cavis/libnd4j/blas/cuda/NDArrayLambda.hpp

323 lines
15 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
******************************************************************************/
#ifndef CUDA_LAMBDA_HELPER
#define CUDA_LAMBDA_HELPER
#include <pointercast.h>
#include <op_boilerplate.h>
#include <helpers/shape.h>
#include <cuda.h>
#include <cuda_runtime.h>
static Nd4jLong __device__ __noinline__ __getIndexOffset(Nd4jLong index, Nd4jLong *shapeInfo) {
return shape::getIndexOffset(index, shapeInfo);
}
static Nd4jLong __device__ __noinline__ __length(Nd4jLong *shapeInfo) {
return shape::length(shapeInfo);
}
template <typename T, typename Lambda> static _CUDA_G void lambdaKernel(void* vx, Nd4jLong *xShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda);
template <typename T, typename Lambda> static _CUDA_G void lambdaIndexedKernel(void* vx, Nd4jLong *xShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda);
template <typename T, typename Lambda> static _CUDA_G void lambdaIndexedPairwiseKernel(void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda);
template <typename T, typename Lambda> static _CUDA_G void lambdaPairwiseKernel(void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda);
template <typename T, typename Lambda> static _CUDA_G void lambdaTriplewiseKernel(void* vw, Nd4jLong *wShapeInfo, void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda);
template <typename T>
class LambdaHelper {
public:
template <typename Lambda>
FORCEINLINE static void lambdaLauncher(cudaStream_t *stream, void* vx, Nd4jLong *xShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
lambdaKernel<T, Lambda><<<256, 512, 1024, *stream>>>(vx, xShapeInfo, vz, zShapeInfo, lambda);
auto err = cudaStreamSynchronize(*stream);
if (err != 0)
throw std::runtime_error("NDArray::applyLambda execution failed");
}
template <typename Lambda>
FORCEINLINE static void lambdaIndexedLauncher(cudaStream_t *stream, void* vx, Nd4jLong *xShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
lambdaIndexedKernel<T, Lambda><<<256, 512, 1024, *stream>>>(vx, xShapeInfo, vz, zShapeInfo, lambda);
auto err = cudaStreamSynchronize(*stream);
if (err != 0)
throw std::runtime_error("NDArray::applyIndexedLambda execution failed");
}
template <typename Lambda>
FORCEINLINE static void lambdaPairwiseLauncher(cudaStream_t *stream, void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
lambdaPairwiseKernel<T, Lambda><<<256, 512, 1024, *stream>>>(vx, xShapeInfo, vy, yShapeInfo, vz, zShapeInfo, lambda);
auto err = cudaStreamSynchronize(*stream);
if (err != 0)
throw std::runtime_error("NDArray::applyPairwiseLambda execution failed");
}
template <typename Lambda>
FORCEINLINE static void lambdaIndexedPairwiseLauncher(cudaStream_t *stream, void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
lambdaIndexedPairwiseKernel<T, Lambda><<<256, 512, 1024, *stream>>>(vx, xShapeInfo, vy, yShapeInfo, vz, zShapeInfo, lambda);
auto err = cudaStreamSynchronize(*stream);
if (err != 0)
throw std::runtime_error("NDArray::applyIndexedPairwiseLambda execution failed");
}
template <typename Lambda>
FORCEINLINE static void lambdaTriplewiseLauncher(cudaStream_t *stream, void* vw, Nd4jLong *wShapeInfo, void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
lambdaTriplewiseKernel<T, Lambda><<<256, 512, 1024, *stream>>>(vw, wShapeInfo, vx, xShapeInfo, vy, yShapeInfo, vz, zShapeInfo, lambda);
auto err = cudaStreamSynchronize(*stream);
if (err != 0)
throw std::runtime_error("NDArray::applyTriplewiseLambda execution failed");
}
};
////////////////////////////////////////////////////////////////////////
template <typename T, typename Lambda>
static _CUDA_G void lambdaKernel(void* vx, Nd4jLong *xShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
auto x = reinterpret_cast<T*>(vx);
auto z = reinterpret_cast<T*>(vz);
auto xEws = shape::elementWiseStride(xShapeInfo);
auto zEws = shape::elementWiseStride(zShapeInfo);
auto xOrder = shape::order(xShapeInfo);
auto zOrder = shape::order(zShapeInfo);
auto zLength = __length(zShapeInfo);
auto tid = threadIdx.x + blockIdx.x * blockDim.x;
if (xEws >= 1 && zEws >= 1 && xOrder == zOrder) {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x)
z[e * zEws] = lambda(x[e * xEws]);
} else {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x) {
auto xOffset = __getIndexOffset(e, xShapeInfo);
auto zOffset = __getIndexOffset(e, zShapeInfo);
z[zOffset] = lambda(x[xOffset]);
}
}
}
////////////////////////////////////////////////////////////////////////
template <typename T, typename Lambda>
static _CUDA_G void lambdaIndexedKernel(void* vx, Nd4jLong *xShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
auto x = reinterpret_cast<T*>(vx);
auto z = reinterpret_cast<T*>(vz);
auto xEws = shape::elementWiseStride(xShapeInfo);
auto zEws = shape::elementWiseStride(zShapeInfo);
auto xOrder = shape::order(xShapeInfo);
auto zOrder = shape::order(zShapeInfo);
auto zLength = __length(zShapeInfo);
auto tid = threadIdx.x + blockIdx.x * blockDim.x;
if (xEws >= 1 && zEws >= 1 && xOrder == zOrder) {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x)
z[e * zEws] = lambda(e, x[e * xEws]);
} else {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x) {
auto xOffset = __getIndexOffset(e, xShapeInfo);
auto zOffset = __getIndexOffset(e, zShapeInfo);
z[zOffset] = lambda(e, x[xOffset]);
}
}
}
////////////////////////////////////////////////////////////////////////
template <typename T, typename Lambda>
static _CUDA_G void lambdaIndexedPairwiseKernel(void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
auto x = reinterpret_cast<T*>(vx);
auto y = reinterpret_cast<T*>(vy);
auto z = reinterpret_cast<T*>(vz);
auto xEws = shape::elementWiseStride(xShapeInfo);
auto yEws = shape::elementWiseStride(yShapeInfo);
auto zEws = shape::elementWiseStride(zShapeInfo);
auto xOrder = shape::order(xShapeInfo);
auto yOrder = shape::order(yShapeInfo);
auto zOrder = shape::order(zShapeInfo);
auto zLength = __length(zShapeInfo);
auto tid = threadIdx.x + blockIdx.x * blockDim.x;
if (xEws >= 1 && yEws >= 1 && zEws >= 1 && xOrder == zOrder && yOrder == xOrder) {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x)
z[e * zEws] = lambda(e, x[e * xEws], y[e * yEws]);
} else {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x) {
auto xOffset = __getIndexOffset(e, xShapeInfo);
auto yOffset = __getIndexOffset(e, yShapeInfo);
auto zOffset = __getIndexOffset(e, zShapeInfo);
z[zOffset] = lambda(e, x[xOffset], y[yOffset]);
}
}
}
////////////////////////////////////////////////////////////////////////
template <typename T, typename Lambda>
static _CUDA_G void lambdaPairwiseKernel(void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
auto x = reinterpret_cast<T*>(vx);
auto y = reinterpret_cast<T*>(vy);
auto z = reinterpret_cast<T*>(vz);
auto xEws = shape::elementWiseStride(xShapeInfo);
auto yEws = shape::elementWiseStride(yShapeInfo);
auto zEws = shape::elementWiseStride(zShapeInfo);
auto xOrder = shape::order(xShapeInfo);
auto yOrder = shape::order(yShapeInfo);
auto zOrder = shape::order(zShapeInfo);
auto zLength = __length(zShapeInfo);
auto tid = threadIdx.x + blockIdx.x * blockDim.x;
if (xEws >= 1 && yEws >= 1 && zEws >= 1 && xOrder == zOrder && yOrder == xOrder) {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x)
z[e * zEws] = lambda(x[e * xEws], y[e * yEws]);
} else {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x) {
auto xOffset = __getIndexOffset(e, xShapeInfo);
auto yOffset = __getIndexOffset(e, yShapeInfo);
auto zOffset = __getIndexOffset(e, zShapeInfo);
z[zOffset] = lambda(x[xOffset], y[yOffset]);
}
}
}
////////////////////////////////////////////////////////////////////////
template <typename T, typename Lambda>
static _CUDA_G void lambdaTriplewiseKernel(void* vw, Nd4jLong *wShapeInfo, void* vx, Nd4jLong *xShapeInfo, void* vy, Nd4jLong *yShapeInfo, void *vz, Nd4jLong *zShapeInfo, Lambda lambda) {
auto w = reinterpret_cast<T*>(vw);
auto x = reinterpret_cast<T*>(vx);
auto y = reinterpret_cast<T*>(vy);
auto z = reinterpret_cast<T*>(vz);
auto wEws = shape::elementWiseStride(wShapeInfo);
auto xEws = shape::elementWiseStride(xShapeInfo);
auto yEws = shape::elementWiseStride(yShapeInfo);
auto zEws = shape::elementWiseStride(zShapeInfo);
auto wOrder = shape::order(wShapeInfo);
auto xOrder = shape::order(xShapeInfo);
auto yOrder = shape::order(yShapeInfo);
auto zOrder = shape::order(zShapeInfo);
auto zLength = __length(zShapeInfo);
auto tid = threadIdx.x + blockIdx.x * blockDim.x;
if (wEws > 1 && xEws >= 1 && yEws >= 1 && zEws >= 1 && xOrder == zOrder && yOrder == xOrder && wOrder == xOrder) {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x)
z[e * zEws] = lambda(w[e * wEws], x[e * xEws], y[e * yEws]);
} else {
for (uint e = tid; e < zLength; e += blockDim.x * gridDim.x) {
auto wOffset = __getIndexOffset(e, wShapeInfo);
auto xOffset = __getIndexOffset(e, xShapeInfo);
auto yOffset = __getIndexOffset(e, yShapeInfo);
auto zOffset = __getIndexOffset(e, zShapeInfo);
z[zOffset] = lambda(w[wOffset], x[xOffset], y[yOffset]);
}
}
}
#endif
//////////////////////////////////////////////////////////////////////////
template<typename Lambda>
void NDArray::applyLambda(Lambda func, NDArray& target) {
auto dtype = this->dataType();
if (dtype != target.dataType())
throw std::runtime_error("NDArray::applyLambda X/Z data types must be the same");
//throw datatype_exception::build("NDArray::applyLambda X/Z data types must be the same", dtype, target.dataType());
prepareSpecialUse({&target}, {this});
BUILD_SINGLE_SELECTOR(dtype, LambdaHelper ,::lambdaLauncher(this->_context->getCudaStream(), this->specialBuffer(), this->specialShapeInfo(), target.specialBuffer(), target.specialShapeInfo(), func), LIBND4J_TYPES);
registerSpecialUse({&target}, {this});
}
//////////////////////////////////////////////////////////////////////////
template<typename Lambda>
void NDArray::applyPairwiseLambda(const NDArray& other, Lambda func, NDArray& target) {
auto dtype = this->dataType();
if (dtype != target.dataType() || dtype != other.dataType())
throw std::runtime_error("NDArray::applyPairwiseLambda X/Y/Z data types must be the same");
//throw datatype_exception::build("NDArray::applyLambda X/Z data types must be the same", dtype, target.dataType());
prepareSpecialUse({&target}, {this, &other});
BUILD_SINGLE_SELECTOR(dtype, LambdaHelper ,::lambdaPairwiseLauncher(this->_context->getCudaStream(), this->specialBuffer(), this->specialShapeInfo(), other.getSpecialBuffer(), other.getSpecialShapeInfo(), target.specialBuffer(), target.specialShapeInfo(), func), LIBND4J_TYPES);
registerSpecialUse({&target}, {this, &other});
}
//////////////////////////////////////////////////////////////////////////
template <typename Lambda>
void NDArray::applyIndexedLambda(Lambda func, NDArray& target) {
auto dtype = this->dataType();
if (dtype != target.dataType())
throw std::runtime_error("NDArray::applyIndexedLambda X/Z data types must be the same");
prepareSpecialUse({&target}, {this});
BUILD_SINGLE_SELECTOR(dtype, LambdaHelper ,::lambdaIndexedLauncher(this->_context->getCudaStream(), this->specialBuffer(), this->specialShapeInfo(), target.specialBuffer(), target.specialShapeInfo(), func), LIBND4J_TYPES);
registerSpecialUse({&target}, {this});
}
//////////////////////////////////////////////////////////////////////////
template <typename Lambda>
void NDArray::applyIndexedPairwiseLambda(NDArray& other, Lambda func, NDArray& target) {
auto dtype = this->dataType();
if (dtype != target.dataType() || dtype != other.dataType())
throw std::runtime_error("NDArray::applyIndexedPairwiseLambda X/Y/Z data types must be the same");
prepareSpecialUse({&target}, {this, &other});
BUILD_SINGLE_SELECTOR(dtype, LambdaHelper ,::lambdaIndexedPairwiseLauncher(this->_context->getCudaStream(), this->specialBuffer(), this->specialShapeInfo(), other.getSpecialBuffer(), other.getSpecialShapeInfo(), target.specialBuffer(), target.specialShapeInfo(), func), LIBND4J_TYPES);
registerSpecialUse({&target}, {this, &other});
}
//////////////////////////////////////////////////////////////////////////
template <typename Lambda>
void NDArray::applyTriplewiseLambda(NDArray& second, NDArray& third, Lambda func, NDArray& target) {
auto dtype = this->dataType();
if (dtype != target.dataType() || dtype != second.dataType() || dtype != third.dataType())
throw std::runtime_error("NDArray::applyTriplewiseLambda X/Y/Z data types must be the same");
prepareSpecialUse({&target}, {this, &second, &third});
BUILD_SINGLE_SELECTOR(dtype, LambdaHelper ,::lambdaTriplewiseLauncher(this->_context->getCudaStream(), this->specialBuffer(), this->specialShapeInfo(), second.specialBuffer(), second.specialShapeInfo(), third.specialBuffer(), third.specialShapeInfo(), target.specialBuffer(), target.specialShapeInfo(), func), LIBND4J_TYPES);
registerSpecialUse({&target}, {this, &second, &third});
}