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FGDStatModel

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This commit is contained in:
Vladislav Vinogradov 2012-11-12 13:09:39 +04:00
parent 28716d7f30
commit 7e57648ea2
1 changed files with 5 additions and 52 deletions
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55
modules/gpu/src/cuda/fgd_bgfg.cu
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@ -46,6 +46,8 @@
#include "opencv2/gpu/device/vec_math.hpp" #include "opencv2/gpu/device/vec_math.hpp"
#include "opencv2/gpu/device/limits.hpp" #include "opencv2/gpu/device/limits.hpp"
#include "opencv2/gpu/device/utility.hpp" #include "opencv2/gpu/device/utility.hpp"
#include "opencv2/gpu/device/reduce.hpp"
#include "opencv2/gpu/device/functional.hpp"
#include "fgd_bgfg_common.hpp" #include "fgd_bgfg_common.hpp"
using namespace cv::gpu; using namespace cv::gpu;
@ -181,57 +183,8 @@ namespace bgfg
__shared__ unsigned int data1[MERGE_THREADBLOCK_SIZE]; __shared__ unsigned int data1[MERGE_THREADBLOCK_SIZE];
__shared__ unsigned int data2[MERGE_THREADBLOCK_SIZE]; __shared__ unsigned int data2[MERGE_THREADBLOCK_SIZE];
data0[threadIdx.x] = sum0; plus<unsigned int> op;
data1[threadIdx.x] = sum1; reduce<MERGE_THREADBLOCK_SIZE>(smem_tuple(data0, data1, data2), thrust::tie(sum0, sum1, sum2), threadIdx.x, thrust::make_tuple(op, op, op));
data2[threadIdx.x] = sum2;
__syncthreads();
if (threadIdx.x < 128)
{
data0[threadIdx.x] = sum0 += data0[threadIdx.x + 128];
data1[threadIdx.x] = sum1 += data1[threadIdx.x + 128];
data2[threadIdx.x] = sum2 += data2[threadIdx.x + 128];
}
__syncthreads();
if (threadIdx.x < 64)
{
data0[threadIdx.x] = sum0 += data0[threadIdx.x + 64];
data1[threadIdx.x] = sum1 += data1[threadIdx.x + 64];
data2[threadIdx.x] = sum2 += data2[threadIdx.x + 64];
}
__syncthreads();
if (threadIdx.x < 32)
{
volatile unsigned int* vdata0 = data0;
volatile unsigned int* vdata1 = data1;
volatile unsigned int* vdata2 = data2;
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 32];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 32];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 32];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 16];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 16];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 16];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 8];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 8];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 8];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 4];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 4];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 4];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 2];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 2];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 2];
vdata0[threadIdx.x] = sum0 += vdata0[threadIdx.x + 1];
vdata1[threadIdx.x] = sum1 += vdata1[threadIdx.x + 1];
vdata2[threadIdx.x] = sum2 += vdata2[threadIdx.x + 1];
}
if(threadIdx.x == 0) if(threadIdx.x == 0)
{ {