/* A few tests for the maxmin library */
-/* Copyright (c) 2007-2017. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "simgrid/msg.h"
+#include "src/kernel/lmm/maxmin.hpp"
#include "src/surf/surf_interface.hpp"
-#include "surf/maxmin.hpp"
#include "xbt/log.h"
#include "xbt/module.h"
#include "xbt/sysdep.h"
XBT_LOG_NEW_DEFAULT_CATEGORY(surf_test, "Messages specific for surf example");
-#define PRINT_VAR(var) XBT_DEBUG(#var " = %g",lmm_variable_getvalue(var))
+using namespace simgrid::surf;
+
+#define PRINT_VAR(var) XBT_DEBUG(#var " = %g", (var)->get_value())
#define SHOW_EXPR(expr) XBT_DEBUG(#expr " = %g",expr)
/* ______ */
enum method_t { MAXMIN, LAGRANGE_RENO, LAGRANGE_VEGAS };
+static simgrid::kernel::lmm::System* new_system(method_t method, bool update)
+{
+ switch (method) {
+ case MAXMIN:
+ return simgrid::kernel::lmm::make_new_maxmin_system(update);
+ case LAGRANGE_VEGAS:
+ case LAGRANGE_RENO:
+ return simgrid::kernel::lmm::make_new_lagrange_system(update);
+ default:
+ xbt_die("Invalid method");
+ }
+}
+
static double dichotomy(double func(double), double min, double max, double min_error)
{
double overall_error = 2 * min_error;
double b = 10.0;
if (method == LAGRANGE_VEGAS)
- lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi);
+ set_default_protocol_function(simgrid::kernel::lmm::func_vegas_f, simgrid::kernel::lmm::func_vegas_fp,
+ simgrid::kernel::lmm::func_vegas_fpi);
else if (method == LAGRANGE_RENO)
- lmm_set_default_protocol_function(func_reno_f, func_reno_fpi, func_reno_fpi);
+ set_default_protocol_function(simgrid::kernel::lmm::func_reno_f, simgrid::kernel::lmm::func_reno_fp,
+ simgrid::kernel::lmm::func_reno_fpi);
- lmm_system_t Sys = lmm_system_new(1);
- lmm_constraint_t L1 = lmm_constraint_new(Sys, nullptr, a);
- lmm_constraint_t L2 = lmm_constraint_new(Sys, nullptr, b);
- lmm_constraint_t L3 = lmm_constraint_new(Sys, nullptr, a);
+ simgrid::kernel::lmm::System* Sys = new_system(method, true);
+ simgrid::kernel::lmm::Constraint* L1 = Sys->constraint_new(nullptr, a);
+ simgrid::kernel::lmm::Constraint* L2 = Sys->constraint_new(nullptr, b);
+ simgrid::kernel::lmm::Constraint* L3 = Sys->constraint_new(nullptr, a);
- lmm_variable_t R_1_2_3 = lmm_variable_new(Sys, nullptr, 1.0, -1.0, 3);
- lmm_variable_t R_1 = lmm_variable_new(Sys, nullptr, 1.0, -1.0, 1);
- lmm_variable_t R_2 = lmm_variable_new(Sys, nullptr, 1.0, -1.0, 1);
- lmm_variable_t R_3 = lmm_variable_new(Sys, nullptr, 1.0, -1.0, 1);
+ simgrid::kernel::lmm::Variable* R_1_2_3 = Sys->variable_new(nullptr, 1.0, -1.0, 3);
+ simgrid::kernel::lmm::Variable* R_1 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
+ simgrid::kernel::lmm::Variable* R_2 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
+ simgrid::kernel::lmm::Variable* R_3 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
- lmm_update_variable_weight(Sys, R_1_2_3, 1.0);
- lmm_update_variable_weight(Sys, R_1, 1.0);
- lmm_update_variable_weight(Sys, R_2, 1.0);
- lmm_update_variable_weight(Sys, R_3, 1.0);
+ Sys->update_variable_weight(R_1_2_3, 1.0);
+ Sys->update_variable_weight(R_1, 1.0);
+ Sys->update_variable_weight(R_2, 1.0);
+ Sys->update_variable_weight(R_3, 1.0);
- lmm_expand(Sys, L1, R_1_2_3, 1.0);
- lmm_expand(Sys, L2, R_1_2_3, 1.0);
- lmm_expand(Sys, L3, R_1_2_3, 1.0);
+ Sys->expand(L1, R_1_2_3, 1.0);
+ Sys->expand(L2, R_1_2_3, 1.0);
+ Sys->expand(L3, R_1_2_3, 1.0);
- lmm_expand(Sys, L1, R_1, 1.0);
- lmm_expand(Sys, L2, R_2, 1.0);
- lmm_expand(Sys, L3, R_3, 1.0);
+ Sys->expand(L1, R_1, 1.0);
+ Sys->expand(L2, R_2, 1.0);
+ Sys->expand(L3, R_3, 1.0);
if (method == MAXMIN) {
- lmm_solve(Sys);
+ Sys->solve();
} else {
double x;
if (method == LAGRANGE_VEGAS) {
xbt_die( "Invalid method");
}
- lagrange_solve(Sys);
+ Sys->solve();
double max_deviation = 0.0;
- max_deviation = std::max(max_deviation, fabs(lmm_variable_getvalue(R_1) - x));
- max_deviation = std::max(max_deviation, fabs(lmm_variable_getvalue(R_3) - x));
- max_deviation = std::max(max_deviation, fabs(lmm_variable_getvalue(R_2) - (b - a + x)));
- max_deviation = std::max(max_deviation, fabs(lmm_variable_getvalue(R_1_2_3) - (a - x)));
+ max_deviation = std::max(max_deviation, fabs(R_1->get_value() - x));
+ max_deviation = std::max(max_deviation, fabs(R_3->get_value() - x));
+ max_deviation = std::max(max_deviation, fabs(R_2->get_value() - (b - a + x)));
+ max_deviation = std::max(max_deviation, fabs(R_1_2_3->get_value() - (a - x)));
if (max_deviation > 0.00001) { // Legacy value used in lagrange.c
XBT_WARN("Max Deviation from optimal solution : %g", max_deviation);
XBT_WARN("Found x = %1.20f", x);
- XBT_WARN("Deviation from optimal solution (R_1 = %g): %1.20f", x, lmm_variable_getvalue(R_1) - x);
- XBT_WARN("Deviation from optimal solution (R_2 = %g): %1.20f", b - a + x,
- lmm_variable_getvalue(R_2) - (b - a + x));
- XBT_WARN("Deviation from optimal solution (R_3 = %g): %1.20f", x, lmm_variable_getvalue(R_3) - x);
- XBT_WARN("Deviation from optimal solution (R_1_2_3 = %g): %1.20f", a - x,
- lmm_variable_getvalue(R_1_2_3) - (a - x));
+ XBT_WARN("Deviation from optimal solution (R_1 = %g): %1.20f", x, R_1->get_value() - x);
+ XBT_WARN("Deviation from optimal solution (R_2 = %g): %1.20f", b - a + x, R_2->get_value() - (b - a + x));
+ XBT_WARN("Deviation from optimal solution (R_3 = %g): %1.20f", x, R_3->get_value() - x);
+ XBT_WARN("Deviation from optimal solution (R_1_2_3 = %g): %1.20f", a - x, R_1_2_3->get_value() - (a - x));
}
}
PRINT_VAR(R_2);
PRINT_VAR(R_3);
- lmm_variable_free(Sys, R_1_2_3);
- lmm_variable_free(Sys, R_1);
- lmm_variable_free(Sys, R_2);
- lmm_variable_free(Sys, R_3);
- lmm_system_free(Sys);
+ Sys->variable_free(R_1_2_3);
+ Sys->variable_free(R_1);
+ Sys->variable_free(R_2);
+ Sys->variable_free(R_3);
+ delete Sys;
}
static void test2(method_t method)
{
if (method == LAGRANGE_VEGAS)
- lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi);
+ set_default_protocol_function(simgrid::kernel::lmm::func_vegas_f, simgrid::kernel::lmm::func_vegas_fp,
+ simgrid::kernel::lmm::func_vegas_fpi);
if (method == LAGRANGE_RENO)
- lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi);
+ set_default_protocol_function(simgrid::kernel::lmm::func_reno_f, simgrid::kernel::lmm::func_reno_fp,
+ simgrid::kernel::lmm::func_reno_fpi);
- lmm_system_t Sys = lmm_system_new(1);
- lmm_constraint_t CPU1 = lmm_constraint_new(Sys, nullptr, 200.0);
- lmm_constraint_t CPU2 = lmm_constraint_new(Sys, nullptr, 100.0);
+ simgrid::kernel::lmm::System* Sys = new_system(method, true);
- lmm_variable_t T1 = lmm_variable_new(Sys, nullptr, 1.0, -1.0, 1);
- lmm_variable_t T2 = lmm_variable_new(Sys, nullptr, 1.0, -1.0, 1);
+ simgrid::kernel::lmm::Constraint* CPU1 = Sys->constraint_new(nullptr, 200.0);
+ simgrid::kernel::lmm::Constraint* CPU2 = Sys->constraint_new(nullptr, 100.0);
- lmm_update_variable_weight(Sys, T1, 1.0);
- lmm_update_variable_weight(Sys, T2, 1.0);
+ simgrid::kernel::lmm::Variable* T1 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
+ simgrid::kernel::lmm::Variable* T2 = Sys->variable_new(nullptr, 1.0, -1.0, 1);
- lmm_expand(Sys, CPU1, T1, 1.0);
- lmm_expand(Sys, CPU2, T2, 1.0);
+ Sys->update_variable_weight(T1, 1.0);
+ Sys->update_variable_weight(T2, 1.0);
- if (method == MAXMIN) {
- lmm_solve(Sys);
- } else if (method == LAGRANGE_VEGAS || method == LAGRANGE_RENO) {
- lagrange_solve(Sys);
- } else {
- xbt_die("Invalid method");
- }
+ Sys->expand(CPU1, T1, 1.0);
+ Sys->expand(CPU2, T2, 1.0);
+
+ Sys->solve();
PRINT_VAR(T1);
PRINT_VAR(T2);
- lmm_variable_free(Sys, T1);
- lmm_variable_free(Sys, T2);
- lmm_system_free(Sys);
+ Sys->variable_free(T1);
+ Sys->variable_free(T2);
+ delete Sys;
}
static void test3(method_t method)
A[14][15] = 1.0;
if (method == LAGRANGE_VEGAS)
- lmm_set_default_protocol_function(func_vegas_f, func_vegas_fp, func_vegas_fpi);
+ set_default_protocol_function(simgrid::kernel::lmm::func_vegas_f, simgrid::kernel::lmm::func_vegas_fp,
+ simgrid::kernel::lmm::func_vegas_fpi);
if (method == LAGRANGE_RENO)
- lmm_set_default_protocol_function(func_reno_f, func_reno_fp, func_reno_fpi);
+ set_default_protocol_function(simgrid::kernel::lmm::func_reno_f, simgrid::kernel::lmm::func_reno_fp,
+ simgrid::kernel::lmm::func_reno_fpi);
- lmm_system_t Sys = lmm_system_new(1);
+ simgrid::kernel::lmm::System* Sys = new_system(method, true);
/* Creates the constraints */
- lmm_constraint_t* tmp_cnst = new lmm_constraint_t[15];
+ simgrid::kernel::lmm::Constraint** tmp_cnst = new simgrid::kernel::lmm::Constraint*[15];
for (int i = 0; i < 15; i++)
- tmp_cnst[i] = lmm_constraint_new(Sys, nullptr, B[i]);
+ tmp_cnst[i] = Sys->constraint_new(nullptr, B[i]);
/* Creates the variables */
- lmm_variable_t* tmp_var = new lmm_variable_t[16];
+ simgrid::kernel::lmm::Variable** tmp_var = new simgrid::kernel::lmm::Variable*[16];
for (int j = 0; j < 16; j++) {
- tmp_var[j] = lmm_variable_new(Sys, nullptr, 1.0, -1.0, 15);
- lmm_update_variable_weight(Sys, tmp_var[j], 1.0);
+ tmp_var[j] = Sys->variable_new(nullptr, 1.0, -1.0, 15);
+ Sys->update_variable_weight(tmp_var[j], 1.0);
}
/* Link constraints and variables */
for (int i = 0; i < 15; i++)
for (int j = 0; j < 16; j++)
if (A[i][j])
- lmm_expand(Sys, tmp_cnst[i], tmp_var[j], 1.0);
+ Sys->expand(tmp_cnst[i], tmp_var[j], 1.0);
- if (method == MAXMIN) {
- lmm_solve(Sys);
- } else if (method == LAGRANGE_VEGAS) {
- lagrange_solve(Sys);
- } else if (method == LAGRANGE_RENO) {
- lagrange_solve(Sys);
- } else {
- xbt_die("Invalid method");
- }
+ Sys->solve();
for (int j = 0; j < 16; j++)
PRINT_VAR(tmp_var[j]);
for (int j = 0; j < 16; j++)
- lmm_variable_free(Sys, tmp_var[j]);
+ Sys->variable_free(tmp_var[j]);
delete[] tmp_var;
delete[] tmp_cnst;
- lmm_system_free(Sys);
+ delete Sys;
for (int i = 0; i < links + 5; i++)
delete[] A[i];
delete[] A;
