1 files changed, 194 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/ref_convolution.hpp b/thirdparty/oidn/mkl-dnn/src/cpu/ref_convolution.hpp
new file mode 100644
index 0000000000..7c83d0c6d4
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/cpu/ref_convolution.hpp
@@ -0,0 +1,194 @@
+/*******************************************************************************
+* 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_CONVOLUTION_HPP
+#define CPU_REF_CONVOLUTION_HPP
+
+#include <assert.h>
+
+#include "c_types_map.hpp"
+#include "type_helpers.hpp"
+#include "utils.hpp"
+
+#include "cpu_convolution_pd.hpp"
+#include "cpu_primitive.hpp"
+
+namespace mkldnn {
+namespace impl {
+namespace cpu {
+
+template <impl::data_type_t src_type,
+         impl::data_type_t wei_type = src_type,
+         impl::data_type_t dst_type = src_type,
+         impl::data_type_t acc_type = dst_type>
+struct ref_convolution_fwd_t: public cpu_primitive_t {
+    struct pd_t: public cpu_convolution_fwd_pd_t {
+        using cpu_convolution_fwd_pd_t::cpu_convolution_fwd_pd_t;
+
+        DECLARE_COMMON_PD_T("ref:any", ref_convolution_fwd_t);
+
+        status_t init() {
+            using namespace data_type;
+
+            bool ok = true
+                && is_fwd()
+                && set_default_alg_kind(alg_kind::convolution_direct)
+                && expect_data_types(src_type, wei_type, data_type::undef,
+                        dst_type, acc_type)
+                && IMPLICATION(with_bias(), true
+                        && IMPLICATION(src_type == u8,
+                            utils::one_of(bias_md_.data_type, f32, s32, s8, u8))
+                        && IMPLICATION(src_type == f32,
+                            bias_md_.data_type == f32))
+                && set_default_formats()
+                && attr()->has_default_values();
+            return ok ? status::success : status::unimplemented;
+        }
+
+    protected:
+        bool set_default_formats() {
+            using namespace format_tag;
+            auto dat_tag = utils::pick(ndims() - 3, ncw, nchw, ncdhw);
+            auto wei_tag = with_groups()
+                ? utils::pick(ndims() - 3, goiw, goihw, goidhw)
+                : utils::pick(ndims() - 3, oiw, oihw, oidhw);
+            return set_default_formats_common(dat_tag, wei_tag, dat_tag);
+        }
+    };
+
+    ref_convolution_fwd_t(const pd_t *apd): cpu_primitive_t(apd) {}
+
+    typedef typename prec_traits<src_type>::type src_data_t;
+    typedef typename prec_traits<wei_type>::type wei_data_t;
+    typedef typename prec_traits<dst_type>::type dst_data_t;
+    typedef typename prec_traits<acc_type>::type acc_data_t;
+
+    virtual status_t execute(const exec_ctx_t &ctx) const override {
+        execute_forward(ctx);
+        return status::success;
+    }
+
+private:
+    void execute_forward(const exec_ctx_t &ctx) const;
+    const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
+};
+
+template <impl::data_type_t diff_src_type, impl::data_type_t wei_type,
+         impl::data_type_t diff_dst_type,
+         impl::data_type_t acc_type = diff_src_type>
+struct ref_convolution_bwd_data_t: public cpu_primitive_t {
+    struct pd_t: public cpu_convolution_bwd_data_pd_t {
+        using cpu_convolution_bwd_data_pd_t::cpu_convolution_bwd_data_pd_t;
+
+        DECLARE_COMMON_PD_T("ref:any", ref_convolution_bwd_data_t);
+
+        status_t init() {
+            bool ok = true
+                && desc()->prop_kind == prop_kind::backward_data
+                && set_default_alg_kind(alg_kind::convolution_direct)
+                && expect_data_types(diff_src_type, wei_type, data_type::undef,
+                        diff_dst_type, acc_type)
+                && set_default_formats()
+                && attr()->has_default_values();
+
+            return ok ? status::success : status::unimplemented;
+        }
+
+        virtual bool support_bias() const override { return true; }
+
+    protected:
+        bool set_default_formats() {
+            using namespace format_tag;
+            auto dat_tag = utils::pick(ndims() - 3, ncw, nchw, ncdhw);
+            auto wei_tag = with_groups()
+                ? utils::pick(ndims() - 3, goiw, goihw, goidhw)
+                : utils::pick(ndims() - 3, oiw, oihw, oidhw);
+            return set_default_formats_common(dat_tag, wei_tag, dat_tag);
+        }
+    };
+
+    ref_convolution_bwd_data_t(const pd_t *apd): cpu_primitive_t(apd) {}
+
+    typedef typename prec_traits<diff_src_type>::type diff_src_data_t;
+    typedef typename prec_traits<wei_type>::type wei_data_t;
+    typedef typename prec_traits<diff_dst_type>::type diff_dst_data_t;
+    typedef typename prec_traits<acc_type>::type acc_data_t;
+
+    virtual status_t execute(const exec_ctx_t &ctx) const override {
+        execute_backward_data(ctx);
+        return status::success;
+    }
+
+private:
+    void execute_backward_data(const exec_ctx_t &ctx) const;
+    const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
+};
+
+template <impl::data_type_t src_type, impl::data_type_t diff_wei_type,
+         impl::data_type_t diff_dst_type,
+         impl::data_type_t acc_type = diff_wei_type>
+struct ref_convolution_bwd_weights_t: public cpu_primitive_t {
+    struct pd_t: public cpu_convolution_bwd_weights_pd_t {
+        using cpu_convolution_bwd_weights_pd_t::cpu_convolution_bwd_weights_pd_t;
+
+        DECLARE_COMMON_PD_T("ref:any", ref_convolution_bwd_weights_t);
+
+        status_t init() {
+            bool ok = true
+                && desc()->prop_kind == prop_kind::backward_weights
+                && set_default_alg_kind(alg_kind::convolution_direct)
+                && expect_data_types(src_type, diff_wei_type, diff_wei_type,
+                        diff_dst_type, acc_type)
+                && set_default_formats()
+                && attr()->has_default_values();
+            return ok ? status::success : status::unimplemented;
+        }
+
+    protected:
+        bool set_default_formats() {
+            using namespace format_tag;
+            auto dat_tag = utils::pick(ndims() - 3, ncw, nchw, ncdhw);
+            auto wei_tag = with_groups()
+                ? utils::pick(ndims() - 3, goiw, goihw, goidhw)
+                : utils::pick(ndims() - 3, oiw, oihw, oidhw);
+            return set_default_formats_common(dat_tag, wei_tag, dat_tag);
+        }
+    };
+
+    ref_convolution_bwd_weights_t(const pd_t *apd): cpu_primitive_t(apd) {}
+
+    typedef typename prec_traits<src_type>::type src_data_t;
+    typedef typename prec_traits<diff_wei_type>::type diff_wei_data_t;
+    typedef typename prec_traits<diff_dst_type>::type diff_dst_data_t;
+    typedef typename prec_traits<acc_type>::type acc_data_t;
+
+    virtual status_t execute(const exec_ctx_t &ctx) const override {
+        execute_backward_weights(ctx);
+        return status::success;
+    }
+
+private:
+    void execute_backward_weights(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