45 lines
1.9 KiB
Plaintext
45 lines
1.9 KiB
Plaintext
/*******************************************************************************
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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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// @author Yurii Shyrma, created on 15.11.2018
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//
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#include <loops/special_kernels.h>
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namespace nd4j {
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////////////////////////////////////////////////////////////////////////
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template <typename T>
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__global__ void execFillIsMax(void *vdZ, Nd4jLong *xShapeInfo, Nd4jLong length, long idx) {
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auto dz = reinterpret_cast<T*>(vdZ);
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int tid = blockIdx.x * blockDim.x + threadIdx.x;
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for (Nd4jLong i = tid; i < length; i += blockDim.x * gridDim.x)
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dz[shape::getIndexOffset(i, xShapeInfo, length)] = (i == idx ? (T) 1 : (T) 0);
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}
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////////////////////////////////////////////////////////////////////////
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template <typename T>
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__host__ void fillIsMaxGeneric(dim3 &launchDims, cudaStream_t *stream, void *dx, Nd4jLong *xShapeInfo, Nd4jLong length, long idx) {
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execFillIsMax<T><<<launchDims.x, launchDims.y, launchDims.z, *stream>>>(dx, xShapeInfo, length, idx);
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nd4j::DebugHelper::checkErrorCode(stream, "fillIsMax(...) failed");
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}
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BUILD_SINGLE_TEMPLATE(template void ND4J_EXPORT fillIsMaxGeneric, (dim3& launchDims, cudaStream_t *stream, void* dz, Nd4jLong *zShapeInfo, Nd4jLong length, long idx), LIBND4J_TYPES);
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} |