/*******************************************************************************
* 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 "../scalar_int.h"
#include <op_boilerplate.h>
#include <types/types.h>
#include <LoopKind.h>
#include <execution/Threads.h>
#include "../legacy_ops.h"
using namespace simdOps;
namespace functions {
namespace scalar {
template<typename X>
template<typename OpType>
void ScalarIntTransform<X>::transform(void *vx, Nd4jLong *xShapeInfo,
void *vextraParams,
void *vz, Nd4jLong *zShapeInfo,
void *vscalars,
int *dimension, int dimensionLength,
Nd4jLong *xTadShapeInfo, Nd4jLong *xTadOffsets,
Nd4jLong *zTadShapeInfo, Nd4jLong *zTadOffsets,
const uint64_t start, const uint64_t stop) {
auto x = reinterpret_cast<X *>(vx);
auto z = reinterpret_cast<X *>(vz);
auto scalars = reinterpret_cast<X *>(vscalars);
auto extraParams = reinterpret_cast<X *>(vextraParams);
if (zTadShapeInfo == nullptr) {
zTadShapeInfo = xTadShapeInfo;
zTadOffsets = xTadOffsets;
}
// tad preparation
const int xTadEws = shape::elementWiseStride(xTadShapeInfo);
const int zTadEws = shape::elementWiseStride(zTadShapeInfo);
const int tadLength = shape::tadLength(xShapeInfo, dimension, dimensionLength);
const int numTads = shape::length(xShapeInfo) / tadLength;
nd4j::LoopKind::Kind kindOfLoop = nd4j::LoopKind::deduceKindOfLoopXZ(xTadShapeInfo, zTadShapeInfo);
if (kindOfLoop != nd4j::LoopKind::EWS1 && kindOfLoop != nd4j::LoopKind::EWSNONZERO) {
printf("ScalarIntTransform<X>::transform: super-bad loop visited. Shouldn't ever happen\n");
return;
}
int num_threads = nd4j::math::nd4j_min<int>(numTads, nd4j::Environment::getInstance()->maxThreads());
if (kindOfLoop == nd4j::LoopKind::EWS1) {
for (auto r = start; r < stop; r++) {
auto oZ = z + zTadOffsets[r];
auto oX = x + xTadOffsets[r];
PRAGMA_OMP_SIMD
for (unsigned int f = 0; f < tadLength; f++)
oZ[f] = OpType::op(oX[f], scalars[r], extraParams);
};
}
else {
for (auto r = start; r < stop; r++) {
auto oZ = z + zTadOffsets[r];
auto oX = x + xTadOffsets[r];
PRAGMA_OMP_SIMD
for (unsigned int f = 0; f < tadLength; f++)
oZ[f * zTadEws] = OpType::op(oX[f * xTadEws], scalars[r], extraParams);
};
}
}
template<typename X>
void ScalarIntTransform<X>::transform(int opNum,
void *x,
Nd4jLong *xShapeInfo,
void *extraParams,
void *z,
Nd4jLong *zShapeInfo,
void *scalars,
int *dimension,
int dimensionLength,
Nd4jLong *xTadShapeInfo,
Nd4jLong *xTadOffsets,
Nd4jLong *zTadShapeInfo,
Nd4jLong *zTadOffsets,
const uint64_t start, const uint64_t stop) {
DISPATCH_BY_OPNUM_T(transform, PARAMS(x, xShapeInfo, extraParams, z, zShapeInfo, scalars, dimension, dimensionLength, xTadShapeInfo, xTadOffsets, zTadShapeInfo, zTadOffsets, start, stop), SCALAR_INT_OPS);
}
template<typename X>
void ScalarIntTransform<X>::transform(const int opNum,
void *x,
Nd4jLong xEws,
void *z,
Nd4jLong zEws,
void *scalar,
void *extraParams,
const uint64_t n,
const uint64_t start, const uint64_t stop) {
DISPATCH_BY_OPNUM_T(transform, PARAMS(x, xEws, z, zEws, scalar, extraParams, n, start, stop), SCALAR_INT_OPS);
}
template<typename X>
void ScalarIntTransform<X>::transform(const int opNum,
void *x,
Nd4jLong *xShapeInfo,
void *z,
Nd4jLong *zShapeInfo,
void *scalar,
void *extraParams,
const uint64_t start, const uint64_t stop) {
DISPATCH_BY_OPNUM_T(transform, PARAMS(x, xShapeInfo, z, zShapeInfo, scalar, extraParams, start, stop), SCALAR_INT_OPS);
}
template<typename X>
template<typename OpType>
void ScalarIntTransform<X>::transform(void *vx,
Nd4jLong *xShapeInfo,
void *vz,
Nd4jLong *zShapeInfo,
void *vscalar,
void *vextraParams,
const uint64_t start, const uint64_t stop) {
auto x = reinterpret_cast<X *>(vx);
auto z = reinterpret_cast<X *>(vz);
auto scalar = reinterpret_cast<X *>(vscalar)[0];
auto extraParams = reinterpret_cast<X *>(vextraParams);
auto xEws = shape::elementWiseStride(xShapeInfo);
auto zEws = shape::elementWiseStride(zShapeInfo);
auto len = shape::length(xShapeInfo);
nd4j::LoopKind::Kind kindOfLoop = nd4j::LoopKind::deduceKindOfLoopXZ(xShapeInfo, zShapeInfo);
if (kindOfLoop == nd4j::LoopKind::EWS1 || kindOfLoop == nd4j::LoopKind::EWSNONZERO) {
transform<OpType>(x, xEws, z, zEws, vscalar, extraParams, len, start, stop);
return;
}
uint xShapeInfoCast[MAX_RANK];
const bool canCastX = nd4j::DataTypeUtils::castShapeInfo<uint>(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], scalar, extraParams);
};
}
else {
uint zShapeInfoCast[MAX_RANK];
const bool canCastZ = nd4j::DataTypeUtils::castShapeInfo<uint>(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], scalar, extraParams);
};
}
}
template<typename X>
template<typename OpType>
void ScalarIntTransform<X>::transform(void *vx,
Nd4jLong xEws,
void *vz,
Nd4jLong zEws,
void *vscalar,
void *vextraParams,
const uint64_t len,
const uint64_t start, const uint64_t stop) {
auto x = reinterpret_cast<X *>(vx);
auto z = reinterpret_cast<X *>(vz);
auto scalar = reinterpret_cast<X *>(vscalar)[0];
auto extraParams = reinterpret_cast<X *>(vextraParams);
if (xEws == 1 && zEws == 1) {
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++)
z[i] = OpType::op(x[i], scalar, extraParams);
}
else {
PRAGMA_OMP_SIMD
for (auto i = start; i < stop; i++)
z[i * zEws] = OpType::op(x[i * xEws], scalar, extraParams);
}
}
BUILD_SINGLE_TEMPLATE(template class ND4J_EXPORT ScalarIntTransform, , INTEGER_TYPES);
}
}