Created
November 7, 2009 09:59
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kernel void matrixTranspose( global float *a, global float *b, constant float *c, constant int size ) | |
{ | |
int idx = get_global_id(0); | |
int idy = get_global_id(1); | |
b[idx * size + idy] = a[idy * size + idx]; | |
int BLOCKSIZE = 0; | |
int loops; | |
for (loops=0;loops<50;loops++) | |
{ | |
b[idx * size + idy] += a[idy * size + idx] / 2; | |
b[idx * size + idy] += a[idx * size + idy] / 2; | |
b[idx * size + idy] += c[idx]; | |
if( b[idx * size + idy] < 50 ){ | |
b[idx * size + idy] = ( b[idx * size + idy] / 100 ) * ( c[idx] / 20 ); | |
} | |
if(idx % 2 == 0){ | |
b[idx * size + idy] = b[idx * size + idy] - 20 + c[size - idx]; | |
} | |
} | |
if((idx % (size)) == size - 1){ | |
int i; | |
float som = 0; | |
for (i=0; i<(size); i++) { | |
som += b[idx * size + i]; | |
} | |
som = som / (size); | |
b[idx * size + idy] = som; | |
} | |
} |
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kernel void matrixTranspose( global float *a, global float *b, constant float *c, constant int size, global float *som ) | |
{ | |
int idx = get_global_id(0); | |
int idy = get_global_id(1); | |
int loops; | |
float cc = c[idx]; | |
float c2 = cc / 20; | |
float cidx = c[size - idx]; | |
float ayx = a[idy * size + idx]; | |
b[idx * size + idy] = ayx; | |
float bxy = b[idx * size + idy]; | |
float axy = a[idx * size + idy]; | |
for (loops=0;loops<50;loops++) | |
{ | |
/* bxy += ayx / 2 + axy / 2 + cc; */ | |
bxy += native_divide(ayx,2.0f) + native_divide(axy,2.0f) + cc; | |
if( bxy < 50 ){ | |
bxy = native_divide( bxy , 100.0f ) * c2; | |
} | |
if(idx % 2 == 0){ | |
bxy = bxy - 20 + cidx; | |
} | |
} | |
b[idx * size + idy] = bxy; | |
if(idx == size - 1){ | |
int i; | |
float som = 0; | |
for(i=0;i<size;i++) | |
{ | |
float s = b[idx * size +i]; | |
som += s; | |
} | |
b[idx * size + idy] = som; | |
} | |
} |
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