diff options
Diffstat (limited to 'thirdparty/oidn/mkl-dnn/src/cpu/ref_eltwise.hpp')
| -rw-r--r-- | thirdparty/oidn/mkl-dnn/src/cpu/ref_eltwise.hpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/ref_eltwise.hpp b/thirdparty/oidn/mkl-dnn/src/cpu/ref_eltwise.hpp new file mode 100644 index 0000000000..8f4ab35413 --- /dev/null +++ b/thirdparty/oidn/mkl-dnn/src/cpu/ref_eltwise.hpp @@ -0,0 +1,168 @@ +/******************************************************************************* +* 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_ELTWISE_HPP +#define CPU_REF_ELTWISE_HPP + +#include <assert.h> + +#include "c_types_map.hpp" +#include "type_helpers.hpp" +#include "utils.hpp" + +#include "cpu_eltwise_pd.hpp" +#include "cpu_primitive.hpp" + +namespace mkldnn { +namespace impl { +namespace cpu { + +struct ref_eltwise_scalar_fwd_t { +public: + ref_eltwise_scalar_fwd_t(alg_kind_t alg, float alpha, float beta); + + // note that eltwise.scale is ignored + ref_eltwise_scalar_fwd_t(const post_ops_t::entry_t::eltwise_t &eltwise); + + float compute_scalar(float s); + + const alg_kind_t alg_; + const float alpha_; + const float beta_; +}; + +template <impl::data_type_t data_type> +struct ref_eltwise_fwd_t: public cpu_primitive_t { + struct pd_t: public cpu_eltwise_fwd_pd_t { + using cpu_eltwise_fwd_pd_t::cpu_eltwise_fwd_pd_t; + + DECLARE_COMMON_PD_T("ref:any", ref_eltwise_fwd_t); + + status_t init() { + using namespace utils; + + auto src_d = memory_desc_wrapper(src_md()); + + use_dense_ = false + || src_d.is_dense() + || (src_d.is_dense(true) && is_zero_preserved()); + + use_nCspBc_padded_ = !use_dense_ + && src_d.blocking_desc().inner_nblks == 1 + && one_of(src_d.blocking_desc().inner_blks[0], 8, 16) + && src_d.blocking_desc().inner_idxs[0] == 1 + && src_d.only_padded_dim(1) + && src_d.is_dense(true); + + if (has_zero_dim_memory()) + use_dense_ = use_nCspBc_padded_ = false; + + const bool use_generic = !use_dense_ && !use_nCspBc_padded_; + + bool ok = true + && is_fwd() + && everyone_is(data_type, desc()->data_desc.data_type) + && IMPLICATION(use_generic, one_of(src_d.ndims(), 4, 5)) + && attr()->has_default_values(); + if (!ok) return status::unimplemented; + + return status::success; + } + + bool use_dense_, use_nCspBc_padded_; + }; + + ref_eltwise_fwd_t(const pd_t *apd): cpu_primitive_t(apd) {} + typedef typename prec_traits<data_type>::type data_t; + + virtual status_t execute(const exec_ctx_t &ctx) const override { + if (pd()->use_dense_) + execute_forward_dense(ctx); + else if (pd()->use_nCspBc_padded_) + execute_forward_nCspBc_padded(ctx); + else + execute_forward_generic(ctx); + return status::success; + } + +private: + void execute_forward_nCspBc_padded(const exec_ctx_t &ctx) const; + void execute_forward_dense(const exec_ctx_t &ctx) const; + void execute_forward_generic(const exec_ctx_t &ctx) const; + const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); } +}; + +template <impl::data_type_t data_type> +struct ref_eltwise_bwd_t: public cpu_primitive_t { + struct pd_t: public cpu_eltwise_bwd_pd_t { + using cpu_eltwise_bwd_pd_t::cpu_eltwise_bwd_pd_t; + + DECLARE_COMMON_PD_T("ref:any", ref_eltwise_bwd_t); + + status_t init() { + using namespace utils; + + bool ok = true + && !is_fwd() + && everyone_is(data_type, + desc()->data_desc.data_type, + desc()->diff_data_desc.data_type) + && attr()->has_default_values(); + if (!ok) return status::unimplemented; + + auto diff_dst_d = memory_desc_wrapper(diff_dst_md()); + const bool same_fmt_ = diff_dst_d == memory_desc_wrapper(src_md()); + + use_dense_ = true + && same_fmt_ + && diff_dst_d.is_dense(true) + && is_zero_preserved() + && !has_zero_dim_memory(); + const bool use_generic = !use_dense_; + + if (use_generic && !one_of(diff_dst_d.ndims(), 4, 5)) + return status::unimplemented; + + return status::success; + } + + bool use_dense_; + }; + + ref_eltwise_bwd_t(const pd_t *apd): cpu_primitive_t(apd) {} + typedef typename prec_traits<data_type>::type data_t; + + virtual status_t execute(const exec_ctx_t &ctx) const override { + if (pd()->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(); } +}; + +} +} +} + +#endif + +// vim: et ts=4 sw=4 cindent cino^=l0,\:0,N-s |