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author | Michalis Spyrou <michalis.spyrou@arm.com> | 2018-11-23 17:41:37 +0000 |
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committer | Michalis Spyrou <michalis.spyrou@arm.com> | 2018-12-05 13:48:32 +0000 |
commit | e93626222041917617cbe1ccccbb472b47a2358c (patch) | |
tree | 330ce12c56885129ead626e8cb7e590b706f9305 /src/core/CL/cl_kernels/elementwise_unary.cl | |
parent | 0e2b526d785cf3c284752c551d7cb6806a3e118a (diff) | |
download | ComputeLibrary-e93626222041917617cbe1ccccbb472b47a2358c.tar.gz |
COMPMID-1719 CL: Implement RSqrt, Exp
Change-Id: I827b26239043a9e90d26c2583122648d2a45303a
Reviewed-on: https://review.mlplatform.org/317
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'src/core/CL/cl_kernels/elementwise_unary.cl')
-rw-r--r-- | src/core/CL/cl_kernels/elementwise_unary.cl | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/elementwise_unary.cl b/src/core/CL/cl_kernels/elementwise_unary.cl new file mode 100644 index 0000000000..bccb47ed1f --- /dev/null +++ b/src/core/CL/cl_kernels/elementwise_unary.cl @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2018 ARM Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include "helpers.h" +#include "warp_helpers.h" + +#if defined(DATA_TYPE) && defined(VEC_SIZE) && defined(OPERATION) +/** Calculate reverse square root + * + * @param[in] input Pointer to the first element. + * + * @return reverse square root + */ +inline VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) inverse_sqrt(const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) input) +{ + return rsqrt(input); +} + +/** Calculate exponential + * + * @param[in] input Pointer to the first element. + * + * @return exponential + */ +inline VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) exponential(const VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) input) +{ + return exp(input); +} + +/** Applies element wise unary operator in a tensor. + * + * @param[in] in_ptr Pointer to the source image. Supported data types: F16/32. + * @param[in] in_stride_x Stride of the source image in X dimension (in bytes) + * @param[in] in_step_x in_stride_x * number of elements along X processed per work item (in bytes) + * @param[in] in_offset_first_element_in_bytes Offset of the first element in the source image + * @param[out] out_ptr Pointer to the destination image. Supported data types: F16/32. + * @param[in] out_stride_x Stride of the destination image in X dimension (in bytes) + * @param[in] out_step_y out_stride_y * number of elements along Y processed per work item (in bytes) + * @param[in] out_offset_first_element_in_bytes Offset of the first element in the destination image + */ +__kernel void elementwise_unary( + VECTOR_DECLARATION(in), + VECTOR_DECLARATION(out)) +{ + Vector in = CONVERT_TO_VECTOR_STRUCT(in); + Vector out = CONVERT_TO_VECTOR_STRUCT(out); + +#if defined(VEC_SIZE) && defined(LAST_ACCESSED_X) + // Check if access on width gets out of bounds + // If it does shift access vector to access elements within bounds + const int xi = (int)(get_global_id(0) * VEC_SIZE); + in.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * in_stride_x; + out.ptr -= max(xi - (int)LAST_ACCESSED_X, 0) * out_stride_x; + + VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) + data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)in.ptr); + + VSTORE(VEC_SIZE) + (OPERATION(data), 0, (__global DATA_TYPE *)out.ptr); +#else // !defined(VEC_SIZE) || !defined(LAST_ACCESSED_X) + VEC_DATA_TYPE(DATA_TYPE, VEC_SIZE) + data = VLOAD(VEC_SIZE)(0, (__global DATA_TYPE *)in.ptr); + VSTORE(VEC_SIZE) + (OPERATION(data), 0, (__global DATA_TYPE *)out.ptr); +#endif // defined(VEC_SIZE) && defined(LAST_ACCESSED_X) +} +#endif // defined(DATA_TYPE) && defined(VEC_SIZE) && defined(OPERATION) |