diff options
Diffstat (limited to 'thirdparty/oidn/mkl-dnn/src/cpu/ref_softmax.hpp')
| -rw-r--r-- | thirdparty/oidn/mkl-dnn/src/cpu/ref_softmax.hpp | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/ref_softmax.hpp b/thirdparty/oidn/mkl-dnn/src/cpu/ref_softmax.hpp deleted file mode 100644 index 5cb74d8007..0000000000 --- a/thirdparty/oidn/mkl-dnn/src/cpu/ref_softmax.hpp +++ /dev/null @@ -1,186 +0,0 @@ -/******************************************************************************* -* Copyright 2016-2018 Intel Corporation -* -* 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. -*******************************************************************************/ - -#ifndef CPU_REF_SOFTMAX_HPP -#define CPU_REF_SOFTMAX_HPP - -#include <assert.h> - -#include "c_types_map.hpp" -#include "memory_tracking.hpp" -#include "type_helpers.hpp" -#include "utils.hpp" - -#include "cpu_softmax_pd.hpp" -#include "cpu_primitive.hpp" - -namespace mkldnn { -namespace impl { -namespace cpu { - -template <impl::data_type_t data_type> -struct ref_softmax_fwd_t: public cpu_primitive_t { - struct pd_t: public cpu_softmax_fwd_pd_t { - using cpu_softmax_fwd_pd_t::cpu_softmax_fwd_pd_t; - - DECLARE_COMMON_PD_T("ref:any", ref_softmax_fwd_t); - - status_t init() { - bool ok = true - && is_fwd() - && src_md()->data_type == data_type - && attr()->has_default_values(); - if (!ok) return status::unimplemented; - - init_scratchpad(); - - return status::success; - } - - private: - void init_scratchpad() { - const int inner_size = utils::array_product( - desc()->data_desc.dims + desc()->softmax_axis + 1, - desc()->data_desc.ndims - desc()->softmax_axis - 1); - - if (inner_size > 1) { - auto scratchpad = scratchpad_registry().registrar(); - scratchpad.book(memory_tracking::names::key_softmax_reduction, - sizeof(data_t) * 2 * inner_size); - } - } - }; - - ref_softmax_fwd_t(const pd_t *apd): cpu_primitive_t(apd) - { - auto ndims = pd()->desc()->data_desc.ndims; - auto dims = pd()->desc()->data_desc.dims; - auto axis = pd()->desc()->softmax_axis; - - outer_size_ = utils::array_product(dims, axis); - channels_ = dims[axis]; - inner_size_ = utils::array_product(dims + axis + 1, ndims - axis - 1); - - const memory_desc_wrapper data_d(pd()->src_md()); - - bool no_axis_blocking = true; - for (int iblk = 0; iblk < data_d.blocking_desc().inner_nblks; ++iblk) - if (data_d.blocking_desc().inner_idxs[iblk] == axis) - no_axis_blocking = false; - - use_dense_ = inner_size_ == 1 && data_d.is_dense() - && no_axis_blocking - && data_d.blocking_desc().strides[axis] == 1; - } - - typedef typename prec_traits<data_type>::type data_t; - - virtual status_t execute(const exec_ctx_t &ctx) const override { - if (use_dense_) - execute_forward_dense(ctx); - else - execute_forward_generic(ctx); - return status::success; - } - -private: - void execute_forward_dense(const exec_ctx_t &ctx) const; - void execute_forward_generic(const exec_ctx_t &ctx) const; - - void _max(int n, const data_t *x, data_t *max_data) const; - void _sub(int n, data_t alpha, const data_t *x, data_t *y) const; - void _exp(int n, const data_t *a, data_t *r) const; - void _sum(int n, const data_t *x, data_t *sum_data) const; - void _scal(int n, data_t alpha, data_t *x) const; - - const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); } - - bool use_dense_; - int outer_size_, channels_, inner_size_; -}; - -template <impl::data_type_t data_type> -struct ref_softmax_bwd_t: public cpu_primitive_t { - struct pd_t: public cpu_softmax_bwd_pd_t { - using cpu_softmax_bwd_pd_t::cpu_softmax_bwd_pd_t; - - DECLARE_COMMON_PD_T("ref:any", ref_softmax_bwd_t); - - status_t init() { - bool ok = true - && !is_fwd() - && utils::everyone_is(data_type, - dst_md()->data_type, - diff_src_md()->data_type) - && attr()->has_default_values(); - if (!ok) return status::unimplemented; - - return status::success; - } - }; - - ref_softmax_bwd_t(const pd_t *apd): cpu_primitive_t(apd) { - auto dims = pd()->desc()->diff_desc.dims; - auto axis = pd()->desc()->softmax_axis; - auto ndims = pd()->desc()->diff_desc.ndims; - - outer_size_ = utils::array_product(dims, axis); - channels_ = dims[axis]; - inner_size_ = utils::array_product(dims + axis + 1, ndims - axis - 1); - - const memory_desc_wrapper data_d(pd()->dst_md()); - const memory_desc_wrapper diff_d(pd()->diff_dst_md()); - - bool no_axis_blocking = true; - for (int iblk = 0; iblk < diff_d.blocking_desc().inner_nblks; ++iblk) - if (diff_d.blocking_desc().inner_idxs[iblk] == axis) - no_axis_blocking = false; - - use_dense_ = true - && inner_size_ == 1 - && diff_d == data_d - && diff_d.is_dense() - && no_axis_blocking - && diff_d.blocking_desc().strides[axis] == 1; - } - - typedef typename prec_traits<data_type>::type data_t; - - virtual status_t execute(const exec_ctx_t &ctx) const override { - if (use_dense_) - execute_backward_dense(ctx); - else - execute_backward_generic(ctx); - return status::success; - } - -private: - void execute_backward_dense(const exec_ctx_t &ctx) const; - void execute_backward_generic(const exec_ctx_t &ctx) const; - const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); } - - bool use_dense_; - int outer_size_, channels_, inner_size_; -}; - - -} -} -} - -#endif - -// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s |