Optimise

Author: cjbolt

EubosChess/src/main/java/eubos/search/transposition/FixedSizeTranspositionTable.java

@@ -222,7 +222,7 @@ private synchronized void pruneTable(EubosEngineMain eubos, int moveNumber) {
 	public void reset() {
 		for (int i=0; i < maxTableSize; i++) {
 			hashes[i] = 0L;
-			transposition_table[i] = 0L;
+			//transposition_table[i] = 0L;
 		}
 	}
 

EubosChess/src/test/java/eubos/neural_net/TrainingDataUpdater.java

@@ -2,6 +2,7 @@
 
 import java.io.BufferedReader;
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.PrintWriter;
@@ -30,6 +31,7 @@ public class TrainingDataUpdater {
 	public void setUp() {
 		EubosEngineMain.logger.setLevel(Level.OFF);
 		eubos_stub = new EubosEngineMain();
+		hashMap = new FixedSizeTranspositionTable(16,1);
 	}
 
 	private int getScoreForDepth(int searchDepth) {
@@ -39,21 +41,23 @@ private int getScoreForDepth(int searchDepth) {
 
 	protected void setupPosition(String fen) {
 		pm = new PositionManager( fen );
-		hashMap = new FixedSizeTranspositionTable();
+		hashMap.reset();
 		classUnderTest = new MiniMaxMoveGenerator(hashMap, pm, pm);
 		classUnderTest.setEngineCallback(eubos_stub);
 	}	
 
 	@Test
 	@Ignore
-	public void test_UpdateReferenceTrainingData()throws IllegalNotationException, IOException {
+	public void test_UpdateReferenceTrainingData()throws IllegalNotationException {
 		// Load each group of training data in turn (1M positions at a time)
-		File[] files = new File("D:\\tester\\out").listFiles();
+		File[] files = new File("C:\\\\NN").listFiles();
 		for (File filename : files) {
-			
+			int count = 0;
+			float total_time_ms = 0.0f;
 			// Read each file in, then position by position, update the score
+			Long then = System.currentTimeMillis();
 			try (BufferedReader in = new BufferedReader(new FileReader(filename));
-				 PrintWriter out = new PrintWriter("D:\\updated\\"+filename.getName(), "UTF-8")) {
+				 PrintWriter out = new PrintWriter("C:\\NN_updated\\"+filename.getName(), "UTF-8")) {
 				String entry;
 				while ((entry = in.readLine()) != null) {
 
@@ -68,8 +72,19 @@ public void test_UpdateReferenceTrainingData()throws IllegalNotationException, I
 					String updated_entry = fen + "|" + Integer.toString(score) + "|0.5";
 				    out.println(updated_entry);
 
-				    System.out.print('.');
+				    count++;
+				    if ((count % 1000) == 0) {
+				    	Long now = System.currentTimeMillis();
+				    	total_time_ms += (float)(now - then);
+				    	float rate = ((float)count) / (total_time_ms / 1000.0f); // average positions per second
+				    	System.out.print(String.format("%.1f pos/s\n", rate));
+				    	then = now;
+				    }
 				}
+			} catch (FileNotFoundException e) {
+				e.printStackTrace();
+			} catch (IOException e) {
+				e.printStackTrace();
 			}
 		}
 	}