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// Start of transpose.cl
#define GEN_TRANSPOSE_KERNELS(NAME, ELEM_TYPE) \
FUTHARK_KERNEL_SIZED(TR_BLOCK_DIM*2, TR_TILE_DIM/TR_ELEMS_PER_THREAD, 1)\
void map_transpose_##NAME(SHARED_MEM_PARAM \
__global ELEM_TYPE *dst_mem, \
int64_t dst_offset, \
__global ELEM_TYPE *src_mem, \
int64_t src_offset, \
int32_t num_arrays, \
int32_t x_elems, \
int32_t y_elems, \
int32_t mulx, \
int32_t muly, \
int32_t repeat_1, \
int32_t repeat_2) { \
(void)mulx; (void)muly; \
__local ELEM_TYPE* block = (__local ELEM_TYPE*)shared_mem; \
int tblock_id_0 = get_tblock_id(0); \
int global_id_0 = get_global_id(0); \
int tblock_id_1 = get_tblock_id(1); \
int global_id_1 = get_global_id(1); \
for (int i1 = 0; i1 <= repeat_1; i1++) { \
int tblock_id_2 = get_tblock_id(2); \
int global_id_2 = get_global_id(2); \
for (int i2 = 0; i2 <= repeat_2; i2++) { \
if (tblock_id_2 >= num_arrays) { break; } \
int32_t our_array_offset = tblock_id_2 * x_elems * y_elems; \
int32_t odata_offset = dst_offset + our_array_offset; \
int32_t idata_offset = src_offset + our_array_offset; \
int32_t x_index = global_id_0; \
int32_t y_index = tblock_id_1 * TR_TILE_DIM + get_local_id(1); \
if (x_index < x_elems) { \
for (int32_t j = 0; j < TR_ELEMS_PER_THREAD; j++) { \
int32_t index_i = (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)) * x_elems + x_index; \
if (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD) < y_elems) { \
block[(get_local_id(1) + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)) * (TR_TILE_DIM+1) + \
get_local_id(0)] = \
src_mem[idata_offset + index_i]; \
} \
} \
} \
barrier_local(); \
x_index = tblock_id_1 * TR_TILE_DIM + get_local_id(0); \
y_index = tblock_id_0 * TR_TILE_DIM + get_local_id(1); \
if (x_index < y_elems) { \
for (int32_t j = 0; j < TR_ELEMS_PER_THREAD; j++) { \
int32_t index_out = (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)) * y_elems + x_index; \
if (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD) < x_elems) { \
dst_mem[(odata_offset + index_out)] = \
block[get_local_id(0) * (TR_TILE_DIM+1) + \
get_local_id(1) + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)]; \
} \
} \
} \
tblock_id_2 += get_num_tblocks(2); \
global_id_2 += get_global_size(2); \
} \
tblock_id_1 += get_num_tblocks(1); \
global_id_1 += get_global_size(1); \
} \
} \
\
FUTHARK_KERNEL_SIZED(TR_BLOCK_DIM, TR_BLOCK_DIM, 1) \
void map_transpose_##NAME##_low_height(SHARED_MEM_PARAM \
__global ELEM_TYPE *dst_mem, \
int64_t dst_offset, \
__global ELEM_TYPE *src_mem, \
int64_t src_offset, \
int32_t num_arrays, \
int32_t x_elems, \
int32_t y_elems, \
int32_t mulx, \
int32_t muly, \
int32_t repeat_1, \
int32_t repeat_2) { \
__local ELEM_TYPE* block = (__local ELEM_TYPE*)shared_mem; \
int tblock_id_0 = get_tblock_id(0); \
int global_id_0 = get_global_id(0); \
int tblock_id_1 = get_tblock_id(1); \
int global_id_1 = get_global_id(1); \
for (int i1 = 0; i1 <= repeat_1; i1++) { \
int tblock_id_2 = get_tblock_id(2); \
int global_id_2 = get_global_id(2); \
for (int i2 = 0; i2 <= repeat_2; i2++) { \
if (tblock_id_2 >= num_arrays) { break; } \
int32_t our_array_offset = tblock_id_2 * x_elems * y_elems; \
int32_t odata_offset = dst_offset + our_array_offset; \
int32_t idata_offset = src_offset + our_array_offset; \
int32_t x_index = \
tblock_id_0 * TR_BLOCK_DIM * mulx + \
get_local_id(0) + \
get_local_id(1)%mulx * TR_BLOCK_DIM; \
int32_t y_index = tblock_id_1 * TR_BLOCK_DIM + get_local_id(1)/mulx; \
int32_t index_in = y_index * x_elems + x_index; \
if (x_index < x_elems && y_index < y_elems) { \
block[get_local_id(1) * (TR_BLOCK_DIM+1) + get_local_id(0)] = \
src_mem[idata_offset + index_in]; \
} \
barrier_local(); \
x_index = tblock_id_1 * TR_BLOCK_DIM + get_local_id(0)/mulx; \
y_index = \
tblock_id_0 * TR_BLOCK_DIM * mulx + \
get_local_id(1) + \
(get_local_id(0)%mulx) * TR_BLOCK_DIM; \
int32_t index_out = y_index * y_elems + x_index; \
if (x_index < y_elems && y_index < x_elems) { \
dst_mem[odata_offset + index_out] = \
block[get_local_id(0) * (TR_BLOCK_DIM+1) + get_local_id(1)]; \
} \
tblock_id_2 += get_num_tblocks(2); \
global_id_2 += get_global_size(2); \
} \
tblock_id_1 += get_num_tblocks(1); \
global_id_1 += get_global_size(1); \
} \
} \
\
FUTHARK_KERNEL_SIZED(TR_BLOCK_DIM, TR_BLOCK_DIM, 1) \
void map_transpose_##NAME##_low_width(SHARED_MEM_PARAM \
__global ELEM_TYPE *dst_mem, \
int64_t dst_offset, \
__global ELEM_TYPE *src_mem, \
int64_t src_offset, \
int32_t num_arrays, \
int32_t x_elems, \
int32_t y_elems, \
int32_t mulx, \
int32_t muly, \
int32_t repeat_1, \
int32_t repeat_2) { \
__local ELEM_TYPE* block = (__local ELEM_TYPE*)shared_mem; \
int tblock_id_0 = get_tblock_id(0); \
int global_id_0 = get_global_id(0); \
int tblock_id_1 = get_tblock_id(1); \
int global_id_1 = get_global_id(1); \
for (int i1 = 0; i1 <= repeat_1; i1++) { \
int tblock_id_2 = get_tblock_id(2); \
int global_id_2 = get_global_id(2); \
for (int i2 = 0; i2 <= repeat_2; i2++) { \
if (tblock_id_2 >= num_arrays) { break; } \
int32_t our_array_offset = tblock_id_2 * x_elems * y_elems; \
int32_t odata_offset = dst_offset + our_array_offset; \
int32_t idata_offset = src_offset + our_array_offset; \
int32_t x_index = tblock_id_0 * TR_BLOCK_DIM + get_local_id(0)/muly; \
int32_t y_index = \
tblock_id_1 * TR_BLOCK_DIM * muly + \
get_local_id(1) + (get_local_id(0)%muly) * TR_BLOCK_DIM; \
int32_t index_in = y_index * x_elems + x_index; \
if (x_index < x_elems && y_index < y_elems) { \
block[get_local_id(1) * (TR_BLOCK_DIM+1) + get_local_id(0)] = \
src_mem[idata_offset + index_in]; \
} \
barrier_local(); \
x_index = tblock_id_1 * TR_BLOCK_DIM * muly + \
get_local_id(0) + (get_local_id(1)%muly) * TR_BLOCK_DIM; \
y_index = tblock_id_0 * TR_BLOCK_DIM + get_local_id(1)/muly; \
int32_t index_out = y_index * y_elems + x_index; \
if (x_index < y_elems && y_index < x_elems) { \
dst_mem[odata_offset + index_out] = \
block[get_local_id(0) * (TR_BLOCK_DIM+1) + get_local_id(1)]; \
} \
tblock_id_2 += get_num_tblocks(2); \
global_id_2 += get_num_tblocks(2) * get_local_size(2); \
} \
tblock_id_1 += get_num_tblocks(1); \
global_id_1 += get_num_tblocks(1) * get_local_size(1); \
} \
} \
\
FUTHARK_KERNEL_SIZED(TR_BLOCK_DIM*TR_BLOCK_DIM, 1, 1) \
void map_transpose_##NAME##_small(SHARED_MEM_PARAM \
__global ELEM_TYPE *dst_mem, \
int64_t dst_offset, \
__global ELEM_TYPE *src_mem, \
int64_t src_offset, \
int32_t num_arrays, \
int32_t x_elems, \
int32_t y_elems, \
int32_t mulx, \
int32_t muly, \
int32_t repeat_1, \
int32_t repeat_2) { \
(void)mulx; (void)muly; \
__local ELEM_TYPE* block = (__local ELEM_TYPE*)shared_mem; \
int tblock_id_0 = get_tblock_id(0); \
int global_id_0 = get_global_id(0); \
int tblock_id_1 = get_tblock_id(1); \
int global_id_1 = get_global_id(1); \
for (int i1 = 0; i1 <= repeat_1; i1++) { \
int tblock_id_2 = get_tblock_id(2); \
int global_id_2 = get_global_id(2); \
for (int i2 = 0; i2 <= repeat_2; i2++) { \
int32_t our_array_offset = global_id_0/(y_elems * x_elems) * y_elems * x_elems; \
int32_t x_index = (global_id_0 % (y_elems * x_elems))/y_elems; \
int32_t y_index = global_id_0%y_elems; \
int32_t odata_offset = dst_offset + our_array_offset; \
int32_t idata_offset = src_offset + our_array_offset; \
int32_t index_in = y_index * x_elems + x_index; \
int32_t index_out = x_index * y_elems + y_index; \
if (global_id_0 < x_elems * y_elems * num_arrays) { \
dst_mem[odata_offset + index_out] = src_mem[idata_offset + index_in]; \
} \
tblock_id_2 += get_num_tblocks(2); \
global_id_2 += get_global_size(2); \
} \
tblock_id_1 += get_num_tblocks(1); \
global_id_1 += get_global_size(1); \
} \
} \
\
FUTHARK_KERNEL_SIZED(TR_BLOCK_DIM*2, TR_TILE_DIM/TR_ELEMS_PER_THREAD, 1)\
void map_transpose_##NAME##_large(SHARED_MEM_PARAM \
__global ELEM_TYPE *dst_mem, \
int64_t dst_offset, \
__global ELEM_TYPE *src_mem, \
int64_t src_offset, \
int64_t num_arrays, \
int64_t x_elems, \
int64_t y_elems, \
int64_t mulx, \
int64_t muly, \
int32_t repeat_1, \
int32_t repeat_2) { \
(void)mulx; (void)muly; \
__local ELEM_TYPE* block = (__local ELEM_TYPE*)shared_mem; \
int tblock_id_0 = get_tblock_id(0); \
int global_id_0 = get_global_id(0); \
int tblock_id_1 = get_tblock_id(1); \
int global_id_1 = get_global_id(1); \
for (int i1 = 0; i1 <= repeat_1; i1++) { \
int tblock_id_2 = get_tblock_id(2); \
int global_id_2 = get_global_id(2); \
for (int i2 = 0; i2 <= repeat_2; i2++) { \
if (tblock_id_2 >= num_arrays) { break; } \
int64_t our_array_offset = tblock_id_2 * x_elems * y_elems; \
int64_t odata_offset = dst_offset + our_array_offset; \
int64_t idata_offset = src_offset + our_array_offset; \
int64_t x_index = global_id_0; \
int64_t y_index = tblock_id_1 * TR_TILE_DIM + get_local_id(1); \
if (x_index < x_elems) { \
for (int64_t j = 0; j < TR_ELEMS_PER_THREAD; j++) { \
int64_t index_i = (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)) * x_elems + x_index; \
if (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD) < y_elems) { \
block[(get_local_id(1) + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)) * (TR_TILE_DIM+1) + \
get_local_id(0)] = \
src_mem[idata_offset + index_i]; \
} \
} \
} \
barrier_local(); \
x_index = tblock_id_1 * TR_TILE_DIM + get_local_id(0); \
y_index = tblock_id_0 * TR_TILE_DIM + get_local_id(1); \
if (x_index < y_elems) { \
for (int64_t j = 0; j < TR_ELEMS_PER_THREAD; j++) { \
int64_t index_out = (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)) * y_elems + x_index; \
if (y_index + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD) < x_elems) { \
dst_mem[(odata_offset + index_out)] = \
block[get_local_id(0) * (TR_TILE_DIM+1) + \
get_local_id(1) + j * (TR_TILE_DIM/TR_ELEMS_PER_THREAD)]; \
} \
} \
} \
tblock_id_2 += get_num_tblocks(2); \
global_id_2 += get_global_size(2); \
} \
tblock_id_1 += get_num_tblocks(1); \
global_id_1 += get_global_size(1); \
} \
} \
GEN_TRANSPOSE_KERNELS(1b, uint8_t)
GEN_TRANSPOSE_KERNELS(2b, uint16_t)
GEN_TRANSPOSE_KERNELS(4b, uint32_t)
GEN_TRANSPOSE_KERNELS(8b, uint64_t)
// End of transpose.cl
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