diff options
Diffstat (limited to 'external/clBLAS/src/library/blas/gens/tile_iter.c')
| -rw-r--r-- | external/clBLAS/src/library/blas/gens/tile_iter.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/external/clBLAS/src/library/blas/gens/tile_iter.c b/external/clBLAS/src/library/blas/gens/tile_iter.c deleted file mode 100644 index 65247f2a..00000000 --- a/external/clBLAS/src/library/blas/gens/tile_iter.c +++ /dev/null @@ -1,296 +0,0 @@ -/* ************************************************************************ - * Copyright 2013 Advanced Micro Devices, Inc. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ************************************************************************/ - -#include <errno.h> -#include <assert.h> -#include "tile_iter.h" - -// Translate coordiates in physical memory block -// into logical tile coordinates -static int -iterCalcLogCoords( PhysTileIterator* iter){ - - if( NULL == iter ){ - return -EINVAL; - } - - if ( iter->isLogRowMaj ) { - - iter->row = iter->line; - iter->col = iter->vec*iter->vecLen; - - } - else { - - iter->col = iter->line; - iter->row = iter->vec*iter->vecLen; - } - - return 0; -} - -//----------------------------------------------------------------------------- - -int -iterInit(PhysTileIterator *iter, - const Tile *tile, - int vecLen, - unsigned int tileIterFlags) -{ - if( NULL == iter || - NULL == tile ){ - - return -EINVAL; - } - - memset(iter, 0, sizeof(PhysTileIterator)); - iter->isLogRowMaj = tile->trans ? 0 : 1; - iter->vecLen = vecLen; - - if ( iter->isLogRowMaj ) { - - if ( tile->nrCols % vecLen ) { - return -EINVAL; - } - - if ( tileIterFlags & TILE_ITER_BACKWARD_ROWS ) { - iter->phyIterFlags |= PHY_ITER_BACKWARD_LINES; - } - if ( tileIterFlags & TILE_ITER_BACKWARD_COLS ) { - iter->phyIterFlags |= PHY_ITER_BACKWARD_VECS; - } - - iter->nrLines = tile->nrRows; - iter->nrVecs = tile->nrCols/vecLen; - - } - else { - - if ( tile->nrRows % vecLen ) { - return -EINVAL; - } - - if ( tileIterFlags & TILE_ITER_BACKWARD_ROWS ) { - iter->phyIterFlags |= PHY_ITER_BACKWARD_VECS; - } - if ( tileIterFlags & TILE_ITER_BACKWARD_COLS ) { - iter->phyIterFlags |= PHY_ITER_BACKWARD_LINES; - } - - iter->nrLines = tile->nrCols; - iter->nrVecs = tile->nrRows/vecLen; - } - - switch( iter->phyIterFlags & ( PHY_ITER_BACKWARD_VECS | - PHY_ITER_BACKWARD_LINES ) ){ - - // lines - forward, vectors - forward - case !( PHY_ITER_BACKWARD_LINES | PHY_ITER_BACKWARD_VECS ): - - iter->vec = 0; - iter->line = 0; - break; - - // lines - forward, vectors - backward - case PHY_ITER_BACKWARD_VECS: - - iter->vec = iter->nrVecs-1; - iter->line = 0; - break; - - // lines - backward, vectors - forward - case PHY_ITER_BACKWARD_LINES: - - iter->vec = 0; - iter->line = iter->nrLines-1; - break; - - // lines - backward, vectors - backward - case PHY_ITER_BACKWARD_LINES | PHY_ITER_BACKWARD_VECS: - - iter->vec = iter->nrVecs-1; - iter->line = iter->nrLines-1; - break; - - } - - iterCalcLogCoords(iter); - - return 0; -} - -//----------------------------------------------------------------------------- - -int iterIterate(PhysTileIterator *iter) -{ - if( NULL == iter ){ - return -EINVAL; - } - - //tile end - if( iterIsEnd(iter) ){ - return 1; - } - - switch( iter->phyIterFlags & ( PHY_ITER_BACKWARD_LINES | - PHY_ITER_BACKWARD_VECS) ){ - - // lines - forward, vectors - forward - case !( PHY_ITER_BACKWARD_LINES | PHY_ITER_BACKWARD_VECS ): - - if( iter->nrVecs-1 == iter->vec ){ - - iter->vec = 0; - iter->line++; - } - else{ - iter->vec++; - } - break; - - // lines - forward, vectors - backward - case PHY_ITER_BACKWARD_VECS: - - if( 0 == iter->vec ){ - - iter->vec = iter->nrVecs-1; - iter->line++; - } - else{ - iter->vec--; - } - break; - - // lines - backward, vectors - forward - case PHY_ITER_BACKWARD_LINES: - - if( iter->nrVecs-1 == iter->vec ){ - - iter->vec = 0; - iter->line--; - } - else{ - iter->vec++; - } - break; - - // lines - backward, vectors - backward - case ( PHY_ITER_BACKWARD_LINES | PHY_ITER_BACKWARD_VECS ): - - if( 0 == iter->vec ){ - - iter->vec = iter->nrVecs-1; - iter->line--; - } - else{ - iter->vec--; - } - break; - } - - iterCalcLogCoords(iter); - - return 0; -} - -//----------------------------------------------------------------------------- - -int -iterSeek( PhysTileIterator *iter, - int row, - int col ) -{ - if ( NULL == iter ) { - return -EINVAL; - } - - iter->row = row; - iter->col = col; - - if ( iter->isLogRowMaj ) { - - iter->line = row; - iter->vec = col/iter->vecLen; - } - else { - - iter->line = col; - iter->vec = row/iter->vecLen; - } - - assert( iter->line < iter->nrLines ); - assert( iter->vec < iter->nrVecs ); - return 0; -} - -//----------------------------------------------------------------------------- - -int -iterSeekPhys( PhysTileIterator *iter, - int line, - int vec ) -{ - if ( NULL == iter ) { - return -EINVAL; - } - - iter->line = line; - iter->vec = vec; - - if ( iter->isLogRowMaj ) { - - iter->row = line; - iter->col = vec * iter->vecLen; - } - else { - - iter->row = vec * iter->vecLen; - iter->col = line; - } - - assert( iter->line < iter->nrLines ); - assert( iter->vec < iter->nrVecs ); - return 0; -} - -//----------------------------------------------------------------------------- - -/* - * Check if the entire tile has been iterated. Return true if the iterator is - * at the next element beyond the last. - */ -int iterIsEnd(const PhysTileIterator *iter) -{ - int isEnd = false; - - if( NULL == iter ){ - return -EINVAL; - } - - if( iter->phyIterFlags & PHY_ITER_BACKWARD_LINES ){ - if( iter->line < 0 ){ - isEnd = true; - } - } - else{ - if( iter->line >= iter->nrLines ){ - isEnd = true; - } - } - - return isEnd; - -} |