Benchmarking, PXC debugging

VirtualComputer/src/sznp/virtualcomputer/Test.java

@@ -5,10 +5,16 @@ import com.aparapi.Range;
 import com.sun.jna.Native;
 import com.sun.jna.Pointer;
 import jnr.ffi.LibraryLoader;
+import org.bukkit.Color;
+import org.bukkit.map.MapPalette;
 
 import java.io.File;
+import java.lang.reflect.Field;
+import java.nio.Buffer;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
+import java.util.stream.IntStream;
+import java.util.stream.LongStream;
 
 public class Test {
 	public static void main(String[] args) {
@@ -20,18 +26,47 @@ public class Test {
 		System.out.println(bb.get(0)); //19 AYY //TO!DO: Use setSource, we don't want to wrap the native array*/
 		//final int[] a={5,6,8,2,3,10,5,26,5,416,41,85,416,41};
 		//final int[] b={10,80,10,3,32,20,56,85,51,968,156,5894,10,60,52};
-		final int[] a={5,6};
+		//final int[] a={5,6};
-		final int[] b={10,80};
+		//final int[] b={10,80};
+		long t=System.nanoTime();
+		int[] a= IntStream.range(0, 640*480).toArray();
 		final int[] res=new int[a.length];
 		Kernel kernel=new Kernel() {
 			@Override
 			public void run() {
 				int i=getGlobalId();
 				//System.out.println(i);
-				res[i]=a[i]+b[i];
+				//res[i]=a[i]+b[i];
+				Color c=Color.fromBGR((int)a[i]);
+				res[i]= MapPalette.matchColor(c.getRed(), c.getGreen(), c.getBlue());
 			}
 		};
 		kernel.execute(Range.create(res.length));
-		System.out.println(Arrays.toString(res));
+		//System.out.println(Arrays.toString(res));
+		System.out.println(a[10]);
+		System.out.println("OpenCL time: "+(System.nanoTime()-t)/1000000f+"ms");
+
+		t=System.nanoTime();
+		for (int i = 0; i < res.length; i++) {
+			Color c=Color.fromBGR((int)a[i]);
+			res[i]= MapPalette.matchColor(c.getRed(), c.getGreen(), c.getBlue());
+		}
+		System.out.println("For loop time: "+(System.nanoTime()-t)/1000000f+"ms");
+
+		t=System.nanoTime();
+		System.arraycopy(a, 0, res, 0, res.length);
+		System.out.println("Sys time: "+(System.nanoTime()-t)/1000000f+"ms");
+
+		PXCLib pxc = LibraryLoader.create(PXCLib.class).search(new File("").getAbsolutePath()).load("pxc");
+		ByteBuffer bb=ByteBuffer.allocateDirect(640*480);
+		try {
+			Field f=Buffer.class.getDeclaredField("address");
+			f.setAccessible(true);
+			long addr= (long) f.get(bb);
+			pxc.setSource(addr, 640, 480, 5, 4);
+			pxc.updateAndGetMap(0, 0, 640, 480, null);
+		} catch (NoSuchFieldException | IllegalAccessException e) {
+			e.printStackTrace();
+		}
 	}
 }

libpxc/pxc.c

@@ -38,6 +38,18 @@ void setSource(addr address, short w, short h, short mcx, short mcy) {
 	image=(void*)address;
 	maps=malloc(MAPSIZE*MAPSIZE*mcx*mcy); //1 byte per pixel
 	width=w, height=h, mapcx=mcx, mapcy=mcy;
+	printf("PXC: w=%d h=%d mcx=%d mcy=%d\n", w, h, mcx, mcy);
+}
+
+NativeColor* getNativeColor(int x, int y) {
+	if(x<0||x>width||y<0||y>height) return NULL;
+	return ((NativeColor*)image)+x+y*width;
+}
+
+char* getMapColor(int x, int y) {
+	if(x<0||x>width||y<0||y>height) return NULL;
+	int mc=x/MAPSIZE+y/MAPSIZE*mapcx;
+	return maps+mc*MAPSIZE*MAPSIZE; //TODO: Use
 }
 
 //May return 0
@@ -45,16 +57,25 @@ void* updateAndGetMap(int x, int y, int w, int h, int** out_changed) { //TODO: S
 	if(image==NULL || maps==NULL) return 0;
 	char* mapp = maps;
 	NativeColor* imgp = image;
+	printf("PXC: mapp=%p imgp=%p\n", mapp, imgp);
 	for(int k=0; k<mapcx; k++) {
+		printf("PXC: k=%d\n", k);
 		for(int l=0; l<mapcy; l++) {
+			printf("PXC: l=%d\n", l);
 			mapp = maps + MAPSIZE*k + MAPSIZE*mapcx*MAPSIZE*l; //Go to the start of the map
+			printf("PXC: mapp=%p imgp=%p - %d\n", mapp, imgp, *mapp);
 			for(short i=0; i<MAPSIZE; i++) { //We need to jump
 				for(short j=0; j<MAPSIZE; j++) {
-					*mapp=matchColor(*imgp);
+					//*mapp=matchColor(*imgp); - TODO
+					NativeColor x={.red=0, .green=0, .blue=255};
+					*mapp=matchColor(x);
+					printf("PXC: imgp: %ld - %x\n", (void*)imgp-image, *imgp); //TODO: The bottom of the image
+					printf("PXC: mapcx: %d mapcy: %d\n", k, l); //TODO: Has nothing
 					imgp++; //Increment by the size of NativeColor so 4
 					mapp++;
 				}
 				imgp+=width-MAPSIZE; //Go back to the first column
+				//printf("Row done, imgp=%p\n", imgp);
 			}
 			imgp+=MAPSIZE; //Go to the next map, kind of - TODO: Use X and Y coords!
 			if((void*)mapp - maps     >    MAPSIZE * MAPSIZE * mapcx * mapcy ||
@@ -64,6 +85,7 @@ void* updateAndGetMap(int x, int y, int w, int h, int** out_changed) { //TODO: S
 			}
 		}
 	}
+	printf("PXC: ret maps=%p\n", maps);
 	return maps; //TODO: Return changed only
 }
 

libpxc/pxct.c

@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <stdlib.h>
 
 /* https://www.cprogramming.com/tutorial/shared-libraries-linux-gcc.html
 gcc -Wall -c -fpic pxc.c
@@ -8,8 +9,17 @@ gcc -Wall pxct.c -L. -lpxc -Wl,-rpath=.
 
 int convert(int px[], int *out[]);
 
+typedef long long int addr;
+void setSource(addr address, short w, short h, short mcx, short mcy);
+void* updateAndGetMap(int x, int y, int w, int h, int** out_changed);
+
 int main() {
-	convert(NULL, NULL);
+	printf("Setting source...");
+	void* p = malloc(640*480*4);
+	setSource((addr)p, 640, 480, 5, 4);
+	printf("Updating map...");
+	void* x=updateAndGetMap(0, 0, 640, 480, NULL);
+	free(p);
 	return 0;
 }