使用二维NDRange workgroup

作为初学者一直，经过多次的上网搜索你一定会看到迈克老狼的向量加法的示例，不知道你是否和我一样，刚开始并不是很准确的知道他的add.cl写的代码的意思，源码如下：

#pragma OPENCL EXTENSION cl_amd_printf : enable
__kernel void vecadd(__global const float* a, __global const float* b, __global float* c)

{

int x = get_global_id(0);

int y = get_global_id(1);

int width = get_global_size(0);

int height = get_global_size(1);

if(x == 1 && y ==1)

printf("%d, %d,%d,%d,%d,%d\n",get_local_size(0),get_local_size(1),get_local_id(0),

get_local_id(1),get_group_id(0),get_group_id(1));

c[x + y * width] = a[x + y * width] + b[x + y * width];

}

我们在k

这里面我把二维的这些值全部罗列出来如下：

int idx = get_global_id(0);
int idy = get_global_id(1);


uint wiWidth = get_global_size(0);
uint wiHeight = get_global_size(1);

uint gix_t = get_group_id(0);
uint giy_t = get_group_id(1); 

 

uint num_of_blocks_x = get_num_groups(0);
uint num_of_blocks_y = get_num_groups(1);

 

 

uint lix = get_local_id(0);
uint liy = get_local_id(1);

 

你会奇怪为什么他的add.cl优化会这么写：

c[x + y * width] = a[x + y * width] + b[x + y * width];

 

下面进行分析：

add.cpp关键的代码部分如下（只罗列出部分代码）：

#define width 8//256
#define height 16//256
#define NWITEMS  width*height//262144

size_t globalThreads[] = {width, height};
	size_t localx, localy;

	localx = 2;
	localy = 4;

	size_t localThreads[] = {localx, localy};

	clEnqueueNDRangeKernel( queue,
	kernel,
	2,
	NULL,
	globalThreads,
	localThreads, 0, NULL, &ev);

我自己的add.cl代码如下（里面添加啦打印，以便我们可以看出结果）：

 　 int idx = get_global_id(0);
    int idy = get_global_id(1);
     
    uint wiWidth  = get_global_size(0);
    uint wiHeight  = get_global_size(1);
    printf("Magnum Global idx = %d, idy = %d, sizeX =%d,sizeY =%d\n",idx,idy,wiWidth,wiHeight);
         
    uint gix_t = get_group_id(0); 
    uint giy_t = get_group_id(1);    
    uint num_of_blocks_x = get_num_groups(0); 
    uint num_of_blocks_y = get_num_groups(1); 

    printf("Magnum Group idx = %d, idy = %d, blockX=%d,blockY=%d\n",gix_t,gix_t,num_of_blocks_x,num_of_blocks_y);

    uint lix = get_local_id(0); 
    uint liy = get_local_id(1);

    uint LocalX = get_local_size(0);
    uint LocalY = get_local_size(1);

    printf("Magnum Local idx = %d, idy = %d, localX=%d,localY=%d\n\n",lix,liy,LocalX,LocalY);

 

输出的结果如下：

Magnum Global idx = 0, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 1, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 0, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 1, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 0, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 1, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 0, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 1, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 2, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 3, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 2, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 3, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 2, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 3, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 2, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 3, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 4, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 5, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 4, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 5, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 4, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 5, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 4, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 5, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 6, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 7, idy = 0, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 6, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 7, idy = 1, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 6, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 7, idy = 2, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 6, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 7, idy = 3, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 0, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 1, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 0, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 1, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 0, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 1, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 0, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 1, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 2, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 3, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 2, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 3, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 2, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 3, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 2, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 3, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 4, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 5, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 4, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 5, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 4, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 5, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 4, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 5, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 6, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 7, idy = 4, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 6, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 7, idy = 5, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 6, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 7, idy = 6, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 6, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 7, idy = 7, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 0, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 1, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 0, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 1, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 0, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 1, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 0, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 1, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 2, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 3, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 2, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 3, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 2, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 3, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 2, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 3, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 4, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 5, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 4, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 5, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 4, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 5, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 4, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 5, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 6, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 7, idy = 8, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 6, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 7, idy = 9, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 6, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 7, idy = 10, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 6, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 7, idy = 11, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 0, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 1, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 0, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 1, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 0, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 1, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 0, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 1, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 0, idy = 0, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 2, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 3, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 2, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 3, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 2, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 3, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 2, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 3, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 1, idy = 1, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 4, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 5, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 4, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 5, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 4, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 5, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 4, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 5, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 2, idy = 2, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4

Magnum Global idx = 6, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 0, localX=2,localY=4

Magnum Global idx = 7, idy = 12, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 0, localX=2,localY=4

Magnum Global idx = 6, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 1, localX=2,localY=4

Magnum Global idx = 7, idy = 13, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 1, localX=2,localY=4

Magnum Global idx = 6, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 2, localX=2,localY=4

Magnum Global idx = 7, idy = 14, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 2, localX=2,localY=4

Magnum Global idx = 6, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 0, idy = 3, localX=2,localY=4

Magnum Global idx = 7, idy = 15, sizeX =8,sizeY =16
Magnum Group idx = 3, idy = 3, blockX=4,blockY=4
Magnum Local idx = 1, idy = 3, localX=2,localY=4
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