202 lines
7.4 KiB
C++
202 lines
7.4 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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#ifndef REDUCE_LONG_H
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#define REDUCE_LONG_H
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#include <dll.h>
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//#include <string>
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#include <stdio.h>
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#include <helpers/shape.h>
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#ifdef _OPENMP
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#include <omp.h>
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#endif
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#include <templatemath.h>
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#include <nd4jmalloc.h>
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#include <pairwise_util.h>
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#include <ops/ops.h>
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#include <ops/special_accumulation_ops.h>
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#include <op_boilerplate.h>
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#pragma once
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#ifdef __CUDACC__
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#include <cuda.h>
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#include <cuda_runtime.h>
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#endif
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#ifndef _OPENMP
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#define omp_get_thread_num() 0
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#define omp_get_max_threads() 1
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#endif
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#include "legacy_ops.h"
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//an op for the kernel
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namespace functions {
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namespace reduce {
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/**
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* A reduce function
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* reduces a vector down to
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* a subset of itself
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* via aggregating member
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* elements.
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*/
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template<typename X, typename Z>
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class ReduceLongFunction {
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public:
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#ifdef __CUDACC__
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template<typename OpType>
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static __device__ void aggregatePartials(void *sPartials, Nd4jLong tid, Nd4jLong numItems, void *extraParams);
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template<typename OpType>
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static __device__ void execScalarCuda( void *vx, Nd4jLong *xShapeInfo, void *extraParams, void *vz, Nd4jLong *zShapeInfo, void *reductionBuffer, Nd4jLong *tadOnlyShapeInfo);
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template<typename OpType>
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static __device__ void transformCudaXD( void *vx, Nd4jLong *xShapeInfo, void *extraParams, void *vz, Nd4jLong *zShapeInfo, int *dimension, int dimensionLength, void *reductionBuffer, Nd4jLong *tadOnlyShapeInfo, Nd4jLong *tadOffsets);
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template<typename OpType>
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static __host__ void intermediateScalar(dim3 launchDims, cudaStream_t *stream, void *vx, Nd4jLong *xShapeInfo, void *extraParams, void *vz, Nd4jLong *zShapeInfo, int *dimension, int dimensionLength, void *reductionBuffer, Nd4jLong *tadOnlyShapeInfo);
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template<typename OpType>
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static __host__ void intermediateXD(dim3 launchDims, cudaStream_t *stream, void *vx, Nd4jLong *xShapeInfo, void *extraParams, void *vz, Nd4jLong *zShape, int *dimension, int dimensionLength, void *reductionPointer, Nd4jLong *tadShapeInfo, Nd4jLong *tadOffsets);
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static __host__ void execReduceScalar(dim3 launchDims, cudaStream_t *stream, int opNum, void *vx, Nd4jLong *xShapeInfo, void *extraParams, void *vz, Nd4jLong *zShapeInfo, int *dimension, int dimensionLength, void *reductionBuffer, Nd4jLong *tadOnlyShapeInfo);
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static __host__ void execReduceXD(dim3 launchDims, cudaStream_t *stream, int opNum, int rank, void *vx, Nd4jLong *xShapeInfo, void *extraParams, void *vz, Nd4jLong *zShape, int *dimension, int dimensionLength, void *reductionPointer, Nd4jLong *tadShapeInfo, Nd4jLong *tadOffsets);
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#endif
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/**
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* Reduce down to 1 number
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* @param x the input
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* @param xShapeInfo the shape information
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* for the input
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* @param extraParams the extra params
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* @return
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*/
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template<typename OpType>
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static _CUDA_H Z execScalar(void *x,
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Nd4jLong *xShapeInfo,
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void *extraParams);
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template<typename OpType>
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static _CUDA_H void execScalar(void *x,
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Nd4jLong *xShapeInfo,
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void *extraParams,
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void *z,
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Nd4jLong *zShapeInfo);
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static Z execScalar(int opNum,
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void *x,
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Nd4jLong *xShapeInfo,
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void *extraParams);
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static void execScalar(int opNum,
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void *x,
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Nd4jLong *xShapeInfo,
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void *extraParams,
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void *z,
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Nd4jLong *zShapeInfo);
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static void exec(int opNum,
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void *x,
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Nd4jLong *xShapeInfo,
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void *extraParams,
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void *result,
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Nd4jLong *resultShapeInfoBuffer,
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int *dimension,
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int dimensionLength,
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Nd4jLong *tadShapeInfo,
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Nd4jLong *tadOffset);
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/**
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* Execute on the cpu
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* @param x the input data
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* @param xShapeInfo the shape information for x
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* @param extraParams the extra parameters
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* @param result the result buffer
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* @param resultShapeInfoBuffer the shape information
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* @param dimension the dimension to perform
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* the reduce along long
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* @param dimensionLength the length of the dimension buffer
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*/
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template<typename OpType>
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static void _CUDA_H exec(void *x,
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Nd4jLong *xShapeInfo,
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void *extraParams,
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void *result,
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Nd4jLong *resultShapeInfoBuffer,
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int *dimension,
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int dimensionLength,
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Nd4jLong *tadShapeInfo,
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Nd4jLong *tadOffset);
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/**
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* CPU implementation
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* @param x the input data
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* @param xShapeInfo the shape information for
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* the input data
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* @param extraParams the extra parameters for the problem
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* @param result the result buffer
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* @param resultShapeInfo the shape information
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*/
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template<typename OpType>
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static void _CUDA_H exec(void *x,
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Nd4jLong *xShapeInfo,
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void *extraParams,
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void *result,
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Nd4jLong *resultShapeInfo);
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/**
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* Reduce down to 1 number
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* @param x the input
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* @param xShapeInfo the shape information
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* for the input
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* @param extraParams the extra params
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* @return
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*/
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template<typename OpType>
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static Z _CUDA_H execScalar(void *x,
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Nd4jLong xElementWiseStride,
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Nd4jLong length,
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void *extraParams);
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};
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#ifdef __CUDACC__
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/**
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*
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* @param extraParams
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* @param sPartials
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* @param sMemSize
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*/
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template<typename T>
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__device__ void initializeShared(T *extraParams, T **sPartials, int sMemSize);
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#endif
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}
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}
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#endif
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