Commit 6254f686 authored by Andrey Filippov's avatar Andrey Filippov
Browse files

updated gpu kernel

parent 473bf75a

src/main/resources/TileProcessor.cuh

+64 −8
Original line number Diff line number Diff line
@@ -325,6 +325,16 @@ __constant__ float lpf_data[3][64]={ 
				0.05616371f, 0.04888546f, 0.03703642f, 0.02442406f, 0.01402412f, 0.00703062f, 0.00315436f, 0.00153247f,

				0.02728573f, 0.02374977f, 0.01799322f, 0.01186582f, 0.00681327f, 0.00341565f, 0.00153247f, 0.00074451f

		}};

__constant__ float lpf_rb_corr[64]={ // modify if needed

				1.00000000f, 0.92598908f, 0.79428680f, 0.63198650f, 0.46862740f, 0.32891038f, 0.22914618f, 0.17771927f,

				0.92598908f, 0.85745578f, 0.73550091f, 0.58521260f, 0.43394386f, 0.30456742f, 0.21218686f, 0.16456610f,

				0.79428680f, 0.73550091f, 0.63089153f, 0.50197854f, 0.37222456f, 0.26124917f, 0.18200779f, 0.14116007f,

				0.63198650f, 0.58521260f, 0.50197854f, 0.39940694f, 0.29616619f, 0.20786692f, 0.14481729f, 0.11231618f,

				0.46862740f, 0.43394386f, 0.37222456f, 0.29616619f, 0.21961164f, 0.15413642f, 0.10738418f, 0.08328412f,

				0.32891038f, 0.30456742f, 0.26124917f, 0.20786692f, 0.15413642f, 0.10818204f, 0.07536856f, 0.05845371f,

				0.22914618f, 0.21218686f, 0.18200779f, 0.14481729f, 0.10738418f, 0.07536856f, 0.05250797f, 0.04072369f,

				0.17771927f, 0.16456610f, 0.14116007f, 0.11231618f, 0.08328412f, 0.05845371f, 0.04072369f, 0.03158414f

		};

__constant__ float lpf_corr[64]={ // modify if needed

				1.00000000f, 0.87041007f, 0.65943687f, 0.43487258f, 0.24970076f, 0.12518080f, 0.05616371f, 0.02728573f,

				0.87041007f, 0.75761368f, 0.57398049f, 0.37851747f, 0.21734206f, 0.10895863f, 0.04888546f, 0.02374977f,
@@ -512,7 +522,53 @@ __global__ void correlate2D( 
        __syncthreads();// __syncwarp();

#endif

#endif

        if (color == 1){ // LPF only after B (nothing in mono)



#ifdef DBG_TILE

#ifdef DEBUG6

        	if ((tile_num == DBG_TILE) && (corr_pair == 0) && (threadIdx.x == 0)){

        		printf("\ncorrelate2D LPF for RB correlation\n");

        		debug_print_lpf(lpf_rb_corr);

        	}

        	__syncthreads();// __syncwarp();

#endif

#endif



        	float *clt = clt_corr + threadIdx.x;

#pragma unroll

        	for (int q = 0; q < 4; q++){

        		float *lpf_rb = lpf_rb_corr + threadIdx.x;

#pragma unroll

        		for (int i = 0; i < DTT_SIZE; i++){

        			(*clt) *= (*lpf_rb);

        			clt    += DTT_SIZE1;

        			lpf_rb += DTT_SIZE;

        		}

        	}

        	__syncthreads();// __syncwarp();

#ifdef DBG_TILE

#ifdef DEBUG6

        	if ((tile_num == DBG_TILE) && (corr_pair == 0) && (threadIdx.x == 0)){

        		printf("\ncorrelate2D CORRELATION RB LPF-ed\n");

        		debug_print_clt1(clt_corr, -1,  0xf);

        	}

        	__syncthreads();// __syncwarp();

#endif

#endif

















        } // if (color == 1){ // LPF only after B (nothing in mono)









    } // for (int color = 0; color < colors; color++){

    normalizeTileAmplitude(

    		clt_corr, // float * clt_tile, //       [4][DTT_SIZE][DTT_SIZE1], // +1 to alternate column ports

			fat_zero); // float fat_zero ) // fat zero is absolute, scale it outside
@@ -614,7 +670,7 @@ Java code: 
#ifdef DBG_TILE

#ifdef DEBUG6

    if ((tile_num == DBG_TILE) && (corr_pair == 0) && (threadIdx.x == 0)){

        printf("\ncorrelate2D after UNFOL, corr_radius=%d\n",corr_radius);

        printf("\ncorrelate2D after UNFOLD, corr_radius=%d\n",corr_radius);

    	debug_print_corr_15x15(

    			corr_radius, // int     corr_radius,

    			mclt_corr,