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alg_dep.cpp
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alg_dep.cpp
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#include "explorer.h"
#include "common.h"
#include <ctime>
//////////////////////////////////////////////////////////////////////
// Dependency Algorithm - DEP
/// Implementation of system level exploration using clusters .
//
// List of clusters:
//
// c1: L1 data ( size, block_size, associativity)
// c2: L1 instruction ( size, block_size, associativity)
// c3: L2 unified cache ( size, block_size, associativity)
// c4: Functional units ( IU,FPU,BU,MU )
// c5: GPR, c6: FPR, c7: PR, c8: CR, c9: BTR
//********************************************************************
void Explorer::start_DEP()
{
current_algo = "DEP";
reset_sim_counter();
Exploration_stats stats;
stats.space_size = get_space_size();
stats.start_time = time(NULL);
char mess[55];
int t;
string filename = Options.benchmark+"_DEP_"+current_space;
string logfile = get_base_dir()+string(EE_LOG_PATH);
int pid = 0; // mpi not yet supported on DEP
// explore c1 and c2, separately .
// all other parameters are set to arbitrary values because c1 and
// c2 pareto optimal values are assumed indipendent from them
//
//////////////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Starting DEP simulation ");
sprintf(mess,"Space size: %g ",stats.space_size);
write_to_log(pid,logfile,mess);
write_to_log(pid,logfile," -> Starting c1 exploration ");
Space_mask c1_mask = get_space_mask(SET_L1D);
vector<Configuration> c1_space = build_space(c1_mask);
t = (c1_space.size() * average_exec_time)/60;
sprintf(mess," c1: %d explorations, estimated time %d minutes ",c1_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c1_sims = simulate_space(c1_space);
vector<Simulation> c1_sims_pareto = get_pareto(c1_sims);
vector<Configuration> c1_space_pareto = extract_space(c1_sims_pareto);
int n_ott_c1 = c1_space_pareto.size();
save_simulations(c1_sims,filename+"_c1.exp");
save_simulations(c1_sims_pareto,filename+"_c1.pareto.exp");
//////////////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Starting c2 exploration ");
Space_mask c2_mask = get_space_mask(SET_L1I);
vector<Configuration> c2_space = build_space(c2_mask);
t = (c2_space.size() * average_exec_time)/60;
sprintf(mess," (%d explorations, estimated time %d minutes ",c2_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c2_sims = simulate_space(c2_space);
vector<Simulation> c2_sims_pareto = get_pareto(c2_sims);
vector<Configuration> c2_space_pareto = extract_space(c2_sims_pareto);
int n_ott_c2 = c2_space_pareto.size();
save_simulations(c2_sims,filename+"_c2.exp");
save_simulations(c2_sims_pareto,filename+"_c2.pareto.exp");
////////////////////////////////////////////////////
// a first estimation of exploration time can be done here
// note we are assuming a arbitrary val for n pareto c4
//
// Error is proportional to error in n_ott_c4_assumed
int est_n_ott_c4 = (n_ott_c1 + n_ott_c2);
int min_estimated_time = DEP_phase1_time(n_ott_c1,n_ott_c2,2);
int max_estimated_time = DEP_phase1_time(n_ott_c1,n_ott_c2,est_n_ott_c4);
sprintf(mess," Approx exploration time: (%d - %d) minutes ",min_estimated_time,max_estimated_time);
write_to_log(pid,logfile,mess);
// now c3 and c4 must be explored, for each combination of c1 and
// c2 pareto-optimal configs. All other parameters are set to
// arbitrary values.
// Order is not important, but c4 exploration is performed for
// first in order to obtain n_ott_c4 to estimate phase 1
// algorithm time as soon as possible
//////////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Starting c4 exploration ");
// first of all, we cross merge c1 and c2
vector<Configuration> c1p_c2p_space = build_space_cross_merge(c1_space_pareto,
c2_space_pareto,
c1_mask,
c2_mask);
Space_mask c1_c2_mask = mask_union(c1_mask,c2_mask);
Space_mask c4_mask = get_space_mask(SET_PROCESSOR_UNITS);
vector<Configuration> original_c4_space = build_space(c4_mask);
vector<Configuration> c4_space = build_space_cross_merge(c1p_c2p_space,
original_c4_space,
c1_c2_mask,
c4_mask);
t = (c4_space.size() * (average_exec_time+average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c4_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c4_sims = simulate_space(c4_space);
vector<Simulation> c4_sims_pareto = get_pareto(c4_sims);
save_simulations(c4_sims,filename+"_c4.exp");
save_simulations(c4_sims_pareto,filename+"_c4.pareto.exp");
vector<Configuration> c4_space_pareto = extract_space(c4_sims_pareto);
int n_ott_c4 = c4_space_pareto.size();
/////////////////////////////////////////////////////////////////
// Now it's possible to computer the total time necessary to
// perform the first phase of algorithm, because we have n_ott_c1
//, n_ott_c2 and n_ott_c4
int estimated_time = DEP_phase1_time(n_ott_c1,n_ott_c2,n_ott_c4);
sprintf(mess," Estimated Phase 1 time: %d minutes ...",estimated_time);
write_to_log(pid,logfile,mess);
/////////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Starting c3 exploration ");
Space_mask c3_mask = get_space_mask(SET_L2U);
vector<Configuration> original_c3_space = build_space(c3_mask);
vector<Configuration> c3_space = build_space_cross_merge(c1p_c2p_space,
original_c3_space,
c1_c2_mask,
c3_mask);
t = (c3_space.size() * average_exec_time)/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c3_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c3_sims = simulate_space(c3_space);
vector<Simulation> c3_sims_pareto = get_pareto(c3_sims);
save_simulations(c3_sims,filename+"_c3.exp");
save_simulations(c3_sims_pareto,filename+"_c3.pareto.exp");
vector<Configuration> c3_space_pareto = extract_space(c3_sims_pareto);
///////////////////////////////////////////////////////////////////////
// now we must perform an exhaustive exploration of c5..c9
// clusters for each of the pareto config of c4
//
// clusters from c5 to c9 depend on c4 . So we must explore each
// of them combining their original exhaustive space with every
// pareto val of c4 exploration
//
// First of all, we create these cross merged spaces for each of
// c5..c9 parameters
Space_mask c124_mask = mask_union(c1_c2_mask,c4_mask);
Space_mask c5_mask = get_space_mask(UNSET_ALL);
c5_mask.gpr_static_size = true;
vector <Configuration> original_c5_space = build_space(c5_mask);
vector <Configuration> c5_space = build_space_cross_merge(original_c5_space,
c4_space_pareto,
c5_mask,
c124_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c6_mask = get_space_mask(UNSET_ALL);
c6_mask.fpr_static_size = true;
vector <Configuration> original_c6_space = build_space(c6_mask);
vector <Configuration> c6_space = build_space_cross_merge(original_c6_space,
c4_space_pareto,
c6_mask,
c124_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c7_mask = get_space_mask(UNSET_ALL);
c7_mask.pr_static_size = true;
vector <Configuration> original_c7_space = build_space(c7_mask);
vector <Configuration> c7_space = build_space_cross_merge(original_c7_space,
c4_space_pareto,
c7_mask,
c124_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c8_mask = get_space_mask(UNSET_ALL);
c8_mask.cr_static_size = true;
vector <Configuration> original_c8_space = build_space(c8_mask);
vector <Configuration> c8_space = build_space_cross_merge(original_c8_space,
c4_space_pareto,
c8_mask,
c124_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c9_mask = get_space_mask(UNSET_ALL);
c9_mask.btr_static_size = true;
vector <Configuration> original_c9_space = build_space(c9_mask);
vector <Configuration> c9_space = build_space_cross_merge(original_c9_space,
c4_space_pareto,
c9_mask,
c124_mask);
///////////////////////////////////////////////////////////////////////
// All c(i)_space are are ready to be explored
//////////////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c5 exploration ");
t = (c5_space.size() * average_exec_time + average_compilation_time)/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c5_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c5_sims = simulate_space(c5_space);
vector<Simulation> c5_sims_pareto = get_pareto(c5_sims);
save_simulations(c5_sims,filename+"_c5.exp");
save_simulations(c5_sims_pareto,filename+"_c5.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c6 exploration ");
t = (c6_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c6_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c6_sims = simulate_space(c6_space);
vector<Simulation> c6_sims_pareto = get_pareto(c6_sims);
save_simulations(c6_sims,filename+"_c6.exp");
save_simulations(c6_sims_pareto,filename+"_c6.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c7 exploration ");
t = (c7_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c7_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c7_sims = simulate_space(c7_space);
vector<Simulation> c7_sims_pareto = get_pareto(c7_sims);
save_simulations(c7_sims,filename+"_c7.exp");
save_simulations(c7_sims_pareto,filename+"_c7.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c8 exploration ");
t = (c8_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c8_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c8_sims = simulate_space(c8_space);
vector<Simulation> c8_sims_pareto = get_pareto(c8_sims);
save_simulations(c8_sims,filename+"_c8.exp");
save_simulations(c8_sims_pareto,filename+"_c8.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c9 exploration ");
t = (c9_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c9_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c9_sims = simulate_space(c9_space);
vector<Simulation> c9_sims_pareto = get_pareto(c9_sims);
save_simulations(c9_sims,filename+"_c9.exp");
save_simulations(c9_sims_pareto,filename+"_c9.pareto.exp");
// Phase 1 of alg is finished, we have the pareto optimal
// configuration of all clusters
// Once we have explored c5..c9 considering each pareto of c4, we
// can compute pareto of the union collected simulations
vector<Simulation> all_sims;
append_simulations(all_sims,c1_sims_pareto);
append_simulations(all_sims,c2_sims_pareto);
append_simulations(all_sims,c3_sims_pareto);
append_simulations(all_sims,c4_sims_pareto);
append_simulations(all_sims,c5_sims_pareto);
append_simulations(all_sims,c6_sims_pareto);
append_simulations(all_sims,c7_sims_pareto);
append_simulations(all_sims,c8_sims_pareto);
append_simulations(all_sims,c9_sims_pareto);
remove_dominated_simulations(all_sims);
save_simulations(all_sims,filename+"_phase1.pareto.exp");
write_to_log(pid,logfile,"DEP simulation Phase1 ended. ");
/////////////////////////////////////////////////////////////////////////////
/// PHASE 2 - merging all clusters, couple by couple .
//
// c1toN_space:
// resulting space from cross merging c1toN-1_space and cN_space
write_to_log(pid,logfile,"Starting Phase 2 . ");
vector<Configuration> c5_space_pareto = extract_space(c5_sims_pareto);
vector<Configuration> c6_space_pareto = extract_space(c6_sims_pareto);
vector<Configuration> c7_space_pareto = extract_space(c7_sims_pareto);
vector<Configuration> c8_space_pareto = extract_space(c8_sims_pareto);
vector<Configuration> c9_space_pareto = extract_space(c9_sims_pareto);
// this is the vector where pareto simulations will be stored
vector<Simulation> pareto_set;
append_simulations(pareto_set,c1_sims_pareto);
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged c1 and c2 clusters... ");
vector<Configuration> c1to2_space = build_space_cross_merge(c1_space_pareto,
c2_space_pareto,
c1_mask,
c2_mask);
vector<Simulation> c1to2_sims = simulate_space(c1to2_space);
append_simulations(pareto_set,c1to2_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to2_space_pareto = extract_space(pareto_set);
save_simulations(c1to2_sims,filename+"_c1to2.exp");
save_simulations(pareto_set,filename+"_c1to2.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to2) and c3 clusters... ");
vector<Configuration> c1to3_space = build_space_cross_merge(c1to2_space_pareto,
c3_space_pareto,
c1_c2_mask,
c3_mask);
vector<Simulation> c1to3_sims = simulate_space(c1to3_space);
append_simulations(pareto_set,c1to3_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to3_space_pareto = extract_space(pareto_set);
save_simulations(c1to3_sims,filename+"_c1to3.exp");
save_simulations(pareto_set,filename+"_c1to3.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to3) and c4 clusters... ");
Space_mask c1to3_mask = mask_union(c1_c2_mask,c3_mask);
vector<Configuration> c1to4_space = build_space_cross_merge(c1to3_space_pareto,
c4_space_pareto,
c1to3_mask,
c4_mask);
vector<Simulation> c1to4_sims = simulate_space(c1to4_space);
append_simulations(pareto_set,c1to4_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to4_space_pareto = extract_space(pareto_set);
save_simulations(c1to4_sims,filename+"_c1to4.exp");
save_simulations(pareto_set,filename+"_c1to4.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to4) and c5 clusters... ");
Space_mask c1to4_mask = mask_union(c1to3_mask,c4_mask);
vector<Configuration> c1to5_space = build_space_cross_merge(c1to4_space_pareto,
c5_space_pareto,
c1to4_mask,
c5_mask);
vector<Simulation> c1to5_sims = simulate_space(c1to5_space);
append_simulations(pareto_set,c1to5_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to5_space_pareto = extract_space(pareto_set);
save_simulations(c1to5_sims,filename+"_c1to5.exp");
save_simulations(pareto_set,filename+"_c1to5.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to5) and c6 clusters... ");
Space_mask c1to5_mask = mask_union(c1to4_mask,c5_mask);
vector<Configuration> c1to6_space = build_space_cross_merge(c1to5_space_pareto,
c6_space_pareto,
c1to5_mask,
c6_mask);
vector<Simulation> c1to6_sims = simulate_space(c1to6_space);
append_simulations(pareto_set,c1to6_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to6_space_pareto = extract_space(pareto_set);
save_simulations(c1to6_sims,filename+"_c1to6.exp");
save_simulations(pareto_set,filename+"_c1to6.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to6) and c7 clusters... ");
Space_mask c1to6_mask = mask_union(c1to5_mask,c6_mask);
vector<Configuration> c1to7_space = build_space_cross_merge(c1to6_space_pareto,
c7_space_pareto,
c1to6_mask,
c7_mask);
vector<Simulation> c1to7_sims = simulate_space(c1to7_space);
append_simulations(pareto_set,c1to7_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to7_space_pareto = extract_space(pareto_set);
save_simulations(c1to7_sims,filename+"_c1to7.exp");
save_simulations(pareto_set,filename+"_c1to7.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to7) and c8 clusters... ");
Space_mask c1to7_mask = mask_union(c1to6_mask,c7_mask);
vector<Configuration> c1to8_space = build_space_cross_merge(c1to7_space_pareto,
c8_space_pareto,
c1to7_mask,
c8_mask);
vector<Simulation> c1to8_sims = simulate_space(c1to8_space);
append_simulations(pareto_set,c1to8_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to8_space_pareto = extract_space(pareto_set);
save_simulations(c1to8_sims,filename+"_c1to8.exp");
save_simulations(pareto_set,filename+"_c1to8.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to8) and c9 clusters... ");
Space_mask c1to8_mask = mask_union(c1to7_mask,c8_mask);
vector<Configuration> c1to9_space = build_space_cross_merge(c1to8_space_pareto,
c9_space_pareto,
c1to8_mask,
c9_mask);
vector<Simulation> c1to9_sims = simulate_space(c1to9_space);
append_simulations(pareto_set,c1to9_sims);
remove_dominated_simulations(pareto_set);
save_simulations(c1to9_sims,filename+"_c1to9.exp");
save_simulations(pareto_set,filename+"_pareto.exp");
stats.end_time = time(NULL);
stats.n_sim = get_sim_counter();
save_stats(stats,filename+".stat");
write_to_log(pid,logfile,"End of Phase 2 ");
write_to_log(pid,logfile,"End of DEP simulation ");
}
void Explorer::start_DEP2()
{
current_algo = "DEP2";
reset_sim_counter();
Exploration_stats stats;
stats.space_size = get_space_size();
stats.start_time = time(NULL);
char mess[55];
int t;
vector<Simulation> pareto_set;
string filename = Options.benchmark+"_DEP_"+current_space;
string logfile = get_base_dir()+string(EE_LOG_PATH);
int pid = 0; // mpi not yet supported on DEP
write_to_log(pid,logfile," -> Starting DEP2 simulation ");
sprintf(mess,"Space size: %g",stats.space_size);
write_to_log(pid,logfile,mess);
write_to_log(pid,logfile," -> Starting c5 exploration ");
vector<bool> boolean_mask(18,false);
boolean_mask[13] = true; // GPR
Space_mask c5_mask = create_space_mask(boolean_mask);
vector<Configuration> c5_space = build_space(c5_mask);
vector<Simulation> c5_sims = simulate_space(c5_space);
vector<Simulation> c5_sims_pareto = get_pareto(c5_sims);
vector<Configuration> c5_space_pareto = extract_space(c5_sims_pareto);
Space_mask c1_mask = get_space_mask(SET_L1D);
vector<Configuration> c1_space = build_space(c1_mask);
vector<Configuration> c5p_c1_space = build_space_cross_merge(c5_space_pareto,
c1_space,
c5_mask,
c1_mask);
vector<Simulation> c5p_c1_sims = simulate_space(c5p_c1_space);
vector<Simulation> c5p_c1_sims_pareto = get_pareto(c5p_c1_sims);
vector<Configuration> c1_space_pareto = extract_space(c5p_c1_sims_pareto);
Space_mask c2_mask = get_space_mask(SET_L1I);
vector<Configuration> c2_space = build_space(c2_mask);
vector<Simulation> c2_sims = simulate_space(c2_space);
vector<Simulation> c2_sims_pareto = get_pareto(c2_sims);
vector<Configuration> c2_space_pareto = extract_space(c2_sims_pareto);
vector<Configuration> c1p_c2p_space = build_space_cross_merge(c1_space_pareto,
c2_space_pareto,
c1_mask,
c2_mask);
/////////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Starting c3 exploration ");
Space_mask c3_mask = get_space_mask(SET_L2U);
Space_mask c1_c2_mask = mask_union(c1_mask,c2_mask);
vector<Configuration> original_c3_space = build_space(c3_mask);
vector<Configuration> c3_space = build_space_cross_merge(c1p_c2p_space,
original_c3_space,
c1_c2_mask,
c3_mask);
vector<Simulation> c3_sims = simulate_space(c3_space);
vector<Simulation> c3_sims_pareto = get_pareto(c3_sims);
save_simulations(c3_sims,filename+"_c3.exp");
save_simulations(c3_sims_pareto,filename+"_c3.pareto.exp");
vector<Configuration> c3_space_pareto = extract_space(c3_sims_pareto);
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged c1 and c2 clusters... ");
vector<Configuration> c1to2_space = build_space_cross_merge(c1_space_pareto,
c2_space_pareto,
c1_mask,
c2_mask);
vector<Simulation> c1to2_sims = simulate_space(c1to2_space);
append_simulations(pareto_set,c1to2_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to2_space_pareto = extract_space(pareto_set);
save_simulations(c1to2_sims,filename+"_c1to2.exp");
save_simulations(pareto_set,filename+"_c1to2.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged c1to2 and c3 clusters... ");
vector<Configuration> c1to3_space = build_space_cross_merge(c1to2_space_pareto,
c3_space_pareto,
c1_c2_mask,
c3_mask);
vector<Simulation> c1to3_sims = simulate_space(c1to3_space);
append_simulations(pareto_set,c1to3_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to3_space_pareto = extract_space(pareto_set);
save_simulations(c1to3_sims,filename+"_c1to3.exp");
save_simulations(pareto_set,filename+"_c1to3.pareto.exp");
Space_mask c1to3_mask = mask_union(c1_c2_mask,c3_mask);
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged c1to3 and c5 clusters... ");
vector<Configuration> c1to5_space = build_space_cross_merge(c1to3_space_pareto,
c5_space_pareto,
c1to3_mask,
c5_mask);
vector<Simulation> c1to5_sims = simulate_space(c1to5_space);
append_simulations(pareto_set,c1to5_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to5_space_pareto = extract_space(pareto_set);
save_simulations(c1to5_sims,filename+"_c1to5.exp");
save_simulations(pareto_set,filename+"_c1to5.pareto.exp");
save_stats(stats,filename+".stat");
save_simulations(pareto_set,filename+".pareto.exp");
}
// ********************************************************************
// simplified DEP: do not consider monodirectional dependencies
// ********************************************************************
void Explorer::start_DEPMOD()
{
current_algo = "DEPMOD";
reset_sim_counter();
Exploration_stats stats;
stats.start_time = time(NULL);
char mess[55];
int t;
string filename = Options.benchmark+"_DEPMOD_"+current_space;
string logfile = get_base_dir()+string(EE_LOG_PATH);
int pid = 0; // mpi not yet supported on DEP
// explore c1 and c2, separately .
// all other parameters are set to arbitrary values because c1 and
// c2 pareto optimal values are assumed indipendent from them
//
//////////////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Starting c1 exploration ");
Space_mask c1_mask = get_space_mask(SET_L1D);
vector<Configuration> c1_space = build_space(c1_mask);
t = (c1_space.size() * average_exec_time)/60;
sprintf(mess," c1: %d explorations, estimated time %d minutes ",c1_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c1_sims = simulate_space(c1_space);
vector<Simulation> c1_sims_pareto = get_pareto(c1_sims);
vector<Configuration> c1_space_pareto = extract_space(c1_sims_pareto);
int n_ott_c1 = c1_space_pareto.size();
save_simulations(c1_sims,filename+"_c1.exp");
save_simulations(c1_sims_pareto,filename+"_c1.pareto.exp");
//////////////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Starting c2 exploration ");
Space_mask c2_mask = get_space_mask(SET_L1I);
vector<Configuration> c2_space = build_space(c2_mask);
t = (c2_space.size() * average_exec_time)/60;
sprintf(mess," (%d explorations, estimated time %d minutes ",c2_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c2_sims = simulate_space(c2_space);
vector<Simulation> c2_sims_pareto = get_pareto(c2_sims);
vector<Configuration> c2_space_pareto = extract_space(c2_sims_pareto);
int n_ott_c2 = c2_space_pareto.size();
save_simulations(c2_sims,filename+"_c2.exp");
save_simulations(c2_sims_pareto,filename+"_c2.pareto.exp");
write_to_log(pid,logfile,"Starting c4 exploration ");
// first of all, we cross merge c1 and c2
Space_mask c4_mask = get_space_mask(SET_PROCESSOR_UNITS);
vector<Configuration> c4_space = build_space(c4_mask);
t = (c4_space.size() * (average_exec_time+average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c4_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c4_sims = simulate_space(c4_space);
vector<Simulation> c4_sims_pareto = get_pareto(c4_sims);
save_simulations(c4_sims,filename+"_c4.exp");
save_simulations(c4_sims_pareto,filename+"_c4.pareto.exp");
vector<Configuration> c4_space_pareto = extract_space(c4_sims_pareto);
int n_ott_c4 = c4_space_pareto.size();
/////////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Starting c3 exploration ");
Space_mask c3_mask = get_space_mask(SET_L2U);
vector<Configuration> c3_space = build_space(c3_mask);
t = (c3_space.size() * average_exec_time)/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c3_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c3_sims = simulate_space(c3_space);
vector<Simulation> c3_sims_pareto = get_pareto(c3_sims);
save_simulations(c3_sims,filename+"_c3.exp");
save_simulations(c3_sims_pareto,filename+"_c3.pareto.exp");
vector<Configuration> c3_space_pareto = extract_space(c3_sims_pareto);
///////////////////////////////////////////////////////////////////////
// now we must perform an exhaustive exploration of c5..c9
Space_mask c5_mask = get_space_mask(UNSET_ALL);
c5_mask.gpr_static_size = true;
vector <Configuration> c5_space = build_space(c5_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c6_mask = get_space_mask(UNSET_ALL);
c6_mask.fpr_static_size = true;
vector <Configuration> c6_space = build_space(c6_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c7_mask = get_space_mask(UNSET_ALL);
c7_mask.pr_static_size = true;
vector <Configuration> c7_space = build_space(c7_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c8_mask = get_space_mask(UNSET_ALL);
c8_mask.cr_static_size = true;
vector <Configuration> c8_space = build_space(c8_mask);
///////////////////////////////////////////////////////////////////////
Space_mask c9_mask = get_space_mask(UNSET_ALL);
c9_mask.btr_static_size = true;
vector <Configuration> c9_space = build_space(c9_mask);
///////////////////////////////////////////////////////////////////////
// All c(i)_space are are ready to be explored
//////////////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c5 exploration ");
t = (c5_space.size() * average_exec_time + average_compilation_time)/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c5_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c5_sims = simulate_space(c5_space);
vector<Simulation> c5_sims_pareto = get_pareto(c5_sims);
save_simulations(c5_sims,filename+"_c5.exp");
save_simulations(c5_sims_pareto,filename+"_c5.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c6 exploration ");
t = (c6_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c6_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c6_sims = simulate_space(c6_space);
vector<Simulation> c6_sims_pareto = get_pareto(c6_sims);
save_simulations(c6_sims,filename+"_c6.exp");
save_simulations(c6_sims_pareto,filename+"_c6.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c7 exploration ");
t = (c7_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c7_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c7_sims = simulate_space(c7_space);
vector<Simulation> c7_sims_pareto = get_pareto(c7_sims);
save_simulations(c7_sims,filename+"_c7.exp");
save_simulations(c7_sims_pareto,filename+"_c7.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c8 exploration ");
t = (c8_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c8_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c8_sims = simulate_space(c8_space);
vector<Simulation> c8_sims_pareto = get_pareto(c8_sims);
save_simulations(c8_sims,filename+"_c8.exp");
save_simulations(c8_sims_pareto,filename+"_c8.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile," -> Started c9 exploration ");
t = (c9_space.size() * (average_exec_time + average_compilation_time))/60;
sprintf(mess," (%d explorations, estimated time %d minutes) ",c9_space.size(),t);
write_to_log(pid,logfile,mess);
vector<Simulation> c9_sims = simulate_space(c9_space);
vector<Simulation> c9_sims_pareto = get_pareto(c9_sims);
save_simulations(c9_sims,filename+"_c9.exp");
save_simulations(c9_sims_pareto,filename+"_c9.pareto.exp");
// Phase 1 of alg is finished, we have the pareto optimal
// configuration of all clusters
// Once we have explored c5..c9 considering each pareto of c4, we
// can compute pareto of the union collected simulations
vector<Simulation> all_sims;
append_simulations(all_sims,c1_sims_pareto);
append_simulations(all_sims,c2_sims_pareto);
append_simulations(all_sims,c3_sims_pareto);
append_simulations(all_sims,c4_sims_pareto);
append_simulations(all_sims,c5_sims_pareto);
append_simulations(all_sims,c6_sims_pareto);
append_simulations(all_sims,c7_sims_pareto);
append_simulations(all_sims,c8_sims_pareto);
append_simulations(all_sims,c9_sims_pareto);
remove_dominated_simulations(all_sims);
save_simulations(all_sims,filename+"_GLOBAL_no_merge.pareto.exp");
write_to_log(pid,logfile,"DEPMOD simulation Phase1 ended. ");
/////////////////////////////////////////////////////////////////////////////
/// PHASE 2 - merging all clusters, couple by couple .
//
// c1toN_space:
// resulting space from cross merging c1toN-1_space and cN_space
write_to_log(pid,logfile,"Starting Phase 2 . ");
vector<Configuration> c5_space_pareto = extract_space(c5_sims_pareto);
vector<Configuration> c6_space_pareto = extract_space(c6_sims_pareto);
vector<Configuration> c7_space_pareto = extract_space(c7_sims_pareto);
vector<Configuration> c8_space_pareto = extract_space(c8_sims_pareto);
vector<Configuration> c9_space_pareto = extract_space(c9_sims_pareto);
// this is the vector where pareto simulations will be stored
vector<Simulation> pareto_set;
append_simulations(pareto_set,c1_sims_pareto);
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged c1 and c2 clusters... ");
vector<Configuration> c1to2_space = build_space_cross_merge(c1_space_pareto,
c2_space_pareto,
c1_mask,
c2_mask);
vector<Simulation> c1to2_sims = simulate_space(c1to2_space);
append_simulations(pareto_set,c1to2_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to2_space_pareto = extract_space(pareto_set);
save_simulations(c1to2_sims,filename+"_c1to2.exp");
save_simulations(pareto_set,filename+"_c1to2.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to2) and c3 clusters... ");
Space_mask c1_c2_mask = mask_union(c1_mask,c2_mask);
vector<Configuration> c1to3_space = build_space_cross_merge(c1to2_space_pareto,
c3_space_pareto,
c1_c2_mask,
c3_mask);
vector<Simulation> c1to3_sims = simulate_space(c1to3_space);
append_simulations(pareto_set,c1to3_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to3_space_pareto = extract_space(pareto_set);
save_simulations(c1to3_sims,filename+"_c1to3.exp");
save_simulations(pareto_set,filename+"_c1to3.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to3) and c4 clusters... ");
Space_mask c1to3_mask = mask_union(c1_c2_mask,c3_mask);
vector<Configuration> c1to4_space = build_space_cross_merge(c1to3_space_pareto,
c4_space_pareto,
c1to3_mask,
c4_mask);
vector<Simulation> c1to4_sims = simulate_space(c1to4_space);
append_simulations(pareto_set,c1to4_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to4_space_pareto = extract_space(pareto_set);
save_simulations(c1to4_sims,filename+"_c1to4.exp");
save_simulations(pareto_set,filename+"_c1to4.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to4) and c5 clusters... ");
Space_mask c1to4_mask = mask_union(c1to3_mask,c4_mask);
vector<Configuration> c1to5_space = build_space_cross_merge(c1to4_space_pareto,
c5_space_pareto,
c1to4_mask,
c5_mask);
vector<Simulation> c1to5_sims = simulate_space(c1to5_space);
append_simulations(pareto_set,c1to5_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to5_space_pareto = extract_space(pareto_set);
save_simulations(c1to5_sims,filename+"_c1to5.exp");
save_simulations(pareto_set,filename+"_c1to5.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to5) and c6 clusters... ");
Space_mask c1to5_mask = mask_union(c1to4_mask,c5_mask);
vector<Configuration> c1to6_space = build_space_cross_merge(c1to5_space_pareto,
c6_space_pareto,
c1to5_mask,
c6_mask);
vector<Simulation> c1to6_sims = simulate_space(c1to6_space);
append_simulations(pareto_set,c1to6_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to6_space_pareto = extract_space(pareto_set);
save_simulations(c1to6_sims,filename+"_c1to6.exp");
save_simulations(pareto_set,filename+"_c1to6.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to6) and c7 clusters... ");
Space_mask c1to6_mask = mask_union(c1to5_mask,c6_mask);
vector<Configuration> c1to7_space = build_space_cross_merge(c1to6_space_pareto,
c7_space_pareto,
c1to6_mask,
c7_mask);
vector<Simulation> c1to7_sims = simulate_space(c1to7_space);
append_simulations(pareto_set,c1to7_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to7_space_pareto = extract_space(pareto_set);
save_simulations(c1to7_sims,filename+"_c1to7.exp");
save_simulations(pareto_set,filename+"_c1to7.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to7) and c8 clusters... ");
Space_mask c1to7_mask = mask_union(c1to6_mask,c7_mask);
vector<Configuration> c1to8_space = build_space_cross_merge(c1to7_space_pareto,
c8_space_pareto,
c1to7_mask,
c8_mask);
vector<Simulation> c1to8_sims = simulate_space(c1to8_space);
append_simulations(pareto_set,c1to8_sims);
remove_dominated_simulations(pareto_set);
vector<Configuration> c1to8_space_pareto = extract_space(pareto_set);
save_simulations(c1to8_sims,filename+"_c1to8.exp");
save_simulations(pareto_set,filename+"_c1to8.pareto.exp");
///////////////////////////////////////////////////////////////
write_to_log(pid,logfile,"Simulating merged (c1to8) and c9 clusters... ");
Space_mask c1to8_mask = mask_union(c1to7_mask,c8_mask);
vector<Configuration> c1to9_space = build_space_cross_merge(c1to8_space_pareto,
c9_space_pareto,
c1to8_mask,
c9_mask);
vector<Simulation> c1to9_sims = simulate_space(c1to9_space);
append_simulations(pareto_set,c1to9_sims);
remove_dominated_simulations(pareto_set);
save_simulations(c1to9_sims,filename+"_c1to9.exp");
save_simulations(pareto_set,filename+"_pareto.exp");
stats.end_time = time(NULL);
stats.n_sim = get_sim_counter();
save_stats(stats,filename+".stat");
write_to_log(pid,logfile,"End of Phase 2 ");
write_to_log(pid,logfile,"End of DEPMOD simulation ");
}