From 572659a0e5dd1086b1c7d16fe331ff73d2acd93a Mon Sep 17 00:00:00 2001
From: Adnan AlSinan <adnan.alsinan@arm.com>
Date: Tue, 15 Mar 2022 18:46:42 +0000
Subject: Add CPU Pool3d FP16/32 implementation

- Add implementation for the CPU pooling 3d layer.
- NDHWC data layout support
- Support FP32/FP16.
- Add Pool3d to the operator list.
- Fix CL Pool3d kernel comments to generate the operator list.

Resolves: COMPMID-4671

Signed-off-by: Adnan AlSinan <adnan.alsinan@arm.com>
Change-Id: I92478a154beb12541525b648ed3dd5a58c8f27fa
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7311
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
---
 src/cpu/kernels/CpuPool3dKernel.h | 90 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 src/cpu/kernels/CpuPool3dKernel.h

(limited to 'src/cpu/kernels/CpuPool3dKernel.h')

diff --git a/src/cpu/kernels/CpuPool3dKernel.h b/src/cpu/kernels/CpuPool3dKernel.h
new file mode 100644
index 0000000000..f762cfca9a
--- /dev/null
+++ b/src/cpu/kernels/CpuPool3dKernel.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2022 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_CPU_POOL3D_KERNEL_H
+#define ARM_COMPUTE_CPU_POOL3D_KERNEL_H
+
+#include "arm_compute/core/Types.h"
+#include "src/core/common/Macros.h"
+#include "src/cpu/ICpuKernel.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+namespace kernels
+{
+/** Interface for the kernel to perform Pooling 3D. */
+class CpuPool3dKernel : public ICpuKernel<CpuPool3dKernel>
+{
+private:
+    /* Template function for Pooling 3D NDHWC */
+    using Pooling3dKernelPtr = std::add_pointer<void(const ITensor *, ITensor *, Pooling3dLayerInfo &, const Window &)>::type;
+
+public:
+    CpuPool3dKernel() = default;
+    ARM_COMPUTE_DISALLOW_COPY_ALLOW_MOVE(CpuPool3dKernel);
+    /** Set the src, dst tensor and pooling info.
+     *
+     * Valid data type configurations:
+     * |src            |dst            |
+     * |:--------------|:--------------|
+     * |F16            |F16            |
+     * |F32            |F32            |
+     *
+     * @param[in]  src       Source tensor info. Data types supported: F16/F32.
+     * @param[out] dst       Destination tensor info. Data types supported: Same as @p src.
+     * @param[in]  pool_info Contains pooling operation information described in @ref Pooling3dLayerInfo.
+     */
+    void configure(const ITensorInfo *src, ITensorInfo *dst, const Pooling3dLayerInfo &pool_info);
+    /** Static function to check if given info will lead to a valid configuration
+     *
+     * Similar to CpuPool3dKernel::configure()
+     *
+     * @return a status
+     */
+    static Status validate(const ITensorInfo *src, const ITensorInfo *dst, const Pooling3dLayerInfo &pool_info);
+
+    // Inherited methods overridden:
+    void run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info) override;
+    const char *name() const override;
+
+    struct Pooling3dKernel
+    {
+        const char                  *name;
+        const DataTypeISASelectorPtr is_selected;
+        Pooling3dKernelPtr           ukernel;
+    };
+
+    static const std::vector<Pooling3dKernel> &get_available_kernels();
+
+private:
+    Pooling3dLayerInfo _pool_info{};
+    Pooling3dKernelPtr _run_method{ nullptr };
+    std::string        _name{};
+};
+
+} // namespace kernels
+} // namespace cpu
+} // namespace arm_compute
+#endif /*ARM_COMPUTE_CPU_POOL3D_KERNEL_H */
\ No newline at end of file
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