package com.opendoorlogistics.graphhopper;

import java.time.LocalDateTime;
import java.util.Arrays;

import com.graphhopper.routing.util.EncodingManager;
import com.graphhopper.util.shapes.GHPoint;
import com.opendoorlogistics.graphhopper.geocodes4profiling.UKGeocodes;

public class ProfileMatrixPerformance {
	public static void main(String []args){
		String graphFolder = "C:\\Data\\Graphhopper0.5\\great-britain-latest.osm-gh";
	//	String graphFolder = "C:\\temp\\TestGH0.5\\north-america-latest.osm-gh";
		int n = 250;

		GHPoint [] pnts = UKGeocodes.createUKGeocodes();
	//	GHPoint [] pnts = USAGeocodes.createUSAGeocodes();

		pnts = Arrays.copyOf(pnts, Math.min(n, pnts.length));					

		// just take the problem points
	//	pnts = new GHPoint[]{pnts[1],pnts[168]};
		
		
		System.out.println(LocalDateTime.now() + " - loading matrix from:" + graphFolder);
		CHMatrixGeneration ch = new CHMatrixGeneration(graphFolder, false);
		System.out.println(LocalDateTime.now() + " - starting matrix profiling for " + pnts.length + " points");
		MatrixResult result1 = ch.calculateMatrix(pnts,null);
		System.out.println(result1);
		
		MatrixResult result2 = ch.calculateMatrixOneByOne(pnts);
		System.out.println(result2);

		
		System.out.println(LocalDateTime.now() + " - finished" );

//		
//		System.out.println("Starting matrix profiling for " + pnts.length + " points");
//		for(int i =0 ; i <= 10 ; i++){
//			for(boolean memoryMapped : new boolean[]{
//					false,
//					true
//					}){
//				
//				
//				
//				CHMatrixGeneration ch = new CHMatrixGeneration(graphFolder, memoryMapped);
//
//				ch.getResponse(pnts[0], pnts[1]);
//				
//				// test problem points first
////				GHPoint to = pnts[168];
////				GHPoint from = pnts[1];
////				GHResponse response = ch.getResponse(from, to);
//				
//				long startNano = System.nanoTime();		
//				MatrixResult result = ch.calculateMatrix(pnts,null);
//				long endNano = System.nanoTime();
//
//				
//				System.out.println("Time in millis: "+ ((endNano-startNano) / 1000000.0) +" for memorymapped=" + memoryMapped + " and " + pnts.length + " points");
//				System.out.println("Allocated memory: " + (Runtime.getRuntime().totalMemory() / 1024) + " KB");
//			}
//	
//		}

	}
	

}