Removed update that is not needed

Author: galfthan

nvidia-labs/lab4.pipelining/c99/solution_task3/main.cpp

@@ -22,7 +22,6 @@ int main() {
   for(int block = 0; block < num_blocks; block++ ) {
     int start = block * (HEIGHT/num_blocks),
         end   = start + (HEIGHT/num_blocks);
-#pragma acc update device(image[block*block_size:block_size])
 #pragma acc parallel loop
     for(int y=start;y<end;y++) {
       for(int x=0;x<WIDTH;x++) {

nvidia-labs/lab4.pipelining/c99/solution_task4/main.cpp

@@ -22,7 +22,6 @@ int main() {
   for(int block = 0; block < num_blocks; block++ ) {
     int start = block * (HEIGHT/num_blocks),
         end   = start + (HEIGHT/num_blocks);
-#pragma acc update device(image[block*block_size:block_size]) async
 #pragma acc parallel loop async
     for(int y=start;y<end;y++) {
       for(int x=0;x<WIDTH;x++) {

nvidia-labs/lab4.pipelining/c99/solution_task5/main.cpp

@@ -17,12 +17,11 @@ int main() {
   FILE *fp=fopen("image.pgm","wb");
   fprintf(fp,"P5\n%s\n%d %d\n%d\n","#comment",WIDTH,HEIGHT,MAX_COLOR);
   double st = omp_get_wtime();
-
-#pragma acc data create(image[WIDTH*HEIGHT])
+
+#pragma acc data create(image[WIDTH*HEIGHT])
   for(int block = 0; block < num_blocks; block++ ) {
     int start = block * (HEIGHT/num_blocks),
         end   = start + (HEIGHT/num_blocks);
-#pragma acc update device(image[block*block_size:block_size]) async(block)
 #pragma acc parallel loop async(block)
     for(int y=start;y<end;y++) {
       for(int x=0;x<WIDTH;x++) {