/** Sets up parameters. */ public void setup(final EvolutionState state, final Parameter base) { if (!(state instanceof EvolutionAgent)) state.output.fatal("DRMStatistics requires an EvolutionAgent", null, null); EvolutionAgent agent = (EvolutionAgent) state; super.setup(state, base); frequency = state.parameters.getIntWithDefault(base.push(P_FREQUENCY), null, 1); store_best = state.parameters.getBoolean(base.push(P_STORE_BEST), null, true); // use_collective = state.parameters.getBoolean(base.push(P_COLLECTIVE),null,true); // If we are root, set up the base filename and the logtable if (agent.iamroot) { // I'm not sure that outputting everything to the current directory is right basefilename = System.getProperty("user.dir") + File.separator + state.parameters.getFile(base.push(P_STATISTICS_FILE), null).getName(); logtable = new Hashtable(); } else defaultlog = -3; // Maybe can be useful for recognizing it as a non valid log creationtime = System.currentTimeMillis(); }
/** Logs standard statistics information. Posts it to the root agent if required. */ public void postEvaluationStatistics(final EvolutionState state) { super.postEvaluationStatistics(state); if (frequency == 0) return; // Frequency == 0 means that we want only final stats if (state.generation % frequency != 0) return; EvolutionAgent agent = (EvolutionAgent) state; StatisticsData data = new StatisticsData( new Address(agent.getName()), state.generation, getBestIndividual(state)); if (agent.iamroot) // Local logging printStatistics(state, data); else { // DRM logging /*if(use_collective){ data.put("type", EvolutionAgent.STATS_MESSAGE); agent.setContribution(data); }else*/ agent.fireMessage(agent.getRootAddress(), EvolutionAgent.M_STATS, data); } }
/** * This one checks that the stats message was received. If not, the message is sent again up to * five times. Run time an best individual of run are logged. */ public void finalStatistics(final EvolutionState state, final int result) { super.finalStatistics(state, result); EvolutionAgent agent = (EvolutionAgent) state; StatisticsData data = new StatisticsData( new Address(agent.getName()), state.generation, System.currentTimeMillis() - creationtime, getBestIndividual(state), getBestIndividual(state)); if (agent.iamroot) // Local logging printStatistics(state, data); // Every statistic will go there else { // DRM logging for (int i = 0; i < 5; i++) { // Try to send final data 5 times IRequest request = agent.fireMessage(agent.getRootAddress(), EvolutionAgent.M_STATS, data); while (request.getStatus() == IRequest.WAITING) { Thread.yield(); // try{Thread.sleep(1000);} // catch(Exception e){state.output.error("Exception: " + e);} } if (request.getStatus() == IRequest.DONE) { break; } else { state.output.error("There was an error sending final statistics."); try { Thread.sleep(1000 * i ^ 2); } catch (Exception e) { state.output.error("Exception: " + e); } } } } }
public void postInitializationStatistics(final EvolutionState state) { super.postInitializationStatistics(state); }