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step.h
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step.h
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__global__
void cuda_step1_kernel(int rowA, int colA, int *d_rowpointerA, int *d_columnindexA,
int tilemA, int tilenA, int *d_tile_ptr_A, int *d_flag_t, int row_start_idx, int row_end_idx,int num_threads,int n_tile)
{
// if(threadIdx.x==1)
//printf("!!");
int global_id = blockIdx.x * blockDim.x + threadIdx.x;
if(global_id<num_threads)
{
//printf("global_id=%d\n",global_id);
int row=row_start_idx;
for(int i=row_start_idx;i<=row_end_idx;i++)
{
if(d_rowpointerA[row_start_idx]+global_id<d_rowpointerA[i+1])
{
row=i;
break;
}
}
int col=d_columnindexA[d_rowpointerA[row_start_idx]+global_id];
if(atomicAdd(&d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE],1)==0)
{
//d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE]=1;
atomicAdd(&d_tile_ptr_A[row/BLOCK_SIZE],1);
}
// d_flag_t[row%BLOCK_SIZE*tilenA+col/BLOCK_SIZE]=1;
//int flag=atomicAdd(&d_flag_t[row%BLOCK_SIZE*tilenA+col/BLOCK_SIZE],1);
// if()
//atomicAdd(&d_tile_ptr_A[row/tilemA],1);
}
__syncthreads();
}
//cuda_step2_kernel<<< num_blocks, 64 >>>(rowA, colA, d_rowpointerA, d_columnindexA, tilemA, tilenA, num_threads, row_start_idx, row_end_idx, d_tile_ptr_A,d_tile_columnidx,d_tile_nnz,d_tile_csr_ptr, numtileA,d_j_col,n_tile, d_flag_t);
__global__
void cuda_step2_kernel(int rowA, int colA, int *d_rowpointerA, int *d_columnindexA,
int tilemA, int tilenA,int num_threads,int row_start_idx, int row_end_idx, MAT_PTR_TYPE *d_tile_ptr_A, int *d_tile_columnidx,
int *d_tile_nnz, int *d_tile_csr_ptr, int numtileA,int *d_j_col,int n_tile,int *d_flag_t, int *d_j_num_t)
{
int global_id = blockIdx.x * blockDim.x + threadIdx.x;
if(global_id<num_threads)
{
//printf("global_id=%d\n",global_id);
int row=row_start_idx;
for(int i=row_start_idx;i<=row_end_idx;i++)
{
if(d_rowpointerA[row_start_idx]+global_id<d_rowpointerA[i+1])
{
row=i;
break;
}
}
int col=d_columnindexA[d_rowpointerA[row_start_idx]+global_id];
int tileptr=d_tile_ptr_A[row/BLOCK_SIZE];
//printf("row=%d col=%d tileptr=%d\n",row,col,d_tile_ptr_A[row/BLOCK_SIZE]);
//int k=0;
//k=atomicAdd(&d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE],1);
// if(atomicAdd(&d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE],1)==-1)
int j=0;
if(atomicAdd(&d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE],1)==0)
{
// j=atomicAdd(&d_j_col[(row/BLOCK_SIZE)%n_tile],1);
//d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE]=j;
d_j_num_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE]=atomicAdd(&d_j_col[(row/BLOCK_SIZE)%n_tile],1);
j=d_j_num_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE];
d_tile_columnidx[tileptr+j]=col/BLOCK_SIZE;
//printf("d_tile_columnidx=%d tileptr=%d j=%d ptr=%d\n",d_tile_columnidx[tileptr+j],tileptr,j,tileptr+j);
}
//printf("tileptr+j=%d %d=%d\n",tileptr+j,d_tile_columnidx[tileptr+j],col/BLOCK_SIZE);
//printf("row=%d col=%d j=%d tileptr=%d\n",row,col,j,tileptr);
/* j=d_j_num_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE];
// __threadfence();
atomicAdd(&d_tile_nnz[tileptr+j],1);
atomicAdd(&d_tile_csr_ptr[(tileptr+j)*BLOCK_SIZE+row%BLOCK_SIZE],1);
__syncthreads();*/
}
__syncthreads();
}
__global__
void cuda_step2_2_kernel(int rowA, int colA, int *d_rowpointerA, int *d_columnindexA,
int tilemA, int tilenA,int num_threads,int row_start_idx, int row_end_idx, MAT_PTR_TYPE *d_tile_ptr_A, int *d_tile_columnidx,
int *d_tile_nnz, int *d_tile_csr_ptr, int numtileA,int *d_j_col,int n_tile,int *d_flag_t, int *d_j_num_t)
{
int global_id = blockIdx.x * blockDim.x + threadIdx.x;
if(global_id<num_threads)
{
//printf("global_id=%d\n",global_id);
int row=row_start_idx;
for(int i=row_start_idx;i<=row_end_idx;i++)
{
if(d_rowpointerA[row_start_idx]+global_id<d_rowpointerA[i+1])
{
row=i;
break;
}
}
int col=d_columnindexA[d_rowpointerA[row_start_idx]+global_id];
int tileptr=d_tile_ptr_A[row/BLOCK_SIZE];
//printf("row=%d col=%d tileptr=%d\n",row,col,d_tile_ptr_A[row/BLOCK_SIZE]);
//int k=0;
//k=atomicAdd(&d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE],1);
// if(atomicAdd(&d_flag_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE],1)==-1)
int j=d_j_num_t[((row/BLOCK_SIZE)%n_tile)*tilenA+col/BLOCK_SIZE];
// __threadfence();
atomicAdd(&d_tile_nnz[tileptr+j],1);
atomicAdd(&d_tile_csr_ptr[(tileptr+j)*BLOCK_SIZE+row%BLOCK_SIZE],1);
// printf("row=%d tileptr+j=%d tileptr+j+row%BLOCK_SIZE=%d\n",row,tileptr+j,(tileptr+j)*BLOCK_SIZE+row%BLOCK_SIZE);
// __syncthreads();
}
__syncthreads();
}
__global__
void cuda_step3_kernel(int rowA, int colA, int *rowpointerA, int *columnindexA,
int tilemA, int tilenA, int numtileA, MAT_PTR_TYPE *tile_ptr_A, int *tile_columnidx, int *tile_nnz, char *Format,
int *tile_csr_ptr, int *blknnz, char *blkwidth, int *hyb_coocount,
int * denserowptr, int *densecolptr,
int *csr_offset, int *csrptr_offset, int *coo_offset, int *ell_offset, int *hyb_offset, int *dns_offset, int *dnsrow_offset, int *dnscol_offset,int blki_1,int num_tile_row,unsigned char *col_flag,int *new_coocount)
{
// if(blockIdx.x==1)
// printf("blockid----1=%d\n",blockIdx.x);
if(threadIdx.x==1)
{
int begin_blki=blki_1;
int blockid=blockIdx.x;
int blki;
for(int i=0;i<num_tile_row&&i+begin_blki<tilemA;i++)
{
if(tile_ptr_A[begin_blki]+blockid<tile_ptr_A[begin_blki+i+1])
{//printf("blki=%d tile_ptr_A[blki]=%d blockid=%d tile_ptr_A[blki+i+1]=%d\n",begin_blki,tile_ptr_A[begin_blki],blockid,tile_ptr_A[begin_blki+i+1]);
blki=i+begin_blki;
break;
}
}
if(blki==tilemA)
blki--;
// printf("blki=%d\n",blki);
//if(blockIdx.x==1)
// printf("blockid----2=%d\n",blockIdx.x);
//printf("step3\n");
//printf("Format=%d\n",Format[blki]);
//int tilenum_per_row=tile_ptr_A[blki+1]-tile_ptr_A[blki];
//printf("blockIdx.x=%d threadIdx.x=%d blki=%d tilenum_per_row=%d\n\n",blockIdx.x,threadIdx.x,blki,tilenum_per_row);
//
int rowlen= blki==tilemA-1 ? rowA-(tilemA-1)*BLOCK_SIZE : BLOCK_SIZE ;
// printf("rowlen=%d\n",rowlen);
// for (int bi=0;bi<tilenum_per_row;bi++)
// {
int collen = tile_columnidx[tile_ptr_A[begin_blki]+blockid] == tilenA-1 ? colA - (tilenA-1 ) * BLOCK_SIZE : BLOCK_SIZE ;
int tile_id = tile_ptr_A[begin_blki]+blockid;
int tilennz = tile_nnz[tile_id +1] - tile_nnz[tile_id];
int nnzthreshold = rowlen * collen * 0.5 ;
// printf("tilenum_per_row=%d rowlen=%d collen=%d tile_id=%d tilennz=%d nnzthreshold=%d\n",tilenum_per_row,rowlen,collen,tile_id,tilennz,nnzthreshold);
//printf("tile_id=%d tilennz=%d blki=%d\n",tile_id,tilennz,blki);
// if (1)
// {
// Format[tile_id] =0 ;
// blknnz[tile_id] = tilennz ;
// csr_offset[tile_id] = tilennz;
// csrptr_offset[tile_id] = rowlen;
// }
// printf("tilennz=%d nnzthreshold=%d COO_THRESHOLD%d\n",tilennz,nnzthreshold,COO_THRESHOLD);
if(1)
{
Format[tile_id] =0 ;
blknnz[tile_id] = tilennz ;
csr_offset[tile_id] = tilennz;
csrptr_offset[tile_id] = BLOCK_SIZE;
/* int bwidth=0;
//int hybwidth=0;
for (int blkj=0;blkj<rowlen;blkj++)
{
if (bwidth < tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] )
bwidth = tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] ;
}
Format[tile_id] = 2;
// printf("2222222222222222222\n");
blkwidth[tile_id]=bwidth;
blknnz[tile_id] = bwidth * rowlen ;
ell_offset[tile_id] = bwidth * rowlen;*/
/* Format[tile_id] = 1 ;
//printf("111111111111 blockid=%d\n",blockid);
blknnz[tile_id] = tilennz;
coo_offset[tile_id] = tilennz;
new_coocount[tile_id] = tilennz;*/
/* int bwidth=0;
//int hybwidth=0;
for (int blkj=0;blkj<rowlen;blkj++)
{
if (bwidth < tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] )
bwidth = tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] ;
}
int hybwidth=bwidth;
int iopriorsize= bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (char) ;
// int iopriorsize= bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (unsigned char) ;
// bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (char) /2 +1 ;
int ionextsize;
int coonextnum=0;
int coopriornum=0;
for (int wi=bwidth-1;wi>0;wi--)
{
coonextnum=0;
for (int blkj=0;blkj<rowlen;blkj++)
{
if ( tile_csr_ptr[tile_id * BLOCK_SIZE + blkj]> wi)
{
coonextnum += tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] - wi ;
}
}
ionextsize= wi * rowlen * sizeof (MAT_VAL_TYPE )+ wi * rowlen * sizeof ( char) + coonextnum * (sizeof (MAT_VAL_TYPE) + sizeof (unsigned char)) ;
// wi * rowlen * sizeof (MAT_VAL_TYPE )+ wi * rowlen * sizeof (char) /2 + 1 + coonextnum * (sizeof (MAT_VAL_TYPE) + sizeof (char)) ;
if (iopriorsize<=ionextsize)
{
hybwidth=wi+1;
break;
}
else
{
hybwidth = wi;
iopriorsize=ionextsize;
coopriornum=coonextnum;
}
}
Format[tile_id] = 3;
hyb_coocount[tile_id] = coopriornum;
blkwidth[tile_id]=hybwidth;
blknnz[tile_id] = coopriornum + hybwidth * rowlen ;
hyb_offset[tile_id] = coopriornum + hybwidth * rowlen;
new_coocount[tile_id] = coopriornum;*/
/* Format[tile_id] = 4 ;
// printf("Format=%d\n",Format[blki]);
// printf("444444444444 blockid=%d\n",blockid);
blknnz[tile_id] = rowlen * collen;
dns_offset[tile_id] = rowlen * collen;*/
//int rowlen= blki==tilemA-1 ? rowA-(tilemA-1)*BLOCK_SIZE : BLOCK_SIZE ;
//if(blki==tilemA-1)
//printf("blki=%d tilemA-1=%d rowA=%d rowlen=%d rowA-(tilemA-1)*BLOCK_SIZE=%d\n",blki,tilemA-1,rowA,rowlen,rowA-(tilemA-1)*BLOCK_SIZE);
return;
}
else
{
if (tilennz >= nnzthreshold) //if the number of nnz is more than 128, then dense
{
Format[tile_id] = 4 ;
// printf("Format=%d\n",Format[blki]);
// printf("444444444444 blockid=%d\n",blockid);
blknnz[tile_id] = rowlen * collen;
dns_offset[tile_id] = rowlen * collen;
return;
}
if (tilennz <= COO_THRESHOLD) //else if the number of nnz is less than 12, then coo
{
Format[tile_id] = 1 ;
//printf("111111111111 blockid=%d\n",blockid);
blknnz[tile_id] = tilennz;
coo_offset[tile_id] = tilennz;
new_coocount[tile_id] = tilennz;
return;
}
//if(blockid==1)
// printf("blockid----1=%d\n",blockid);
//---------------------------------------------------------------------------------
else if (tilennz % collen ==0 || tilennz % rowlen ==0)
{
int dnsrowflag =0 ;
int numdnsrow =0;
int dnscolflag =0;
int numdnscol =0;
for (int ri=0;ri < rowlen ;ri++)
{
if (tile_csr_ptr[tile_id * BLOCK_SIZE + ri] % collen !=0)
{
dnsrowflag =0;
break;
}
else
{
if (tile_csr_ptr[tile_id * BLOCK_SIZE + ri] == collen)
{
dnsrowflag =1;
numdnsrow ++ ;
}
}
}
if (dnsrowflag == 1)
{
Format[tile_id] = 5 ; //Dense Row
// printf("55555555555 blockid=%d\n",blockid);
denserowptr[tile_id] = numdnsrow ;
blknnz[tile_id] = numdnsrow * collen;
dnsrow_offset[tile_id] = numdnsrow * collen;
return;
}
else
{
int start = blki*BLOCK_SIZE;
int end = blki==tilemA-1 ? rowA : (blki+1)*BLOCK_SIZE ;
int jc = tile_columnidx[tile_id];
//printf("tile_id=%d start=%d end=%d rowpointerA[start]=%d rowpointerA[end]=%d\n",tile_id,start,end,rowpointerA[start],rowpointerA[end]);
// printf("start=%d end=%d\n",start,end);
//printf("start=%d end=%d rowpointerA[start]=%d rowpointerA[end]=%d\n",start,end,rowpointerA[start],rowpointerA[end]);
// printf("ggggggggggggggggg");
// unsigned char *dnscol_colidx_temp= (unsigned char *)malloc(tilennz * sizeof(unsigned char));
// memset(dnscol_colidx_temp, -1, tilennz * sizeof(unsigned char));
// int k=0;
//unsigned char *col_flag =(unsigned char *)malloc(collen * sizeof(unsigned char));
// memset(col_flag, 0, collen * sizeof(unsigned char));
// __shared__ unsigned char col_flag[17]={0};
for (int blkj = rowpointerA[start]; blkj < rowpointerA[end]; blkj ++)
{
int jc_temp = columnindexA[blkj]/BLOCK_SIZE;
//printf("tile_id=%d blockid=%d blkj=%d columnindexA[blkj]=%d jc=%d jc_temp=%d\n",tile_id,blockid,blkj,columnindexA[blkj],jc,jc_temp);
if (jc_temp == jc)
{
int col_temp = columnindexA[blkj] - jc * BLOCK_SIZE;
int k=blockid*BLOCK_SIZE+col_temp;
//printf("ggggggggggggggggg");
//printf("k=%d\n",k);
col_flag[blockid*BLOCK_SIZE+col_temp] ++;
//printf("tile_id=%d k=%d blockid=%d col_temp=%d col_flag[blockid*BLOCK_SIZE+col_temp]=%d blkj=%d columnindexA[blkj]=%d jc=%d\n",tile_id,k,blockid,col_temp,col_flag[blockid*BLOCK_SIZE+col_temp],blkj,columnindexA[blkj],jc);
}
}
for (int j =0; j < collen; j ++)
{
if (col_flag[blockid*BLOCK_SIZE+j] % rowlen !=0)
{
dnscolflag =0;
break;
}
else
{
if (col_flag[blockid*BLOCK_SIZE+j] == rowlen)
{
dnscolflag =1;
numdnscol ++ ;
}
}
}
if (dnscolflag == 1)
{
// printf("numdnscol = %i\n", numdnscol);
Format[tile_id] = 6 ; //Dense Col
//printf("666666666666 blockid=%d\n",blockid);
densecolptr[tile_id] = numdnscol ;
blknnz[tile_id] = numdnscol * rowlen;
dnscol_offset[tile_id] = numdnscol * rowlen;
return;
}
}
//printf("Format=%d\n",Format[blki]);
}
//printf("rowlen=%d\n",rowlen);
if (Format[tile_id] != 5 && Format[tile_id] !=6)
{
int bwidth=0;
//int hybwidth=0;
for (int blkj=0;blkj<rowlen;blkj++)
{
if (bwidth < tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] )
bwidth = tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] ;
}
double tilennz_d=(double)tilennz;
double row_length_mean = (double)(tilennz_d / rowlen);
double variance = 0.0;
double row_length_skewness = 0.0;
//printf("row_length_mean=%f tilennz=%d tilennz_d=%f rowlen=%d\n",row_length_mean,tilennz,tilennz_d,rowlen);
// printf("rowlen=%d\n",rowlen);
double rowlen_d=rowlen;
for (int row = 0; row < rowlen; ++row)
{
int length = tile_csr_ptr[tile_id * BLOCK_SIZE + row];
double delta = (double)((double)length - row_length_mean);
//printf("delta=%f\n",delta);
variance += (delta * delta);
// printf("cuda: tile_id=%d row=%d length=%d row_length_mean =%f delta=%f variance=%f\n",tile_id,row,length,row_length_mean,delta,variance);
row_length_skewness += (delta * delta * delta);
// printf("row=%d\n",row);
}
//printf("variance=%f rowlen=%d rowlen_d=%f\n",variance,rowlen,rowlen_d);
variance /= rowlen;
//printf("variance=%f\n",variance);
double row_length_std_dev = sqrt(variance);
row_length_skewness = (row_length_skewness / rowlen) / pow(row_length_std_dev, 3.0);
double row_length_variation = row_length_std_dev / row_length_mean;
double ell_csr_threshold = 0.2;
double csr_hyb_threshold = 1.0;
// printf("row_length_variation=%f row_length_std_dev=%f row_length_mean=%f variance=%f tilennz=%d rowlen=%d \n",row_length_variation,row_length_std_dev,row_length_mean,variance,tilennz,rowlen);
if (row_length_variation <= ell_csr_threshold) // if variation is less than 0.2, then ELL
{
Format[tile_id] = 2;
// printf("2222222222222222222\n");
blkwidth[tile_id]=bwidth;
blknnz[tile_id] = bwidth * rowlen ;
ell_offset[tile_id] = bwidth * rowlen;
}
/* else
{
int hybwidth=bwidth;
int iopriorsize = bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (char) ;
// bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (char) /2 +1 ;
int ionextsize;
int coonextnum=0;
int coopriornum=0;
for (int wi=bwidth-1;wi>=0;wi--)
{
coonextnum=0;
for (int blkj=0;blkj<rowlen;blkj++)
{
if ( tile_csr_ptr[tile_id * BLOCK_SIZE + blkj]> wi)
{
coonextnum += tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] - wi ;
}
}
ionextsize= wi * rowlen * sizeof (MAT_VAL_TYPE )+ wi * rowlen * sizeof ( char) + coonextnum * (sizeof (MAT_VAL_TYPE) + sizeof (unsigned char)) ;
// wi * rowlen * sizeof (MAT_VAL_TYPE )+ wi * rowlen * sizeof (char) /2 + 1 + coonextnum * (sizeof (MAT_VAL_TYPE) + sizeof (char)) ;
if (iopriorsize<=ionextsize)
{
hybwidth=wi+1;
break;
}
else
{
hybwidth = wi;
iopriorsize=ionextsize;
coopriornum=coonextnum;
}
}
if (row_length_variation >= csr_hyb_threshold )//&& coopriornum <= 4) // if variation > 1.0, and the number of coo data <=4, then HYB
{
Format[tile_id] = 3;
// printf("33333333333333333333\n");
hyb_coocount[tile_id] = coopriornum;
blkwidth[tile_id]=hybwidth;
blknnz[tile_id] = coopriornum + hybwidth * rowlen ;
hyb_offset[tile_id] = coopriornum + hybwidth * rowlen;
new_coocount[tile_id] = coopriornum;
//printf("3 tile_id=%d: row_length_variation=%f variance=%f tilennz=%d rowlen=%d \n",tile_id,row_length_variation,variance,tilennz,rowlen);
//printf("hyb_coocount[tile_id]=%d\n",hyb_coocount[tile_id]);
}
else //else CSR
{
Format[tile_id] =0 ;
// printf("000000000000000000000\n");
blknnz[tile_id] = tilennz ;
csr_offset[tile_id] = tilennz;
csrptr_offset[tile_id] = BLOCK_SIZE;
//printf("tile_id=%d: csr_offset[tile_id]=%d\n",tile_id,csr_offset[tile_id]);
//printf("0 tile_id=%d: row_length_variation=%f variance=%f tilennz=%d rowlen=%d \n",tile_id,row_length_variation,variance,tilennz,rowlen);
}
}*/
else
{
int hybwidth=bwidth;
int iopriorsize= bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (char) ;
// int iopriorsize= bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (unsigned char) ;
// bwidth * rowlen * sizeof (MAT_VAL_TYPE) + bwidth * rowlen * sizeof (char) /2 +1 ;
int ionextsize;
int coonextnum=0;
int coopriornum=0;
for (int wi=bwidth-1;wi>0;wi--)
{
coonextnum=0;
for (int blkj=0;blkj<rowlen;blkj++)
{
if ( tile_csr_ptr[tile_id * BLOCK_SIZE + blkj]> wi)
{
coonextnum += tile_csr_ptr[tile_id * BLOCK_SIZE + blkj] - wi ;
}
}
ionextsize= wi * rowlen * sizeof (MAT_VAL_TYPE )+ wi * rowlen * sizeof ( char) + coonextnum * (sizeof (MAT_VAL_TYPE) + sizeof (unsigned char)) ;
// wi * rowlen * sizeof (MAT_VAL_TYPE )+ wi * rowlen * sizeof (char) /2 + 1 + coonextnum * (sizeof (MAT_VAL_TYPE) + sizeof (char)) ;
if (iopriorsize<=ionextsize)
{
hybwidth=wi+1;
break;
}
else
{
hybwidth = wi;
iopriorsize=ionextsize;
coopriornum=coonextnum;
}
}
if (row_length_variation >= csr_hyb_threshold )//&& coopriornum <= 4) // if variation > 1.0, and the number of coo data <=4, then HYB
{
Format[tile_id] = 3;
hyb_coocount[tile_id] = coopriornum;
blkwidth[tile_id]=hybwidth;
blknnz[tile_id] = coopriornum + hybwidth * rowlen ;
hyb_offset[tile_id] = coopriornum + hybwidth * rowlen;
new_coocount[tile_id] = coopriornum;
}
else //else CSR
{
Format[tile_id] =0 ;
blknnz[tile_id] = tilennz ;
csr_offset[tile_id] = tilennz;
csrptr_offset[tile_id] = BLOCK_SIZE;
}
}
//printf("Format=%d\n",Format[blki]);
//printf("Format[tile_id]=%d\n",Format[tile_id]);
//}
}
}
//printf("blockid=%d\n",blockid);
}
__syncthreads();
}
__inline__ __device__
void exclusive_scan_cu(MAT_PTR_TYPE *input, int length)
{
if(length == 0 || length == 1)
return;
MAT_PTR_TYPE old_val, new_val;
old_val = input[0];
input[0] = 0;
for (int i = 1; i < length; i++)
{
new_val = input[i];
input[i] = old_val + input[i-1];
old_val = new_val;
}
}
__global__
void cuda_step4_kernel_1(int rowA, int colA, int *rowpointerA, int *columnindexA, MAT_VAL_TYPE *valueA,
int tilemA, int tilenA, int numtileA, MAT_PTR_TYPE *tile_ptr_A, int *tile_columnidx, int *tile_nnz, char *Format,
int *blknnz, int *csr_ptr, int nnz_temp, int tile_count_temp,
unsigned char *csr_colidx_temp_g,MAT_VAL_TYPE *csr_val_temp_g,int *tile_count_g,int blki_1,int num_tile_row)
{
//for each tile
// #pragma omp parallel for
if(threadIdx.x==1)
{
int begin_blki=blki_1;
int blockid=blockIdx.x;
int blki=begin_blki+blockid;
/* for(int i=0;i<num_tile_row&&i+begin_blki<tilemA;i++)
{
if(tile_ptr_A[begin_blki]+blockid<tile_ptr_A[begin_blki+i+1])
{printf("blki=%d tile_ptr_A[blki]=%d blockid=%d tile_ptr_A[blki+i+1]=%d\n",begin_blki,tile_ptr_A[begin_blki],blockid,tile_ptr_A[begin_blki+i+1]);
blki=i+begin_blki;
break;
}
}
if(blki==tilemA)
blki--;*/
//printf("blki=%d\n",blki);
int thread_id = blockIdx.x;
unsigned char *csr_colidx_temp = csr_colidx_temp_g + thread_id * nnz_temp;
MAT_VAL_TYPE *csr_val_temp = csr_val_temp_g + thread_id * nnz_temp;
int *tile_count = tile_count_g + thread_id * tile_count_temp;
// printf("blki=%d thread_id=%d thread_id * nnz_temp=%d\n",blki,thread_id,thread_id * nnz_temp);
// printf("thread_id=%d \n",thread_id);
// unsigned char *csr_colidx_temp = (unsigned char *)malloc((nnz_temp )*sizeof(unsigned char));
// MAT_VAL_TYPE *csr_val_temp = (MAT_VAL_TYPE *)malloc((nnz_temp)*sizeof(MAT_VAL_TYPE));
// int *tile_count = (int *)malloc(tile_count_temp * sizeof(int));
//memset(csr_colidx_temp, 0, (nnz_temp)*sizeof(unsigned char));
//memset(csr_val_temp, 0, (nnz_temp)*sizeof(MAT_VAL_TYPE));
//memset(tile_count, 0, (tile_count_temp)*sizeof(int));
int tilenum_per_row=tile_ptr_A[blki+1]-tile_ptr_A[blki];
int rowlen= blki==tilemA-1 ? rowA-(tilemA-1)*BLOCK_SIZE : BLOCK_SIZE ;
int start = blki*BLOCK_SIZE;
int end = blki==tilemA-1 ? rowA : (blki+1)*BLOCK_SIZE ;
//printf("")
// if (blki == 978)
// {
// printf("thread_id= ,tilenum_per_row=%i, nnz = %i\n", tilenum_per_row, rowpointerA[end]-rowpointerA[start]);
// printf("start = %i, end = %i\n",start, end);
// }
//printf("start=%d end=%d tilenum_per_row=%d\n",start,end,tilenum_per_row);
for (int blkj = rowpointerA[start]; blkj < rowpointerA[end]; blkj ++)
{
int jc_temp = columnindexA[blkj]/BLOCK_SIZE;
//printf("blkj = %i,col=%i\n", blkj, jc_temp);
for (int bi = 0; bi < tilenum_per_row; bi ++)
{
int tile_id = tile_ptr_A[blki]+bi;
int jc = tile_columnidx[tile_id];
int pre_nnz = tile_nnz[tile_id] - tile_nnz[tile_ptr_A[blki]];
if (jc == jc_temp)
{//printf("tile_id = %d blkj=%d jc=%d pre_nnz=%d\n", tile_id, blkj, jc, pre_nnz);
/* if(blkj>59511){
printf("tile_id = %d, jc=%d pre_nnz=%d\n", tile_id, jc, pre_nnz);}*/
csr_val_temp[pre_nnz + tile_count[bi]] = valueA[blkj];
csr_colidx_temp[pre_nnz + tile_count[bi]] = columnindexA[blkj] - jc * BLOCK_SIZE;
//printf("tile_id=%d jc=%d blkj=%d pre_nnz + tile_count[bi]=%d csr_val_temp=[]=%d \n",tile_id,jc,blkj,pre_nnz + tile_count[bi],csr_val_temp[pre_nnz + tile_count[bi]]);
// printf("tile_id=%d k1=%d tilennz=%d offset + k1=%d Tile_csr_Val[offset + k1]=%f pre_nnz=%d\n",tile_id, k1,tilennz,offset + k1,Tile_csr_Val[offset + k1],pre_nnz);
// printf("tile_id = %i, tilennz = %i, jc = %i, prennz = %i, val[%i]=%f,col_before= %i, col[] = %i\n",tile_id, tilennz, jc, pre_nnz,pre_nnz + tile_count[bi],csr_val_temp[pre_nnz + tile_count[bi]], columnindexA[blkj],csr_colidx_temp[pre_nnz + tile_count[bi]]);//
//printf("tile_id = %i, jc = %i, prennz = %i, val[%i]=%f,col_before= %i, col[] = %i bi=%d tile_count[bi]=%d\n",tile_id, jc, pre_nnz,pre_nnz + tile_count[bi],csr_val_temp[pre_nnz + tile_count[bi]], columnindexA[blkj],csr_colidx_temp[pre_nnz + tile_count[bi]],bi,tile_count[bi]);
tile_count[bi] ++; //woshicuode
break;
}
}
}
}
__syncthreads();
}
__global__
void cuda_step4_kernel_2(int rowA, int colA, int *rowpointerA, int *columnindexA, MAT_VAL_TYPE *valueA,
int tilemA, int tilenA, int numtileA, MAT_PTR_TYPE *tile_ptr_A, int *tile_columnidx, int *tile_nnz, char *Format,
int *blknnz, int *csr_ptr, int nnz_temp, int tile_count_temp,
unsigned char *csr_colidx_temp_g,MAT_VAL_TYPE *csr_val_temp_g,int *tile_count_g,
MAT_VAL_TYPE *Tile_csr_Val, unsigned char *Tile_csr_Col, unsigned char *Tile_csr_Ptr, int *csr_offset, int *csrptr_offset,
MAT_VAL_TYPE *Tile_coo_Val, unsigned char *Tile_coo_colIdx, unsigned char *Tile_coo_rowIdx, int *coo_offset,
MAT_VAL_TYPE *Tile_ell_Val, unsigned char *Tile_ell_colIdx, char *blkwidth, int *ell_offset,
MAT_VAL_TYPE *Tile_hyb_Val, unsigned char *Tile_hyb_ellcolIdx, unsigned char *Tile_hyb_coorowIdx, int * hyb_coocount, int *hyb_offset,
MAT_VAL_TYPE *Tile_dns_Val, int *dns_offset,
MAT_VAL_TYPE *Tile_denserow_Val, char *Tile_dnsrow_idx, int *denserowptr, int *dnsrow_offset,
MAT_VAL_TYPE *Tile_dnscol_Val, char *Tile_dnscol_idx, int *densecolptr, int *dnscol_offset,
int blki_1, int num_tile_row,int *new_coocount, MAT_VAL_TYPE *new_coo_value, int *new_coo_colidx, int *new_coo_rowidx)
{
if(threadIdx.x==1)
{//printf("hhh\n");
int begin_blki=blki_1;
int blockid=blockIdx.x;
int blki;
for(int i=0;i<num_tile_row&&i+begin_blki<tilemA;i++)
{
if(tile_ptr_A[begin_blki]+blockid<tile_ptr_A[begin_blki+i+1])
{//printf("blki=%d tile_ptr_A[blki]=%d blockid=%d tile_ptr_A[blki+i+1]=%d\n",begin_blki,tile_ptr_A[begin_blki],blockid,tile_ptr_A[begin_blki+i+1]);
blki=i+begin_blki;
break;
}
}
if(blki==tilemA)
blki--;
//printf("blki=%d\n",blki);
//printf("blockid=%d\n",blockid);
MAT_VAL_TYPE *csr_val_temp = csr_val_temp_g + (blki%num_tile_row) * nnz_temp;
unsigned char *csr_colidx_temp = csr_colidx_temp_g + (blki%num_tile_row) * nnz_temp;
int rowlen= blki==tilemA-1 ? rowA-(tilemA-1)*BLOCK_SIZE : BLOCK_SIZE ;
int bi = blockIdx.x;
int tile_id = tile_ptr_A[begin_blki]+bi;
//printf("blki=%d tile_id=%d (blkinum_tile_row) * nnz_temp=%d\n",blki,tile_id,(blki%num_tile_row) * nnz_temp);
int pre_nnz = tile_nnz[tile_id] - tile_nnz[tile_ptr_A[blki]];
int tilennz = tile_nnz[tile_id +1] - tile_nnz[tile_id];
int collen = tile_columnidx[tile_id] == tilenA-1 ? colA - (tilenA-1 ) * BLOCK_SIZE : BLOCK_SIZE ;
int format = Format[tile_id];
switch (format)
{
case 0:
{
int offset = csr_offset[tile_id];
int ptr_offset = csrptr_offset[tile_id];
// printf("tile_id=%d csr_offset[tile_id]=%d \n",tile_id,csr_offset[tile_id]);
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, rowlen);
int k1=0;
// printf("tile_id=%d k1=%d \n",tile_id,k1);
//printf("hhhhhh-tile_id=%d k1=%d tilennz=%d \n",tile_id,k1, tilennz);
for (; k1 < tilennz; k1++)
{
Tile_csr_Val[offset + k1] = csr_val_temp[pre_nnz + k1];
Tile_csr_Col[offset + k1] = csr_colidx_temp[pre_nnz + k1];
// printf("tile_id=%d offset=%d k1=%d tilennz=%d offset + k1=%d Tile_csr_Val[offset + k1]=%f pre_nnz=%d\n",tile_id,offset, k1,tilennz,offset + k1,Tile_csr_Val[offset + k1],pre_nnz);
// printf("tile_id=%d k1=%d tilennz=%d \n",tile_id,k1, tilennz);
//printf("h");
}
//CSR ptr
for (int pid=0; pid<rowlen; pid++)
{
Tile_csr_Ptr[ptr_offset+ pid] =ptr_temp[pid] ;
//printf("tile_id=%d blockid=%d ptr_offset+ pid:=%d Tile_csr_Ptr[ptr_offset+ pid]=%d\n",tile_id,blockid,ptr_offset+ pid,Tile_csr_Ptr[ptr_offset+ pid]);
// printf("tile_id=%d tile_csr_ptr = %i ptr_offset=%d pid=%d ptr_offset+ pid=%d , csr_ptr = %i\n", tile_id, Tile_csr_Ptr[ptr_offset+ pid] ,ptr_offset, pid,ptr_offset+ pid ,csr_ptr[tile_id * BLOCK_SIZE + pid]);
}
// unsigned char old_val = Tile_csr_Ptr[ptr_offset];
// unsigned char new_val;
// Tile_csr_Ptr[ptr_offset] =0;
// for (int pid =1; pid < BLOCK_SIZE; pid ++)
// {
// new_val = Tile_csr_Ptr[ptr_offset+pid];
// Tile_csr_Ptr[ptr_offset+pid] = old_val + Tile_csr_Ptr[ptr_offset+pid -1];
// old_val = new_val;
// }
break;
}
case 1:
{
int colidx_temp = tile_columnidx[tile_id];
int offset_new = new_coocount[tile_id];
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, BLOCK_SIZE);
//int offset_new=0;
for (int ri = 0; ri < rowlen; ri++)
{
int nnz_end = ri == rowlen -1 ? tilennz : ptr_temp[ ri +1];
for (int j = ptr_temp[ri]; j < nnz_end; j++)
{//printf("tile_id=%d offset_new=%d j=%d offset_new + j=%d\n",tile_id,offset_new , j,offset_new + j);
new_coo_rowidx[offset_new + j] = ri + blki * BLOCK_SIZE;
new_coo_value[offset_new + j] = csr_val_temp[pre_nnz + j] ;
new_coo_colidx[offset_new + j]=csr_colidx_temp[pre_nnz + j] + colidx_temp * BLOCK_SIZE;
}
}
/* int offset = coo_offset[tile_id];
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, rowlen);
for (int ri = 0; ri < rowlen; ri++)
{
int nnz_end = ri == rowlen -1 ? tilennz : ptr_temp[ ri +1];
for (int j = ptr_temp[ ri]; j < nnz_end; j++)
{
Tile_coo_rowIdx[offset+ j] = ri;
Tile_coo_Val[offset + j] = csr_val_temp[pre_nnz + j] ;
Tile_coo_colIdx[offset + j]=csr_colidx_temp[pre_nnz + j];
}
}*/
break;
}
case 2:
{
int offset = ell_offset[tile_id];
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, rowlen);
for (int ri = 0; ri < rowlen; ri++)
{
int nnz_end = ri == rowlen -1 ? tilennz : ptr_temp[ri +1];
for (int j = ptr_temp[ri]; j < nnz_end; j++)
{
int temp = j - ptr_temp[ri];
Tile_ell_colIdx[offset + temp * rowlen + ri] = csr_colidx_temp[pre_nnz + j];
Tile_ell_Val[offset + temp * rowlen + ri] = csr_val_temp[pre_nnz + j];
}
}
break;
}
case 3:
{
int colidx_temp = tile_columnidx[tile_id];
int offset = hyb_offset[tile_id];
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, BLOCK_SIZE);
int offset_new = new_coocount[tile_id];
int coocount=0;
for (int ri = 0; ri < rowlen; ri++)
{
int nnz_end = ri == rowlen -1 ? tilennz : ptr_temp[ri +1];
int stop= (nnz_end- ptr_temp[ri]) <= blkwidth[tile_id] ? nnz_end : ptr_temp[ri] + blkwidth[tile_id] ;
for (int j = ptr_temp[ri]; j < stop; j++)
{
int temp = j - ptr_temp[ri];
Tile_hyb_ellcolIdx[offset + temp * rowlen + ri] = csr_colidx_temp[pre_nnz + j];
Tile_hyb_Val[offset + temp * rowlen + ri] = csr_val_temp[pre_nnz + j];
}
/* for (int k=stop; k< nnz_end; k++)
{
Tile_hyb_Val[offset + blkwidth[tile_id] * rowlen + coocount] = csr_val_temp[pre_nnz +k];
Tile_hyb_ellcolIdx[offset + blkwidth[tile_id] * rowlen + coocount] = csr_colidx_temp[pre_nnz +k];
Tile_hyb_coorowIdx[hyb_coocount[tile_id] + coocount] = ri;
coocount++;
}*/
for (int k=stop; k< nnz_end; k++)
{
new_coo_value[offset_new + coocount] = csr_val_temp[pre_nnz +k];
new_coo_colidx[offset_new+coocount] = csr_colidx_temp[pre_nnz +k] + colidx_temp * BLOCK_SIZE;
new_coo_rowidx[offset_new+coocount] = ri + blki * BLOCK_SIZE;
coocount++;
}
}
break;
}
case 4:
{
int offset = dns_offset[tile_id];
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, rowlen);
for (int ri = 0; ri < rowlen; ri++)
{
int nnz_end = ri == rowlen -1 ? tilennz : ptr_temp[ri +1];
for (int j = ptr_temp[ri]; j < nnz_end; j++)
{
Tile_dns_Val[offset + csr_colidx_temp[pre_nnz + j] * rowlen +ri] = csr_val_temp[pre_nnz + j];
// Blockdense_Val[dnsnum[rowblock_ptr[rbi]+bi] + subrowmatrixA[bi].columnindex[j] * rowlength + ri]= subrowmatrixA[bi].value[j];
}
}
break;
}
case 5:
{
int offset = dnsrow_offset[tile_id];
int rowoffset = denserowptr[tile_id];
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, rowlen);
int dnsriid=0;
for (int ri = 0; ri < rowlen; ri++)
{
int nnz_end = ri == rowlen -1 ? tilennz : ptr_temp[ri +1];
if (nnz_end - ptr_temp[ri] == collen)
{
// printf("tileid = %i, offset = %i, rowoffset = %i, num = %i\n", tile_id, offset, rowoffset, csr_ptr[tile_id * BLOCK_SIZE + ri]);
Tile_dnsrow_idx[rowoffset + dnsriid]=ri;
dnsriid ++;
for (int j = ptr_temp[ri]; j < nnz_end; j++)
{
Tile_denserow_Val[offset + j] = csr_val_temp[pre_nnz + j];
}
}
}
break;
}
case 6:
{
int offset = dnscol_offset[tile_id];
int coloffset = densecolptr[tile_id];
int *ptr_temp = csr_ptr + tile_id * BLOCK_SIZE;
exclusive_scan_cu(ptr_temp, rowlen);
// for (int ni =0; ni < rowlen ; ni ++)
// {
// printf("%i ", ptr_temp[ni]);
// }
// printf("\n");
int dnsciid=0;
for (int j=ptr_temp[0];j < ptr_temp[1];j ++)
{
int ci = csr_colidx_temp[pre_nnz + j];
// int ci = subrowmatrixA[bi].columnindex[j] ;
Tile_dnscol_idx[coloffset + dnsciid] =ci ;
// printf("pos=%i, colidx=%i\n",densecolptr[tile_id + dnsciid],Tile_dnscol_idx[coloffset + dnsciid] );
dnsciid++;
}
for (int ri = 0; ri < rowlen; ri++)
{
int nnz_end = ri == rowlen -1 ? tilennz : ptr_temp[ri +1];
for (int j = ptr_temp[ri]; j < nnz_end; j++)
{
int temp = j - ptr_temp[ri];
if (csr_val_temp[pre_nnz +j] != 0)
// printf("idx = %i, col=%i, val = %f\n",pre_nnz +j, csr_colidx_temp[pre_nnz +j] , csr_val_temp[pre_nnz +j]);
Tile_dnscol_Val[offset + temp * rowlen + ri] = csr_val_temp[pre_nnz +j];
}
}
break;
}
default:
break;
}
}
__syncthreads();
}
__global__
void cuda_coo_rowptrnum_kernel(int nnz_1,int rowA,int colA,int *new_nnz_count, int start, int end,int *new_coo_rowidx,int num_threads)
{
// if(threadIdx.x==1)
//printf("!!");
int global_id = blockIdx.x * blockDim.x + threadIdx.x;
if(global_id<num_threads)
{
//printf("global_id=%d\n",global_id);
int row=new_coo_rowidx[start+global_id];
atomicAdd(&new_nnz_count[row],1);
}
__syncthreads();
}
/* int row = new_coo_rowidx[i];
int nnz_offset = new_nnz_count[row];
matrixA->coo_new_value[nnz_offset + new_num[ row]] = new_coo_value[i];
matrixA->coo_new_colidx[nnz_offset + new_num[row]] = new_coo_colidx[i];
new_num[row] ++;*/
//cuda_coo_kernel<<<num_blocks, 32 >>>(nnz_1,rowA, colA,d_new_nnz_count,start,end,d_new_coo_rowidx,num_threads,
// d_coo_new_colidx,d_coo_new_value,d_new_num,d_new_coo_value_1,d_new_coo_colidx);
__global__
void cuda_coo_kernel(int nnz_1,int rowA,int colA,int *new_nnz_count, int start, int end,int *new_coo_rowidx,int num_threads,
int *coo_new_colidx, MAT_VAL_TYPE *coo_new_value, int *new_num, MAT_VAL_TYPE *new_coo_value,int *new_coo_colidx)
{
// if(threadIdx.x==1)
//printf("!!");
int global_id = blockIdx.x * blockDim.x + threadIdx.x;
if(global_id<num_threads)
{ int i=start+global_id;
int row=new_coo_rowidx[i];
int nnz_offset = new_nnz_count[row];
//printf("i=%d global_id=%d row=%d nnz_offset=%d\n",i,global_id,row,nnz_offset);
int x=new_num[row];
int tmp=atomicAdd(&new_num[row],1);
coo_new_value[nnz_offset + tmp]=new_coo_value[i];
coo_new_colidx[nnz_offset + tmp]=new_coo_colidx[i];
//printf("global_id=%d i=%d row=%d new_coo_colidx[i]=%d nnz_offset=%d tmp=%d nnz_offset + tmp=%d new_coo_colidx[i]=%d new_coo_value[i]=%f\n",global_id,i,row,new_coo_colidx[i],nnz_offset,tmp,nnz_offset + tmp,new_coo_colidx[i],new_coo_value[i]);
// printf("global_id=%d i=%d new_coo_colidx[i]=%d new_coo_value[i]=%d\n",global_id,i,new_coo_colidx[i],new_coo_value[i]);
}
__syncthreads();
}
//cuda_bal_step1<<< num_blocks, 64 >>>( matrixA_d->tilem, matrixA_d->tilen, d_tile_ptr_A,start,end,num_threads,
// d_flag_bal_tile_rowidx,d_tile_bal_rowidx_colstart,d_tile_bal_rowidx_colstop,d_group_ptr,d_bal_num_gro);
__global__
void cuda_bal_step1(int tilem, int tilen, MAT_PTR_TYPE *tile_ptr, int start, int end, int num_threads,
unsigned int *flag_bal_tile_rowidx, int *tile_bal_rowidx_colstart,int *tile_bal_rowidx_colstop, int *bal_num_gro,int tilecnt_ave)
{
// if(threadIdx.x==1)
//printf("!!");
int global_id = blockIdx.x * blockDim.x + threadIdx.x;
int blki=start+global_id;
if(global_id<num_threads)
{
int balancenumblk = tile_ptr[blki + 1] - tile_ptr[blki];
if (balancenumblk <= tilecnt_ave) {
flag_bal_tile_rowidx[bal_num_gro[blki]] = blki;
tile_bal_rowidx_colstart[bal_num_gro[blki]] = tile_ptr[blki] ;
tile_bal_rowidx_colstop[bal_num_gro[blki]] = tile_ptr[blki] + balancenumblk;
//printf("global_id=%d blki=%d tile_ptr[blki]=%d bal_num_gro[blki]=%d\n",global_id,blki,tile_ptr[blki],bal_num_gro[blki]);
//rowtilekcnt++;
}
else
{