cavis/libnd4j/include/loops/cpu/pairwise2.hpp

107 lines
4.0 KiB
C++

/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// Created by remote on 2018-09-20.
//
#include <ops/ops.h>
#include <loops/pairwise_transform.h>
#include <types/types.h>
#include <templatemath.h>
#include <helpers/shape.h>
#include <op_boilerplate.h>
#include <OmpLaunchHelper.h>
using namespace simdOps;
namespace functions {
namespace pairwise_transforms {
template <typename X, typename Y, typename Z>
void PairWiseTransform<X, Y, Z>::exec(
const int opNum,
void *x,
Nd4jLong xEws,
void *y,
Nd4jLong yEws,
void *z,
Nd4jLong zEws,
void *extraParams,
Nd4jLong n) {
DISPATCH_BY_OPNUM_TTT(exec, PARAMS(x,
xEws,
y,
yEws,
z,
zEws,
extraParams,
n), PAIRWISE_TRANSFORM_OPS);
};
template <typename X, typename Y, typename Z>
template <typename OpType>
void PairWiseTransform<X, Y, Z>::exec(void *vx, Nd4jLong xEws,
void *vy, Nd4jLong yEws,
void *vz, Nd4jLong zEws,
void *vextraParams,
const Nd4jLong n) {
auto x = reinterpret_cast<X *>(vx);
auto y = reinterpret_cast<Y *>(vy);
auto z = reinterpret_cast<Z *>(vz);
auto extraParams = reinterpret_cast<Z *>(vextraParams);
nd4j::OmpLaunchHelper info(n);
if (xEws == 1 && yEws == 1 && zEws == 1) {
PRAGMA_OMP_PARALLEL_THREADS(info._numThreads)
{
auto threadNum = omp_get_thread_num();
Nd4jLong threadOffset = info.getThreadOffset(threadNum);
auto xi = x + threadOffset;
auto yi = y + threadOffset;
auto zi = z + threadOffset;
auto ulen = static_cast<unsigned int>(info.getItersPerThread(threadNum));
PRAGMA_OMP_SIMD
for (Nd4jLong i = 0; i < ulen; i++)
zi[i] = OpType::op(xi[i], yi[i], extraParams);
}
}
else {
PRAGMA_OMP_PARALLEL_THREADS(info._numThreads)
{
auto threadNum = omp_get_thread_num();
Nd4jLong threadOffset = info.getThreadOffset(threadNum);
auto xi = x + xEws*threadOffset;
auto yi = y + yEws*threadOffset;
auto zi = z + zEws*threadOffset;
auto ulen = static_cast<unsigned int>(info.getItersPerThread(threadNum));
PRAGMA_OMP_SIMD
for (Nd4jLong i = 0; i < ulen; i++)
zi[i*zEws] = OpType::op(xi[i*xEws], yi[i*yEws], extraParams);
}
}
}
}
}