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author | Giorgio Arena <giorgio.arena@arm.com> | 2018-09-04 14:55:55 +0100 |
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committer | Anthony Barbier <anthony.barbier@arm.com> | 2018-11-02 16:54:54 +0000 |
commit | 73023027d6250daaa1df49fdeb1d21e59a0bf7f5 (patch) | |
tree | fbe02771dde050fa1c386881cc6ff43d1ea10e05 /src/core/CL/cl_kernels/activation_helpers.h | |
parent | 555d1109dd566661bcf911c28030927cf4fde5b4 (diff) | |
download | ComputeLibrary-73023027d6250daaa1df49fdeb1d21e59a0bf7f5.tar.gz |
COMPMID-1539 Implement YOLOLayer on CL
Change-Id: I332c0703e1399fca0c5b724529b54a28f49c88da
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/146842
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Diffstat (limited to 'src/core/CL/cl_kernels/activation_helpers.h')
-rw-r--r-- | src/core/CL/cl_kernels/activation_helpers.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/core/CL/cl_kernels/activation_helpers.h b/src/core/CL/cl_kernels/activation_helpers.h new file mode 100644 index 0000000000..dfab082381 --- /dev/null +++ b/src/core/CL/cl_kernels/activation_helpers.h @@ -0,0 +1,99 @@ +/* + * 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" + +#if defined(TYPE) && defined(SELECT_TYPE) + +#define CONST_ONE 1.f +#define ABS_OP(a) fabs((a)) +#define ADD_OP(a, b) ((a) + (b)) +#define SUB_OP(a, b) ((a) - (b)) +#define MUL_OP(a, b) ((a) * (b)) +#define MLA_OP(a, b, c) ((b) * (c) + (a)) +#define DIV_OP(a, b) ((a) / (b)) +#define EXP_OP(a) exp((a)) +#define LOG_OP(a) log((a)) +#define SQRT_OP(a) sqrt((a)) +#define TANH_OP(a) tanh((a)) + +// Logistic Activation +inline TYPE logistic_op(TYPE x) +{ + return DIV_OP((TYPE)CONST_ONE, ADD_OP((TYPE)CONST_ONE, EXP_OP(-x))); +} +// Hyperbolic Tangent Activation +inline TYPE tanh_op(TYPE x) +{ + return MUL_OP((TYPE)A_VAL, TANH_OP(MUL_OP((TYPE)B_VAL, x))); +} +// RELU Tangent Activation +inline TYPE relu_op(TYPE x) +{ + return max((TYPE)0, x); +} +// Bounded RELU Activation +inline TYPE brelu_op(TYPE x) +{ + return min((TYPE)A_VAL, max((TYPE)0, x)); +} +// Lower Upper Bounded RELU Activation +inline TYPE lu_brelu_op(TYPE x) +{ + return min(max(x, (TYPE)B_VAL), (TYPE)A_VAL); +} +// Leaky RELU Activation +inline TYPE lrelu_op(TYPE x) +{ + return select(MUL_OP((TYPE)A_VAL, x), x, CONVERT(x > (TYPE)0, SELECT_TYPE)); +} +// Soft RELU Activation +inline TYPE srelu_op(TYPE x) +{ + return LOG_OP(ADD_OP((TYPE)CONST_ONE, EXP_OP(x))); +} +// Absolute Activation +inline TYPE abs_op(TYPE x) +{ + return ABS_OP(x); +} +// Square Activation +inline TYPE square_op(TYPE x) +{ + return MUL_OP(x, x); +} +// Square-root Activation +inline TYPE sqrt_op(TYPE x) +{ + return SQRT_OP(x); +} +// Linear Activation +inline TYPE linear_op(TYPE x) +{ + return MLA_OP((TYPE)B_VAL, (TYPE)A_VAL, x); +} + +#define ACTIVATION_OP2(op, x) op##_op(x) +#define ACTIVATION_OP(op, x) ACTIVATION_OP2(op, x) + +#endif // defined(TYPE) && defined(SELECT_TYPE)
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