Beispiel #1
0
/// strided insertion into nxn array (insert going down columns first into row
//major array
void stridedInsert()
{
    MDArray *array;
    Btree::MSplitter<Datum_t> leafSp;
    Btree::MSplitter<PID_t> intSp;
    if (type == DMA)
        array = new MDArray(dim, type, row, fileName);
    else if (type == BTREE)
        array = new MDArray(dim, row, &leafSp, &intSp, fileName);
   PagedStorageContainer::resetPerfCounts();

   gettimeofday(&tim, NULL);
   t1 = tim.tv_sec + tim.tv_usec/1000000.0;
   for (i64 j = 0; j < n; j++)
   {
      for (i64 i = 0; i < n; i++)
      {
         coord = MDCoord(2, i, j);
         array->put(coord, 12345);
      }
   }
   delete array;

   gettimeofday(&tim, NULL);
   t2 = tim.tv_sec + tim.tv_usec/1000000.0;
   readCount += PagedStorageContainer::readCount;
   writeCount += PagedStorageContainer::writeCount;
   accessTime += PagedStorageContainer::accessTime;
   execTime += (t2 - t1);

   fprintf(pFile, "%-14s %8i %8i %11.3f %11.3f\n", "stride insert", PagedStorageContainer::readCount, PagedStorageContainer::writeCount, PagedStorageContainer::accessTime, t2-t1);
   
}
Beispiel #2
0
int main(int argc, char **argv)
{
	const int required = 2;
	char fileName[100] = "/riot/mb";
	unsigned int tm;
	if (argc >= required+1)
		tm = atoi(argv[required]);
	else
		tm = time(NULL);
	srand(tm);
	cerr<<"seed = "<<tm<<endl;
	if (argc < required) {
		cerr<<"Usage: "<<argv[0]<<"<splitter type>"<<endl
			<<"splitter type: M,A,D"<<endl;
		return 0;
	}

	char splitterType = argv[1][0];

    i64 arraydims[] = {20000,20000};
    i64 blockdims[] = {31,31};
    u8 orders[] = {0, 1};
    Linearization<2> *lin = new BlockBased<2>(arraydims, blockdims, orders,
                                              orders);
    MDArray<2> *array;
    StorageParam sp;
    sp.fileName = fileName;
    sp.intSp = 'M';
    sp.leafSp = splitterType;
    if (splitterType == 'D') {
        // dma
        sp.type = DMA;
    }
    else if (splitterType == 'M') {
        sp.type = BTREE;
        sp.useDenseLeaf = false;
    }
    else if (splitterType == 'A') {
        sp.type = BTREE;
        sp.useDenseLeaf = true;
    }
    else {
        cerr<<"wrong splitter type"<<endl;
        exit(1);
    }
    
    array = new MDArray<2>(&sp, MDCoord<2>(arraydims), lin);

    for (i64 i=0; i<20000; ++i) {
        for (i64 j=0; j<20000; ++j) {
            MDCoord<2> c(i,j);
            array->put(c, 1.0);
        }
    }
	delete lin;
    delete array;
}
Beispiel #3
0
/// random insertion into nxn array, all indices are written to once
void randomInsert()
{
   i64 k[n*n];
   int stride = 5;
   int num = n*n/stride;
   for (int i = 0; i < num; i++)
   {
      k[i] = i*stride;
   }
    MDArray *array;
    Btree::MSplitter<Datum_t> leafSp;
    Btree::MSplitter<PID_t> intSp;
    if (type == DMA)
        array = new MDArray(dim, type, row, fileName);
    else if (type == BTREE)
        array = new MDArray(dim, row, &leafSp, &intSp, fileName);
   PagedStorageContainer::resetPerfCounts();
   permute(k, num);
   i64 *i = k;

   gettimeofday(&tim, NULL);
   t1 = tim.tv_sec + tim.tv_usec/1000000.0;
   while (i < k + num)
   {
      coord = MDCoord(2, *i/n, *i%n);
      array->put(coord, 12345);
      i++;
   }
   delete array;

   gettimeofday(&tim, NULL);
   t2 = tim.tv_sec + tim.tv_usec/1000000.0;
   readCount += PagedStorageContainer::readCount;
   writeCount += PagedStorageContainer::writeCount;
   accessTime += PagedStorageContainer::accessTime;
   execTime += (t2 - t1);

   fprintf(pFile, "sparsity %4.3f\n", 1.0/stride);
   fprintf(pFile, "%-14s %8i %8i %11.3f %11.3f\n", "rand insert", PagedStorageContainer::readCount, PagedStorageContainer::writeCount, PagedStorageContainer::accessTime, t2-t1);


}
Beispiel #4
0
TEST(DISABLED_MDArray, Create)
{
    i64 rows = 500L;
    i64 cols = 500L;
    MDCoord dim(2, rows, cols);
    StorageType type = DMA;
    Linearization *row = new RowMajor(dim);
    Linearization *col = new ColMajor(dim);
    i64 blockDims[] = {100L, 100L};
    u8 blockOrders[] = {0, 1};
    u8 microOrders[] = {0, 1};
    permute(blockOrders, dim.nDim);
    permute(microOrders, dim.nDim);
    Linearization *block = new BlockBased(dim.nDim, dim.coords, blockDims,
                                          blockOrders, microOrders);
    const char *fileName = "test.bin";

    MDArray *array = new MDArray(dim, type, row, fileName);
    MDCoord coord1 = MDCoord(2, 120, 19);
    ASSERT_TRUE(AC_OK == array->put(coord1, 12345));
    Datum_t datum;
    ASSERT_TRUE(AC_OK == array->get(coord1, datum));
    ASSERT_DOUBLE_EQ(12345, datum);

    MDCoord coord2 = MDCoord(2, 400, 133);
    ASSERT_TRUE(AC_OK == array->put(coord2, 12.345));
    MDCoord coord3 = MDCoord(2, 256, 19);
    ASSERT_TRUE(AC_OK == array->put(coord3, 1000));
    ASSERT_TRUE(AC_OK == array->get(coord2, datum));
    ASSERT_DOUBLE_EQ(12.345, datum);
    ASSERT_TRUE(AC_OK == array->get(coord3, datum));
    ASSERT_DOUBLE_EQ(1000, datum);

    // dense itor, write
    MDIterator *it = array->createIterator(Dense, row);
    MDCoord coord;
    int i = 0;
    while (it->moveNext()) 
    {
        it->put(i);
        i++;
    } 
    ASSERT_EQ(rows*cols, i);
    delete it;

    // block itor, read
    it = array->createIterator(Dense, block);
    i = 0;
    while(it->moveNext())
    {
        it->get(coord, datum);
        ASSERT_DOUBLE_EQ(row->linearize(coord), datum);
        i++;
    }
    ASSERT_EQ(rows*cols, i);
    delete it;

    /*
    // natural itor, read
    it = array->createNaturalIterator(Dense);
    i = 1;
    while(it->moveNext())
    {
        it->get(coord, datum);
        ASSERT_EQ(i, row->linearize(coord));
        ASSERT_EQ(i, datum);
        i++;
    }
    ASSERT_EQ(rows*cols, i);
    delete it;
    */

    delete row;
    delete col;
    delete block;
    delete array;
}