cavis/libnd4j/include/loops/cpu/pairwise_int.cpp

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/*******************************************************************************
* 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
******************************************************************************/
//
// @author raver119@gmail.com
//
#include <loops/pairwise_int.h>
#include <types/types.h>
#include <helpers/LoopKind.h>
#include <helpers/OmpLaunchHelper.h>
#include <execution/Threads.h>
using namespace simdOps;
namespace functions {
namespace pairwise_transforms {
template <typename X>
void PairWiseIntTransform<X>::exec(
const int opNum,
void *x,
Nd4jLong xEws,
void *y,
Nd4jLong yEws,
void *z,
Nd4jLong zEws,
void *extraParams,
Nd4jLong n,
const uint64_t start,
const uint64_t stop) {
DISPATCH_BY_OPNUM_T(exec, PARAMS(x,
xEws,
y,
yEws,
z,
zEws,
extraParams,
n, start, stop), PAIRWISE_INT_OPS);
};
template <typename X>
template <typename OpType>
void PairWiseIntTransform<X>::exec(void *vx,
Nd4jLong xEws,
void *vy,
Nd4jLong yEws,
void *vz,
Nd4jLong zEws,
void *vextraParams,
const Nd4jLong n,
const uint64_t start,
const uint64_t stop) {
auto x = reinterpret_cast<X *>(vx);
auto y = reinterpret_cast<X *>(vy);
auto z = reinterpret_cast<X *>(vz);
auto extraParams = reinterpret_cast<X *>(vextraParams);
if (xEws == 1 && yEws == 1 && zEws == 1) {
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++)
z[i] = OpType::op(x[i], y[i], extraParams);
}
else {
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++)
z[i*zEws] = OpType::op(x[i*xEws], y[i*yEws], extraParams);
}
}
template <typename X>
void PairWiseIntTransform<X>::exec(
const int opNum,
void *x,
Nd4jLong *xShapeInfo,
void *y,
Nd4jLong *yShapeInfo,
void *z,
Nd4jLong *zShapeInfo,
void *extraParams,
const uint64_t start,
const uint64_t stop) {
DISPATCH_BY_OPNUM_T(exec, PARAMS(x,
xShapeInfo,
y,
yShapeInfo,
z,
zShapeInfo,
extraParams, start, stop),
PAIRWISE_INT_OPS);
};
template <typename X>
template <typename OpType>
void PairWiseIntTransform<X>::exec(void *vx, Nd4jLong* xShapeInfo,
void *vy, Nd4jLong* yShapeInfo,
void *vz, Nd4jLong* zShapeInfo,
void *vextraParams,
const uint64_t start,
const uint64_t stop) {
auto x = reinterpret_cast<X *>(vx);
auto y = reinterpret_cast<X *>(vy);
auto z = reinterpret_cast<X *>(vz);
auto extraParams = reinterpret_cast<X *>(vextraParams);
auto n = shape::length(xShapeInfo);
auto xEws = shape::elementWiseStride(xShapeInfo);
auto yEws = shape::elementWiseStride(yShapeInfo);
auto zEws = shape::elementWiseStride(zShapeInfo);
if (shape::isScalar(yShapeInfo)) {
uint xShapeInfoCast[MAX_RANK];
const bool canCastX = sd::DataTypeUtils::castShapeInfo(xShapeInfo, xShapeInfoCast);
if(shape::haveSameShapeAndStrides(xShapeInfo, zShapeInfo)) {
PRAGMA_OMP_SIMD
for(auto i = start; i < stop; i++) {
auto offset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
z[offset] = OpType::op(x[offset], y[0], extraParams);
};
}
else {
uint zShapeInfoCast[MAX_RANK];
const bool canCastZ = sd::DataTypeUtils::castShapeInfo(zShapeInfo, zShapeInfoCast);
PRAGMA_OMP_SIMD
for(auto i = start; i < stop; i++) {
auto xOffset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
auto zOffset = shape::indexOffset(i, zShapeInfo, zShapeInfoCast, canCastZ);
z[zOffset] = OpType::op(x[xOffset], y[0], extraParams);
};
}
return;
}
const sd::LoopKind::Kind kindOfLoop = sd::LoopKind::deduceKindOfLoopXYZ(xShapeInfo, yShapeInfo, zShapeInfo);
const bool sameShapesXY = shape::shapeEquals(xShapeInfo, yShapeInfo);
if ((kindOfLoop == sd::LoopKind::EWS1 || kindOfLoop == sd::LoopKind::EWSNONZERO) && sameShapesXY) {
exec<OpType>(x, xEws, y, yEws, z, zEws, extraParams, n, start, stop);
}
else if ((kindOfLoop == sd::LoopKind::EWS1 || kindOfLoop == sd::LoopKind::EWSNONZERO) && !sameShapesXY) { //not same shape
exec<OpType>(x, xEws, y, yEws, z, zEws, extraParams, shape::length(yShapeInfo), start, stop);
}
else {
if(shape::haveSameShapeAndStrides(xShapeInfo, yShapeInfo) && shape::haveSameShapeAndStrides(xShapeInfo, zShapeInfo)) {
uint xShapeInfoCast[MAX_RANK];
const bool canCastX = sd::DataTypeUtils::castShapeInfo(xShapeInfo, xShapeInfoCast);
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++) {
auto offset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
z[offset] = OpType::op(x[offset], y[offset], extraParams);
};
}
else if(shape::haveSameShapeAndStrides(xShapeInfo, yShapeInfo)) {
uint xShapeInfoCast[MAX_RANK];
uint zShapeInfoCast[MAX_RANK];
const bool canCastX = sd::DataTypeUtils::castShapeInfo(xShapeInfo, xShapeInfoCast);
const bool canCastZ = sd::DataTypeUtils::castShapeInfo(zShapeInfo, zShapeInfoCast);
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++) {
auto offset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
auto zOffset = shape::indexOffset(i, zShapeInfo, zShapeInfoCast, canCastZ);
z[zOffset] = OpType::op(x[offset], y[offset], extraParams);
};
}
else if(shape::haveSameShapeAndStrides(xShapeInfo, zShapeInfo)) {
uint xShapeInfoCast[MAX_RANK];
uint yShapeInfoCast[MAX_RANK];
const bool canCastX = sd::DataTypeUtils::castShapeInfo(xShapeInfo, xShapeInfoCast);
const bool canCastY = sd::DataTypeUtils::castShapeInfo(yShapeInfo, yShapeInfoCast);
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++) {
auto offset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
auto yOffset = shape::indexOffset(i, yShapeInfo, yShapeInfoCast, canCastY);
z[offset] = OpType::op(x[offset], y[yOffset], extraParams);
};
}
else if(shape::haveSameShapeAndStrides(yShapeInfo, zShapeInfo)) {
uint xShapeInfoCast[MAX_RANK];
uint yShapeInfoCast[MAX_RANK];
const bool canCastX = sd::DataTypeUtils::castShapeInfo(xShapeInfo, xShapeInfoCast);
const bool canCastY = sd::DataTypeUtils::castShapeInfo(yShapeInfo, yShapeInfoCast);
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++) {
auto xOffset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
auto offset = shape::indexOffset(i, yShapeInfo, yShapeInfoCast, canCastY);
z[offset] = OpType::op(x[xOffset], y[offset], extraParams);
};
}
else {
uint xShapeInfoCast[MAX_RANK];
uint yShapeInfoCast[MAX_RANK];
uint zShapeInfoCast[MAX_RANK];
const bool canCastX = sd::DataTypeUtils::castShapeInfo(xShapeInfo, xShapeInfoCast);
const bool canCastY = sd::DataTypeUtils::castShapeInfo(yShapeInfo, yShapeInfoCast);
const bool canCastZ = sd::DataTypeUtils::castShapeInfo(zShapeInfo, zShapeInfoCast);
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++) {
auto xOffset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
auto yOffset = shape::indexOffset(i, yShapeInfo, yShapeInfoCast, canCastY);
auto zOffset = shape::indexOffset(i, zShapeInfo, zShapeInfoCast, canCastZ);
z[zOffset] = OpType::op(x[xOffset], y[yOffset], extraParams);
};
}
}
}
BUILD_SINGLE_TEMPLATE(template class ND4J_EXPORT PairWiseIntTransform, , INTEGER_TYPES);
}
}