219 lines
9.0 KiB
C++
219 lines
9.0 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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//
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// @author raver119@gmail.com
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//
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#include "../scalar_int.h"
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#include <op_boilerplate.h>
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#include <types/types.h>
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#include <LoopKind.h>
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#include <execution/Threads.h>
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#include "../legacy_ops.h"
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using namespace simdOps;
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namespace functions {
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namespace scalar {
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template<typename X>
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template<typename OpType>
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void ScalarIntTransform<X>::transform(void *vx, Nd4jLong *xShapeInfo,
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void *vextraParams,
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void *vz, Nd4jLong *zShapeInfo,
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void *vscalars,
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int *dimension, int dimensionLength,
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Nd4jLong *xTadShapeInfo, Nd4jLong *xTadOffsets,
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Nd4jLong *zTadShapeInfo, Nd4jLong *zTadOffsets,
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const uint64_t start, const uint64_t stop) {
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auto x = reinterpret_cast<X *>(vx);
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auto z = reinterpret_cast<X *>(vz);
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auto scalars = reinterpret_cast<X *>(vscalars);
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auto extraParams = reinterpret_cast<X *>(vextraParams);
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if (zTadShapeInfo == nullptr) {
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zTadShapeInfo = xTadShapeInfo;
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zTadOffsets = xTadOffsets;
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}
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// tad preparation
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const int xTadEws = shape::elementWiseStride(xTadShapeInfo);
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const int zTadEws = shape::elementWiseStride(zTadShapeInfo);
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const int tadLength = shape::tadLength(xShapeInfo, dimension, dimensionLength);
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const int numTads = shape::length(xShapeInfo) / tadLength;
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nd4j::LoopKind::Kind kindOfLoop = nd4j::LoopKind::deduceKindOfLoopXZ(xTadShapeInfo, zTadShapeInfo);
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if (kindOfLoop != nd4j::LoopKind::EWS1 && kindOfLoop != nd4j::LoopKind::EWSNONZERO) {
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printf("ScalarIntTransform<X>::transform: super-bad loop visited. Shouldn't ever happen\n");
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return;
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}
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int num_threads = nd4j::math::nd4j_min<int>(numTads, nd4j::Environment::getInstance()->maxThreads());
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if (kindOfLoop == nd4j::LoopKind::EWS1) {
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for (auto r = start; r < stop; r++) {
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auto oZ = z + zTadOffsets[r];
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auto oX = x + xTadOffsets[r];
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PRAGMA_OMP_SIMD
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for (int f = 0; f < tadLength; f++)
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oZ[f] = OpType::op(oX[f], scalars[r], extraParams);
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};
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}
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else {
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for (auto r = start; r < stop; r++) {
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auto oZ = z + zTadOffsets[r];
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auto oX = x + xTadOffsets[r];
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PRAGMA_OMP_SIMD
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for (int f = 0; f < tadLength; f++)
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oZ[f * zTadEws] = OpType::op(oX[f * xTadEws], scalars[r], extraParams);
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};
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}
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}
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template<typename X>
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void ScalarIntTransform<X>::transform(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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void *scalars,
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int *dimension,
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int dimensionLength,
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Nd4jLong *xTadShapeInfo,
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Nd4jLong *xTadOffsets,
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Nd4jLong *zTadShapeInfo,
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Nd4jLong *zTadOffsets,
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const uint64_t start, const uint64_t stop) {
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DISPATCH_BY_OPNUM_T(transform, PARAMS(x, xShapeInfo, extraParams, z, zShapeInfo, scalars, dimension, dimensionLength, xTadShapeInfo, xTadOffsets, zTadShapeInfo, zTadOffsets, start, stop), SCALAR_INT_OPS);
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}
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template<typename X>
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void ScalarIntTransform<X>::transform(const int opNum,
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void *x,
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Nd4jLong xEws,
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void *z,
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Nd4jLong zEws,
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void *scalar,
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void *extraParams,
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const uint64_t n,
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const uint64_t start, const uint64_t stop) {
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DISPATCH_BY_OPNUM_T(transform, PARAMS(x, xEws, z, zEws, scalar, extraParams, n, start, stop), SCALAR_INT_OPS);
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}
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template<typename X>
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void ScalarIntTransform<X>::transform(const int opNum,
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void *x,
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Nd4jLong *xShapeInfo,
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void *z,
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Nd4jLong *zShapeInfo,
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void *scalar,
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void *extraParams,
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const uint64_t start, const uint64_t stop) {
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DISPATCH_BY_OPNUM_T(transform, PARAMS(x, xShapeInfo, z, zShapeInfo, scalar, extraParams, start, stop), SCALAR_INT_OPS);
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}
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template<typename X>
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template<typename OpType>
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void ScalarIntTransform<X>::transform(void *vx,
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Nd4jLong *xShapeInfo,
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void *vz,
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Nd4jLong *zShapeInfo,
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void *vscalar,
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void *vextraParams,
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const uint64_t start, const uint64_t stop) {
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auto x = reinterpret_cast<X *>(vx);
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auto z = reinterpret_cast<X *>(vz);
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auto scalar = reinterpret_cast<X *>(vscalar)[0];
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auto extraParams = reinterpret_cast<X *>(vextraParams);
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auto xEws = shape::elementWiseStride(xShapeInfo);
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auto zEws = shape::elementWiseStride(zShapeInfo);
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auto len = shape::length(xShapeInfo);
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nd4j::LoopKind::Kind kindOfLoop = nd4j::LoopKind::deduceKindOfLoopXZ(xShapeInfo, zShapeInfo);
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if (kindOfLoop == nd4j::LoopKind::EWS1 || kindOfLoop == nd4j::LoopKind::EWSNONZERO) {
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transform<OpType>(x, xEws, z, zEws, vscalar, extraParams, len, start, stop);
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return;
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}
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uint xShapeInfoCast[MAX_RANK];
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const bool canCastX = nd4j::DataTypeUtils::castShapeInfo<uint>(xShapeInfo, xShapeInfoCast);
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if(shape::haveSameShapeAndStrides(xShapeInfo, zShapeInfo)) {
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PRAGMA_OMP_SIMD
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for (auto i = start; i < stop; i++) {
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auto offset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
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z[offset] = OpType::op(x[offset], scalar, extraParams);
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};
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}
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else {
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uint zShapeInfoCast[MAX_RANK];
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const bool canCastZ = nd4j::DataTypeUtils::castShapeInfo<uint>(zShapeInfo, zShapeInfoCast);
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PRAGMA_OMP_SIMD
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for (auto i = start; i < stop; i++) {
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auto xOffset = shape::indexOffset(i, xShapeInfo, xShapeInfoCast, canCastX);
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auto zOffset = shape::indexOffset(i, zShapeInfo, zShapeInfoCast, canCastZ);
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z[zOffset] = OpType::op(x[xOffset], scalar, extraParams);
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};
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}
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}
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template<typename X>
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template<typename OpType>
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void ScalarIntTransform<X>::transform(void *vx,
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Nd4jLong xEws,
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void *vz,
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Nd4jLong zEws,
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void *vscalar,
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void *vextraParams,
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const uint64_t len,
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const uint64_t start, const uint64_t stop) {
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auto x = reinterpret_cast<X *>(vx);
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auto z = reinterpret_cast<X *>(vz);
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auto scalar = reinterpret_cast<X *>(vscalar)[0];
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auto extraParams = reinterpret_cast<X *>(vextraParams);
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if (scalar < (sizeof(X) * 8)) {
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if (xEws == 1 && zEws == 1) {
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for (auto i = start; i < stop; i++)
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z[i] = OpType::op(x[i], scalar, extraParams);
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} else {
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for (auto i = start; i < stop; i++)
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z[i * zEws] = OpType::op(x[i * xEws], scalar, extraParams);
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}
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}
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}
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BUILD_SINGLE_TEMPLATE(template class ND4J_EXPORT ScalarIntTransform, , INTEGER_TYPES);
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}
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}
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