+++ /dev/null
-/* Copyright (c) 2019. 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 "src/include/catch.hpp"
-#include "src/kernel/lmm/maxmin.hpp"
-#include "src/surf/surf_interface.hpp"
-#include "xbt/log.h"
-
-namespace lmm = simgrid::kernel::lmm;
-
-TEST_CASE("kernel::lmm Single constraint shared systems", "[kernel-lmm-shared-single-sys]")
-{
- lmm::System* Sys = lmm::make_new_maxmin_system(false);
-
- SECTION("Variable penalty")
- {
- /*
- * A variable with twice the penalty gets half of the share
- *
- * In details:
- * o System: a1 * p1 * \rho1 + a2 * p2 * \rho2 < C
- * o consumption_weight: a1=1 ; a2=1
- * o sharing_penalty: p1=1 ; p2=2
- *
- * Expectations
- * o rho1 = 2* rho2 (because rho2 has twice the penalty)
- * o rho1 + rho2 = C (because all weights are 1)
- */
-
- lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 3);
- lmm::Variable* rho_1 = Sys->variable_new(nullptr, 1);
- lmm::Variable* rho_2 = Sys->variable_new(nullptr, 2);
-
- Sys->expand(sys_cnst, rho_1, 1);
- Sys->expand(sys_cnst, rho_2, 1);
- Sys->solve();
-
- REQUIRE(double_equals(rho_1->get_value(), 2, sg_maxmin_precision));
- REQUIRE(double_equals(rho_2->get_value(), 1, sg_maxmin_precision));
- }
-
- SECTION("Consumption weight")
- {
- /*
- * Variables of higher consumption weight consume more resource but get the same share
- *
- * In details:
- * o System: a1 * p1 * \rho1 + a2 * p2 * \rho2 < C
- * o consumption_weight: a1=1 ; a2=2
- * o sharing_penalty: p1=1 ; p2=1
- *
- * Expectations
- * o rho1 = rho2 (because all penalties are 1)
- * o rho1 + 2* rho2 = C (because weight_2 is 2)
- * o so, rho1 = rho2 = 1 (because C is 3)
- */
-
- lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 3);
- lmm::Variable* rho_1 = Sys->variable_new(nullptr, 1);
- lmm::Variable* rho_2 = Sys->variable_new(nullptr, 1);
-
- Sys->expand(sys_cnst, rho_1, 1);
- Sys->expand(sys_cnst, rho_2, 2);
- Sys->solve();
-
- REQUIRE(double_equals(rho_1->get_value(), 1, sg_maxmin_precision));
- REQUIRE(double_equals(rho_2->get_value(), 1, sg_maxmin_precision));
- }
-
- SECTION("Consumption weight + variable weight")
- {
- /*
- * Strange system under consideration:
- * 56\times\rho_1^{74} + 21\times\rho_2^{6} + 2\times\rho_3^{2} \le 123
- * Expectations:
- * - This test combine variable weight and consumption weight
- * - Thus, we expect that \rho_j=\frac{\frac{10}{\sum{\frac{a_i}{w_i}}}}{w_j}
- */
-
- lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 123);
- lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 56);
- lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 21);
- lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 3);
-
- Sys->expand(sys_cnst, sys_var_1, 74);
- Sys->expand(sys_cnst, sys_var_2, 6);
- Sys->expand(sys_cnst, sys_var_3, 2);
- Sys->solve();
-
- REQUIRE(double_equals(sys_var_1->get_value(), 0.9659686, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_2->get_value(), 2.575916, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_3->get_value(), 18.03141, sg_maxmin_precision));
- }
-
- Sys->variable_free_all();
- delete Sys;
-}
-
-TEST_CASE("kernel::lmm Multiple constraint shared systems", "[kernel-lmm-shared-multiple-sys]")
-{
- lmm::System* Sys = lmm::make_new_maxmin_system(false);
-
- SECTION("3 Constraints system")
- {
-
- /*
- * System under consideration:
- * 4\times\rho_1^{5.1} + 2.6\times\rho_2^{7} + 1.2\times\rho_3^{8.5} \le 14.6 \\
- * 5\times\rho_4^{6.2} + 2\times\rho_2^{7} + 4.1\times\rho_3^{8.5} \le 40.7 \\
- * 6\times\rho_5^1 \le 7
- * Expectation:
- * - Order of inequation solving: 3, 1 and 2
- * - Variable values are fixed using: \rho_j=\frac{\frac{C_r}{\sum{\frac{a_{r,i}}{w_i}}}}{w_j}
- */
-
- lmm::Constraint* sys_cnst_1 = Sys->constraint_new(nullptr, 14.6);
- lmm::Constraint* sys_cnst_2 = Sys->constraint_new(nullptr, 10.7);
- lmm::Constraint* sys_cnst_3 = Sys->constraint_new(nullptr, 7);
-
- lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 5.1, 0.0, 1);
- lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 7, 0.0, 2);
- lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 8.5, 0.0, 2);
- lmm::Variable* sys_var_4 = Sys->variable_new(nullptr, 6.2, 0.0, 1);
- lmm::Variable* sys_var_5 = Sys->variable_new(nullptr, 1, 0.0, 1);
-
- // Constraint 1
- Sys->expand(sys_cnst_1, sys_var_1, 4);
- Sys->expand(sys_cnst_1, sys_var_2, 2.6);
- Sys->expand(sys_cnst_1, sys_var_3, 1.2);
- // Constraint 2
- Sys->expand(sys_cnst_2, sys_var_4, 5);
- Sys->expand(sys_cnst_2, sys_var_2, 2);
- Sys->expand(sys_cnst_2, sys_var_3, 4.1);
- // Constraint 3
- Sys->expand(sys_cnst_3, sys_var_5, 6);
- Sys->solve();
-
- REQUIRE(double_equals(sys_var_1->get_value(), 2.779119, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_2->get_value(), 0.9708181, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_3->get_value(), 0.7994973, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_4->get_value(), 1.096085, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_5->get_value(), 1.166667, sg_maxmin_precision));
- }
-
- Sys->variable_free_all();
- delete Sys;
-}
-
-TEST_CASE("kernel::lmm Single constraint unshared systems", "[kernel-lmm-unshared-single-sys]")
-{
- lmm::System* Sys = lmm::make_new_maxmin_system(false);
-
- SECTION("Variable weight")
- {
- /*
- * System under consideration:
- * 1\times\rho_1^{1} + 1\times\rho_2^{2} + 1\times\rho_3^{3} \le 10
- * Expectation:
- * - Variables are fixed using: \rho_j=\frac{\frac{10}{\frac{1}{1}}}{w_j}
- */
-
- lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 10);
- sys_cnst->unshare(); // FATPIPE
- lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 1, 0.0, 1);
- lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 2, 0.0, 1);
- lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 3, 0.0, 1);
-
- Sys->expand(sys_cnst, sys_var_1, 1);
- Sys->expand(sys_cnst, sys_var_2, 1);
- Sys->expand(sys_cnst, sys_var_3, 1);
- Sys->solve();
-
- REQUIRE(double_equals(sys_var_1->get_value(), 10, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_2->get_value(), 5, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_3->get_value(), 3.333333, sg_maxmin_precision));
- }
-
- SECTION("Consumption weight")
- {
- /*
- * System under consideration:
- * 1\times\rho_1^{1} + 2\times\rho_2^{1} + 3\times\rho_3^{1} \le 10
- * Expectations:
- * - Variables are fixed using: \rho_j=\frac{\frac{10}{\frac{3}{1}}}{w_j}
- */
-
- lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 10);
- sys_cnst->unshare();
- lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 1, 0.0, 1);
- lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 1, 0.0, 1);
- lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 1, 0.0, 1);
-
- Sys->expand(sys_cnst, sys_var_1, 1);
- Sys->expand(sys_cnst, sys_var_2, 2);
- Sys->expand(sys_cnst, sys_var_3, 3);
- Sys->solve();
-
- REQUIRE(double_equals(sys_var_1->get_value(), 3.333333, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_2->get_value(), 3.333333, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_3->get_value(), 3.333333, sg_maxmin_precision));
- }
-
- SECTION("Consumption weight + variable weight")
- {
- /*
- * Strange system under consideration:
- * 56\times\rho_1^{74} + 21\times\rho_2^{6} + 2\times\rho_3^{2} \le 123
- * Expectation:
- * - Variables are fixed using: \rho_j=\frac{\frac{123}{\frac{74}{56}}}{w_j}
- */
-
- lmm::Constraint* sys_cnst = Sys->constraint_new(nullptr, 123);
- sys_cnst->unshare();
- lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 56, 0.0, 1);
- lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 21, 0.0, 1);
- lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 3, 0.0, 1);
-
- Sys->expand(sys_cnst, sys_var_1, 74);
- Sys->expand(sys_cnst, sys_var_2, 6);
- Sys->expand(sys_cnst, sys_var_3, 2);
- Sys->solve();
-
- REQUIRE(double_equals(sys_var_1->get_value(), 1.662162, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_2->get_value(), 4.432432, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_3->get_value(), 31.02703, sg_maxmin_precision));
- }
-
- Sys->variable_free_all();
- delete Sys;
-}
-
-TEST_CASE("kernel::lmm Multiple constraint unshared systems", "[kernel-lmm-unshared-multiple-sys]")
-{
- lmm::System* Sys = lmm::make_new_maxmin_system(false);
-
- SECTION("3 Constraints system")
- {
-
- /*
- * System under consideration:
- * 4\times\rho_1^{5.1} + 2.6\times\rho_2^{7} + 1.2\times\rho_3^{8.5} \le 14.6 \\
- * 5\times\rho_4^{6.2} + 2\times\rho_2^{7} + 4.1\times\rho_3^{8.5} \le 40.7 \\
- * 6\times\rho_5^1 \le 7
- * Expectations:
- * - Variable are fixed using: \rho_j=\frac{\frac{C_r}{max\left(\frac{a_{r},i}{w_i}\right)}}{w_j}
- * - The order of inequation solving is expected to be: 3, 2 and 1
- */
-
- lmm::Constraint* sys_cnst_1 = Sys->constraint_new(nullptr, 14.6);
- sys_cnst_1->unshare();
- lmm::Constraint* sys_cnst_2 = Sys->constraint_new(nullptr, 10.7);
- sys_cnst_2->unshare();
- lmm::Constraint* sys_cnst_3 = Sys->constraint_new(nullptr, 7);
- sys_cnst_3->unshare();
-
- lmm::Variable* sys_var_1 = Sys->variable_new(nullptr, 5.1, 0.0, 1);
- lmm::Variable* sys_var_2 = Sys->variable_new(nullptr, 7, 0.0, 2);
- lmm::Variable* sys_var_3 = Sys->variable_new(nullptr, 8.5, 0.0, 2);
- lmm::Variable* sys_var_4 = Sys->variable_new(nullptr, 6.2, 0.0, 1);
- lmm::Variable* sys_var_5 = Sys->variable_new(nullptr, 1, 0.0, 1);
-
- // Constraint 1
- Sys->expand(sys_cnst_1, sys_var_1, 4);
- Sys->expand(sys_cnst_1, sys_var_2, 2.6);
- Sys->expand(sys_cnst_1, sys_var_3, 1.2);
- // Constraint 2
- Sys->expand(sys_cnst_2, sys_var_4, 5);
- Sys->expand(sys_cnst_2, sys_var_2, 2);
- Sys->expand(sys_cnst_2, sys_var_3, 4.1);
- // Constraint 3
- Sys->expand(sys_cnst_3, sys_var_5, 6);
- Sys->solve();
-
- REQUIRE(double_equals(sys_var_1->get_value(), 3.65, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_2->get_value(), 1.895429, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_3->get_value(), 1.560941, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_4->get_value(), 2.14, sg_maxmin_precision));
- REQUIRE(double_equals(sys_var_5->get_value(), 1.166667, sg_maxmin_precision));
- }
-
- Sys->variable_free_all();
- delete Sys;
-}
