GPURNGHandle.cu
//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.md file in the project root for full license information.
//
// CPUMatrix.cpp : full implementation of all matrix functions on the CPU side
//
#include "GPURNGHandle.h"
#include "GPUMatrix.h"
namespace Microsoft { namespace MSR { namespace CNTK {
GPURNGHandle::GPURNGHandle(int deviceId, unsigned long seed)
: RNGHandle(deviceId)
{
unsigned long long cudaSeed = seed;
if (GetMathLibTraceLevel() > 0)
{
fprintf(stderr, "(GPU): creating curand object with seed %llu\n", cudaSeed);
}
CURAND_CALL(curandCreateGenerator(&m_generator, CURAND_RNG_PSEUDO_XORWOW));
CURAND_CALL(curandSetPseudoRandomGeneratorSeed(m_generator, cudaSeed));
CURAND_CALL(curandSetGeneratorOrdering(m_generator, CURAND_ORDERING_PSEUDO_SEEDED));
}
/*virtual*/ GPURNGHandle::~GPURNGHandle()
{
if (std::uncaught_exception())
curandDestroyGenerator(m_generator);
else
CURAND_CALL(curandDestroyGenerator(m_generator));
}
}}}