cavis/libnd4j/include/helpers/cuda_off/cublasHelper.cu

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2019-06-06 14:21:15 +02:00
/*******************************************************************************
* 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
******************************************************************************/
//
// @author raver119@gmail.com
//
#include <cublas_v2.h>
#include "../cublasHelper.h"
#include <exceptions/cuda_exception.h>
#include <helpers/logger.h>
namespace nd4j {
void* cublas::handle() {
auto _handle = new cublasHandle_t();
auto status = cublasCreate_v2(_handle); // initialize CUBLAS context
if (status != CUBLAS_STATUS_SUCCESS)
throw cuda_exception::build("cuBLAS handle creation failed !", status);
return reinterpret_cast<void *>(_handle);
}
void cublas::destroyHandle(void* handle) {
auto ch = reinterpret_cast<cublasHandle_t *>(handle);
auto status = cublasDestroy_v2(*ch);
if (status != CUBLAS_STATUS_SUCCESS)
throw cuda_exception::build("cuBLAS handle destruction failed !", status);
delete ch;
}
}