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/*
* Copyright @ 2015 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ocl_simd.h"
#include "ocl_workitem.h"
uint get_max_sub_group_size(void)
{
uint local_sz = get_local_size(0)*get_local_size(1)*get_local_size(2);
uint simd_sz = get_simd_size();
return local_sz > simd_sz ? simd_sz : local_sz;
}
uint get_sub_group_size(void)
{
uint threadn = get_num_sub_groups();
uint threadid = get_sub_group_id();
if((threadid == (threadn - 1)) && (threadn > 1))
return (get_local_size(0)*get_local_size(1)*get_local_size(2)) % get_max_sub_group_size();
else
return get_max_sub_group_size();
}
/* broadcast */
#define BROADCAST_IMPL(GEN_TYPE) \
OVERLOADABLE GEN_TYPE __gen_ocl_sub_group_broadcast(GEN_TYPE a, size_t local_id); \
OVERLOADABLE GEN_TYPE sub_group_broadcast(GEN_TYPE a, size_t local_id) { \
return __gen_ocl_sub_group_broadcast(a, local_id); \
} \
OVERLOADABLE GEN_TYPE __gen_ocl_sub_group_broadcast(GEN_TYPE a, size_t local_id_x, size_t local_id_y); \
OVERLOADABLE GEN_TYPE sub_group_broadcast(GEN_TYPE a, size_t local_id_x, size_t local_id_y) { \
return __gen_ocl_sub_group_broadcast(a, local_id_x, local_id_y); \
} \
OVERLOADABLE GEN_TYPE __gen_ocl_sub_group_broadcast(GEN_TYPE a, size_t local_id_x, size_t local_id_y, size_t local_id_z); \
OVERLOADABLE GEN_TYPE sub_group_broadcast(GEN_TYPE a, size_t local_id_x, size_t local_id_y, size_t local_id_z) { \
return __gen_ocl_sub_group_broadcast(a, local_id_x, local_id_y, local_id_z); \
}
BROADCAST_IMPL(int)
BROADCAST_IMPL(uint)
BROADCAST_IMPL(long)
BROADCAST_IMPL(ulong)
BROADCAST_IMPL(half)
BROADCAST_IMPL(float)
BROADCAST_IMPL(double)
#undef BROADCAST_IMPL
#define RANGE_OP(RANGE, OP, GEN_TYPE, SIGN) \
OVERLOADABLE GEN_TYPE __gen_ocl_sub_group_##RANGE##_##OP(bool sign, GEN_TYPE x); \
OVERLOADABLE GEN_TYPE sub_group_##RANGE##_##OP(GEN_TYPE x) { \
return __gen_ocl_sub_group_##RANGE##_##OP(SIGN, x); \
}
/* reduce add */
RANGE_OP(reduce, add, int, true)
RANGE_OP(reduce, add, uint, false)
RANGE_OP(reduce, add, long, true)
RANGE_OP(reduce, add, ulong, false)
RANGE_OP(reduce, add, half, true)
RANGE_OP(reduce, add, float, true)
RANGE_OP(reduce, add, double, true)
/* reduce min */
RANGE_OP(reduce, min, int, true)
RANGE_OP(reduce, min, uint, false)
RANGE_OP(reduce, min, long, true)
RANGE_OP(reduce, min, ulong, false)
RANGE_OP(reduce, min, half, true)
RANGE_OP(reduce, min, float, true)
RANGE_OP(reduce, min, double, true)
/* reduce max */
RANGE_OP(reduce, max, int, true)
RANGE_OP(reduce, max, uint, false)
RANGE_OP(reduce, max, long, true)
RANGE_OP(reduce, max, ulong, false)
RANGE_OP(reduce, max, half, true)
RANGE_OP(reduce, max, float, true)
RANGE_OP(reduce, max, double, true)
/* scan_inclusive add */
RANGE_OP(scan_inclusive, add, int, true)
RANGE_OP(scan_inclusive, add, uint, false)
RANGE_OP(scan_inclusive, add, long, true)
RANGE_OP(scan_inclusive, add, ulong, false)
RANGE_OP(scan_inclusive, add, half, true)
RANGE_OP(scan_inclusive, add, float, true)
RANGE_OP(scan_inclusive, add, double, true)
/* scan_inclusive min */
RANGE_OP(scan_inclusive, min, int, true)
RANGE_OP(scan_inclusive, min, uint, false)
RANGE_OP(scan_inclusive, min, long, true)
RANGE_OP(scan_inclusive, min, ulong, false)
RANGE_OP(scan_inclusive, min, half, true)
RANGE_OP(scan_inclusive, min, float, true)
RANGE_OP(scan_inclusive, min, double, true)
/* scan_inclusive max */
RANGE_OP(scan_inclusive, max, int, true)
RANGE_OP(scan_inclusive, max, uint, false)
RANGE_OP(scan_inclusive, max, long, true)
RANGE_OP(scan_inclusive, max, ulong, false)
RANGE_OP(scan_inclusive, max, half, true)
RANGE_OP(scan_inclusive, max, float, true)
RANGE_OP(scan_inclusive, max, double, true)
/* scan_exclusive add */
RANGE_OP(scan_exclusive, add, int, true)
RANGE_OP(scan_exclusive, add, uint, false)
RANGE_OP(scan_exclusive, add, long, true)
RANGE_OP(scan_exclusive, add, ulong, false)
RANGE_OP(scan_exclusive, add, half, true)
RANGE_OP(scan_exclusive, add, float, true)
RANGE_OP(scan_exclusive, add, double, true)
/* scan_exclusive min */
RANGE_OP(scan_exclusive, min, int, true)
RANGE_OP(scan_exclusive, min, uint, false)
RANGE_OP(scan_exclusive, min, long, true)
RANGE_OP(scan_exclusive, min, ulong, false)
RANGE_OP(scan_exclusive, min, half, true)
RANGE_OP(scan_exclusive, min, float, true)
RANGE_OP(scan_exclusive, min, double, true)
/* scan_exclusive max */
RANGE_OP(scan_exclusive, max, int, true)
RANGE_OP(scan_exclusive, max, uint, false)
RANGE_OP(scan_exclusive, max, long, true)
RANGE_OP(scan_exclusive, max, ulong, false)
RANGE_OP(scan_exclusive, max, half, true)
RANGE_OP(scan_exclusive, max, float, true)
RANGE_OP(scan_exclusive, max, double, true)
#undef RANGE_OP
PURE CONST uint __gen_ocl_sub_group_block_read_mem(const global uint* p);
PURE CONST uint2 __gen_ocl_sub_group_block_read_mem2(const global uint* p);
PURE CONST uint4 __gen_ocl_sub_group_block_read_mem4(const global uint* p);
PURE CONST uint8 __gen_ocl_sub_group_block_read_mem8(const global uint* p);
OVERLOADABLE uint intel_sub_group_block_read(const global uint* p)
{
return __gen_ocl_sub_group_block_read_mem(p);
}
OVERLOADABLE uint2 intel_sub_group_block_read2(const global uint* p)
{
return __gen_ocl_sub_group_block_read_mem2(p);
}
OVERLOADABLE uint4 intel_sub_group_block_read4(const global uint* p)
{
return __gen_ocl_sub_group_block_read_mem4(p);
}
OVERLOADABLE uint8 intel_sub_group_block_read8(const global uint* p)
{
return __gen_ocl_sub_group_block_read_mem8(p);
}
void __gen_ocl_sub_group_block_write_mem(const global uint* p, uint data);
void __gen_ocl_sub_group_block_write_mem2(const global uint* p, uint2 data);
void __gen_ocl_sub_group_block_write_mem4(const global uint* p, uint4 data);
void __gen_ocl_sub_group_block_write_mem8(const global uint* p, uint8 data);
OVERLOADABLE void intel_sub_group_block_write(const global uint* p, uint data)
{
__gen_ocl_sub_group_block_write_mem(p, data);
}
OVERLOADABLE void intel_sub_group_block_write2(const global uint* p, uint2 data)
{
__gen_ocl_sub_group_block_write_mem2(p, data);
}
OVERLOADABLE void intel_sub_group_block_write4(const global uint* p,uint4 data)
{
__gen_ocl_sub_group_block_write_mem4(p, data);
}
OVERLOADABLE void intel_sub_group_block_write8(const global uint* p,uint8 data)
{
__gen_ocl_sub_group_block_write_mem8(p, data);
}
PURE CONST uint __gen_ocl_sub_group_block_read_image(image2d_t p, int x, int y);
PURE CONST uint2 __gen_ocl_sub_group_block_read_image2(image2d_t p, int x, int y);
PURE CONST uint4 __gen_ocl_sub_group_block_read_image4(image2d_t p, int x, int y);
PURE CONST uint8 __gen_ocl_sub_group_block_read_image8(image2d_t p, int x, int y);
OVERLOADABLE uint intel_sub_group_block_read(image2d_t p, int2 cord)
{
return __gen_ocl_sub_group_block_read_image(p, cord.x, cord.y);
}
OVERLOADABLE uint2 intel_sub_group_block_read2(image2d_t p, int2 cord)
{
return __gen_ocl_sub_group_block_read_image2(p, cord.x, cord.y);
}
OVERLOADABLE uint4 intel_sub_group_block_read4(image2d_t p, int2 cord)
{
return __gen_ocl_sub_group_block_read_image4(p, cord.x, cord.y);
}
OVERLOADABLE uint8 intel_sub_group_block_read8(image2d_t p, int2 cord)
{
return __gen_ocl_sub_group_block_read_image8(p, cord.x, cord.y);
}
void __gen_ocl_sub_group_block_write_image(image2d_t p, int x, int y, uint data);
void __gen_ocl_sub_group_block_write_image2(image2d_t p, int x, int y, uint2 data);
void __gen_ocl_sub_group_block_write_image4(image2d_t p, int x, int y, uint4 data);
void __gen_ocl_sub_group_block_write_image8(image2d_t p, int x, int y, uint8 data);
OVERLOADABLE void intel_sub_group_block_write(image2d_t p, int2 cord, uint data)
{
__gen_ocl_sub_group_block_write_image(p, cord.x, cord.y, data);
}
OVERLOADABLE void intel_sub_group_block_write2(image2d_t p, int2 cord, uint2 data)
{
__gen_ocl_sub_group_block_write_image2(p, cord.x, cord.y, data);
}
OVERLOADABLE void intel_sub_group_block_write4(image2d_t p, int2 cord, uint4 data)
{
__gen_ocl_sub_group_block_write_image4(p, cord.x, cord.y, data);
}
OVERLOADABLE void intel_sub_group_block_write8(image2d_t p, int2 cord, uint8 data)
{
__gen_ocl_sub_group_block_write_image8(p, cord.x, cord.y, data);
}
#define SHUFFLE_DOWN(TYPE) \
OVERLOADABLE TYPE intel_sub_group_shuffle_down(TYPE x, TYPE y, uint c) { \
TYPE res0, res1; \
res0 = intel_sub_group_shuffle(x, (get_sub_group_local_id() + c)%get_max_sub_group_size()); \
res1 = intel_sub_group_shuffle(y, (get_sub_group_local_id() + c)%get_max_sub_group_size()); \
bool inRange = ((int)c + (int)get_sub_group_local_id() > 0) && (((int)c + (int)get_sub_group_local_id() < (int) get_max_sub_group_size())); \
return inRange ? res0 : res1; \
}
SHUFFLE_DOWN(float)
SHUFFLE_DOWN(int)
SHUFFLE_DOWN(uint)
#undef SHUFFLE_DOWN
#define SHUFFLE_UP(TYPE) \
OVERLOADABLE TYPE intel_sub_group_shuffle_up(TYPE x, TYPE y, uint c) { \
TYPE res0, res1; \
res0 = intel_sub_group_shuffle(x, (get_max_sub_group_size() + get_sub_group_local_id() - c)%get_max_sub_group_size()); \
res1 = intel_sub_group_shuffle(y, (get_max_sub_group_size() + get_sub_group_local_id() - c)%get_max_sub_group_size()); \
bool inRange = ((int)c - (int)get_sub_group_local_id() > 0) && (((int)c - (int)get_sub_group_local_id() < (int) get_max_sub_group_size())); \
return inRange ? res0 : res1; \
}
SHUFFLE_UP(float)
SHUFFLE_UP(int)
SHUFFLE_UP(uint)
#undef SHUFFLE_UP
#define SHUFFLE_XOR(TYPE) \
OVERLOADABLE TYPE intel_sub_group_shuffle_xor(TYPE x, uint c) { \
return intel_sub_group_shuffle(x, (get_sub_group_local_id() ^ c) % get_max_sub_group_size()); \
}
SHUFFLE_XOR(float)
SHUFFLE_XOR(int)
SHUFFLE_XOR(uint)
#undef SHUFFLE_XOR
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