45 lines
1.8 KiB
Plaintext
45 lines
1.8 KiB
Plaintext
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/*******************************************************************************
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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 execConvertToHalf(void *dx, Nd4jLong n, half *dz) {
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auto x = reinterpret_cast<T *>(dx);
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int tid = threadIdx.x + blockIdx.x * blockDim.x;
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for (Nd4jLong i = tid; i < n; i += blockDim.x * gridDim.x)
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dz[i] = __float2half(static_cast<T>(x[i]));
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}
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////////////////////////////////////////////////////////////////////////
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template<typename T>
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__host__ void convertToHalfGeneric(dim3 &launchDims, cudaStream_t *stream, void *dx, Nd4jLong n, half *dz) {
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execConvertToHalf<T><<<launchDims.x, launchDims.y, launchDims.z, *stream>>>(dx, n, dz);
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nd4j::DebugHelper::checkErrorCode(stream, "convertToHalfs(...) failed");
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}
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BUILD_SINGLE_TEMPLATE(template void ND4J_EXPORT convertToHalfGeneric, (dim3 & launchDims, cudaStream_t * stream, void * dx, Nd4jLong n, half * dz), LIBND4J_TYPES);
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}
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