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some fixes

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This commit is contained in:
Evghenii
2014-01-30 11:32:27 +01:00
parent eb57852f2e
commit e93c2b88ba
4 changed files with 31 additions and 6 deletions
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2
examples_ptx/cuda_helpers.cuh
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@@ -13,3 +13,5 @@
#define warpIdx (threadIdx.x >> 5)
#define launch(ntx,nty,ntz,func) if (programIndex==0) func<<<dim3(((ntx)+4-1)/4,nty,ntz),128>>>
#define sync cudaDeviceSynchronize()
#define cif if
#define shuffle(x,y) __shfl(x,y)

3
examples_ptx/mergeSort/Makefile_gpu
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@@ -1,9 +1,10 @@
PROG=mergeSort
ISPC_SRC=mergeSort.ispc
#CU_SRC=mergeSort.cu
CU_SRC=mergeSort.cu
CXX_SRC=mergeSort.cpp mergeSort.cpp
PTXCC_REGMAX=64
#PTXCC_FLAGS= -Xptxas=-O3
#NVCC_FLAGS=-Xptxas=-O0
# LLVM_GPU=1
NVVM_GPU=1

23
examples_ptx/mergeSort/mergeSort.cpp
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@@ -94,6 +94,29 @@ int main (int argc, char *argv[])
printf("[sort ispc + tasks]:\t[%.3f] msec [%.3f Mpair/s]\n", tISPC2, 1.0e-3*n/tISPC2);
#if 0
printf("\n---\n");
for (int i = 0; i < 128; i++)
{
if ((i%32) == 0) printf("\n");
printf("%d ", (int)keysSrc[i]);
}
printf("\n---\n");
for (int i = 0; i < 128; i++)
{
if ((i%32) == 0) printf("\n");
printf("%d ", (int)keysBuf[i]);
}
printf("\n---\n");
for (int i = 0; i < 128; i++)
{
if ((i%32) == 0) printf("\n");
printf("%d ", (int)keysDst[i]);
}
printf("\n---\n");
#endif
std::sort(keysGld, keysGld + n);
for (int i = 0; i < n; i++)

9
examples_ptx/mergeSort/mergeSort.ispc
View File

@@ -387,6 +387,7 @@ void mergeRanksAndIndices(
}
#if 0
static inline
void merge(
int &dstPosA,
@@ -404,6 +405,7 @@ void merge(
if (programIndex < lenB)
dstPosB = binarySearchInclusive1(keyB, keyA, lenA, nPowTwoLenA) + programIndex;
}
#endif
#if 0
@@ -548,12 +550,9 @@ void mergeElementaryIntervalsKernel(
valB = srcVal[segmentBase + stride + startSrcB + programIndex];
}
int dstPosA, dstPosB;
// Compute destination addresses for merge data
if (programIndex < lenSrcA)
dstPosA = binarySearchExclusive1(keyA, keyB, lenSrcB, SAMPLE_STRIDE) + programIndex;
if (programIndex < lenSrcB)
dstPosB = binarySearchInclusive1(keyB, keyA, lenSrcA, SAMPLE_STRIDE) + programIndex;
int dstPosA = binarySearchExclusive1(keyA, keyB, lenSrcB, SAMPLE_STRIDE) + programIndex;
int dstPosB = binarySearchInclusive1(keyB, keyA, lenSrcA, SAMPLE_STRIDE) + programIndex;
int dstA = -1, dstB = -1;