feat(dnn/opr): add megdnn adaptive pooling opr

GitOrigin-RevId: 563ce65479

dnn/include/megdnn/oprs/nn.h

@@ -683,6 +683,53 @@ protected:
 };
 
 /**
+ * \brief base class for AdaptivePooling
+ */
+class AdaptivePoolingBase : public OperatorBase {
+    DEF_OPR_IMPL_CTOR(AdaptivePoolingBase, OperatorBase);
+    DEF_OPR_PARAM(AdaptivePooling);
+
+protected:
+    param::Pooling deduce_pooling_param(const TensorLayout& src,
+                                        const TensorLayout& dst);
+};
+
+class AdaptivePoolingForward : public AdaptivePoolingBase {
+    DEF_OPR_IMPL(AdaptivePoolingForward, AdaptivePoolingBase, 1, 1);
+
+public:
+    /**
+     * \param[in] src input tensor
+     * \param[out] dst output tensor
+     */
+    virtual void exec(_megdnn_tensor_in src, _megdnn_tensor_out dst,
+                      _megdnn_workspace workspace) = 0;
+    virtual size_t get_workspace_in_bytes(const TensorLayout& src,
+                                          const TensorLayout& dst) = 0;
+};
+
+using AdaptivePooling = AdaptivePoolingForward;
+
+class AdaptivePoolingBackward : public AdaptivePoolingBase {
+    DEF_OPR_IMPL(AdaptivePoolingBackward, AdaptivePoolingBase, 3, 1);
+
+public:
+    /**
+     * \param[in] src the `src' parameter in AdaptivePoolingForward::exec
+     * \param[in] dst the `dst' parameter in AdaptivePoolingForward::exec
+     * \param[in] diff the backpropagated gradient wrt. dst
+     * \param[out] grad the backpropagated gradient wrt. src
+     */
+    virtual void exec(_megdnn_tensor_in src, _megdnn_tensor_in dst,
+                      _megdnn_tensor_in diff, _megdnn_tensor_out grad,
+                      _megdnn_workspace workspace) = 0;
+    virtual size_t get_workspace_in_bytes(const TensorLayout& src,
+                                          const TensorLayout& dst,
+                                          const TensorLayout& diff,
+                                          const TensorLayout& grad) = 0;
+};
+
+/**
  * \brief base class for Local
  */
 class LocalBase : public OperatorBase {

dnn/src/common/adaptive_pooling.cpp

@@ -0,0 +1,37 @@
+/**
+ * \file dnn/src/common/adaptive_pooling.cpp
+ * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
+ *
+ * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ */
+#include "megdnn/opr_param_defs.h"
+#include "megdnn/oprs.h"
+
+#include "src/common/utils.h"
+namespace megdnn {
+
+param::Pooling AdaptivePoolingBase::deduce_pooling_param(
+        const TensorLayout& src, const TensorLayout& dst) {
+    megdnn_assert(param().format == param::AdaptivePooling::Format::NCHW);
+    size_t IH = src.shape[2], IW = src.shape[3], OH = dst.shape[2],
+           OW = dst.shape[3];
+
+    param::Pooling ret;
+    ret.mode = param().mode;
+    ret.format = param().format;
+    ret.pad_h = ret.pad_w = 0;
+    ret.stride_h = floor(IH / OH);
+    ret.stride_w = floor(IW / OW);
+    ret.window_h = IH - (OH - 1) * ret.stride_h;
+    ret.window_w = IW - (OW - 1) * ret.stride_w;
+
+    return ret;
+}
+}  // namespace megdnn
+
+// vim: syntax=cpp.doxygen

dnn/src/common/handle_impl.h

@@ -199,6 +199,8 @@ private:
     cb(Remap) \
     cb(RemapBackwardData) \
     cb(RemapBackwardMat) \
+    cb(AdaptivePoolingForward) \
+    cb(AdaptivePoolingBackward) \
 
 /*!
  * \brief specialize HandleImpl::create_operator for a single opr type;

dnn/src/cuda/adaptive_pooling/opr_impl.cpp

@@ -0,0 +1,53 @@
+/**
+ * \file dnn/src/cuda/adaptive_pooling/opr_impl.cpp
+ * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
+ *
+ * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ */
+#include "src/cuda/adaptive_pooling/opr_impl.h"
+#include "src/cuda/utils.h"
+
+namespace megdnn {
+namespace cuda {
+
+void AdaptivePoolingForwardImpl::exec(_megdnn_tensor_in src,
+                                      _megdnn_tensor_out dst,
+                                      _megdnn_workspace workspace) {
+    auto opr = handle()->create_operator<PoolingForward>();
+    opr->param() = deduce_pooling_param(src.layout, dst.layout);
+    opr->exec(src, dst, workspace);
+}
+
+size_t AdaptivePoolingForwardImpl::get_workspace_in_bytes(
+        const TensorLayout& src, const TensorLayout& dst) {
+    auto opr = handle()->create_operator<PoolingForward>();
+    opr->param() = deduce_pooling_param(src, dst);
+    return opr->get_workspace_in_bytes(src, dst);
+}
+
+void AdaptivePoolingBackwardImpl::exec(_megdnn_tensor_in src,
+                                       _megdnn_tensor_in dst,
+                                       _megdnn_tensor_in diff,
+                                       _megdnn_tensor_out grad,
+                                       _megdnn_workspace workspace) {
+    auto opr = handle()->create_operator<PoolingBackward>();
+    opr->param() = deduce_pooling_param(src.layout, dst.layout);
+    opr->exec(src, dst, diff, grad, workspace);
+}
+
+size_t AdaptivePoolingBackwardImpl::get_workspace_in_bytes(
+        const TensorLayout& src, const TensorLayout& dst,
+        const TensorLayout& diff, const TensorLayout& grad) {
+    auto opr = handle()->create_operator<PoolingBackward>();
+    opr->param() = deduce_pooling_param(src, dst);
+    return opr->get_workspace_in_bytes(src, dst, diff, grad);
+}
+}  // namespace cuda
+}  // namespace megdnn
+
+// vim: syntax=cpp.doxygen

dnn/src/cuda/adaptive_pooling/opr_impl.h

@@ -0,0 +1,44 @@
+/**
+ * \file dnn/src/cuda/adaptive_pooling/opr_impl.h
+ * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
+ *
+ * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ */
+#pragma once
+#include "megdnn/oprs.h"
+
+#include "src/cuda/cudnn_wrapper.h"
+#include "src/cuda/utils.h"
+
+namespace megdnn {
+namespace cuda {
+
+class AdaptivePoolingForwardImpl final : public AdaptivePoolingForward {
+public:
+    using AdaptivePoolingForward::AdaptivePoolingForward;
+    void exec(_megdnn_tensor_in src, _megdnn_tensor_out dst,
+              _megdnn_workspace workspace) override;
+    size_t get_workspace_in_bytes(const TensorLayout& src,
+                                  const TensorLayout& dst) override;
+};
+
+class AdaptivePoolingBackwardImpl final : public AdaptivePoolingBackward {
+public:
+    using AdaptivePoolingBackward::AdaptivePoolingBackward;
+    void exec(_megdnn_tensor_in src, _megdnn_tensor_in dst,
+              _megdnn_tensor_in diff, _megdnn_tensor_out grad,
+              _megdnn_workspace workspace) override;
+    size_t get_workspace_in_bytes(const TensorLayout& src,
+                                  const TensorLayout& dst,
+                                  const TensorLayout& diff,
+                                  const TensorLayout& grad) override;
+};
+}  // namespace cuda
+}  // namespace megdnn
+
+// vim: syntax=cpp.doxygen

dnn/src/cuda/handle_create.cpp

@@ -11,6 +11,7 @@
 
 #include "src/common/handle_impl.h"
 
+#include "src/cuda/adaptive_pooling/opr_impl.h"
 #include "src/cuda/add_update/opr_impl.h"
 #include "src/cuda/argmxx/opr_impl.h"
 #include "src/cuda/argsort/opr_impl.h"

dnn/src/naive/adaptive_pooling/opr_impl.cpp

@@ -0,0 +1,52 @@
+/**
+ * \file dnn/src/naive/adaptive_pooling/opr_impl.cpp
+ * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
+ *
+ * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ */
+#include "src/naive/adaptive_pooling/opr_impl.h"
+
+#include "src/common/opr_delegate.h"
+#include "src/common/utils.h"
+#include "src/naive/handle.h"
+
+namespace megdnn {
+namespace naive {
+
+void AdaptivePoolingForwardImpl::exec(_megdnn_tensor_in src,
+                                      _megdnn_tensor_out dst,
+                                      _megdnn_workspace workspace) {
+    MEGDNN_DISPATCH_CPU_KERN(static_cast<naive::HandleImpl*>(handle()), {
+        auto opr = inplace_cpu_handle()->create_operator<PoolingForward>();
+        opr->param() = deduce_pooling_param(src.layout, dst.layout);
+        opr->exec(src, dst, workspace);
+    });
+}
+
+void AdaptivePoolingBackwardImpl::exec(_megdnn_tensor_in src,
+                                       _megdnn_tensor_in dst,
+                                       _megdnn_tensor_in diff,
+                                       _megdnn_tensor_out grad,
+                                       _megdnn_workspace workspace) {
+    MEGDNN_DISPATCH_CPU_KERN(static_cast<naive::HandleImpl*>(handle()), {
+        auto opr = inplace_cpu_handle()->create_operator<PoolingBackward>();
+        opr->param() = deduce_pooling_param(src.layout, dst.layout);
+        opr->exec(src, dst, diff, grad, workspace);
+    });
+}
+
+size_t AdaptivePoolingBackwardImpl::get_workspace_in_bytes(
+        const TensorLayout& src, const TensorLayout& dst,
+        const TensorLayout& diff, const TensorLayout& grad) {
+    auto opr = inplace_cpu_handle()->create_operator<PoolingBackward>();
+    opr->param() = deduce_pooling_param(src, dst);
+    return opr->get_workspace_in_bytes(src, dst, diff, grad);
+}
+}  // namespace naive
+}  // namespace megdnn
+// vim: syntax=cpp.doxygen

dnn/src/naive/adaptive_pooling/opr_impl.h

@@ -0,0 +1,43 @@
+/**
+ * \file dnn/src/naive/adaptive_pooling/opr_impl.h
+ * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
+ *
+ * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ */
+#pragma once
+#include "megdnn/oprs.h"
+#include "src/common/utils.h"
+
+namespace megdnn {
+namespace naive {
+
+class AdaptivePoolingForwardImpl : public AdaptivePoolingForward {
+public:
+    using AdaptivePoolingForward::AdaptivePoolingForward;
+    void exec(_megdnn_tensor_in src, _megdnn_tensor_out dst,
+              _megdnn_workspace workspace) override;
+    size_t get_workspace_in_bytes(const TensorLayout&,
+                                  const TensorLayout&) override {
+        return 0;
+    }
+};
+
+class AdaptivePoolingBackwardImpl : public AdaptivePoolingBackward {
+public:
+    using AdaptivePoolingBackward::AdaptivePoolingBackward;
+    void exec(_megdnn_tensor_in src, _megdnn_tensor_in dst,
+              _megdnn_tensor_in diff, _megdnn_tensor_out grad,
+              _megdnn_workspace workspace) override;
+    size_t get_workspace_in_bytes(const TensorLayout& src,
+                                  const TensorLayout& dst,
+                                  const TensorLayout& diff,
+                                  const TensorLayout& grad) override;
+};
+}  // namespace naive
+}  // namespace megdnn
+// vim: syntax=cpp.doxygen

dnn/src/naive/handle.cpp

@@ -13,6 +13,7 @@
 
 #include "src/common/handle_impl.h"
 
+#include "src/naive/adaptive_pooling/opr_impl.h"
 #include "src/naive/add_update/opr_impl.h"
 #include "src/naive/argmxx/opr_impl.h"
 #include "src/naive/argsort/opr_impl.h"

dnn/test/common/adaptive_pooling.h

@@ -0,0 +1,55 @@
+/**
+ * \file dnn/test/common/adaptive_pooling.h
+ * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
+ *
+ * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ */
+#pragma once
+#include <cstddef>
+#include "megdnn/basic_types.h"
+#include "megdnn/opr_param_defs.h"
+
+namespace megdnn {
+namespace test {
+namespace adaptive_pooling {
+
+struct TestArg {
+    param::AdaptivePooling param;
+    TensorShape ishape;
+    TensorShape oshape;
+    TestArg(param::AdaptivePooling param, TensorShape ishape,
+            TensorShape oshape)
+            : param(param), ishape(ishape), oshape(oshape) {}
+};
+
+inline std::vector<TestArg> get_args() {
+    std::vector<TestArg> args;
+    using Param = param::AdaptivePooling;
+    using Mode = param::AdaptivePooling::Mode;
+
+    for (size_t i = 36; i < 40; ++i) {
+        args.emplace_back(Param{Mode::AVERAGE}, TensorShape{2, 3, i, i + 1},
+                          TensorShape{2, 3, i - 4, i - 2});
+        args.emplace_back(Param{Mode::MAX}, TensorShape{2, 3, i, i + 1},
+                          TensorShape{2, 3, i - 4, i - 2});
+    }
+
+    for (size_t i = 5; i < 10; ++i) {
+        args.emplace_back(Param{Mode::AVERAGE}, TensorShape{2, 3, i, i + 1},
+                          TensorShape{2, 3, i - 3, i - 2});
+        args.emplace_back(Param{Mode::MAX}, TensorShape{2, 3, i, i + 1},
+                          TensorShape{2, 3, i - 3, i - 2});
+    }
+    return args;
+}
+
+}  // namespace adaptive_pooling
+}  // namespace test
+}  // namespace megdnn
+
+// vim: syntax=cpp.doxygen

dnn/test/common/opr_trait.h

@@ -41,6 +41,8 @@ DEF(Images2NeibsForward, 2, true, true);
 DEF(Images2NeibsBackward, 2, true, false);
 DEF(PoolingForward, 2, true, true);
 DEF(PoolingBackward, 4, true, false);
+DEF(AdaptivePoolingForward, 2, true, false);
+DEF(AdaptivePoolingBackward, 4, true, false);
 DEF(LocalForward, 3, true, true);
 DEF(LocalBackwardData, 3, true, false);
 DEF(LocalBackwardFilter, 3, true, false);

dnn/test/cuda/adaptive_pooling.cpp

@@ -0,0 +1,97 @@
+/**
+ * \file dnn/test/cuda/adaptive_pooling.cpp
+ * MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
+ *
+ * Copyright (c) 2014-2020 Megvii Inc. All rights reserved.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ */
+#include "test/cuda/fixture.h"
+
+#include "megdnn/tensor_iter.h"
+#include "test/common/adaptive_pooling.h"
+#include "test/common/checker.h"
+
+#include "src/common/utils.h"
+#include "test/cuda/utils.h"
+
+#include <cudnn.h>
+#include "test/cuda/benchmark.h"
+
+namespace megdnn {
+namespace test {
+
+TEST_F(CUDA, ADAPTIVE_POOLING_FORWARD) {
+    auto args = adaptive_pooling::get_args();
+    using Format = param::AdaptivePooling::Format;
+    DType dtype = dtype::Float32();
+    for (auto&& arg : args) {
+        auto param = arg.param;
+        auto src = arg.ishape;
+        auto dst = arg.oshape;
+        param.format = Format::NCHW;
+        Checker<AdaptivePooling> checker(handle_cuda());
+        checker.set_epsilon(1e-2);
+        checker.set_param(param).set_dtype(0, dtype).set_dtype(1, dtype).exec(
+                TensorShapeArray{src, dst, {}});
+    }
+}
+
+TEST_F(CUDA, ADAPTIVE_POOLING_BACKWARD) {
+    auto args = adaptive_pooling::get_args();
+    for (auto&& arg : args) {
+        Checker<AdaptivePoolingBackward> checker(handle_cuda());
+        TensorLayout ilayout = TensorLayout(arg.ishape, dtype::Float32());
+        TensorLayout olayout = TensorLayout(arg.oshape, dtype::Float32());
+
+        auto constraint = [this,
+                           arg](CheckerHelper::TensorValueArray& tensors_orig) {
+            megdnn_assert(tensors_orig.size() == 4);
+            auto opr = handle_cuda()->create_operator<AdaptivePoolingForward>();
+            opr->param() = arg.param;
+
+            auto tensors_cuda_storage = CheckerHelper::alloc_tensors(
+                    handle_cuda(),
+                    {tensors_orig[0].layout, tensors_orig[1].layout}, 0);
+            auto&& tensors_cuda = *tensors_cuda_storage;
+
+            auto span = tensors_cuda[0].layout.span();
+            auto dst = static_cast<dt_byte*>(tensors_cuda[0].raw_ptr) +
+                       span.low_byte;
+            auto src = static_cast<const dt_byte*>(tensors_orig[0].raw_ptr) +
+                       span.low_byte;
+            megdnn_memcpy_H2D(handle_cuda(), dst, src, span.dist_byte());
+
+            auto workspace_size = opr->get_workspace_in_bytes(
+                    tensors_cuda[0].layout, tensors_cuda[1].layout);
+            auto workspace_cuda = megdnn_malloc(handle_cuda(), workspace_size);
+            Workspace workspace{static_cast<dt_byte*>(workspace_cuda),
+                                workspace_size};
+            opr->exec(tensors_cuda[0], tensors_cuda[1], workspace);
+            megdnn_free(handle_cuda(), workspace_cuda);
+
+            span = tensors_cuda[1].layout.span();
+            dst = static_cast<dt_byte*>(tensors_orig[1].raw_ptr) +
+                  span.low_byte;
+            src = static_cast<const dt_byte*>(tensors_cuda[1].raw_ptr) +
+                  span.low_byte;
+            megdnn_memcpy_D2H(handle_cuda(), dst, src, span.dist_byte());
+        };
+
+        DType dtype = dtype::Float32();
+        checker.set_tensors_constraint(constraint)
+                .set_dtype(0, dtype)
+                .set_dtype(1, dtype)
+                .set_dtype(2, dtype)
+                .set_dtype(3, dtype)
+                .set_param(arg.param)
+                .exec(TensorShapeArray{ilayout, olayout, olayout, ilayout});
+    }
+}
+}  // namespace test
+}  // namespace megdnn
+
+// vim: syntax=cpp.doxygen