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/* ******************************************************************************
*
*
* 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.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
* 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 raver119 on 16.10.2017.
//
#include <array/NDArrayFactory.h>
#include <helpers/RandomLauncher.h>
#include <legacy/NativeOpExecutioner.h>
#include <ops/declarable/CustomOperations.h>
#include <ops/declarable/LegacyRandomOp.h>
#include <ops/declarable/OpRegistrator.h>
namespace sd {
namespace ops {
LegacyRandomOp::LegacyRandomOp() : LegacyOp(1) {
// just a no-op
}
LegacyRandomOp::LegacyRandomOp(int opNum) : LegacyOp(1, opNum) {
// just a no-op
}
LegacyOp* LegacyRandomOp::clone() { return new LegacyRandomOp(this->_opNum); }
template <typename T>
Status LegacyRandomOp::validateAndExecute_(Context& block) {
auto input = INPUT_VARIABLE(0);
int opNum = block.opNum() < 0 ? this->_opNum : block.opNum();
switch (opNum) {
case random::UniformDistribution: {
// uniform distribution
T from, to;
if (block.width() > 2) {
auto arg1 = INPUT_VARIABLE(1);
auto arg2 = INPUT_VARIABLE(2);
REQUIRE_TRUE(arg1->isScalar(), 0, "Uniform: Second argument must be scalar");
REQUIRE_TRUE(arg2->isScalar(), 0, "Uniform: Third argument must be scalar");
from = arg1->e<T>(0);
to = arg2->e<T>(0);
} else if (block.getTArguments()->size() == 2) {
from = T_ARG(0);
to = T_ARG(1);
} else {
REQUIRE_TRUE(false, 0, "Uniform requires either TArgs or 3 arguments to be present");
}
auto z = OUTPUT_VARIABLE(0); // NDArrayFactory::create_<T>('c', shape, block.getWorkspace());
RandomLauncher::fillUniform(block.launchContext(), block.randomGenerator(), z, from, to);
// FIXME:
// OVERWRITE_RESULT(z);
} break;
case random::DropOut: {
auto z = OUTPUT_VARIABLE(0);
T prob;
if (block.width() > 1) {
auto arg = INPUT_VARIABLE(1);
REQUIRE_TRUE(arg->isScalar(), 0, "DropOut: Second argument must be scalar");
prob = arg->e<T>(0);
} else if (block.getTArguments()->size() > 0) {
prob = T_ARG(0);
} else {
REQUIRE_TRUE(false, 0, "DropOut requires either TArgs or second argument to be present");
}
if (!block.isInplace()) z->assign(input);
RandomLauncher::applyDropOut(block.launchContext(), block.randomGenerator(), z, prob);
} break;
#if NOT_EXCLUDED(OP_dropout)
case random::DropOutInverted: {
auto z = OUTPUT_VARIABLE(0);
dropout op;
return op.execute(&block);
} break;
#endif
case random::GaussianDistribution: {
// gaussian distribution
T mean, stdev;
if (block.width() > 2) {
auto arg1 = INPUT_VARIABLE(1);
auto arg2 = INPUT_VARIABLE(2);
REQUIRE_TRUE(arg1->isScalar(), 0, "Gaussian: Second argument must be scalar");
REQUIRE_TRUE(arg2->isScalar(), 0, "Gaussian: Third argument must be scalar");
mean = arg1->e<T>(0);
stdev = arg2->e<T>(0);
} else if (block.getTArguments()->size() == 2) {
mean = T_ARG(0);
stdev = T_ARG(1);
} else {
REQUIRE_TRUE(false, 0, "Gaussian requires either TArgs or 3 arguments to be present");
}
REQUIRE_TRUE(input->isVector(), 0, "Gaussian requires pure shape as first argument");
std::vector<LongType> shape(input->lengthOf());
for (int e = 0; e < input->lengthOf(); e++) shape[e] = input->e<LongType>(e);
auto z = OUTPUT_VARIABLE(0);
RandomLauncher::fillGaussian(block.launchContext(), block.randomGenerator(), z, mean, stdev);
} break;
case random::BernoulliDistribution: {
// bernoulli distribution
T prob;
if (block.width() > 1) {
auto arg1 = INPUT_VARIABLE(1);
REQUIRE_TRUE(arg1->isScalar(), 0, "Bernoulli: Second argument must be scalar");
prob = arg1->e<T>(0);
} else if (block.getTArguments()->size() > 0) {
prob = T_ARG(0);
} else {
REQUIRE_TRUE(false, 0, "Bernoulli requires either 1 TArg or 2 arguments to be present");
}
REQUIRE_TRUE(input->isVector(), 0, "Bernoulli requires pure shape as first argument");
std::vector<LongType> shape(input->lengthOf());
for (int e = 0; e < input->lengthOf(); e++) shape[e] = input->e<LongType>(e);
auto z = OUTPUT_VARIABLE(0); // NDArrayFactory::create_<T>('c', shape, block.getWorkspace());
RandomLauncher::fillBernoulli(block.launchContext(), block.randomGenerator(), z, prob);
} break;
case random::BinomialDistributionEx: {
// BinomialEx distribution
T prob;
int trials;
if (block.width() > 2) {
auto arg1 = INPUT_VARIABLE(1);
auto arg2 = INPUT_VARIABLE(2);
REQUIRE_TRUE(arg1->isScalar(), 0, "Binomial: Second argument must be scalar");
REQUIRE_TRUE(arg2->isScalar(), 0, "Binomial: Third argument must be scalar");
trials = arg1->e<int>(0);
prob = arg2->e<T>(0);
} else if (block.getTArguments()->size() == 1 && block.getIArguments()->size() == 1) {
trials = INT_ARG(0);
prob = T_ARG(0);
} else {
REQUIRE_TRUE(false, 0, "Binomial requires either TArgs/IArgs or 3 arguments to be present");
}
REQUIRE_TRUE(input->isVector(), 0, "Binomial requires pure shape as first argument");
std::vector<LongType> shape(input->lengthOf());
for (int e = 0; e < input->lengthOf(); e++) shape[e] = input->e<LongType>(e);
auto z = OUTPUT_VARIABLE(0); // NDArrayFactory::create_<T>('c', shape, block.getWorkspace());
RandomLauncher::fillBinomial(block.launchContext(), block.randomGenerator(), z, trials, prob);
} break;
case random::LogNormalDistribution: {
// lognorm distribution
T mean, stdev;
if (block.width() > 2) {
auto arg1 = INPUT_VARIABLE(1);
auto arg2 = INPUT_VARIABLE(2);
REQUIRE_TRUE(arg1->isScalar(), 0, "LogNormal: Second argument must be scalar");
REQUIRE_TRUE(arg2->isScalar(), 0, "LogNormal: Third argument must be scalar");
mean = arg1->e<T>(0);
stdev = arg2->e<T>(0);
} else if (block.getTArguments()->size() == 2) {
mean = T_ARG(0);
stdev = T_ARG(1);
} else {
REQUIRE_TRUE(false, 0, "LogNormal requires either TArgs or 3 arguments to be present");
}
REQUIRE_TRUE(input->isVector(), 0, "LogNormal requires pure shape as first argument");
std::vector<LongType> shape(input->lengthOf());
for (int e = 0; e < input->lengthOf(); e++) shape[e] = input->e<LongType>(e);
auto z = OUTPUT_VARIABLE(0); // NDArrayFactory::create_<T>('c', shape, block.getWorkspace());
RandomLauncher::fillLogNormal(block.launchContext(), block.randomGenerator(), z, mean, stdev);
// FIXME: !!
// OVERWRITE_RESULT(z);
} break;
case random::TruncatedNormalDistribution: {
// truncated norm distribution
T mean, stdev;
if (block.width() > 2) {
auto arg1 = INPUT_VARIABLE(1);
auto arg2 = INPUT_VARIABLE(2);
REQUIRE_TRUE(arg1->isScalar(), 0, "TruncatedNormal: Second argument must be scalar");
REQUIRE_TRUE(arg2->isScalar(), 0, "TruncatedNormal: Third argument must be scalar");
mean = arg1->e<T>(0);
stdev = arg2->e<T>(0);
} else if (block.getTArguments()->size() == 2) {
mean = T_ARG(0);
stdev = T_ARG(1);
} else {
REQUIRE_TRUE(false, 0, "TruncatedNormal requires either TArgs or 3 arguments to be present");
}
REQUIRE_TRUE(input->isVector(), 0, "TruncatedNormal requires pure shape as first argument");
std::vector<LongType> shape(input->lengthOf());
for (int e = 0; e < input->lengthOf(); e++) shape[e] = input->e<LongType>(e);
auto z = OUTPUT_VARIABLE(0);
RandomLauncher::fillTruncatedNormal(block.launchContext(), block.randomGenerator(), z, mean, stdev);
} break;
case random::AlphaDropOut: {
auto z = OUTPUT_VARIABLE(0);
T prob, a, b, pa;
if (block.width() > 4) {
auto arg1 = INPUT_VARIABLE(1);
auto arg2 = INPUT_VARIABLE(2);
auto arg3 = INPUT_VARIABLE(3);
auto arg4 = INPUT_VARIABLE(4);
REQUIRE_TRUE(arg1->isScalar(), 0, "AlphaDropOut: Second argument must be scalar");
REQUIRE_TRUE(arg2->isScalar(), 0, "AlphaDropOut: Third argument must be scalar");
REQUIRE_TRUE(arg3->isScalar(), 0, "AlphaDropOut: Fourth argument must be scalar");
REQUIRE_TRUE(arg4->isScalar(), 0, "AlphaDropOut: Fifth argument must be scalar");
prob = arg1->e<T>(0);
a = arg2->e<T>(0);
b = arg3->e<T>(0);
pa = arg4->e<T>(0);
} else if (block.getTArguments()->size() == 4) {
prob = T_ARG(0);
a = T_ARG(1);
b = T_ARG(2);
pa = T_ARG(3);
} else {
REQUIRE_TRUE(false, 0, "AlphaDropOut requires either TArgs or 5 arguments to be present");
}
if (!block.isInplace()) z->assign(input);
RandomLauncher::applyAlphaDropOut(block.launchContext(), block.randomGenerator(), z, prob, a, b, pa);
} break;
case random::Linspace: {
auto z = OUTPUT_VARIABLE(0);
auto start = INPUT_VARIABLE(0);
auto finish = INPUT_VARIABLE(1);
auto numOfElements = INPUT_VARIABLE(2);
z->linspace(start->e<double>(0),
(finish->e<double>(0) - start->e<double>(0)) / (numOfElements->e<LongType>(0) - 1.));
} break;
default: {
sd_printf("Unknown random op requested: [%i]\n", opNum);
return Status::KERNEL_FAILURE;
}
}
traceExecIfNeeded(block);
return Status::OK;
}
Status LegacyRandomOp::validateAndExecute(Context& block) {
auto z = OUTPUT_VARIABLE(0);
BUILD_SINGLE_SELECTOR(z->dataType(), return validateAndExecute_, (block), SD_FLOAT_TYPES);
return sd::Status::KERNEL_FAILURE;
}
/**
* For transform operations, output shape always equals to input shape. With just a few exclusions, like im2col and
* col2im. But these ops already have CustomOp implementations.
*
*/
ShapeList* LegacyRandomOp::calculateOutputShape(ShapeList* inputShape, Context& block) {
auto inShape = inputShape->at(0);
auto xType = ArrayOptions::dataType(inShape);
if (DataTypeUtils::isR(xType)) {
return SHAPELIST(CONSTANT(inShape));
} else if (DataTypeUtils::isZ(xType)) {
auto zShapeArr = INPUT_VARIABLE(0);
auto zShapeVector = zShapeArr->asVectorT<LongType>();
auto dtype = block.dataType();
return SHAPELIST(ConstantShapeHelper::getInstance().createShapeInfo(dtype, 'c', zShapeVector));
} else
THROW_EXCEPTION("LegacyRandomOp: Unknown input data type!");
return nullptr;
}
Status LegacyRandomOp::execute(Context* block) { return DeclarableOp::execute(block); }
ResultSet LegacyRandomOp::execute(RandomGenerator& rng, std::initializer_list<NDArray*> inputs,
std::initializer_list<double> tArgs, std::initializer_list<int> iArgs,
bool isInplace) {
std::vector<NDArray*> ins(inputs);
std::vector<double> tas(tArgs);
std::vector<int> ias(iArgs);
return this->execute(rng, ins, tas, ias, isInplace);
}
ResultSet LegacyRandomOp::execute(RandomGenerator& rng, std::vector<NDArray*>& inputs, std::vector<double>& tArgs,
std::vector<int>& iArgs, bool isInplace) {
VariableSpace variableSpace;
ResultSet arrayList;
// ResultSet arrayList;
if (isInplace) arrayList.setNonRemovable();
int cnt = -1;
std::vector<int> in;
for (auto v : inputs) {
if (v == nullptr) continue;
auto var = new Variable(v);
var->markRemovable(false);
in.push_back(cnt);
variableSpace.putVariable(cnt--, var);
}
Context block(1, &variableSpace, false);
// FIX ME: implement setRng method
block.setRng(rng);
block.fillInputs(in);
block.markInplace(isInplace);
for (size_t e = 0; e < tArgs.size(); e++) block.getTArguments()->emplace_back(tArgs.at(e));
for (size_t e = 0; e < iArgs.size(); e++) block.getIArguments()->emplace_back(iArgs.at(e));
Status status = this->execute(&block);
arrayList.setStatus(status);
if (status != Status::OK) return arrayList;
for (int e = 0; e < DataTypeUtils::max<int>(); e++) {
std::pair<int, int> pair(1, e);
if (variableSpace.hasVariable(pair)) {
auto var = variableSpace.getVariable(pair);
auto arr = var->getNDArray();
if (!arr->isAttached()) {
var->markRemovable(false);
arrayList.push_back(arr);
} else {
arrayList.push_back(arr->detach());
}
} else
break;
}
return arrayList;
}
Status LegacyRandomOp::validateDataTypes(Context& block) {
if (block.isFastPath()) {
// in this case we'll roll through pre-defined outputs
auto fpo = block.fastpath_out();
for (auto v : fpo) {
if (v != nullptr) {
if (!v->isR()) return Status::BAD_ARGUMENTS;
}
}
} else {
std::pair<int, int> pair(block.nodeId(), 0);
if (block.getVariableSpace()->hasVariable(pair)) {
auto var = block.variable(pair);
if (!var->hasNDArray()) return Status::BAD_ARGUMENTS;
auto arr = var->getNDArray();
if (!arr->isR()) return Status::BAD_ARGUMENTS;
}
}
return Status::OK;
}
BUILD_SINGLE_TEMPLATE( sd::Status LegacyRandomOp::validateAndExecute_, (Context&), SD_FLOAT_TYPES);
} // namespace ops
} // namespace sd