1 files changed, 97 insertions, 0 deletions
diff --git a/thirdparty/oidn/mkl-dnn/src/cpu/ref_concat.hpp b/thirdparty/oidn/mkl-dnn/src/cpu/ref_concat.hpp
new file mode 100644
index 0000000000..4c534b5508
--- /dev/null
+++ b/thirdparty/oidn/mkl-dnn/src/cpu/ref_concat.hpp
@@ -0,0 +1,97 @@
+/*******************************************************************************
+* Copyright 2017-2018 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 REF_CONCAT_HPP
+#define REF_CONCAT_HPP
+
+#include "reorder_pd.hpp"
+
+#include "cpu_concat_pd.hpp"
+#include "cpu_primitive.hpp"
+
+namespace mkldnn {
+namespace impl {
+namespace cpu {
+
+struct ref_concat_t: public cpu_primitive_t {
+    struct pd_t: public cpu_concat_pd_t {
+        using cpu_concat_pd_t::cpu_concat_pd_t;
+
+        pd_t(const pd_t &rhs): cpu_concat_pd_t(rhs) {
+            for (size_t i = 0; i < rhs.reorder_pds_.size(); ++i)
+                reorder_pds_.push_back(
+                        (const reorder_pd_t *)rhs.reorder_pds_[i]->clone());
+        }
+        ~pd_t() { for (auto &rpd: reorder_pds_) delete rpd; }
+
+        DECLARE_CONCAT_PD_T("ref:any", ref_concat_t);
+
+        status_t init() {
+            bool ok = cpu_concat_pd_t::init() == status::success;
+            if (!ok) return status::unimplemented;
+
+            for (int i = 0; i < n_; ++i) {
+                auto r_impls = engine_->get_reorder_implementation_list();
+                for (auto r = r_impls; *r; ++r) {
+                    const primitive_attr_t attr; /* alpha == 1. */
+                    reorder_pd_t *r_pd = nullptr;
+                    if ((*r)(&r_pd, engine_, &attr, engine_, src_md(i),
+                                engine_, src_image_md(i)) == status::success) {
+                        r_pd->init_info();
+                        reorder_pds_.push_back(r_pd);
+                        break;
+                    }
+                }
+            }
+
+            ok = reorder_pds_.size() == (size_t)n_;
+            return ok ? status::success : status::unimplemented;
+        }
+
+        nstl::vector<const reorder_pd_t *> reorder_pds_;
+    };
+
+    ref_concat_t(const pd_t *apd): cpu_primitive_t(apd) {
+        const int n = pd()->n_inputs();
+        reorders_.resize(n);
+        for (int i = 0; i < n; ++i)
+            pd()->reorder_pds_[i]->create_primitive(&reorders_[i]);
+    }
+
+    ~ref_concat_t() { for (auto &r: reorders_) delete r; }
+
+    virtual status_t execute(const exec_ctx_t &ctx) const override {
+        const auto n = pd()->n_inputs();
+        for (int i = 0; i < n; ++i) {
+            exec_args_t r_args;
+            r_args[MKLDNN_ARG_SRC] = ctx.args().at(MKLDNN_ARG_MULTIPLE_SRC + i);
+            r_args[MKLDNN_ARG_DST] = ctx.args().at(MKLDNN_ARG_DST);
+            exec_ctx_t r_ctx(ctx.stream(), std::move(r_args));
+            reorders_[i]->execute(r_ctx);
+        }
+        return status::success;
+    }
+
+private:
+    const pd_t *pd() const { return (const pd_t *)primitive_t::pd(); }
+    nstl::vector<primitive_t *> reorders_;
+};
+
+}
+}
+}
+
+#endif