 0);
230 solve_mlp (GNUNET_NO);
231 end = GNUNET_TIME_absolute_get();
233 exec_time[c] = GNUNET_TIME_absolute_get_difference(start, end).rel_value;
235 mlp_with_opt_avg += exec_time[c];
236 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
237 "MLP /w optimization iterations %i: %llu \n",
241 glp_delete_prob(prob);
245 void modify_cr (int start, int length, int count)
247 //int * ind = GNUNET_malloc (length * sizeof (int));
248 //double *val = GNUNET_malloc (length * sizeof (double));
253 while (c<=(start+count))
255 res = glp_get_mat_row(prob, c, ind, val);
257 printf("row index: %i non-zero elements: %i \n", c, res);
258 for (c2=1; c2<=res; c2++)
260 printf("%i = %f ", ind[c2], val[c2]);
265 //glp_set_mat_row(prob, start, length, ind, val);
270 int main (int argc, char *argv[])
273 GNUNET_log_setup ("perf-transport-ats",
282 GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "GLPK not installed, exiting testcase\n");
286 int nullfd = OPEN ("/dev/null", O_RDWR | O_APPEND);
288 return GNUNET_SYSERR;
289 if (dup2 (nullfd, 1) < 0)
291 GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "dup2");
292 (void) CLOSE (nullfd);
293 return GNUNET_SYSERR;
297 char * file = "ats_mlp_p100_m400.problem";
299 bench_simplex_no_optimization (file, executions);
300 bench_simplex_optimization (file, executions);
301 bench_mlp_no_optimization (file, executions);
302 bench_mlp_with_optimization (file, executions, 0);
308 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
309 "Simplex, no optimization, average per address: %f\n",
310 ((double) sim_no_opt_avg / EXECS) / 400);
311 GAUGER ("TRANSPORT","GLPK simplex no optimization",
312 ((double) sim_no_opt_avg / EXECS) / 400, "ms/address");
314 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
315 "Simplex, with optimization, average per address: %f\n",
316 ((double) sim_with_opt_avg / EXECS) / 400);
318 "GLPK simplex, 100 peers 400 addresses with optimization",
319 ((double) sim_with_opt_avg / EXECS) / 400, "ms/address");
321 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
322 "MLP no optimization average per address: %f\n",
323 ((double) mlp_no_opt_avg / EXECS) / 400);
324 GAUGER ("TRANSPORT","GLPK MLP 100 peers 400 addresses no optimization",
325 ((double) mlp_no_opt_avg / EXECS) / 400, "ms/address");
327 GNUNET_log (GNUNET_ERROR_TYPE_INFO,
328 "MLP optimization average per address: %f\n",
329 ((double) mlp_with_opt_avg/ EXECS) / 400);
331 "GLPK MLP 100 peers 400 addresses with optimization",
332 ((double) mlp_with_opt_avg / EXECS) / 400, "ms/address");
333 (void) CLOSE (nullfd);
339 /* end of per_transport_ats.c*/